From 3e69104b0a3d969d59153d30dfeedfda7b876319 Mon Sep 17 00:00:00 2001 From: acterhd Date: Mon, 4 Jul 2016 19:37:50 +0800 Subject: [PATCH 1/2] trying to add HCG --- dist/less.js | 10839 ------------------------------------- dist/less.min.js | 17 - lib/less/tree/color.js | 8 + test/less/functions.less | 9 +- 4 files changed, 14 insertions(+), 10859 deletions(-) delete mode 100644 dist/less.js delete mode 100644 dist/less.min.js diff --git a/dist/less.js b/dist/less.js deleted file mode 100644 index 556e2b564..000000000 --- a/dist/less.js +++ /dev/null @@ -1,10839 +0,0 @@ -/*! - * Less - Leaner CSS v2.7.1 - * http://lesscss.org - * - * Copyright (c) 2009-2016, Alexis Sellier - * Licensed under the Apache-2.0 License. - * - */ - - /** * @license Apache-2.0 - */ - -(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.less = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 0) || - options.isFileProtocol ? 'development' - : 'production'); - - var dumpLineNumbers = /!dumpLineNumbers:(comments|mediaquery|all)/.exec(window.location.hash); - if (dumpLineNumbers) { - options.dumpLineNumbers = dumpLineNumbers[1]; - } - - if (options.useFileCache === undefined) { - options.useFileCache = true; - } - - if (options.onReady === undefined) { - options.onReady = true; - } - -}; - -},{"./browser":3,"./utils":10}],2:[function(require,module,exports){ -/** - * Kicks off less and compiles any stylesheets - * used in the browser distributed version of less - * to kick-start less using the browser api - */ -/*global window, document */ - -// shim Promise if required -require('promise/polyfill.js'); - -var options = window.less || {}; -require("./add-default-options")(window, options); - -var less = module.exports = require("./index")(window, options); - -window.less = less; - -var css, head, style; - -// Always restore page visibility -function resolveOrReject(data) { - if (data.filename) { - console.warn(data); - } - if (!options.async) { - head.removeChild(style); - } -} - -if (options.onReady) { - if (/!watch/.test(window.location.hash)) { - less.watch(); - } - // Simulate synchronous stylesheet loading by blocking page rendering - if (!options.async) { - css = 'body { display: none !important }'; - head = document.head || document.getElementsByTagName('head')[0]; - style = document.createElement('style'); - - style.type = 'text/css'; - if (style.styleSheet) { - style.styleSheet.cssText = css; - } else { - style.appendChild(document.createTextNode(css)); - } - - head.appendChild(style); - } - less.registerStylesheetsImmediately(); - less.pageLoadFinished = less.refresh(less.env === 'development').then(resolveOrReject, resolveOrReject); -} - -},{"./add-default-options":1,"./index":8,"promise/polyfill.js":97}],3:[function(require,module,exports){ -var utils = require("./utils"); -module.exports = { - createCSS: function (document, styles, sheet) { - // Strip the query-string - var href = sheet.href || ''; - - // If there is no title set, use the filename, minus the extension - var id = 'less:' + (sheet.title || utils.extractId(href)); - - // If this has already been inserted into the DOM, we may need to replace it - var oldStyleNode = document.getElementById(id); - var keepOldStyleNode = false; - - // Create a new stylesheet node for insertion or (if necessary) replacement - var styleNode = document.createElement('style'); - styleNode.setAttribute('type', 'text/css'); - if (sheet.media) { - styleNode.setAttribute('media', sheet.media); - } - styleNode.id = id; - - if (!styleNode.styleSheet) { - styleNode.appendChild(document.createTextNode(styles)); - - // If new contents match contents of oldStyleNode, don't replace oldStyleNode - keepOldStyleNode = (oldStyleNode !== null && oldStyleNode.childNodes.length > 0 && styleNode.childNodes.length > 0 && - oldStyleNode.firstChild.nodeValue === styleNode.firstChild.nodeValue); - } - - var head = document.getElementsByTagName('head')[0]; - - // If there is no oldStyleNode, just append; otherwise, only append if we need - // to replace oldStyleNode with an updated stylesheet - if (oldStyleNode === null || keepOldStyleNode === false) { - var nextEl = sheet && sheet.nextSibling || null; - if (nextEl) { - nextEl.parentNode.insertBefore(styleNode, nextEl); - } else { - head.appendChild(styleNode); - } - } - if (oldStyleNode && keepOldStyleNode === false) { - oldStyleNode.parentNode.removeChild(oldStyleNode); - } - - // For IE. - // This needs to happen *after* the style element is added to the DOM, otherwise IE 7 and 8 may crash. - // See http://social.msdn.microsoft.com/Forums/en-US/7e081b65-878a-4c22-8e68-c10d39c2ed32/internet-explorer-crashes-appending-style-element-to-head - if (styleNode.styleSheet) { - try { - styleNode.styleSheet.cssText = styles; - } catch (e) { - throw new Error("Couldn't reassign styleSheet.cssText."); - } - } - }, - currentScript: function(window) { - var document = window.document; - return document.currentScript || (function() { - var scripts = document.getElementsByTagName("script"); - return scripts[scripts.length - 1]; - })(); - } -}; - -},{"./utils":10}],4:[function(require,module,exports){ -// Cache system is a bit outdated and could do with work - -module.exports = function(window, options, logger) { - var cache = null; - if (options.env !== 'development') { - try { - cache = (typeof window.localStorage === 'undefined') ? null : window.localStorage; - } catch (_) {} - } - return { - setCSS: function(path, lastModified, modifyVars, styles) { - if (cache) { - logger.info('saving ' + path + ' to cache.'); - try { - cache.setItem(path, styles); - cache.setItem(path + ':timestamp', lastModified); - if (modifyVars) { - cache.setItem(path + ':vars', JSON.stringify(modifyVars)); - } - } catch(e) { - //TODO - could do with adding more robust error handling - logger.error('failed to save "' + path + '" to local storage for caching.'); - } - } - }, - getCSS: function(path, webInfo, modifyVars) { - var css = cache && cache.getItem(path), - timestamp = cache && cache.getItem(path + ':timestamp'), - vars = cache && cache.getItem(path + ':vars'); - - modifyVars = modifyVars || {}; - - if (timestamp && webInfo.lastModified && - (new Date(webInfo.lastModified).valueOf() === - new Date(timestamp).valueOf()) && - (!modifyVars && !vars || JSON.stringify(modifyVars) === vars)) { - // Use local copy - return css; - } - } - }; -}; - -},{}],5:[function(require,module,exports){ -var utils = require("./utils"), - browser = require("./browser"); - -module.exports = function(window, less, options) { - - function errorHTML(e, rootHref) { - var id = 'less-error-message:' + utils.extractId(rootHref || ""); - var template = '
  • {content}
    • '; - var elem = window.document.createElement('div'), timer, content, errors = []; - var filename = e.filename || rootHref; - var filenameNoPath = filename.match(/([^\/]+(\?.*)?)$/)[1]; - - elem.id = id; - elem.className = "less-error-message"; - - content = '

    ' + (e.type || "Syntax") + "Error: " + (e.message || 'There is an error in your .less file') + - '

    ' + '

    in ' + filenameNoPath + " "; - - var errorline = function (e, i, classname) { - if (e.extract[i] !== undefined) { - errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1)) - .replace(/\{class\}/, classname) - .replace(/\{content\}/, e.extract[i])); - } - }; - - if (e.extract) { - errorline(e, 0, ''); - errorline(e, 1, 'line'); - errorline(e, 2, ''); - content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':

    ' + - '
      ' + errors.join('') + '
    '; - } - if (e.stack && (e.extract || options.logLevel >= 4)) { - content += '
    Stack Trace
    ' + e.stack.split('\n').slice(1).join('
    '); - } - elem.innerHTML = content; - - // CSS for error messages - browser.createCSS(window.document, [ - '.less-error-message ul, .less-error-message li {', - 'list-style-type: none;', - 'margin-right: 15px;', - 'padding: 4px 0;', - 'margin: 0;', - '}', - '.less-error-message label {', - 'font-size: 12px;', - 'margin-right: 15px;', - 'padding: 4px 0;', - 'color: #cc7777;', - '}', - '.less-error-message pre {', - 'color: #dd6666;', - 'padding: 4px 0;', - 'margin: 0;', - 'display: inline-block;', - '}', - '.less-error-message pre.line {', - 'color: #ff0000;', - '}', - '.less-error-message h3 {', - 'font-size: 20px;', - 'font-weight: bold;', - 'padding: 15px 0 5px 0;', - 'margin: 0;', - '}', - '.less-error-message a {', - 'color: #10a', - '}', - '.less-error-message .error {', - 'color: red;', - 'font-weight: bold;', - 'padding-bottom: 2px;', - 'border-bottom: 1px dashed red;', - '}' - ].join('\n'), { title: 'error-message' }); - - elem.style.cssText = [ - "font-family: Arial, sans-serif", - "border: 1px solid #e00", - "background-color: #eee", - "border-radius: 5px", - "-webkit-border-radius: 5px", - "-moz-border-radius: 5px", - "color: #e00", - "padding: 15px", - "margin-bottom: 15px" - ].join(';'); - - if (options.env === 'development') { - timer = setInterval(function () { - var document = window.document, - body = document.body; - if (body) { - if (document.getElementById(id)) { - body.replaceChild(elem, document.getElementById(id)); - } else { - body.insertBefore(elem, body.firstChild); - } - clearInterval(timer); - } - }, 10); - } - } - - function removeErrorHTML(path) { - var node = window.document.getElementById('less-error-message:' + utils.extractId(path)); - if (node) { - node.parentNode.removeChild(node); - } - } - - function removeErrorConsole(path) { - //no action - } - - function removeError(path) { - if (!options.errorReporting || options.errorReporting === "html") { - removeErrorHTML(path); - } else if (options.errorReporting === "console") { - removeErrorConsole(path); - } else if (typeof options.errorReporting === 'function') { - options.errorReporting("remove", path); - } - } - - function errorConsole(e, rootHref) { - var template = '{line} {content}'; - var filename = e.filename || rootHref; - var errors = []; - var content = (e.type || "Syntax") + "Error: " + (e.message || 'There is an error in your .less file') + - " in " + filename + " "; - - var errorline = function (e, i, classname) { - if (e.extract[i] !== undefined) { - errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1)) - .replace(/\{class\}/, classname) - .replace(/\{content\}/, e.extract[i])); - } - }; - - if (e.extract) { - errorline(e, 0, ''); - errorline(e, 1, 'line'); - errorline(e, 2, ''); - content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':\n' + - errors.join('\n'); - } - if (e.stack && (e.extract || options.logLevel >= 4)) { - content += '\nStack Trace\n' + e.stack; - } - less.logger.error(content); - } - - function error(e, rootHref) { - if (!options.errorReporting || options.errorReporting === "html") { - errorHTML(e, rootHref); - } else if (options.errorReporting === "console") { - errorConsole(e, rootHref); - } else if (typeof options.errorReporting === 'function') { - options.errorReporting("add", e, rootHref); - } - } - - return { - add: error, - remove: removeError - }; -}; - -},{"./browser":3,"./utils":10}],6:[function(require,module,exports){ -/*global window, XMLHttpRequest */ - -module.exports = function(options, logger) { - - var AbstractFileManager = require("../less/environment/abstract-file-manager.js"); - - var fileCache = {}; - - //TODOS - move log somewhere. pathDiff and doing something similar in node. use pathDiff in the other browser file for the initial load - - function getXMLHttpRequest() { - if (window.XMLHttpRequest && (window.location.protocol !== "file:" || !("ActiveXObject" in window))) { - return new XMLHttpRequest(); - } else { - try { - /*global ActiveXObject */ - return new ActiveXObject("Microsoft.XMLHTTP"); - } catch (e) { - logger.error("browser doesn't support AJAX."); - return null; - } - } - } - - var FileManager = function() { - }; - - FileManager.prototype = new AbstractFileManager(); - - FileManager.prototype.alwaysMakePathsAbsolute = function alwaysMakePathsAbsolute() { - return true; - }; - FileManager.prototype.join = function join(basePath, laterPath) { - if (!basePath) { - return laterPath; - } - return this.extractUrlParts(laterPath, basePath).path; - }; - FileManager.prototype.doXHR = function doXHR(url, type, callback, errback) { - - var xhr = getXMLHttpRequest(); - var async = options.isFileProtocol ? options.fileAsync : true; - - if (typeof xhr.overrideMimeType === 'function') { - xhr.overrideMimeType('text/css'); - } - logger.debug("XHR: Getting '" + url + "'"); - xhr.open('GET', url, async); - xhr.setRequestHeader('Accept', type || 'text/x-less, text/css; q=0.9, */*; q=0.5'); - xhr.send(null); - - function handleResponse(xhr, callback, errback) { - if (xhr.status >= 200 && xhr.status < 300) { - callback(xhr.responseText, - xhr.getResponseHeader("Last-Modified")); - } else if (typeof errback === 'function') { - errback(xhr.status, url); - } - } - - if (options.isFileProtocol && !options.fileAsync) { - if (xhr.status === 0 || (xhr.status >= 200 && xhr.status < 300)) { - callback(xhr.responseText); - } else { - errback(xhr.status, url); - } - } else if (async) { - xhr.onreadystatechange = function () { - if (xhr.readyState == 4) { - handleResponse(xhr, callback, errback); - } - }; - } else { - handleResponse(xhr, callback, errback); - } - }; - FileManager.prototype.supports = function(filename, currentDirectory, options, environment) { - return true; - }; - - FileManager.prototype.clearFileCache = function() { - fileCache = {}; - }; - - FileManager.prototype.loadFile = function loadFile(filename, currentDirectory, options, environment, callback) { - if (currentDirectory && !this.isPathAbsolute(filename)) { - filename = currentDirectory + filename; - } - - options = options || {}; - - // sheet may be set to the stylesheet for the initial load or a collection of properties including - // some context variables for imports - var hrefParts = this.extractUrlParts(filename, window.location.href); - var href = hrefParts.url; - - if (options.useFileCache && fileCache[href]) { - try { - var lessText = fileCache[href]; - callback(null, { contents: lessText, filename: href, webInfo: { lastModified: new Date() }}); - } catch (e) { - callback({filename: href, message: "Error loading file " + href + " error was " + e.message}); - } - return; - } - - this.doXHR(href, options.mime, function doXHRCallback(data, lastModified) { - // per file cache - fileCache[href] = data; - - // Use remote copy (re-parse) - callback(null, { contents: data, filename: href, webInfo: { lastModified: lastModified }}); - }, function doXHRError(status, url) { - callback({ type: 'File', message: "'" + url + "' wasn't found (" + status + ")", href: href }); - }); - }; - - return FileManager; -}; - -},{"../less/environment/abstract-file-manager.js":15}],7:[function(require,module,exports){ -module.exports = function() { - - var functionRegistry = require("./../less/functions/function-registry"); - - function imageSize() { - throw { - type: "Runtime", - message: "Image size functions are not supported in browser version of less" - }; - } - - var imageFunctions = { - "image-size": function(filePathNode) { - imageSize(this, filePathNode); - return -1; - }, - "image-width": function(filePathNode) { - imageSize(this, filePathNode); - return -1; - }, - "image-height": function(filePathNode) { - imageSize(this, filePathNode); - return -1; - } - }; - - functionRegistry.addMultiple(imageFunctions); -}; - -},{"./../less/functions/function-registry":22}],8:[function(require,module,exports){ -// -// index.js -// Should expose the additional browser functions on to the less object -// -var addDataAttr = require("./utils").addDataAttr, - browser = require("./browser"); - -module.exports = function(window, options) { - var document = window.document; - var less = require('../less')(); - - //module.exports = less; - less.options = options; - var environment = less.environment, - FileManager = require("./file-manager")(options, less.logger), - fileManager = new FileManager(); - environment.addFileManager(fileManager); - less.FileManager = FileManager; - - require("./log-listener")(less, options); - var errors = require("./error-reporting")(window, less, options); - var cache = less.cache = options.cache || require("./cache")(window, options, less.logger); - require('./image-size')(less.environment); - - //Setup user functions - if (options.functions) { - less.functions.functionRegistry.addMultiple(options.functions); - } - - var typePattern = /^text\/(x-)?less$/; - - function postProcessCSS(styles) { // deprecated, use a plugin for postprocesstasks - if (options.postProcessor && typeof options.postProcessor === 'function') { - styles = options.postProcessor.call(styles, styles) || styles; - } - return styles; - } - - function clone(obj) { - var cloned = {}; - for (var prop in obj) { - if (obj.hasOwnProperty(prop)) { - cloned[prop] = obj[prop]; - } - } - return cloned; - } - - // only really needed for phantom - function bind(func, thisArg) { - var curryArgs = Array.prototype.slice.call(arguments, 2); - return function() { - var args = curryArgs.concat(Array.prototype.slice.call(arguments, 0)); - return func.apply(thisArg, args); - }; - } - - function loadStyles(modifyVars) { - var styles = document.getElementsByTagName('style'), - style; - - for (var i = 0; i < styles.length; i++) { - style = styles[i]; - if (style.type.match(typePattern)) { - var instanceOptions = clone(options); - instanceOptions.modifyVars = modifyVars; - var lessText = style.innerHTML || ''; - instanceOptions.filename = document.location.href.replace(/#.*$/, ''); - - /*jshint loopfunc:true */ - // use closure to store current style - less.render(lessText, instanceOptions, - bind(function(style, e, result) { - if (e) { - errors.add(e, "inline"); - } else { - style.type = 'text/css'; - if (style.styleSheet) { - style.styleSheet.cssText = result.css; - } else { - style.innerHTML = result.css; - } - } - }, null, style)); - } - } - } - - function loadStyleSheet(sheet, callback, reload, remaining, modifyVars) { - - var instanceOptions = clone(options); - addDataAttr(instanceOptions, sheet); - instanceOptions.mime = sheet.type; - - if (modifyVars) { - instanceOptions.modifyVars = modifyVars; - } - - function loadInitialFileCallback(loadedFile) { - - var data = loadedFile.contents, - path = loadedFile.filename, - webInfo = loadedFile.webInfo; - - var newFileInfo = { - currentDirectory: fileManager.getPath(path), - filename: path, - rootFilename: path, - relativeUrls: instanceOptions.relativeUrls}; - - newFileInfo.entryPath = newFileInfo.currentDirectory; - newFileInfo.rootpath = instanceOptions.rootpath || newFileInfo.currentDirectory; - - if (webInfo) { - webInfo.remaining = remaining; - - var css = cache.getCSS(path, webInfo, instanceOptions.modifyVars); - if (!reload && css) { - webInfo.local = true; - callback(null, css, data, sheet, webInfo, path); - return; - } - - } - - //TODO add tests around how this behaves when reloading - errors.remove(path); - - instanceOptions.rootFileInfo = newFileInfo; - less.render(data, instanceOptions, function(e, result) { - if (e) { - e.href = path; - callback(e); - } else { - result.css = postProcessCSS(result.css); - cache.setCSS(sheet.href, webInfo.lastModified, instanceOptions.modifyVars, result.css); - callback(null, result.css, data, sheet, webInfo, path); - } - }); - } - - fileManager.loadFile(sheet.href, null, instanceOptions, environment, function(e, loadedFile) { - if (e) { - callback(e); - return; - } - loadInitialFileCallback(loadedFile); - }); - } - - function loadStyleSheets(callback, reload, modifyVars) { - for (var i = 0; i < less.sheets.length; i++) { - loadStyleSheet(less.sheets[i], callback, reload, less.sheets.length - (i + 1), modifyVars); - } - } - - function initRunningMode() { - if (less.env === 'development') { - less.watchTimer = setInterval(function () { - if (less.watchMode) { - fileManager.clearFileCache(); - loadStyleSheets(function (e, css, _, sheet, webInfo) { - if (e) { - errors.add(e, e.href || sheet.href); - } else if (css) { - browser.createCSS(window.document, css, sheet); - } - }); - } - }, options.poll); - } - } - - // - // Watch mode - // - less.watch = function () { - if (!less.watchMode ) { - less.env = 'development'; - initRunningMode(); - } - this.watchMode = true; - return true; - }; - - less.unwatch = function () {clearInterval(less.watchTimer); this.watchMode = false; return false; }; - - // - // Synchronously get all tags with the 'rel' attribute set to - // "stylesheet/less". - // - less.registerStylesheetsImmediately = function() { - var links = document.getElementsByTagName('link'); - less.sheets = []; - - for (var i = 0; i < links.length; i++) { - if (links[i].rel === 'stylesheet/less' || (links[i].rel.match(/stylesheet/) && - (links[i].type.match(typePattern)))) { - less.sheets.push(links[i]); - } - } - }; - - // - // Asynchronously get all tags with the 'rel' attribute set to - // "stylesheet/less", returning a Promise. - // - less.registerStylesheets = function() { - return new Promise(function(resolve, reject) { - less.registerStylesheetsImmediately(); - resolve(); - }); - }; - - // - // With this function, it's possible to alter variables and re-render - // CSS without reloading less-files - // - less.modifyVars = function(record) { - return less.refresh(true, record, false); - }; - - less.refresh = function (reload, modifyVars, clearFileCache) { - if ((reload || clearFileCache) && clearFileCache !== false) { - fileManager.clearFileCache(); - } - return new Promise(function (resolve, reject) { - var startTime, endTime, totalMilliseconds, remainingSheets; - startTime = endTime = new Date(); - - // Set counter for remaining unprocessed sheets - remainingSheets = less.sheets.length; - - if (remainingSheets === 0) { - - endTime = new Date(); - totalMilliseconds = endTime - startTime; - less.logger.info("Less has finished and no sheets were loaded."); - resolve({ - startTime: startTime, - endTime: endTime, - totalMilliseconds: totalMilliseconds, - sheets: less.sheets.length - }); - - } else { - // Relies on less.sheets array, callback seems to be guaranteed to be called for every element of the array - loadStyleSheets(function (e, css, _, sheet, webInfo) { - if (e) { - errors.add(e, e.href || sheet.href); - reject(e); - return; - } - if (webInfo.local) { - less.logger.info("Loading " + sheet.href + " from cache."); - } else { - less.logger.info("Rendered " + sheet.href + " successfully."); - } - browser.createCSS(window.document, css, sheet); - less.logger.info("CSS for " + sheet.href + " generated in " + (new Date() - endTime) + 'ms'); - - // Count completed sheet - remainingSheets--; - - // Check if the last remaining sheet was processed and then call the promise - if (remainingSheets === 0) { - totalMilliseconds = new Date() - startTime; - less.logger.info("Less has finished. CSS generated in " + totalMilliseconds + 'ms'); - resolve({ - startTime: startTime, - endTime: endTime, - totalMilliseconds: totalMilliseconds, - sheets: less.sheets.length - }); - } - endTime = new Date(); - }, reload, modifyVars); - } - - loadStyles(modifyVars); - }); - }; - - less.refreshStyles = loadStyles; - return less; -}; - -},{"../less":31,"./browser":3,"./cache":4,"./error-reporting":5,"./file-manager":6,"./image-size":7,"./log-listener":9,"./utils":10}],9:[function(require,module,exports){ -module.exports = function(less, options) { - - var logLevel_debug = 4, - logLevel_info = 3, - logLevel_warn = 2, - logLevel_error = 1; - - // The amount of logging in the javascript console. - // 3 - Debug, information and errors - // 2 - Information and errors - // 1 - Errors - // 0 - None - // Defaults to 2 - options.logLevel = typeof options.logLevel !== 'undefined' ? options.logLevel : (options.env === 'development' ? logLevel_info : logLevel_error); - - if (!options.loggers) { - options.loggers = [{ - debug: function(msg) { - if (options.logLevel >= logLevel_debug) { - console.log(msg); - } - }, - info: function(msg) { - if (options.logLevel >= logLevel_info) { - console.log(msg); - } - }, - warn: function(msg) { - if (options.logLevel >= logLevel_warn) { - console.warn(msg); - } - }, - error: function(msg) { - if (options.logLevel >= logLevel_error) { - console.error(msg); - } - } - }]; - } - for (var i = 0; i < options.loggers.length; i++) { - less.logger.addListener(options.loggers[i]); - } -}; - -},{}],10:[function(require,module,exports){ -module.exports = { - extractId: function(href) { - return href.replace(/^[a-z-]+:\/+?[^\/]+/, '') // Remove protocol & domain - .replace(/[\?\&]livereload=\w+/, '') // Remove LiveReload cachebuster - .replace(/^\//, '') // Remove root / - .replace(/\.[a-zA-Z]+$/, '') // Remove simple extension - .replace(/[^\.\w-]+/g, '-') // Replace illegal characters - .replace(/\./g, ':'); // Replace dots with colons(for valid id) - }, - addDataAttr: function(options, tag) { - for (var opt in tag.dataset) { - if (tag.dataset.hasOwnProperty(opt)) { - if (opt === "env" || opt === "dumpLineNumbers" || opt === "rootpath" || opt === "errorReporting") { - options[opt] = tag.dataset[opt]; - } else { - try { - options[opt] = JSON.parse(tag.dataset[opt]); - } - catch(_) {} - } - } - } - } -}; - -},{}],11:[function(require,module,exports){ -var contexts = {}; -module.exports = contexts; - -var copyFromOriginal = function copyFromOriginal(original, destination, propertiesToCopy) { - if (!original) { return; } - - for (var i = 0; i < propertiesToCopy.length; i++) { - if (original.hasOwnProperty(propertiesToCopy[i])) { - destination[propertiesToCopy[i]] = original[propertiesToCopy[i]]; - } - } -}; - -/* - parse is used whilst parsing - */ -var parseCopyProperties = [ - // options - 'paths', // option - unmodified - paths to search for imports on - 'relativeUrls', // option - whether to adjust URL's to be relative - 'rootpath', // option - rootpath to append to URL's - 'strictImports', // option - - 'insecure', // option - whether to allow imports from insecure ssl hosts - 'dumpLineNumbers', // option - whether to dump line numbers - 'compress', // option - whether to compress - 'syncImport', // option - whether to import synchronously - 'chunkInput', // option - whether to chunk input. more performant but causes parse issues. - 'mime', // browser only - mime type for sheet import - 'useFileCache', // browser only - whether to use the per file session cache - // context - 'processImports', // option & context - whether to process imports. if false then imports will not be imported. - // Used by the import manager to stop multiple import visitors being created. - 'pluginManager' // Used as the plugin manager for the session -]; - -contexts.Parse = function(options) { - copyFromOriginal(options, this, parseCopyProperties); - - if (typeof this.paths === "string") { this.paths = [this.paths]; } -}; - -var evalCopyProperties = [ - 'paths', // additional include paths - 'compress', // whether to compress - 'ieCompat', // whether to enforce IE compatibility (IE8 data-uri) - 'strictMath', // whether math has to be within parenthesis - 'strictUnits', // whether units need to evaluate correctly - 'sourceMap', // whether to output a source map - 'importMultiple', // whether we are currently importing multiple copies - 'urlArgs', // whether to add args into url tokens - 'javascriptEnabled',// option - whether JavaScript is enabled. if undefined, defaults to true - 'pluginManager', // Used as the plugin manager for the session - 'importantScope' // used to bubble up !important statements - ]; - -contexts.Eval = function(options, frames) { - copyFromOriginal(options, this, evalCopyProperties); - - if (typeof this.paths === "string") { this.paths = [this.paths]; } - - this.frames = frames || []; - this.importantScope = this.importantScope || []; -}; - -contexts.Eval.prototype.inParenthesis = function () { - if (!this.parensStack) { - this.parensStack = []; - } - this.parensStack.push(true); -}; - -contexts.Eval.prototype.outOfParenthesis = function () { - this.parensStack.pop(); -}; - -contexts.Eval.prototype.isMathOn = function () { - return this.strictMath ? (this.parensStack && this.parensStack.length) : true; -}; - -contexts.Eval.prototype.isPathRelative = function (path) { - return !/^(?:[a-z-]+:|\/|#)/i.test(path); -}; - -contexts.Eval.prototype.normalizePath = function( path ) { - var - segments = path.split("/").reverse(), - segment; - - path = []; - while (segments.length !== 0 ) { - segment = segments.pop(); - switch( segment ) { - case ".": - break; - case "..": - if ((path.length === 0) || (path[path.length - 1] === "..")) { - path.push( segment ); - } else { - path.pop(); - } - break; - default: - path.push( segment ); - break; - } - } - - return path.join("/"); -}; - -//todo - do the same for the toCSS ? - -},{}],12:[function(require,module,exports){ -module.exports = { - 'aliceblue':'#f0f8ff', - 'antiquewhite':'#faebd7', - 'aqua':'#00ffff', - 'aquamarine':'#7fffd4', - 'azure':'#f0ffff', - 'beige':'#f5f5dc', - 'bisque':'#ffe4c4', - 'black':'#000000', - 'blanchedalmond':'#ffebcd', - 'blue':'#0000ff', - 'blueviolet':'#8a2be2', - 'brown':'#a52a2a', - 'burlywood':'#deb887', - 'cadetblue':'#5f9ea0', - 'chartreuse':'#7fff00', - 'chocolate':'#d2691e', - 'coral':'#ff7f50', - 'cornflowerblue':'#6495ed', - 'cornsilk':'#fff8dc', - 'crimson':'#dc143c', - 'cyan':'#00ffff', - 'darkblue':'#00008b', - 'darkcyan':'#008b8b', - 'darkgoldenrod':'#b8860b', - 'darkgray':'#a9a9a9', - 'darkgrey':'#a9a9a9', - 'darkgreen':'#006400', - 'darkkhaki':'#bdb76b', - 'darkmagenta':'#8b008b', - 'darkolivegreen':'#556b2f', - 'darkorange':'#ff8c00', - 'darkorchid':'#9932cc', - 'darkred':'#8b0000', - 'darksalmon':'#e9967a', - 'darkseagreen':'#8fbc8f', - 'darkslateblue':'#483d8b', - 'darkslategray':'#2f4f4f', - 'darkslategrey':'#2f4f4f', - 'darkturquoise':'#00ced1', - 'darkviolet':'#9400d3', - 'deeppink':'#ff1493', - 'deepskyblue':'#00bfff', - 'dimgray':'#696969', - 'dimgrey':'#696969', - 'dodgerblue':'#1e90ff', - 'firebrick':'#b22222', - 'floralwhite':'#fffaf0', - 'forestgreen':'#228b22', - 'fuchsia':'#ff00ff', - 'gainsboro':'#dcdcdc', - 'ghostwhite':'#f8f8ff', - 'gold':'#ffd700', - 'goldenrod':'#daa520', - 'gray':'#808080', - 'grey':'#808080', - 'green':'#008000', - 'greenyellow':'#adff2f', - 'honeydew':'#f0fff0', - 'hotpink':'#ff69b4', - 'indianred':'#cd5c5c', - 'indigo':'#4b0082', - 'ivory':'#fffff0', - 'khaki':'#f0e68c', - 'lavender':'#e6e6fa', - 'lavenderblush':'#fff0f5', - 'lawngreen':'#7cfc00', - 'lemonchiffon':'#fffacd', - 'lightblue':'#add8e6', - 'lightcoral':'#f08080', - 'lightcyan':'#e0ffff', - 'lightgoldenrodyellow':'#fafad2', - 'lightgray':'#d3d3d3', - 'lightgrey':'#d3d3d3', - 'lightgreen':'#90ee90', - 'lightpink':'#ffb6c1', - 'lightsalmon':'#ffa07a', - 'lightseagreen':'#20b2aa', - 'lightskyblue':'#87cefa', - 'lightslategray':'#778899', - 'lightslategrey':'#778899', - 'lightsteelblue':'#b0c4de', - 'lightyellow':'#ffffe0', - 'lime':'#00ff00', - 'limegreen':'#32cd32', - 'linen':'#faf0e6', - 'magenta':'#ff00ff', - 'maroon':'#800000', - 'mediumaquamarine':'#66cdaa', - 'mediumblue':'#0000cd', - 'mediumorchid':'#ba55d3', - 'mediumpurple':'#9370d8', - 'mediumseagreen':'#3cb371', - 'mediumslateblue':'#7b68ee', - 'mediumspringgreen':'#00fa9a', - 'mediumturquoise':'#48d1cc', - 'mediumvioletred':'#c71585', - 'midnightblue':'#191970', - 'mintcream':'#f5fffa', - 'mistyrose':'#ffe4e1', - 'moccasin':'#ffe4b5', - 'navajowhite':'#ffdead', - 'navy':'#000080', - 'oldlace':'#fdf5e6', - 'olive':'#808000', - 'olivedrab':'#6b8e23', - 'orange':'#ffa500', - 'orangered':'#ff4500', - 'orchid':'#da70d6', - 'palegoldenrod':'#eee8aa', - 'palegreen':'#98fb98', - 'paleturquoise':'#afeeee', - 'palevioletred':'#d87093', - 'papayawhip':'#ffefd5', - 'peachpuff':'#ffdab9', - 'peru':'#cd853f', - 'pink':'#ffc0cb', - 'plum':'#dda0dd', - 'powderblue':'#b0e0e6', - 'purple':'#800080', - 'rebeccapurple':'#663399', - 'red':'#ff0000', - 'rosybrown':'#bc8f8f', - 'royalblue':'#4169e1', - 'saddlebrown':'#8b4513', - 'salmon':'#fa8072', - 'sandybrown':'#f4a460', - 'seagreen':'#2e8b57', - 'seashell':'#fff5ee', - 'sienna':'#a0522d', - 'silver':'#c0c0c0', - 'skyblue':'#87ceeb', - 'slateblue':'#6a5acd', - 'slategray':'#708090', - 'slategrey':'#708090', - 'snow':'#fffafa', - 'springgreen':'#00ff7f', - 'steelblue':'#4682b4', - 'tan':'#d2b48c', - 'teal':'#008080', - 'thistle':'#d8bfd8', - 'tomato':'#ff6347', - 'turquoise':'#40e0d0', - 'violet':'#ee82ee', - 'wheat':'#f5deb3', - 'white':'#ffffff', - 'whitesmoke':'#f5f5f5', - 'yellow':'#ffff00', - 'yellowgreen':'#9acd32' -}; -},{}],13:[function(require,module,exports){ -module.exports = { - colors: require("./colors"), - unitConversions: require("./unit-conversions") -}; - -},{"./colors":12,"./unit-conversions":14}],14:[function(require,module,exports){ -module.exports = { - length: { - 'm': 1, - 'cm': 0.01, - 'mm': 0.001, - 'in': 0.0254, - 'px': 0.0254 / 96, - 'pt': 0.0254 / 72, - 'pc': 0.0254 / 72 * 12 - }, - duration: { - 's': 1, - 'ms': 0.001 - }, - angle: { - 'rad': 1 / (2 * Math.PI), - 'deg': 1 / 360, - 'grad': 1 / 400, - 'turn': 1 - } -}; -},{}],15:[function(require,module,exports){ -var abstractFileManager = function() { -}; - -abstractFileManager.prototype.getPath = function (filename) { - var j = filename.lastIndexOf('?'); - if (j > 0) { - filename = filename.slice(0, j); - } - j = filename.lastIndexOf('/'); - if (j < 0) { - j = filename.lastIndexOf('\\'); - } - if (j < 0) { - return ""; - } - return filename.slice(0, j + 1); -}; - -abstractFileManager.prototype.tryAppendExtension = function(path, ext) { - return /(\.[a-z]*$)|([\?;].*)$/.test(path) ? path : path + ext; -}; - -abstractFileManager.prototype.tryAppendLessExtension = function(path) { - return this.tryAppendExtension(path, '.less'); -}; - -abstractFileManager.prototype.supportsSync = function() { - return false; -}; - -abstractFileManager.prototype.alwaysMakePathsAbsolute = function() { - return false; -}; - -abstractFileManager.prototype.isPathAbsolute = function(filename) { - return (/^(?:[a-z-]+:|\/|\\|#)/i).test(filename); -}; - -abstractFileManager.prototype.join = function(basePath, laterPath) { - if (!basePath) { - return laterPath; - } - return basePath + laterPath; -}; -abstractFileManager.prototype.pathDiff = function pathDiff(url, baseUrl) { - // diff between two paths to create a relative path - - var urlParts = this.extractUrlParts(url), - baseUrlParts = this.extractUrlParts(baseUrl), - i, max, urlDirectories, baseUrlDirectories, diff = ""; - if (urlParts.hostPart !== baseUrlParts.hostPart) { - return ""; - } - max = Math.max(baseUrlParts.directories.length, urlParts.directories.length); - for (i = 0; i < max; i++) { - if (baseUrlParts.directories[i] !== urlParts.directories[i]) { break; } - } - baseUrlDirectories = baseUrlParts.directories.slice(i); - urlDirectories = urlParts.directories.slice(i); - for (i = 0; i < baseUrlDirectories.length - 1; i++) { - diff += "../"; - } - for (i = 0; i < urlDirectories.length - 1; i++) { - diff += urlDirectories[i] + "/"; - } - return diff; -}; -// helper function, not part of API -abstractFileManager.prototype.extractUrlParts = function extractUrlParts(url, baseUrl) { - // urlParts[1] = protocol://hostname/ OR / - // urlParts[2] = / if path relative to host base - // urlParts[3] = directories - // urlParts[4] = filename - // urlParts[5] = parameters - - var urlPartsRegex = /^((?:[a-z-]+:)?\/{2}(?:[^\/\?#]*\/)|([\/\\]))?((?:[^\/\\\?#]*[\/\\])*)([^\/\\\?#]*)([#\?].*)?$/i, - urlParts = url.match(urlPartsRegex), - returner = {}, directories = [], i, baseUrlParts; - - if (!urlParts) { - throw new Error("Could not parse sheet href - '" + url + "'"); - } - - // Stylesheets in IE don't always return the full path - if (baseUrl && (!urlParts[1] || urlParts[2])) { - baseUrlParts = baseUrl.match(urlPartsRegex); - if (!baseUrlParts) { - throw new Error("Could not parse page url - '" + baseUrl + "'"); - } - urlParts[1] = urlParts[1] || baseUrlParts[1] || ""; - if (!urlParts[2]) { - urlParts[3] = baseUrlParts[3] + urlParts[3]; - } - } - - if (urlParts[3]) { - directories = urlParts[3].replace(/\\/g, "/").split("/"); - - // extract out . before .. so .. doesn't absorb a non-directory - for (i = 0; i < directories.length; i++) { - if (directories[i] === ".") { - directories.splice(i, 1); - i -= 1; - } - } - - for (i = 0; i < directories.length; i++) { - if (directories[i] === ".." && i > 0) { - directories.splice(i - 1, 2); - i -= 2; - } - } - } - - returner.hostPart = urlParts[1]; - returner.directories = directories; - returner.path = (urlParts[1] || "") + directories.join("/"); - returner.fileUrl = returner.path + (urlParts[4] || ""); - returner.url = returner.fileUrl + (urlParts[5] || ""); - return returner; -}; - -module.exports = abstractFileManager; - -},{}],16:[function(require,module,exports){ -var logger = require("../logger"); -var environment = function(externalEnvironment, fileManagers) { - this.fileManagers = fileManagers || []; - externalEnvironment = externalEnvironment || {}; - - var optionalFunctions = ["encodeBase64", "mimeLookup", "charsetLookup", "getSourceMapGenerator"], - requiredFunctions = [], - functions = requiredFunctions.concat(optionalFunctions); - - for (var i = 0; i < functions.length; i++) { - var propName = functions[i], - environmentFunc = externalEnvironment[propName]; - if (environmentFunc) { - this[propName] = environmentFunc.bind(externalEnvironment); - } else if (i < requiredFunctions.length) { - this.warn("missing required function in environment - " + propName); - } - } -}; - -environment.prototype.getFileManager = function (filename, currentDirectory, options, environment, isSync) { - - if (!filename) { - logger.warn("getFileManager called with no filename.. Please report this issue. continuing."); - } - if (currentDirectory == null) { - logger.warn("getFileManager called with null directory.. Please report this issue. continuing."); - } - - var fileManagers = this.fileManagers; - if (options.pluginManager) { - fileManagers = [].concat(fileManagers).concat(options.pluginManager.getFileManagers()); - } - for (var i = fileManagers.length - 1; i >= 0 ; i--) { - var fileManager = fileManagers[i]; - if (fileManager[isSync ? "supportsSync" : "supports"](filename, currentDirectory, options, environment)) { - return fileManager; - } - } - return null; -}; - -environment.prototype.addFileManager = function (fileManager) { - this.fileManagers.push(fileManager); -}; - -environment.prototype.clearFileManagers = function () { - this.fileManagers = []; -}; - -module.exports = environment; - -},{"../logger":33}],17:[function(require,module,exports){ -var Color = require("../tree/color"), - functionRegistry = require("./function-registry"); - -// Color Blending -// ref: http://www.w3.org/TR/compositing-1 - -function colorBlend(mode, color1, color2) { - var ab = color1.alpha, cb, // backdrop - as = color2.alpha, cs, // source - ar, cr, r = []; // result - - ar = as + ab * (1 - as); - for (var i = 0; i < 3; i++) { - cb = color1.rgb[i] / 255; - cs = color2.rgb[i] / 255; - cr = mode(cb, cs); - if (ar) { - cr = (as * cs + ab * (cb - - as * (cb + cs - cr))) / ar; - } - r[i] = cr * 255; - } - - return new Color(r, ar); -} - -var colorBlendModeFunctions = { - multiply: function(cb, cs) { - return cb * cs; - }, - screen: function(cb, cs) { - return cb + cs - cb * cs; - }, - overlay: function(cb, cs) { - cb *= 2; - return (cb <= 1) ? - colorBlendModeFunctions.multiply(cb, cs) : - colorBlendModeFunctions.screen(cb - 1, cs); - }, - softlight: function(cb, cs) { - var d = 1, e = cb; - if (cs > 0.5) { - e = 1; - d = (cb > 0.25) ? Math.sqrt(cb) - : ((16 * cb - 12) * cb + 4) * cb; - } - return cb - (1 - 2 * cs) * e * (d - cb); - }, - hardlight: function(cb, cs) { - return colorBlendModeFunctions.overlay(cs, cb); - }, - difference: function(cb, cs) { - return Math.abs(cb - cs); - }, - exclusion: function(cb, cs) { - return cb + cs - 2 * cb * cs; - }, - - // non-w3c functions: - average: function(cb, cs) { - return (cb + cs) / 2; - }, - negation: function(cb, cs) { - return 1 - Math.abs(cb + cs - 1); - } -}; - -for (var f in colorBlendModeFunctions) { - if (colorBlendModeFunctions.hasOwnProperty(f)) { - colorBlend[f] = colorBlend.bind(null, colorBlendModeFunctions[f]); - } -} - -functionRegistry.addMultiple(colorBlend); - -},{"../tree/color":50,"./function-registry":22}],18:[function(require,module,exports){ -var Dimension = require("../tree/dimension"), - Color = require("../tree/color"), - Quoted = require("../tree/quoted"), - Anonymous = require("../tree/anonymous"), - functionRegistry = require("./function-registry"), - colorFunctions; - -function clamp(val) { - return Math.min(1, Math.max(0, val)); -} -function hsla(color) { - return colorFunctions.hsla(color.h, color.s, color.l, color.a); -} -function number(n) { - if (n instanceof Dimension) { - return parseFloat(n.unit.is('%') ? n.value / 100 : n.value); - } else if (typeof n === 'number') { - return n; - } else { - throw { - type: "Argument", - message: "color functions take numbers as parameters" - }; - } -} -function scaled(n, size) { - if (n instanceof Dimension && n.unit.is('%')) { - return parseFloat(n.value * size / 100); - } else { - return number(n); - } -} -colorFunctions = { - rgb: function (r, g, b) { - return colorFunctions.rgba(r, g, b, 1.0); - }, - rgba: function (r, g, b, a) { - var rgb = [r, g, b].map(function (c) { return scaled(c, 255); }); - a = number(a); - return new Color(rgb, a); - }, - hsl: function (h, s, l) { - return colorFunctions.hsla(h, s, l, 1.0); - }, - hsla: function (h, s, l, a) { - - var m1, m2; - - function hue(h) { - h = h < 0 ? h + 1 : (h > 1 ? h - 1 : h); - if (h * 6 < 1) { - return m1 + (m2 - m1) * h * 6; - } - else if (h * 2 < 1) { - return m2; - } - else if (h * 3 < 2) { - return m1 + (m2 - m1) * (2 / 3 - h) * 6; - } - else { - return m1; - } - } - - h = (number(h) % 360) / 360; - s = clamp(number(s)); l = clamp(number(l)); a = clamp(number(a)); - - m2 = l <= 0.5 ? l * (s + 1) : l + s - l * s; - m1 = l * 2 - m2; - - return colorFunctions.rgba(hue(h + 1 / 3) * 255, - hue(h) * 255, - hue(h - 1 / 3) * 255, - a); - }, - - hsv: function(h, s, v) { - return colorFunctions.hsva(h, s, v, 1.0); - }, - - hsva: function(h, s, v, a) { - h = ((number(h) % 360) / 360) * 360; - s = number(s); v = number(v); a = number(a); - - var i, f; - i = Math.floor((h / 60) % 6); - f = (h / 60) - i; - - var vs = [v, - v * (1 - s), - v * (1 - f * s), - v * (1 - (1 - f) * s)]; - var perm = [[0, 3, 1], - [2, 0, 1], - [1, 0, 3], - [1, 2, 0], - [3, 1, 0], - [0, 1, 2]]; - - return colorFunctions.rgba(vs[perm[i][0]] * 255, - vs[perm[i][1]] * 255, - vs[perm[i][2]] * 255, - a); - }, - - hue: function (color) { - return new Dimension(color.toHSL().h); - }, - saturation: function (color) { - return new Dimension(color.toHSL().s * 100, '%'); - }, - lightness: function (color) { - return new Dimension(color.toHSL().l * 100, '%'); - }, - hsvhue: function(color) { - return new Dimension(color.toHSV().h); - }, - hsvsaturation: function (color) { - return new Dimension(color.toHSV().s * 100, '%'); - }, - hsvvalue: function (color) { - return new Dimension(color.toHSV().v * 100, '%'); - }, - red: function (color) { - return new Dimension(color.rgb[0]); - }, - green: function (color) { - return new Dimension(color.rgb[1]); - }, - blue: function (color) { - return new Dimension(color.rgb[2]); - }, - alpha: function (color) { - return new Dimension(color.toHSL().a); - }, - luma: function (color) { - return new Dimension(color.luma() * color.alpha * 100, '%'); - }, - luminance: function (color) { - var luminance = - (0.2126 * color.rgb[0] / 255) + - (0.7152 * color.rgb[1] / 255) + - (0.0722 * color.rgb[2] / 255); - - return new Dimension(luminance * color.alpha * 100, '%'); - }, - saturate: function (color, amount, method) { - // filter: saturate(3.2); - // should be kept as is, so check for color - if (!color.rgb) { - return null; - } - var hsl = color.toHSL(); - - if (typeof method !== "undefined" && method.value === "relative") { - hsl.s += hsl.s * amount.value / 100; - } - else { - hsl.s += amount.value / 100; - } - hsl.s = clamp(hsl.s); - return hsla(hsl); - }, - desaturate: function (color, amount, method) { - var hsl = color.toHSL(); - - if (typeof method !== "undefined" && method.value === "relative") { - hsl.s -= hsl.s * amount.value / 100; - } - else { - hsl.s -= amount.value / 100; - } - hsl.s = clamp(hsl.s); - return hsla(hsl); - }, - lighten: function (color, amount, method) { - var hsl = color.toHSL(); - - if (typeof method !== "undefined" && method.value === "relative") { - hsl.l += hsl.l * amount.value / 100; - } - else { - hsl.l += amount.value / 100; - } - hsl.l = clamp(hsl.l); - return hsla(hsl); - }, - darken: function (color, amount, method) { - var hsl = color.toHSL(); - - if (typeof method !== "undefined" && method.value === "relative") { - hsl.l -= hsl.l * amount.value / 100; - } - else { - hsl.l -= amount.value / 100; - } - hsl.l = clamp(hsl.l); - return hsla(hsl); - }, - fadein: function (color, amount, method) { - var hsl = color.toHSL(); - - if (typeof method !== "undefined" && method.value === "relative") { - hsl.a += hsl.a * amount.value / 100; - } - else { - hsl.a += amount.value / 100; - } - hsl.a = clamp(hsl.a); - return hsla(hsl); - }, - fadeout: function (color, amount, method) { - var hsl = color.toHSL(); - - if (typeof method !== "undefined" && method.value === "relative") { - hsl.a -= hsl.a * amount.value / 100; - } - else { - hsl.a -= amount.value / 100; - } - hsl.a = clamp(hsl.a); - return hsla(hsl); - }, - fade: function (color, amount) { - var hsl = color.toHSL(); - - hsl.a = amount.value / 100; - hsl.a = clamp(hsl.a); - return hsla(hsl); - }, - spin: function (color, amount) { - var hsl = color.toHSL(); - var hue = (hsl.h + amount.value) % 360; - - hsl.h = hue < 0 ? 360 + hue : hue; - - return hsla(hsl); - }, - // - // Copyright (c) 2006-2009 Hampton Catlin, Natalie Weizenbaum, and Chris Eppstein - // http://sass-lang.com - // - mix: function (color1, color2, weight) { - if (!color1.toHSL || !color2.toHSL) { - console.log(color2.type); - console.dir(color2); - } - if (!weight) { - weight = new Dimension(50); - } - var p = weight.value / 100.0; - var w = p * 2 - 1; - var a = color1.toHSL().a - color2.toHSL().a; - - var w1 = (((w * a == -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - var w2 = 1 - w1; - - var rgb = [color1.rgb[0] * w1 + color2.rgb[0] * w2, - color1.rgb[1] * w1 + color2.rgb[1] * w2, - color1.rgb[2] * w1 + color2.rgb[2] * w2]; - - var alpha = color1.alpha * p + color2.alpha * (1 - p); - - return new Color(rgb, alpha); - }, - greyscale: function (color) { - return colorFunctions.desaturate(color, new Dimension(100)); - }, - contrast: function (color, color1, color2, threshold) { - // Return which of `color1` and `color2` has the greatest contrast with `color` - // according to the standard WCAG contrast ratio calculation. - // http://www.w3.org/TR/WCAG20/#contrast-ratiodef - // The threshold param is no longer used, in line with SASS. - // filter: contrast(3.2); - // should be kept as is, so check for color - if (!color.rgb) { - return null; - } - if (typeof color1 === 'undefined') { - color1 = colorFunctions.rgba(0, 0, 0, 1.0); - } - if (typeof color2 === 'undefined') { - color2 = colorFunctions.rgba(255, 255, 255, 1.0); - } - var contrast1, contrast2; - var luma = color.luma(); - var luma1 = color1.luma(); - var luma2 = color2.luma(); - // Calculate contrast ratios for each color - if (luma > luma1) { - contrast1 = (luma + 0.05) / (luma1 + 0.05); - } else { - contrast1 = (luma1 + 0.05) / (luma + 0.05); - } - if (luma > luma2) { - contrast2 = (luma + 0.05) / (luma2 + 0.05); - } else { - contrast2 = (luma2 + 0.05) / (luma + 0.05); - } - if (contrast1 > contrast2) { - return color1; - } else { - return color2; - } - }, - argb: function (color) { - return new Anonymous(color.toARGB()); - }, - color: function(c) { - if ((c instanceof Quoted) && - (/^#([a-f0-9]{6}|[a-f0-9]{3})$/i.test(c.value))) { - return new Color(c.value.slice(1)); - } - if ((c instanceof Color) || (c = Color.fromKeyword(c.value))) { - c.value = undefined; - return c; - } - throw { - type: "Argument", - message: "argument must be a color keyword or 3/6 digit hex e.g. #FFF" - }; - }, - tint: function(color, amount) { - return colorFunctions.mix(colorFunctions.rgb(255, 255, 255), color, amount); - }, - shade: function(color, amount) { - return colorFunctions.mix(colorFunctions.rgb(0, 0, 0), color, amount); - } -}; -functionRegistry.addMultiple(colorFunctions); - -},{"../tree/anonymous":46,"../tree/color":50,"../tree/dimension":56,"../tree/quoted":73,"./function-registry":22}],19:[function(require,module,exports){ -module.exports = function(environment) { - var Quoted = require("../tree/quoted"), - URL = require("../tree/url"), - functionRegistry = require("./function-registry"), - fallback = function(functionThis, node) { - return new URL(node, functionThis.index, functionThis.currentFileInfo).eval(functionThis.context); - }, - logger = require('../logger'); - - functionRegistry.add("data-uri", function(mimetypeNode, filePathNode) { - - if (!filePathNode) { - filePathNode = mimetypeNode; - mimetypeNode = null; - } - - var mimetype = mimetypeNode && mimetypeNode.value; - var filePath = filePathNode.value; - var currentFileInfo = this.currentFileInfo; - var currentDirectory = currentFileInfo.relativeUrls ? - currentFileInfo.currentDirectory : currentFileInfo.entryPath; - - var fragmentStart = filePath.indexOf('#'); - var fragment = ''; - if (fragmentStart !== -1) { - fragment = filePath.slice(fragmentStart); - filePath = filePath.slice(0, fragmentStart); - } - - var fileManager = environment.getFileManager(filePath, currentDirectory, this.context, environment, true); - - if (!fileManager) { - return fallback(this, filePathNode); - } - - var useBase64 = false; - - // detect the mimetype if not given - if (!mimetypeNode) { - - mimetype = environment.mimeLookup(filePath); - - if (mimetype === "image/svg+xml") { - useBase64 = false; - } else { - // use base 64 unless it's an ASCII or UTF-8 format - var charset = environment.charsetLookup(mimetype); - useBase64 = ['US-ASCII', 'UTF-8'].indexOf(charset) < 0; - } - if (useBase64) { mimetype += ';base64'; } - } - else { - useBase64 = /;base64$/.test(mimetype); - } - - var fileSync = fileManager.loadFileSync(filePath, currentDirectory, this.context, environment); - if (!fileSync.contents) { - logger.warn("Skipped data-uri embedding of " + filePath + " because file not found"); - return fallback(this, filePathNode || mimetypeNode); - } - var buf = fileSync.contents; - if (useBase64 && !environment.encodeBase64) { - return fallback(this, filePathNode); - } - - buf = useBase64 ? environment.encodeBase64(buf) : encodeURIComponent(buf); - - var uri = "data:" + mimetype + ',' + buf + fragment; - - // IE8 cannot handle a data-uri larger than 32,768 characters. If this is exceeded - // and the --ieCompat flag is enabled, return a normal url() instead. - var DATA_URI_MAX = 32768; - if (uri.length >= DATA_URI_MAX) { - - if (this.context.ieCompat !== false) { - logger.warn("Skipped data-uri embedding of " + filePath + " because its size (" + uri.length + - " characters) exceeds IE8-safe " + DATA_URI_MAX + " characters!"); - - return fallback(this, filePathNode || mimetypeNode); - } - } - - return new URL(new Quoted('"' + uri + '"', uri, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo); - }); -}; - -},{"../logger":33,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],20:[function(require,module,exports){ -var Keyword = require("../tree/keyword"), - functionRegistry = require("./function-registry"); - -var defaultFunc = { - eval: function () { - var v = this.value_, e = this.error_; - if (e) { - throw e; - } - if (v != null) { - return v ? Keyword.True : Keyword.False; - } - }, - value: function (v) { - this.value_ = v; - }, - error: function (e) { - this.error_ = e; - }, - reset: function () { - this.value_ = this.error_ = null; - } -}; - -functionRegistry.add("default", defaultFunc.eval.bind(defaultFunc)); - -module.exports = defaultFunc; - -},{"../tree/keyword":65,"./function-registry":22}],21:[function(require,module,exports){ -var Expression = require("../tree/expression"); - -var functionCaller = function(name, context, index, currentFileInfo) { - this.name = name.toLowerCase(); - this.index = index; - this.context = context; - this.currentFileInfo = currentFileInfo; - - this.func = context.frames[0].functionRegistry.get(this.name); -}; -functionCaller.prototype.isValid = function() { - return Boolean(this.func); -}; -functionCaller.prototype.call = function(args) { - - // This code is terrible and should be replaced as per this issue... - // https://github.com/less/less.js/issues/2477 - if (Array.isArray(args)) { - args = args.filter(function (item) { - if (item.type === "Comment") { - return false; - } - return true; - }) - .map(function(item) { - if (item.type === "Expression") { - var subNodes = item.value.filter(function (item) { - if (item.type === "Comment") { - return false; - } - return true; - }); - if (subNodes.length === 1) { - return subNodes[0]; - } else { - return new Expression(subNodes); - } - } - return item; - }); - } - - return this.func.apply(this, args); -}; - -module.exports = functionCaller; - -},{"../tree/expression":59}],22:[function(require,module,exports){ -function makeRegistry( base ) { - return { - _data: {}, - add: function(name, func) { - // precautionary case conversion, as later querying of - // the registry by function-caller uses lower case as well. - name = name.toLowerCase(); - - if (this._data.hasOwnProperty(name)) { - //TODO warn - } - this._data[name] = func; - }, - addMultiple: function(functions) { - Object.keys(functions).forEach( - function(name) { - this.add(name, functions[name]); - }.bind(this)); - }, - get: function(name) { - return this._data[name] || ( base && base.get( name )); - }, - inherit : function() { - return makeRegistry( this ); - } - }; -} - -module.exports = makeRegistry( null ); -},{}],23:[function(require,module,exports){ -module.exports = function(environment) { - var functions = { - functionRegistry: require("./function-registry"), - functionCaller: require("./function-caller") - }; - - //register functions - require("./default"); - require("./color"); - require("./color-blending"); - require("./data-uri")(environment); - require("./math"); - require("./number"); - require("./string"); - require("./svg")(environment); - require("./types"); - - return functions; -}; - -},{"./color":18,"./color-blending":17,"./data-uri":19,"./default":20,"./function-caller":21,"./function-registry":22,"./math":25,"./number":26,"./string":27,"./svg":28,"./types":29}],24:[function(require,module,exports){ -var Dimension = require("../tree/dimension"); - -var MathHelper = function() { -}; -MathHelper._math = function (fn, unit, n) { - if (!(n instanceof Dimension)) { - throw { type: "Argument", message: "argument must be a number" }; - } - if (unit == null) { - unit = n.unit; - } else { - n = n.unify(); - } - return new Dimension(fn(parseFloat(n.value)), unit); -}; -module.exports = MathHelper; -},{"../tree/dimension":56}],25:[function(require,module,exports){ -var functionRegistry = require("./function-registry"), - mathHelper = require("./math-helper.js"); - -var mathFunctions = { - // name, unit - ceil: null, - floor: null, - sqrt: null, - abs: null, - tan: "", - sin: "", - cos: "", - atan: "rad", - asin: "rad", - acos: "rad" -}; - -for (var f in mathFunctions) { - if (mathFunctions.hasOwnProperty(f)) { - mathFunctions[f] = mathHelper._math.bind(null, Math[f], mathFunctions[f]); - } -} - -mathFunctions.round = function (n, f) { - var fraction = typeof f === "undefined" ? 0 : f.value; - return mathHelper._math(function(num) { return num.toFixed(fraction); }, null, n); -}; - -functionRegistry.addMultiple(mathFunctions); - -},{"./function-registry":22,"./math-helper.js":24}],26:[function(require,module,exports){ -var Dimension = require("../tree/dimension"), - Anonymous = require("../tree/anonymous"), - functionRegistry = require("./function-registry"), - mathHelper = require("./math-helper.js"); - -var minMax = function (isMin, args) { - args = Array.prototype.slice.call(args); - switch(args.length) { - case 0: throw { type: "Argument", message: "one or more arguments required" }; - } - var i, j, current, currentUnified, referenceUnified, unit, unitStatic, unitClone, - order = [], // elems only contains original argument values. - values = {}; // key is the unit.toString() for unified Dimension values, - // value is the index into the order array. - for (i = 0; i < args.length; i++) { - current = args[i]; - if (!(current instanceof Dimension)) { - if (Array.isArray(args[i].value)) { - Array.prototype.push.apply(args, Array.prototype.slice.call(args[i].value)); - } - continue; - } - currentUnified = current.unit.toString() === "" && unitClone !== undefined ? new Dimension(current.value, unitClone).unify() : current.unify(); - unit = currentUnified.unit.toString() === "" && unitStatic !== undefined ? unitStatic : currentUnified.unit.toString(); - unitStatic = unit !== "" && unitStatic === undefined || unit !== "" && order[0].unify().unit.toString() === "" ? unit : unitStatic; - unitClone = unit !== "" && unitClone === undefined ? current.unit.toString() : unitClone; - j = values[""] !== undefined && unit !== "" && unit === unitStatic ? values[""] : values[unit]; - if (j === undefined) { - if (unitStatic !== undefined && unit !== unitStatic) { - throw{ type: "Argument", message: "incompatible types" }; - } - values[unit] = order.length; - order.push(current); - continue; - } - referenceUnified = order[j].unit.toString() === "" && unitClone !== undefined ? new Dimension(order[j].value, unitClone).unify() : order[j].unify(); - if ( isMin && currentUnified.value < referenceUnified.value || - !isMin && currentUnified.value > referenceUnified.value) { - order[j] = current; - } - } - if (order.length == 1) { - return order[0]; - } - args = order.map(function (a) { return a.toCSS(this.context); }).join(this.context.compress ? "," : ", "); - return new Anonymous((isMin ? "min" : "max") + "(" + args + ")"); -}; -functionRegistry.addMultiple({ - min: function () { - return minMax(true, arguments); - }, - max: function () { - return minMax(false, arguments); - }, - convert: function (val, unit) { - return val.convertTo(unit.value); - }, - pi: function () { - return new Dimension(Math.PI); - }, - mod: function(a, b) { - return new Dimension(a.value % b.value, a.unit); - }, - pow: function(x, y) { - if (typeof x === "number" && typeof y === "number") { - x = new Dimension(x); - y = new Dimension(y); - } else if (!(x instanceof Dimension) || !(y instanceof Dimension)) { - throw { type: "Argument", message: "arguments must be numbers" }; - } - - return new Dimension(Math.pow(x.value, y.value), x.unit); - }, - percentage: function (n) { - var result = mathHelper._math(function(num) { - return num * 100; - }, '%', n); - - return result; - } -}); - -},{"../tree/anonymous":46,"../tree/dimension":56,"./function-registry":22,"./math-helper.js":24}],27:[function(require,module,exports){ -var Quoted = require("../tree/quoted"), - Anonymous = require("../tree/anonymous"), - JavaScript = require("../tree/javascript"), - functionRegistry = require("./function-registry"); - -functionRegistry.addMultiple({ - e: function (str) { - return new Anonymous(str instanceof JavaScript ? str.evaluated : str.value); - }, - escape: function (str) { - return new Anonymous( - encodeURI(str.value).replace(/=/g, "%3D").replace(/:/g, "%3A").replace(/#/g, "%23").replace(/;/g, "%3B") - .replace(/\(/g, "%28").replace(/\)/g, "%29")); - }, - replace: function (string, pattern, replacement, flags) { - var result = string.value; - replacement = (replacement.type === "Quoted") ? - replacement.value : replacement.toCSS(); - result = result.replace(new RegExp(pattern.value, flags ? flags.value : ''), replacement); - return new Quoted(string.quote || '', result, string.escaped); - }, - '%': function (string /* arg, arg, ...*/) { - var args = Array.prototype.slice.call(arguments, 1), - result = string.value; - - for (var i = 0; i < args.length; i++) { - /*jshint loopfunc:true */ - result = result.replace(/%[sda]/i, function(token) { - var value = ((args[i].type === "Quoted") && - token.match(/s/i)) ? args[i].value : args[i].toCSS(); - return token.match(/[A-Z]$/) ? encodeURIComponent(value) : value; - }); - } - result = result.replace(/%%/g, '%'); - return new Quoted(string.quote || '', result, string.escaped); - } -}); - -},{"../tree/anonymous":46,"../tree/javascript":63,"../tree/quoted":73,"./function-registry":22}],28:[function(require,module,exports){ -module.exports = function(environment) { - var Dimension = require("../tree/dimension"), - Color = require("../tree/color"), - Expression = require("../tree/expression"), - Quoted = require("../tree/quoted"), - URL = require("../tree/url"), - functionRegistry = require("./function-registry"); - - functionRegistry.add("svg-gradient", function(direction) { - - var stops, - gradientDirectionSvg, - gradientType = "linear", - rectangleDimension = 'x="0" y="0" width="1" height="1"', - renderEnv = {compress: false}, - returner, - directionValue = direction.toCSS(renderEnv), - i, color, position, positionValue, alpha; - - function throwArgumentDescriptor() { - throw { type: "Argument", - message: "svg-gradient expects direction, start_color [start_position], [color position,]...," + - " end_color [end_position] or direction, color list" }; - } - - if (arguments.length == 2) { - if (arguments[1].value.length < 2) { - throwArgumentDescriptor(); - } - stops = arguments[1].value; - } else if (arguments.length < 3) { - throwArgumentDescriptor(); - } else { - stops = Array.prototype.slice.call(arguments, 1); - } - - switch (directionValue) { - case "to bottom": - gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"'; - break; - case "to right": - gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"'; - break; - case "to bottom right": - gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"'; - break; - case "to top right": - gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"'; - break; - case "ellipse": - case "ellipse at center": - gradientType = "radial"; - gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"'; - rectangleDimension = 'x="-50" y="-50" width="101" height="101"'; - break; - default: - throw { type: "Argument", message: "svg-gradient direction must be 'to bottom', 'to right'," + - " 'to bottom right', 'to top right' or 'ellipse at center'" }; - } - returner = '' + - '' + - '<' + gradientType + 'Gradient id="gradient" gradientUnits="userSpaceOnUse" ' + gradientDirectionSvg + '>'; - - for (i = 0; i < stops.length; i+= 1) { - if (stops[i] instanceof Expression) { - color = stops[i].value[0]; - position = stops[i].value[1]; - } else { - color = stops[i]; - position = undefined; - } - - if (!(color instanceof Color) || (!((i === 0 || i + 1 === stops.length) && position === undefined) && !(position instanceof Dimension))) { - throwArgumentDescriptor(); - } - positionValue = position ? position.toCSS(renderEnv) : i === 0 ? "0%" : "100%"; - alpha = color.alpha; - returner += ''; - } - returner += '' + - ''; - - returner = encodeURIComponent(returner); - - returner = "data:image/svg+xml," + returner; - return new URL(new Quoted("'" + returner + "'", returner, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo); - }); -}; - -},{"../tree/color":50,"../tree/dimension":56,"../tree/expression":59,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],29:[function(require,module,exports){ -var Keyword = require("../tree/keyword"), - DetachedRuleset = require("../tree/detached-ruleset"), - Dimension = require("../tree/dimension"), - Color = require("../tree/color"), - Quoted = require("../tree/quoted"), - Anonymous = require("../tree/anonymous"), - URL = require("../tree/url"), - Operation = require("../tree/operation"), - functionRegistry = require("./function-registry"); - -var isa = function (n, Type) { - return (n instanceof Type) ? Keyword.True : Keyword.False; - }, - isunit = function (n, unit) { - if (unit === undefined) { - throw { type: "Argument", message: "missing the required second argument to isunit." }; - } - unit = typeof unit.value === "string" ? unit.value : unit; - if (typeof unit !== "string") { - throw { type: "Argument", message: "Second argument to isunit should be a unit or a string." }; - } - return (n instanceof Dimension) && n.unit.is(unit) ? Keyword.True : Keyword.False; - }, - getItemsFromNode = function(node) { - // handle non-array values as an array of length 1 - // return 'undefined' if index is invalid - var items = Array.isArray(node.value) ? - node.value : Array(node); - - return items; - }; -functionRegistry.addMultiple({ - isruleset: function (n) { - return isa(n, DetachedRuleset); - }, - iscolor: function (n) { - return isa(n, Color); - }, - isnumber: function (n) { - return isa(n, Dimension); - }, - isstring: function (n) { - return isa(n, Quoted); - }, - iskeyword: function (n) { - return isa(n, Keyword); - }, - isurl: function (n) { - return isa(n, URL); - }, - ispixel: function (n) { - return isunit(n, 'px'); - }, - ispercentage: function (n) { - return isunit(n, '%'); - }, - isem: function (n) { - return isunit(n, 'em'); - }, - isunit: isunit, - unit: function (val, unit) { - if (!(val instanceof Dimension)) { - throw { type: "Argument", - message: "the first argument to unit must be a number" + - (val instanceof Operation ? ". Have you forgotten parenthesis?" : "") }; - } - if (unit) { - if (unit instanceof Keyword) { - unit = unit.value; - } else { - unit = unit.toCSS(); - } - } else { - unit = ""; - } - return new Dimension(val.value, unit); - }, - "get-unit": function (n) { - return new Anonymous(n.unit); - }, - extract: function(values, index) { - index = index.value - 1; // (1-based index) - - return getItemsFromNode(values)[index]; - }, - length: function(values) { - return new Dimension(getItemsFromNode(values).length); - } -}); - -},{"../tree/anonymous":46,"../tree/color":50,"../tree/detached-ruleset":55,"../tree/dimension":56,"../tree/keyword":65,"../tree/operation":71,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],30:[function(require,module,exports){ -var contexts = require("./contexts"), - Parser = require('./parser/parser'), - FunctionImporter = require('./plugins/function-importer'); - -module.exports = function(environment) { - - // FileInfo = { - // 'relativeUrls' - option - whether to adjust URL's to be relative - // 'filename' - full resolved filename of current file - // 'rootpath' - path to append to normal URLs for this node - // 'currentDirectory' - path to the current file, absolute - // 'rootFilename' - filename of the base file - // 'entryPath' - absolute path to the entry file - // 'reference' - whether the file should not be output and only output parts that are referenced - - var ImportManager = function(context, rootFileInfo) { - this.rootFilename = rootFileInfo.filename; - this.paths = context.paths || []; // Search paths, when importing - this.contents = {}; // map - filename to contents of all the files - this.contentsIgnoredChars = {}; // map - filename to lines at the beginning of each file to ignore - this.mime = context.mime; - this.error = null; - this.context = context; - // Deprecated? Unused outside of here, could be useful. - this.queue = []; // Files which haven't been imported yet - this.files = {}; // Holds the imported parse trees. - }; - /** - * Add an import to be imported - * @param path - the raw path - * @param tryAppendLessExtension - whether to try appending the less extension (if the path has no extension) - * @param currentFileInfo - the current file info (used for instance to work out relative paths) - * @param importOptions - import options - * @param callback - callback for when it is imported - */ - ImportManager.prototype.push = function (path, tryAppendLessExtension, currentFileInfo, importOptions, callback) { - var importManager = this; - this.queue.push(path); - - var fileParsedFunc = function (e, root, fullPath) { - importManager.queue.splice(importManager.queue.indexOf(path), 1); // Remove the path from the queue - - var importedEqualsRoot = fullPath === importManager.rootFilename; - if (importOptions.optional && e) { - callback(null, {rules:[]}, false, null); - } - else { - importManager.files[fullPath] = root; - if (e && !importManager.error) { importManager.error = e; } - callback(e, root, importedEqualsRoot, fullPath); - } - }; - - var newFileInfo = { - relativeUrls: this.context.relativeUrls, - entryPath: currentFileInfo.entryPath, - rootpath: currentFileInfo.rootpath, - rootFilename: currentFileInfo.rootFilename - }; - - var fileManager = environment.getFileManager(path, currentFileInfo.currentDirectory, this.context, environment); - - if (!fileManager) { - fileParsedFunc({ message: "Could not find a file-manager for " + path }); - return; - } - - if (tryAppendLessExtension) { - path = fileManager.tryAppendExtension(path, importOptions.plugin ? ".js" : ".less"); - } - - var loadFileCallback = function(loadedFile) { - var resolvedFilename = loadedFile.filename, - contents = loadedFile.contents.replace(/^\uFEFF/, ''); - - // Pass on an updated rootpath if path of imported file is relative and file - // is in a (sub|sup) directory - // - // Examples: - // - If path of imported file is 'module/nav/nav.less' and rootpath is 'less/', - // then rootpath should become 'less/module/nav/' - // - If path of imported file is '../mixins.less' and rootpath is 'less/', - // then rootpath should become 'less/../' - newFileInfo.currentDirectory = fileManager.getPath(resolvedFilename); - if (newFileInfo.relativeUrls) { - newFileInfo.rootpath = fileManager.join( - (importManager.context.rootpath || ""), - fileManager.pathDiff(newFileInfo.currentDirectory, newFileInfo.entryPath)); - - if (!fileManager.isPathAbsolute(newFileInfo.rootpath) && fileManager.alwaysMakePathsAbsolute()) { - newFileInfo.rootpath = fileManager.join(newFileInfo.entryPath, newFileInfo.rootpath); - } - } - newFileInfo.filename = resolvedFilename; - - var newEnv = new contexts.Parse(importManager.context); - - newEnv.processImports = false; - importManager.contents[resolvedFilename] = contents; - - if (currentFileInfo.reference || importOptions.reference) { - newFileInfo.reference = true; - } - - if (importOptions.plugin) { - new FunctionImporter(newEnv, newFileInfo).eval(contents, function (e, root) { - fileParsedFunc(e, root, resolvedFilename); - }); - } else if (importOptions.inline) { - fileParsedFunc(null, contents, resolvedFilename); - } else { - new Parser(newEnv, importManager, newFileInfo).parse(contents, function (e, root) { - fileParsedFunc(e, root, resolvedFilename); - }); - } - }; - - var promise = fileManager.loadFile(path, currentFileInfo.currentDirectory, this.context, environment, - function(err, loadedFile) { - if (err) { - fileParsedFunc(err); - } else { - loadFileCallback(loadedFile); - } - }); - if (promise) { - promise.then(loadFileCallback, fileParsedFunc); - } - }; - return ImportManager; -}; - -},{"./contexts":11,"./parser/parser":38,"./plugins/function-importer":40}],31:[function(require,module,exports){ -module.exports = function(environment, fileManagers) { - var SourceMapOutput, SourceMapBuilder, ParseTree, ImportManager, Environment; - - var less = { - version: [2, 7, 1], - data: require('./data'), - tree: require('./tree'), - Environment: (Environment = require("./environment/environment")), - AbstractFileManager: require("./environment/abstract-file-manager"), - environment: (environment = new Environment(environment, fileManagers)), - visitors: require('./visitors'), - Parser: require('./parser/parser'), - functions: require('./functions')(environment), - contexts: require("./contexts"), - SourceMapOutput: (SourceMapOutput = require('./source-map-output')(environment)), - SourceMapBuilder: (SourceMapBuilder = require('./source-map-builder')(SourceMapOutput, environment)), - ParseTree: (ParseTree = require('./parse-tree')(SourceMapBuilder)), - ImportManager: (ImportManager = require('./import-manager')(environment)), - render: require("./render")(environment, ParseTree, ImportManager), - parse: require("./parse")(environment, ParseTree, ImportManager), - LessError: require('./less-error'), - transformTree: require('./transform-tree'), - utils: require('./utils'), - PluginManager: require('./plugin-manager'), - logger: require('./logger') - }; - - return less; -}; - -},{"./contexts":11,"./data":13,"./environment/abstract-file-manager":15,"./environment/environment":16,"./functions":23,"./import-manager":30,"./less-error":32,"./logger":33,"./parse":35,"./parse-tree":34,"./parser/parser":38,"./plugin-manager":39,"./render":41,"./source-map-builder":42,"./source-map-output":43,"./transform-tree":44,"./tree":62,"./utils":83,"./visitors":87}],32:[function(require,module,exports){ -var utils = require("./utils"); - -var LessError = module.exports = function LessError(e, importManager, currentFilename) { - - Error.call(this); - - var filename = e.filename || currentFilename; - - if (importManager && filename) { - var input = importManager.contents[filename], - loc = utils.getLocation(e.index, input), - line = loc.line, - col = loc.column, - callLine = e.call && utils.getLocation(e.call, input).line, - lines = input.split('\n'); - - this.type = e.type || 'Syntax'; - this.filename = filename; - this.index = e.index; - this.line = typeof line === 'number' ? line + 1 : null; - this.callLine = callLine + 1; - this.callExtract = lines[callLine]; - this.column = col; - this.extract = [ - lines[line - 1], - lines[line], - lines[line + 1] - ]; - } - this.message = e.message; - this.stack = e.stack; -}; - -if (typeof Object.create === 'undefined') { - var F = function () {}; - F.prototype = Error.prototype; - LessError.prototype = new F(); -} else { - LessError.prototype = Object.create(Error.prototype); -} - -LessError.prototype.constructor = LessError; - -},{"./utils":83}],33:[function(require,module,exports){ -module.exports = { - error: function(msg) { - this._fireEvent("error", msg); - }, - warn: function(msg) { - this._fireEvent("warn", msg); - }, - info: function(msg) { - this._fireEvent("info", msg); - }, - debug: function(msg) { - this._fireEvent("debug", msg); - }, - addListener: function(listener) { - this._listeners.push(listener); - }, - removeListener: function(listener) { - for (var i = 0; i < this._listeners.length; i++) { - if (this._listeners[i] === listener) { - this._listeners.splice(i, 1); - return; - } - } - }, - _fireEvent: function(type, msg) { - for (var i = 0; i < this._listeners.length; i++) { - var logFunction = this._listeners[i][type]; - if (logFunction) { - logFunction(msg); - } - } - }, - _listeners: [] -}; - -},{}],34:[function(require,module,exports){ -var LessError = require('./less-error'), - transformTree = require("./transform-tree"), - logger = require("./logger"); - -module.exports = function(SourceMapBuilder) { - var ParseTree = function(root, imports) { - this.root = root; - this.imports = imports; - }; - - ParseTree.prototype.toCSS = function(options) { - var evaldRoot, result = {}, sourceMapBuilder; - try { - evaldRoot = transformTree(this.root, options); - } catch (e) { - throw new LessError(e, this.imports); - } - - try { - var compress = Boolean(options.compress); - if (compress) { - logger.warn("The compress option has been deprecated. We recommend you use a dedicated css minifier, for instance see less-plugin-clean-css."); - } - - var toCSSOptions = { - compress: compress, - dumpLineNumbers: options.dumpLineNumbers, - strictUnits: Boolean(options.strictUnits), - numPrecision: 8}; - - if (options.sourceMap) { - sourceMapBuilder = new SourceMapBuilder(options.sourceMap); - result.css = sourceMapBuilder.toCSS(evaldRoot, toCSSOptions, this.imports); - } else { - result.css = evaldRoot.toCSS(toCSSOptions); - } - } catch (e) { - throw new LessError(e, this.imports); - } - - if (options.pluginManager) { - var postProcessors = options.pluginManager.getPostProcessors(); - for (var i = 0; i < postProcessors.length; i++) { - result.css = postProcessors[i].process(result.css, { sourceMap: sourceMapBuilder, options: options, imports: this.imports }); - } - } - if (options.sourceMap) { - result.map = sourceMapBuilder.getExternalSourceMap(); - } - - result.imports = []; - for (var file in this.imports.files) { - if (this.imports.files.hasOwnProperty(file) && file !== this.imports.rootFilename) { - result.imports.push(file); - } - } - return result; - }; - return ParseTree; -}; - -},{"./less-error":32,"./logger":33,"./transform-tree":44}],35:[function(require,module,exports){ -var PromiseConstructor, - contexts = require("./contexts"), - Parser = require('./parser/parser'), - PluginManager = require('./plugin-manager'); - -module.exports = function(environment, ParseTree, ImportManager) { - var parse = function (input, options, callback) { - options = options || {}; - - if (typeof options === 'function') { - callback = options; - options = {}; - } - - if (!callback) { - if (!PromiseConstructor) { - PromiseConstructor = typeof Promise === 'undefined' ? require('promise') : Promise; - } - var self = this; - return new PromiseConstructor(function (resolve, reject) { - parse.call(self, input, options, function(err, output) { - if (err) { - reject(err); - } else { - resolve(output); - } - }); - }); - } else { - var context, - rootFileInfo, - pluginManager = new PluginManager(this); - - pluginManager.addPlugins(options.plugins); - options.pluginManager = pluginManager; - - context = new contexts.Parse(options); - - if (options.rootFileInfo) { - rootFileInfo = options.rootFileInfo; - } else { - var filename = options.filename || "input"; - var entryPath = filename.replace(/[^\/\\]*$/, ""); - rootFileInfo = { - filename: filename, - relativeUrls: context.relativeUrls, - rootpath: context.rootpath || "", - currentDirectory: entryPath, - entryPath: entryPath, - rootFilename: filename - }; - // add in a missing trailing slash - if (rootFileInfo.rootpath && rootFileInfo.rootpath.slice(-1) !== "/") { - rootFileInfo.rootpath += "/"; - } - } - - var imports = new ImportManager(context, rootFileInfo); - - new Parser(context, imports, rootFileInfo) - .parse(input, function (e, root) { - if (e) { return callback(e); } - callback(null, root, imports, options); - }, options); - } - }; - return parse; -}; - -},{"./contexts":11,"./parser/parser":38,"./plugin-manager":39,"promise":undefined}],36:[function(require,module,exports){ -// Split the input into chunks. -module.exports = function (input, fail) { - var len = input.length, level = 0, parenLevel = 0, - lastOpening, lastOpeningParen, lastMultiComment, lastMultiCommentEndBrace, - chunks = [], emitFrom = 0, - chunkerCurrentIndex, currentChunkStartIndex, cc, cc2, matched; - - function emitChunk(force) { - var len = chunkerCurrentIndex - emitFrom; - if (((len < 512) && !force) || !len) { - return; - } - chunks.push(input.slice(emitFrom, chunkerCurrentIndex + 1)); - emitFrom = chunkerCurrentIndex + 1; - } - - for (chunkerCurrentIndex = 0; chunkerCurrentIndex < len; chunkerCurrentIndex++) { - cc = input.charCodeAt(chunkerCurrentIndex); - if (((cc >= 97) && (cc <= 122)) || (cc < 34)) { - // a-z or whitespace - continue; - } - - switch (cc) { - case 40: // ( - parenLevel++; - lastOpeningParen = chunkerCurrentIndex; - continue; - case 41: // ) - if (--parenLevel < 0) { - return fail("missing opening `(`", chunkerCurrentIndex); - } - continue; - case 59: // ; - if (!parenLevel) { emitChunk(); } - continue; - case 123: // { - level++; - lastOpening = chunkerCurrentIndex; - continue; - case 125: // } - if (--level < 0) { - return fail("missing opening `{`", chunkerCurrentIndex); - } - if (!level && !parenLevel) { emitChunk(); } - continue; - case 92: // \ - if (chunkerCurrentIndex < len - 1) { chunkerCurrentIndex++; continue; } - return fail("unescaped `\\`", chunkerCurrentIndex); - case 34: - case 39: - case 96: // ", ' and ` - matched = 0; - currentChunkStartIndex = chunkerCurrentIndex; - for (chunkerCurrentIndex = chunkerCurrentIndex + 1; chunkerCurrentIndex < len; chunkerCurrentIndex++) { - cc2 = input.charCodeAt(chunkerCurrentIndex); - if (cc2 > 96) { continue; } - if (cc2 == cc) { matched = 1; break; } - if (cc2 == 92) { // \ - if (chunkerCurrentIndex == len - 1) { - return fail("unescaped `\\`", chunkerCurrentIndex); - } - chunkerCurrentIndex++; - } - } - if (matched) { continue; } - return fail("unmatched `" + String.fromCharCode(cc) + "`", currentChunkStartIndex); - case 47: // /, check for comment - if (parenLevel || (chunkerCurrentIndex == len - 1)) { continue; } - cc2 = input.charCodeAt(chunkerCurrentIndex + 1); - if (cc2 == 47) { - // //, find lnfeed - for (chunkerCurrentIndex = chunkerCurrentIndex + 2; chunkerCurrentIndex < len; chunkerCurrentIndex++) { - cc2 = input.charCodeAt(chunkerCurrentIndex); - if ((cc2 <= 13) && ((cc2 == 10) || (cc2 == 13))) { break; } - } - } else if (cc2 == 42) { - // /*, find */ - lastMultiComment = currentChunkStartIndex = chunkerCurrentIndex; - for (chunkerCurrentIndex = chunkerCurrentIndex + 2; chunkerCurrentIndex < len - 1; chunkerCurrentIndex++) { - cc2 = input.charCodeAt(chunkerCurrentIndex); - if (cc2 == 125) { lastMultiCommentEndBrace = chunkerCurrentIndex; } - if (cc2 != 42) { continue; } - if (input.charCodeAt(chunkerCurrentIndex + 1) == 47) { break; } - } - if (chunkerCurrentIndex == len - 1) { - return fail("missing closing `*/`", currentChunkStartIndex); - } - chunkerCurrentIndex++; - } - continue; - case 42: // *, check for unmatched */ - if ((chunkerCurrentIndex < len - 1) && (input.charCodeAt(chunkerCurrentIndex + 1) == 47)) { - return fail("unmatched `/*`", chunkerCurrentIndex); - } - continue; - } - } - - if (level !== 0) { - if ((lastMultiComment > lastOpening) && (lastMultiCommentEndBrace > lastMultiComment)) { - return fail("missing closing `}` or `*/`", lastOpening); - } else { - return fail("missing closing `}`", lastOpening); - } - } else if (parenLevel !== 0) { - return fail("missing closing `)`", lastOpeningParen); - } - - emitChunk(true); - return chunks; -}; - -},{}],37:[function(require,module,exports){ -var chunker = require('./chunker'); - -module.exports = function() { - var input, // LeSS input string - j, // current chunk - saveStack = [], // holds state for backtracking - furthest, // furthest index the parser has gone to - furthestPossibleErrorMessage,// if this is furthest we got to, this is the probably cause - chunks, // chunkified input - current, // current chunk - currentPos, // index of current chunk, in `input` - parserInput = {}; - - var CHARCODE_SPACE = 32, - CHARCODE_TAB = 9, - CHARCODE_LF = 10, - CHARCODE_CR = 13, - CHARCODE_PLUS = 43, - CHARCODE_COMMA = 44, - CHARCODE_FORWARD_SLASH = 47, - CHARCODE_9 = 57; - - function skipWhitespace(length) { - var oldi = parserInput.i, oldj = j, - curr = parserInput.i - currentPos, - endIndex = parserInput.i + current.length - curr, - mem = (parserInput.i += length), - inp = input, - c, nextChar, comment; - - for (; parserInput.i < endIndex; parserInput.i++) { - c = inp.charCodeAt(parserInput.i); - - if (parserInput.autoCommentAbsorb && c === CHARCODE_FORWARD_SLASH) { - nextChar = inp.charAt(parserInput.i + 1); - if (nextChar === '/') { - comment = {index: parserInput.i, isLineComment: true}; - var nextNewLine = inp.indexOf("\n", parserInput.i + 2); - if (nextNewLine < 0) { - nextNewLine = endIndex; - } - parserInput.i = nextNewLine; - comment.text = inp.substr(comment.index, parserInput.i - comment.index); - parserInput.commentStore.push(comment); - continue; - } else if (nextChar === '*') { - var nextStarSlash = inp.indexOf("*/", parserInput.i + 2); - if (nextStarSlash >= 0) { - comment = { - index: parserInput.i, - text: inp.substr(parserInput.i, nextStarSlash + 2 - parserInput.i), - isLineComment: false - }; - parserInput.i += comment.text.length - 1; - parserInput.commentStore.push(comment); - continue; - } - } - break; - } - - if ((c !== CHARCODE_SPACE) && (c !== CHARCODE_LF) && (c !== CHARCODE_TAB) && (c !== CHARCODE_CR)) { - break; - } - } - - current = current.slice(length + parserInput.i - mem + curr); - currentPos = parserInput.i; - - if (!current.length) { - if (j < chunks.length - 1) { - current = chunks[++j]; - skipWhitespace(0); // skip space at the beginning of a chunk - return true; // things changed - } - parserInput.finished = true; - } - - return oldi !== parserInput.i || oldj !== j; - } - - parserInput.save = function() { - currentPos = parserInput.i; - saveStack.push( { current: current, i: parserInput.i, j: j }); - }; - parserInput.restore = function(possibleErrorMessage) { - - if (parserInput.i > furthest || (parserInput.i === furthest && possibleErrorMessage && !furthestPossibleErrorMessage)) { - furthest = parserInput.i; - furthestPossibleErrorMessage = possibleErrorMessage; - } - var state = saveStack.pop(); - current = state.current; - currentPos = parserInput.i = state.i; - j = state.j; - }; - parserInput.forget = function() { - saveStack.pop(); - }; - parserInput.isWhitespace = function (offset) { - var pos = parserInput.i + (offset || 0), - code = input.charCodeAt(pos); - return (code === CHARCODE_SPACE || code === CHARCODE_CR || code === CHARCODE_TAB || code === CHARCODE_LF); - }; - - // Specialization of $(tok) - parserInput.$re = function(tok) { - if (parserInput.i > currentPos) { - current = current.slice(parserInput.i - currentPos); - currentPos = parserInput.i; - } - - var m = tok.exec(current); - if (!m) { - return null; - } - - skipWhitespace(m[0].length); - if (typeof m === "string") { - return m; - } - - return m.length === 1 ? m[0] : m; - }; - - parserInput.$char = function(tok) { - if (input.charAt(parserInput.i) !== tok) { - return null; - } - skipWhitespace(1); - return tok; - }; - - parserInput.$str = function(tok) { - var tokLength = tok.length; - - // https://jsperf.com/string-startswith/21 - for (var i = 0; i < tokLength; i++) { - if (input.charAt(parserInput.i + i) !== tok.charAt(i)) { - return null; - } - } - - skipWhitespace(tokLength); - return tok; - }; - - parserInput.$quoted = function() { - - var startChar = input.charAt(parserInput.i); - if (startChar !== "'" && startChar !== '"') { - return; - } - var length = input.length, - currentPosition = parserInput.i; - - for (var i = 1; i + currentPosition < length; i++) { - var nextChar = input.charAt(i + currentPosition); - switch(nextChar) { - case "\\": - i++; - continue; - case "\r": - case "\n": - break; - case startChar: - var str = input.substr(currentPosition, i + 1); - skipWhitespace(i + 1); - return str; - default: - } - } - return null; - }; - - parserInput.autoCommentAbsorb = true; - parserInput.commentStore = []; - parserInput.finished = false; - - // Same as $(), but don't change the state of the parser, - // just return the match. - parserInput.peek = function(tok) { - if (typeof tok === 'string') { - // https://jsperf.com/string-startswith/21 - for (var i = 0; i < tok.length; i++) { - if (input.charAt(parserInput.i + i) !== tok.charAt(i)) { - return false; - } - } - return true; - } else { - return tok.test(current); - } - }; - - // Specialization of peek() - // TODO remove or change some currentChar calls to peekChar - parserInput.peekChar = function(tok) { - return input.charAt(parserInput.i) === tok; - }; - - parserInput.currentChar = function() { - return input.charAt(parserInput.i); - }; - - parserInput.getInput = function() { - return input; - }; - - parserInput.peekNotNumeric = function() { - var c = input.charCodeAt(parserInput.i); - //Is the first char of the dimension 0-9, '.', '+' or '-' - return (c > CHARCODE_9 || c < CHARCODE_PLUS) || c === CHARCODE_FORWARD_SLASH || c === CHARCODE_COMMA; - }; - - parserInput.start = function(str, chunkInput, failFunction) { - input = str; - parserInput.i = j = currentPos = furthest = 0; - - // chunking apparently makes things quicker (but my tests indicate - // it might actually make things slower in node at least) - // and it is a non-perfect parse - it can't recognise - // unquoted urls, meaning it can't distinguish comments - // meaning comments with quotes or {}() in them get 'counted' - // and then lead to parse errors. - // In addition if the chunking chunks in the wrong place we might - // not be able to parse a parser statement in one go - // this is officially deprecated but can be switched on via an option - // in the case it causes too much performance issues. - if (chunkInput) { - chunks = chunker(str, failFunction); - } else { - chunks = [str]; - } - - current = chunks[0]; - - skipWhitespace(0); - }; - - parserInput.end = function() { - var message, - isFinished = parserInput.i >= input.length; - - if (parserInput.i < furthest) { - message = furthestPossibleErrorMessage; - parserInput.i = furthest; - } - return { - isFinished: isFinished, - furthest: parserInput.i, - furthestPossibleErrorMessage: message, - furthestReachedEnd: parserInput.i >= input.length - 1, - furthestChar: input[parserInput.i] - }; - }; - - return parserInput; -}; - -},{"./chunker":36}],38:[function(require,module,exports){ -var LessError = require('../less-error'), - tree = require("../tree"), - visitors = require("../visitors"), - getParserInput = require("./parser-input"), - utils = require("../utils"); - -// -// less.js - parser -// -// A relatively straight-forward predictive parser. -// There is no tokenization/lexing stage, the input is parsed -// in one sweep. -// -// To make the parser fast enough to run in the browser, several -// optimization had to be made: -// -// - Matching and slicing on a huge input is often cause of slowdowns. -// The solution is to chunkify the input into smaller strings. -// The chunks are stored in the `chunks` var, -// `j` holds the current chunk index, and `currentPos` holds -// the index of the current chunk in relation to `input`. -// This gives us an almost 4x speed-up. -// -// - In many cases, we don't need to match individual tokens; -// for example, if a value doesn't hold any variables, operations -// or dynamic references, the parser can effectively 'skip' it, -// treating it as a literal. -// An example would be '1px solid #000' - which evaluates to itself, -// we don't need to know what the individual components are. -// The drawback, of course is that you don't get the benefits of -// syntax-checking on the CSS. This gives us a 50% speed-up in the parser, -// and a smaller speed-up in the code-gen. -// -// -// Token matching is done with the `$` function, which either takes -// a terminal string or regexp, or a non-terminal function to call. -// It also takes care of moving all the indices forwards. -//` -// -var Parser = function Parser(context, imports, fileInfo) { - var parsers, - parserInput = getParserInput(); - - function error(msg, type) { - throw new LessError( - { - index: parserInput.i, - filename: fileInfo.filename, - type: type || 'Syntax', - message: msg - }, - imports - ); - } - - function expect(arg, msg, index) { - // some older browsers return typeof 'function' for RegExp - var result = (arg instanceof Function) ? arg.call(parsers) : parserInput.$re(arg); - if (result) { - return result; - } - error(msg || (typeof arg === 'string' ? "expected '" + arg + "' got '" + parserInput.currentChar() + "'" - : "unexpected token")); - } - - // Specialization of expect() - function expectChar(arg, msg) { - if (parserInput.$char(arg)) { - return arg; - } - error(msg || "expected '" + arg + "' got '" + parserInput.currentChar() + "'"); - } - - function getDebugInfo(index) { - var filename = fileInfo.filename; - - return { - lineNumber: utils.getLocation(index, parserInput.getInput()).line + 1, - fileName: filename - }; - } - - // - // The Parser - // - return { - - // - // Parse an input string into an abstract syntax tree, - // @param str A string containing 'less' markup - // @param callback call `callback` when done. - // @param [additionalData] An optional map which can contains vars - a map (key, value) of variables to apply - // - parse: function (str, callback, additionalData) { - var root, error = null, globalVars, modifyVars, ignored, preText = ""; - - globalVars = (additionalData && additionalData.globalVars) ? Parser.serializeVars(additionalData.globalVars) + '\n' : ''; - modifyVars = (additionalData && additionalData.modifyVars) ? '\n' + Parser.serializeVars(additionalData.modifyVars) : ''; - - if (context.pluginManager) { - var preProcessors = context.pluginManager.getPreProcessors(); - for (var i = 0; i < preProcessors.length; i++) { - str = preProcessors[i].process(str, { context: context, imports: imports, fileInfo: fileInfo }); - } - } - - if (globalVars || (additionalData && additionalData.banner)) { - preText = ((additionalData && additionalData.banner) ? additionalData.banner : "") + globalVars; - ignored = imports.contentsIgnoredChars; - ignored[fileInfo.filename] = ignored[fileInfo.filename] || 0; - ignored[fileInfo.filename] += preText.length; - } - - str = str.replace(/\r\n?/g, '\n'); - // Remove potential UTF Byte Order Mark - str = preText + str.replace(/^\uFEFF/, '') + modifyVars; - imports.contents[fileInfo.filename] = str; - - // Start with the primary rule. - // The whole syntax tree is held under a Ruleset node, - // with the `root` property set to true, so no `{}` are - // output. The callback is called when the input is parsed. - try { - parserInput.start(str, context.chunkInput, function fail(msg, index) { - throw new LessError({ - index: index, - type: 'Parse', - message: msg, - filename: fileInfo.filename - }, imports); - }); - - root = new(tree.Ruleset)(null, this.parsers.primary()); - root.root = true; - root.firstRoot = true; - } catch (e) { - return callback(new LessError(e, imports, fileInfo.filename)); - } - - // If `i` is smaller than the `input.length - 1`, - // it means the parser wasn't able to parse the whole - // string, so we've got a parsing error. - // - // We try to extract a \n delimited string, - // showing the line where the parse error occurred. - // We split it up into two parts (the part which parsed, - // and the part which didn't), so we can color them differently. - var endInfo = parserInput.end(); - if (!endInfo.isFinished) { - - var message = endInfo.furthestPossibleErrorMessage; - - if (!message) { - message = "Unrecognised input"; - if (endInfo.furthestChar === '}') { - message += ". Possibly missing opening '{'"; - } else if (endInfo.furthestChar === ')') { - message += ". Possibly missing opening '('"; - } else if (endInfo.furthestReachedEnd) { - message += ". Possibly missing something"; - } - } - - error = new LessError({ - type: "Parse", - message: message, - index: endInfo.furthest, - filename: fileInfo.filename - }, imports); - } - - var finish = function (e) { - e = error || e || imports.error; - - if (e) { - if (!(e instanceof LessError)) { - e = new LessError(e, imports, fileInfo.filename); - } - - return callback(e); - } - else { - return callback(null, root); - } - }; - - if (context.processImports !== false) { - new visitors.ImportVisitor(imports, finish) - .run(root); - } else { - return finish(); - } - }, - - // - // Here in, the parsing rules/functions - // - // The basic structure of the syntax tree generated is as follows: - // - // Ruleset -> Rule -> Value -> Expression -> Entity - // - // Here's some Less code: - // - // .class { - // color: #fff; - // border: 1px solid #000; - // width: @w + 4px; - // > .child {...} - // } - // - // And here's what the parse tree might look like: - // - // Ruleset (Selector '.class', [ - // Rule ("color", Value ([Expression [Color #fff]])) - // Rule ("border", Value ([Expression [Dimension 1px][Keyword "solid"][Color #000]])) - // Rule ("width", Value ([Expression [Operation " + " [Variable "@w"][Dimension 4px]]])) - // Ruleset (Selector [Element '>', '.child'], [...]) - // ]) - // - // In general, most rules will try to parse a token with the `$re()` function, and if the return - // value is truly, will return a new node, of the relevant type. Sometimes, we need to check - // first, before parsing, that's when we use `peek()`. - // - parsers: parsers = { - // - // The `primary` rule is the *entry* and *exit* point of the parser. - // The rules here can appear at any level of the parse tree. - // - // The recursive nature of the grammar is an interplay between the `block` - // rule, which represents `{ ... }`, the `ruleset` rule, and this `primary` rule, - // as represented by this simplified grammar: - // - // primary → (ruleset | rule)+ - // ruleset → selector+ block - // block → '{' primary '}' - // - // Only at one point is the primary rule not called from the - // block rule: at the root level. - // - primary: function () { - var mixin = this.mixin, root = [], node; - - while (true) { - while (true) { - node = this.comment(); - if (!node) { break; } - root.push(node); - } - // always process comments before deciding if finished - if (parserInput.finished) { - break; - } - if (parserInput.peek('}')) { - break; - } - - node = this.extendRule(); - if (node) { - root = root.concat(node); - continue; - } - - node = mixin.definition() || this.rule() || this.ruleset() || - mixin.call() || this.rulesetCall() || this.entities.call() || this.directive(); - if (node) { - root.push(node); - } else { - var foundSemiColon = false; - while (parserInput.$char(";")) { - foundSemiColon = true; - } - if (!foundSemiColon) { - break; - } - } - } - - return root; - }, - - // comments are collected by the main parsing mechanism and then assigned to nodes - // where the current structure allows it - comment: function () { - if (parserInput.commentStore.length) { - var comment = parserInput.commentStore.shift(); - return new(tree.Comment)(comment.text, comment.isLineComment, comment.index, fileInfo); - } - }, - - // - // Entities are tokens which can be found inside an Expression - // - entities: { - // - // A string, which supports escaping " and ' - // - // "milky way" 'he\'s the one!' - // - quoted: function () { - var str, index = parserInput.i, isEscaped = false; - - parserInput.save(); - if (parserInput.$char("~")) { - isEscaped = true; - } - str = parserInput.$quoted(); - if (!str) { - parserInput.restore(); - return; - } - parserInput.forget(); - - return new(tree.Quoted)(str.charAt(0), str.substr(1, str.length - 2), isEscaped, index, fileInfo); - }, - - // - // A catch-all word, such as: - // - // black border-collapse - // - keyword: function () { - var k = parserInput.$char("%") || parserInput.$re(/^[_A-Za-z-][_A-Za-z0-9-]*/); - if (k) { - return tree.Color.fromKeyword(k) || new(tree.Keyword)(k); - } - }, - - // - // A function call - // - // rgb(255, 0, 255) - // - // We also try to catch IE's `alpha()`, but let the `alpha` parser - // deal with the details. - // - // The arguments are parsed with the `entities.arguments` parser. - // - call: function () { - var name, nameLC, args, alpha, index = parserInput.i; - - // http://jsperf.com/case-insensitive-regex-vs-strtolower-then-regex/18 - if (parserInput.peek(/^url\(/i)) { - return; - } - - parserInput.save(); - - name = parserInput.$re(/^([\w-]+|%|progid:[\w\.]+)\(/); - if (!name) { parserInput.forget(); return; } - - name = name[1]; - nameLC = name.toLowerCase(); - - if (nameLC === 'alpha') { - alpha = parsers.alpha(); - if (alpha) { - parserInput.forget(); - return alpha; - } - } - - args = this.arguments(); - - if (! parserInput.$char(')')) { - parserInput.restore("Could not parse call arguments or missing ')'"); - return; - } - - parserInput.forget(); - return new(tree.Call)(name, args, index, fileInfo); - }, - arguments: function () { - var argsSemiColon = [], argsComma = [], - expressions = [], - isSemiColonSeparated, value, arg; - - parserInput.save(); - - while (true) { - - arg = parsers.detachedRuleset() || this.assignment() || parsers.expression(); - - if (!arg) { - break; - } - - value = arg; - - if (arg.value && arg.value.length == 1) { - value = arg.value[0]; - } - - if (value) { - expressions.push(value); - } - - argsComma.push(value); - - if (parserInput.$char(',')) { - continue; - } - - if (parserInput.$char(';') || isSemiColonSeparated) { - - isSemiColonSeparated = true; - - if (expressions.length > 1) { - value = new(tree.Value)(expressions); - } - argsSemiColon.push(value); - - expressions = []; - } - } - - parserInput.forget(); - return isSemiColonSeparated ? argsSemiColon : argsComma; - }, - literal: function () { - return this.dimension() || - this.color() || - this.quoted() || - this.unicodeDescriptor(); - }, - - // Assignments are argument entities for calls. - // They are present in ie filter properties as shown below. - // - // filter: progid:DXImageTransform.Microsoft.Alpha( *opacity=50* ) - // - - assignment: function () { - var key, value; - parserInput.save(); - key = parserInput.$re(/^\w+(?=\s?=)/i); - if (!key) { - parserInput.restore(); - return; - } - if (!parserInput.$char('=')) { - parserInput.restore(); - return; - } - value = parsers.entity(); - if (value) { - parserInput.forget(); - return new(tree.Assignment)(key, value); - } else { - parserInput.restore(); - } - }, - - // - // Parse url() tokens - // - // We use a specific rule for urls, because they don't really behave like - // standard function calls. The difference is that the argument doesn't have - // to be enclosed within a string, so it can't be parsed as an Expression. - // - url: function () { - var value, index = parserInput.i; - - parserInput.autoCommentAbsorb = false; - - if (!parserInput.$str("url(")) { - parserInput.autoCommentAbsorb = true; - return; - } - - value = this.quoted() || this.variable() || - parserInput.$re(/^(?:(?:\\[\(\)'"])|[^\(\)'"])+/) || ""; - - parserInput.autoCommentAbsorb = true; - - expectChar(')'); - - return new(tree.URL)((value.value != null || value instanceof tree.Variable) ? - value : new(tree.Anonymous)(value), index, fileInfo); - }, - - // - // A Variable entity, such as `@fink`, in - // - // width: @fink + 2px - // - // We use a different parser for variable definitions, - // see `parsers.variable`. - // - variable: function () { - var name, index = parserInput.i; - - if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^@@?[\w-]+/))) { - return new(tree.Variable)(name, index, fileInfo); - } - }, - - // A variable entity using the protective {} e.g. @{var} - variableCurly: function () { - var curly, index = parserInput.i; - - if (parserInput.currentChar() === '@' && (curly = parserInput.$re(/^@\{([\w-]+)\}/))) { - return new(tree.Variable)("@" + curly[1], index, fileInfo); - } - }, - - // - // A Hexadecimal color - // - // #4F3C2F - // - // `rgb` and `hsl` colors are parsed through the `entities.call` parser. - // - color: function () { - var rgb; - - if (parserInput.currentChar() === '#' && (rgb = parserInput.$re(/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/))) { - // strip colons, brackets, whitespaces and other characters that should not - // definitely be part of color string - var colorCandidateString = rgb.input.match(/^#([\w]+).*/); - colorCandidateString = colorCandidateString[1]; - if (!colorCandidateString.match(/^[A-Fa-f0-9]+$/)) { // verify if candidate consists only of allowed HEX characters - error("Invalid HEX color code"); - } - return new(tree.Color)(rgb[1], undefined, '#' + colorCandidateString); - } - }, - - colorKeyword: function () { - parserInput.save(); - var autoCommentAbsorb = parserInput.autoCommentAbsorb; - parserInput.autoCommentAbsorb = false; - var k = parserInput.$re(/^[_A-Za-z-][_A-Za-z0-9-]+/); - parserInput.autoCommentAbsorb = autoCommentAbsorb; - if (!k) { - parserInput.forget(); - return; - } - parserInput.restore(); - var color = tree.Color.fromKeyword(k); - if (color) { - parserInput.$str(k); - return color; - } - }, - - // - // A Dimension, that is, a number and a unit - // - // 0.5em 95% - // - dimension: function () { - if (parserInput.peekNotNumeric()) { - return; - } - - var value = parserInput.$re(/^([+-]?\d*\.?\d+)(%|[a-z_]+)?/i); - if (value) { - return new(tree.Dimension)(value[1], value[2]); - } - }, - - // - // A unicode descriptor, as is used in unicode-range - // - // U+0?? or U+00A1-00A9 - // - unicodeDescriptor: function () { - var ud; - - ud = parserInput.$re(/^U\+[0-9a-fA-F?]+(\-[0-9a-fA-F?]+)?/); - if (ud) { - return new(tree.UnicodeDescriptor)(ud[0]); - } - }, - - // - // JavaScript code to be evaluated - // - // `window.location.href` - // - javascript: function () { - var js, index = parserInput.i; - - parserInput.save(); - - var escape = parserInput.$char("~"); - var jsQuote = parserInput.$char("`"); - - if (!jsQuote) { - parserInput.restore(); - return; - } - - js = parserInput.$re(/^[^`]*`/); - if (js) { - parserInput.forget(); - return new(tree.JavaScript)(js.substr(0, js.length - 1), Boolean(escape), index, fileInfo); - } - parserInput.restore("invalid javascript definition"); - } - }, - - // - // The variable part of a variable definition. Used in the `rule` parser - // - // @fink: - // - variable: function () { - var name; - - if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^(@[\w-]+)\s*:/))) { return name[1]; } - }, - - // - // The variable part of a variable definition. Used in the `rule` parser - // - // @fink(); - // - rulesetCall: function () { - var name; - - if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^(@[\w-]+)\(\s*\)\s*;/))) { - return new tree.RulesetCall(name[1]); - } - }, - - // - // extend syntax - used to extend selectors - // - extend: function(isRule) { - var elements, e, index = parserInput.i, option, extendList, extend; - - if (!parserInput.$str(isRule ? "&:extend(" : ":extend(")) { - return; - } - - do { - option = null; - elements = null; - while (! (option = parserInput.$re(/^(all)(?=\s*(\)|,))/))) { - e = this.element(); - if (!e) { - break; - } - if (elements) { - elements.push(e); - } else { - elements = [ e ]; - } - } - - option = option && option[1]; - if (!elements) { - error("Missing target selector for :extend()."); - } - extend = new(tree.Extend)(new(tree.Selector)(elements), option, index, fileInfo); - if (extendList) { - extendList.push(extend); - } else { - extendList = [ extend ]; - } - } while (parserInput.$char(",")); - - expect(/^\)/); - - if (isRule) { - expect(/^;/); - } - - return extendList; - }, - - // - // extendRule - used in a rule to extend all the parent selectors - // - extendRule: function() { - return this.extend(true); - }, - - // - // Mixins - // - mixin: { - // - // A Mixin call, with an optional argument list - // - // #mixins > .square(#fff); - // .rounded(4px, black); - // .button; - // - // The `while` loop is there because mixins can be - // namespaced, but we only support the child and descendant - // selector for now. - // - call: function () { - var s = parserInput.currentChar(), important = false, index = parserInput.i, elemIndex, - elements, elem, e, c, args; - - if (s !== '.' && s !== '#') { return; } - - parserInput.save(); // stop us absorbing part of an invalid selector - - while (true) { - elemIndex = parserInput.i; - e = parserInput.$re(/^[#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/); - if (!e) { - break; - } - elem = new(tree.Element)(c, e, elemIndex, fileInfo); - if (elements) { - elements.push(elem); - } else { - elements = [ elem ]; - } - c = parserInput.$char('>'); - } - - if (elements) { - if (parserInput.$char('(')) { - args = this.args(true).args; - expectChar(')'); - } - - if (parsers.important()) { - important = true; - } - - if (parsers.end()) { - parserInput.forget(); - return new(tree.mixin.Call)(elements, args, index, fileInfo, important); - } - } - - parserInput.restore(); - }, - args: function (isCall) { - var entities = parsers.entities, - returner = { args:null, variadic: false }, - expressions = [], argsSemiColon = [], argsComma = [], - isSemiColonSeparated, expressionContainsNamed, name, nameLoop, - value, arg, expand; - - parserInput.save(); - - while (true) { - if (isCall) { - arg = parsers.detachedRuleset() || parsers.expression(); - } else { - parserInput.commentStore.length = 0; - if (parserInput.$str("...")) { - returner.variadic = true; - if (parserInput.$char(";") && !isSemiColonSeparated) { - isSemiColonSeparated = true; - } - (isSemiColonSeparated ? argsSemiColon : argsComma) - .push({ variadic: true }); - break; - } - arg = entities.variable() || entities.literal() || entities.keyword(); - } - - if (!arg) { - break; - } - - nameLoop = null; - if (arg.throwAwayComments) { - arg.throwAwayComments(); - } - value = arg; - var val = null; - - if (isCall) { - // Variable - if (arg.value && arg.value.length == 1) { - val = arg.value[0]; - } - } else { - val = arg; - } - - if (val && val instanceof tree.Variable) { - if (parserInput.$char(':')) { - if (expressions.length > 0) { - if (isSemiColonSeparated) { - error("Cannot mix ; and , as delimiter types"); - } - expressionContainsNamed = true; - } - - value = parsers.detachedRuleset() || parsers.expression(); - - if (!value) { - if (isCall) { - error("could not understand value for named argument"); - } else { - parserInput.restore(); - returner.args = []; - return returner; - } - } - nameLoop = (name = val.name); - } else if (parserInput.$str("...")) { - if (!isCall) { - returner.variadic = true; - if (parserInput.$char(";") && !isSemiColonSeparated) { - isSemiColonSeparated = true; - } - (isSemiColonSeparated ? argsSemiColon : argsComma) - .push({ name: arg.name, variadic: true }); - break; - } else { - expand = true; - } - } else if (!isCall) { - name = nameLoop = val.name; - value = null; - } - } - - if (value) { - expressions.push(value); - } - - argsComma.push({ name:nameLoop, value:value, expand:expand }); - - if (parserInput.$char(',')) { - continue; - } - - if (parserInput.$char(';') || isSemiColonSeparated) { - - if (expressionContainsNamed) { - error("Cannot mix ; and , as delimiter types"); - } - - isSemiColonSeparated = true; - - if (expressions.length > 1) { - value = new(tree.Value)(expressions); - } - argsSemiColon.push({ name:name, value:value, expand:expand }); - - name = null; - expressions = []; - expressionContainsNamed = false; - } - } - - parserInput.forget(); - returner.args = isSemiColonSeparated ? argsSemiColon : argsComma; - return returner; - }, - // - // A Mixin definition, with a list of parameters - // - // .rounded (@radius: 2px, @color) { - // ... - // } - // - // Until we have a finer grained state-machine, we have to - // do a look-ahead, to make sure we don't have a mixin call. - // See the `rule` function for more information. - // - // We start by matching `.rounded (`, and then proceed on to - // the argument list, which has optional default values. - // We store the parameters in `params`, with a `value` key, - // if there is a value, such as in the case of `@radius`. - // - // Once we've got our params list, and a closing `)`, we parse - // the `{...}` block. - // - definition: function () { - var name, params = [], match, ruleset, cond, variadic = false; - if ((parserInput.currentChar() !== '.' && parserInput.currentChar() !== '#') || - parserInput.peek(/^[^{]*\}/)) { - return; - } - - parserInput.save(); - - match = parserInput.$re(/^([#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/); - if (match) { - name = match[1]; - - var argInfo = this.args(false); - params = argInfo.args; - variadic = argInfo.variadic; - - // .mixincall("@{a}"); - // looks a bit like a mixin definition.. - // also - // .mixincall(@a: {rule: set;}); - // so we have to be nice and restore - if (!parserInput.$char(')')) { - parserInput.restore("Missing closing ')'"); - return; - } - - parserInput.commentStore.length = 0; - - if (parserInput.$str("when")) { // Guard - cond = expect(parsers.conditions, 'expected condition'); - } - - ruleset = parsers.block(); - - if (ruleset) { - parserInput.forget(); - return new(tree.mixin.Definition)(name, params, ruleset, cond, variadic); - } else { - parserInput.restore(); - } - } else { - parserInput.forget(); - } - } - }, - - // - // Entities are the smallest recognized token, - // and can be found inside a rule's value. - // - entity: function () { - var entities = this.entities; - - return this.comment() || entities.literal() || entities.variable() || entities.url() || - entities.call() || entities.keyword() || entities.javascript(); - }, - - // - // A Rule terminator. Note that we use `peek()` to check for '}', - // because the `block` rule will be expecting it, but we still need to make sure - // it's there, if ';' was omitted. - // - end: function () { - return parserInput.$char(';') || parserInput.peek('}'); - }, - - // - // IE's alpha function - // - // alpha(opacity=88) - // - alpha: function () { - var value; - - // http://jsperf.com/case-insensitive-regex-vs-strtolower-then-regex/18 - if (! parserInput.$re(/^opacity=/i)) { return; } - value = parserInput.$re(/^\d+/); - if (!value) { - value = expect(this.entities.variable, "Could not parse alpha"); - } - expectChar(')'); - return new(tree.Alpha)(value); - }, - - // - // A Selector Element - // - // div - // + h1 - // #socks - // input[type="text"] - // - // Elements are the building blocks for Selectors, - // they are made out of a `Combinator` (see combinator rule), - // and an element name, such as a tag a class, or `*`. - // - element: function () { - var e, c, v, index = parserInput.i; - - c = this.combinator(); - - e = parserInput.$re(/^(?:\d+\.\d+|\d+)%/) || - parserInput.$re(/^(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/) || - parserInput.$char('*') || parserInput.$char('&') || this.attribute() || - parserInput.$re(/^\([^&()@]+\)/) || parserInput.$re(/^[\.#:](?=@)/) || - this.entities.variableCurly(); - - if (! e) { - parserInput.save(); - if (parserInput.$char('(')) { - if ((v = this.selector()) && parserInput.$char(')')) { - e = new(tree.Paren)(v); - parserInput.forget(); - } else { - parserInput.restore("Missing closing ')'"); - } - } else { - parserInput.forget(); - } - } - - if (e) { return new(tree.Element)(c, e, index, fileInfo); } - }, - - // - // Combinators combine elements together, in a Selector. - // - // Because our parser isn't white-space sensitive, special care - // has to be taken, when parsing the descendant combinator, ` `, - // as it's an empty space. We have to check the previous character - // in the input, to see if it's a ` ` character. More info on how - // we deal with this in *combinator.js*. - // - combinator: function () { - var c = parserInput.currentChar(); - - if (c === '/') { - parserInput.save(); - var slashedCombinator = parserInput.$re(/^\/[a-z]+\//i); - if (slashedCombinator) { - parserInput.forget(); - return new(tree.Combinator)(slashedCombinator); - } - parserInput.restore(); - } - - if (c === '>' || c === '+' || c === '~' || c === '|' || c === '^') { - parserInput.i++; - if (c === '^' && parserInput.currentChar() === '^') { - c = '^^'; - parserInput.i++; - } - while (parserInput.isWhitespace()) { parserInput.i++; } - return new(tree.Combinator)(c); - } else if (parserInput.isWhitespace(-1)) { - return new(tree.Combinator)(" "); - } else { - return new(tree.Combinator)(null); - } - }, - // - // A CSS selector (see selector below) - // with less extensions e.g. the ability to extend and guard - // - lessSelector: function () { - return this.selector(true); - }, - // - // A CSS Selector - // - // .class > div + h1 - // li a:hover - // - // Selectors are made out of one or more Elements, see above. - // - selector: function (isLess) { - var index = parserInput.i, elements, extendList, c, e, allExtends, when, condition; - - while ((isLess && (extendList = this.extend())) || (isLess && (when = parserInput.$str("when"))) || (e = this.element())) { - if (when) { - condition = expect(this.conditions, 'expected condition'); - } else if (condition) { - error("CSS guard can only be used at the end of selector"); - } else if (extendList) { - if (allExtends) { - allExtends = allExtends.concat(extendList); - } else { - allExtends = extendList; - } - } else { - if (allExtends) { error("Extend can only be used at the end of selector"); } - c = parserInput.currentChar(); - if (elements) { - elements.push(e); - } else { - elements = [ e ]; - } - e = null; - } - if (c === '{' || c === '}' || c === ';' || c === ',' || c === ')') { - break; - } - } - - if (elements) { return new(tree.Selector)(elements, allExtends, condition, index, fileInfo); } - if (allExtends) { error("Extend must be used to extend a selector, it cannot be used on its own"); } - }, - attribute: function () { - if (! parserInput.$char('[')) { return; } - - var entities = this.entities, - key, val, op; - - if (!(key = entities.variableCurly())) { - key = expect(/^(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\.)+/); - } - - op = parserInput.$re(/^[|~*$^]?=/); - if (op) { - val = entities.quoted() || parserInput.$re(/^[0-9]+%/) || parserInput.$re(/^[\w-]+/) || entities.variableCurly(); - } - - expectChar(']'); - - return new(tree.Attribute)(key, op, val); - }, - - // - // The `block` rule is used by `ruleset` and `mixin.definition`. - // It's a wrapper around the `primary` rule, with added `{}`. - // - block: function () { - var content; - if (parserInput.$char('{') && (content = this.primary()) && parserInput.$char('}')) { - return content; - } - }, - - blockRuleset: function() { - var block = this.block(); - - if (block) { - block = new tree.Ruleset(null, block); - } - return block; - }, - - detachedRuleset: function() { - var blockRuleset = this.blockRuleset(); - if (blockRuleset) { - return new tree.DetachedRuleset(blockRuleset); - } - }, - - // - // div, .class, body > p {...} - // - ruleset: function () { - var selectors, s, rules, debugInfo; - - parserInput.save(); - - if (context.dumpLineNumbers) { - debugInfo = getDebugInfo(parserInput.i); - } - - while (true) { - s = this.lessSelector(); - if (!s) { - break; - } - if (selectors) { - selectors.push(s); - } else { - selectors = [ s ]; - } - parserInput.commentStore.length = 0; - if (s.condition && selectors.length > 1) { - error("Guards are only currently allowed on a single selector."); - } - if (! parserInput.$char(',')) { break; } - if (s.condition) { - error("Guards are only currently allowed on a single selector."); - } - parserInput.commentStore.length = 0; - } - - if (selectors && (rules = this.block())) { - parserInput.forget(); - var ruleset = new(tree.Ruleset)(selectors, rules, context.strictImports); - if (context.dumpLineNumbers) { - ruleset.debugInfo = debugInfo; - } - return ruleset; - } else { - parserInput.restore(); - } - }, - rule: function (tryAnonymous) { - var name, value, startOfRule = parserInput.i, c = parserInput.currentChar(), important, merge, isVariable; - - if (c === '.' || c === '#' || c === '&' || c === ':') { return; } - - parserInput.save(); - - name = this.variable() || this.ruleProperty(); - if (name) { - isVariable = typeof name === "string"; - - if (isVariable) { - value = this.detachedRuleset(); - } - - parserInput.commentStore.length = 0; - if (!value) { - // a name returned by this.ruleProperty() is always an array of the form: - // [string-1, ..., string-n, ""] or [string-1, ..., string-n, "+"] - // where each item is a tree.Keyword or tree.Variable - merge = !isVariable && name.length > 1 && name.pop().value; - - // prefer to try to parse first if its a variable or we are compressing - // but always fallback on the other one - var tryValueFirst = !tryAnonymous && (context.compress || isVariable); - - if (tryValueFirst) { - value = this.value(); - } - if (!value) { - value = this.anonymousValue(); - if (value) { - parserInput.forget(); - // anonymous values absorb the end ';' which is required for them to work - return new (tree.Rule)(name, value, false, merge, startOfRule, fileInfo); - } - } - if (!tryValueFirst && !value) { - value = this.value(); - } - - important = this.important(); - } - - if (value && this.end()) { - parserInput.forget(); - return new (tree.Rule)(name, value, important, merge, startOfRule, fileInfo); - } else { - parserInput.restore(); - if (value && !tryAnonymous) { - return this.rule(true); - } - } - } else { - parserInput.forget(); - } - }, - anonymousValue: function () { - var match = parserInput.$re(/^([^@+\/'"*`(;{}-]*);/); - if (match) { - return new(tree.Anonymous)(match[1]); - } - }, - - // - // An @import directive - // - // @import "lib"; - // - // Depending on our environment, importing is done differently: - // In the browser, it's an XHR request, in Node, it would be a - // file-system operation. The function used for importing is - // stored in `import`, which we pass to the Import constructor. - // - "import": function () { - var path, features, index = parserInput.i; - - var dir = parserInput.$re(/^@import?\s+/); - - if (dir) { - var options = (dir ? this.importOptions() : null) || {}; - - if ((path = this.entities.quoted() || this.entities.url())) { - features = this.mediaFeatures(); - - if (!parserInput.$char(';')) { - parserInput.i = index; - error("missing semi-colon or unrecognised media features on import"); - } - features = features && new(tree.Value)(features); - return new(tree.Import)(path, features, options, index, fileInfo); - } - else { - parserInput.i = index; - error("malformed import statement"); - } - } - }, - - importOptions: function() { - var o, options = {}, optionName, value; - - // list of options, surrounded by parens - if (! parserInput.$char('(')) { return null; } - do { - o = this.importOption(); - if (o) { - optionName = o; - value = true; - switch(optionName) { - case "css": - optionName = "less"; - value = false; - break; - case "once": - optionName = "multiple"; - value = false; - break; - } - options[optionName] = value; - if (! parserInput.$char(',')) { break; } - } - } while (o); - expectChar(')'); - return options; - }, - - importOption: function() { - var opt = parserInput.$re(/^(less|css|multiple|once|inline|reference|optional)/); - if (opt) { - return opt[1]; - } - }, - - mediaFeature: function () { - var entities = this.entities, nodes = [], e, p; - parserInput.save(); - do { - e = entities.keyword() || entities.variable(); - if (e) { - nodes.push(e); - } else if (parserInput.$char('(')) { - p = this.property(); - e = this.value(); - if (parserInput.$char(')')) { - if (p && e) { - nodes.push(new(tree.Paren)(new(tree.Rule)(p, e, null, null, parserInput.i, fileInfo, true))); - } else if (e) { - nodes.push(new(tree.Paren)(e)); - } else { - error("badly formed media feature definition"); - } - } else { - error("Missing closing ')'", "Parse"); - } - } - } while (e); - - parserInput.forget(); - if (nodes.length > 0) { - return new(tree.Expression)(nodes); - } - }, - - mediaFeatures: function () { - var entities = this.entities, features = [], e; - do { - e = this.mediaFeature(); - if (e) { - features.push(e); - if (! parserInput.$char(',')) { break; } - } else { - e = entities.variable(); - if (e) { - features.push(e); - if (! parserInput.$char(',')) { break; } - } - } - } while (e); - - return features.length > 0 ? features : null; - }, - - media: function () { - var features, rules, media, debugInfo, index = parserInput.i; - - if (context.dumpLineNumbers) { - debugInfo = getDebugInfo(index); - } - - parserInput.save(); - - if (parserInput.$str("@media")) { - features = this.mediaFeatures(); - - rules = this.block(); - - if (!rules) { - error("media definitions require block statements after any features"); - } - - parserInput.forget(); - - media = new(tree.Media)(rules, features, index, fileInfo); - if (context.dumpLineNumbers) { - media.debugInfo = debugInfo; - } - - return media; - } - - parserInput.restore(); - }, - - // - // A @plugin directive, used to import compiler extensions dynamically. - // - // @plugin "lib"; - // - // Depending on our environment, importing is done differently: - // In the browser, it's an XHR request, in Node, it would be a - // file-system operation. The function used for importing is - // stored in `import`, which we pass to the Import constructor. - // - plugin: function () { - var path, - index = parserInput.i, - dir = parserInput.$re(/^@plugin?\s+/); - - if (dir) { - var options = { plugin : true }; - - if ((path = this.entities.quoted() || this.entities.url())) { - - if (!parserInput.$char(';')) { - parserInput.i = index; - error("missing semi-colon on plugin"); - } - - return new(tree.Import)(path, null, options, index, fileInfo); - } - else { - parserInput.i = index; - error("malformed plugin statement"); - } - } - }, - - // - // A CSS Directive - // - // @charset "utf-8"; - // - directive: function () { - var index = parserInput.i, name, value, rules, nonVendorSpecificName, - hasIdentifier, hasExpression, hasUnknown, hasBlock = true, isRooted = true; - - if (parserInput.currentChar() !== '@') { return; } - - value = this['import']() || this.plugin() || this.media(); - if (value) { - return value; - } - - parserInput.save(); - - name = parserInput.$re(/^@[a-z-]+/); - - if (!name) { return; } - - nonVendorSpecificName = name; - if (name.charAt(1) == '-' && name.indexOf('-', 2) > 0) { - nonVendorSpecificName = "@" + name.slice(name.indexOf('-', 2) + 1); - } - - switch(nonVendorSpecificName) { - case "@charset": - hasIdentifier = true; - hasBlock = false; - break; - case "@namespace": - hasExpression = true; - hasBlock = false; - break; - case "@keyframes": - case "@counter-style": - hasIdentifier = true; - break; - case "@document": - case "@supports": - hasUnknown = true; - isRooted = false; - break; - default: - hasUnknown = true; - break; - } - - parserInput.commentStore.length = 0; - - if (hasIdentifier) { - value = this.entity(); - if (!value) { - error("expected " + name + " identifier"); - } - } else if (hasExpression) { - value = this.expression(); - if (!value) { - error("expected " + name + " expression"); - } - } else if (hasUnknown) { - value = (parserInput.$re(/^[^{;]+/) || '').trim(); - hasBlock = (parserInput.currentChar() == '{'); - if (value) { - value = new(tree.Anonymous)(value); - } - } - - if (hasBlock) { - rules = this.blockRuleset(); - } - - if (rules || (!hasBlock && value && parserInput.$char(';'))) { - parserInput.forget(); - return new (tree.Directive)(name, value, rules, index, fileInfo, - context.dumpLineNumbers ? getDebugInfo(index) : null, - isRooted - ); - } - - parserInput.restore("directive options not recognised"); - }, - - // - // A Value is a comma-delimited list of Expressions - // - // font-family: Baskerville, Georgia, serif; - // - // In a Rule, a Value represents everything after the `:`, - // and before the `;`. - // - value: function () { - var e, expressions = []; - - do { - e = this.expression(); - if (e) { - expressions.push(e); - if (! parserInput.$char(',')) { break; } - } - } while (e); - - if (expressions.length > 0) { - return new(tree.Value)(expressions); - } - }, - important: function () { - if (parserInput.currentChar() === '!') { - return parserInput.$re(/^! *important/); - } - }, - sub: function () { - var a, e; - - parserInput.save(); - if (parserInput.$char('(')) { - a = this.addition(); - if (a && parserInput.$char(')')) { - parserInput.forget(); - e = new(tree.Expression)([a]); - e.parens = true; - return e; - } - parserInput.restore("Expected ')'"); - return; - } - parserInput.restore(); - }, - multiplication: function () { - var m, a, op, operation, isSpaced; - m = this.operand(); - if (m) { - isSpaced = parserInput.isWhitespace(-1); - while (true) { - if (parserInput.peek(/^\/[*\/]/)) { - break; - } - - parserInput.save(); - - op = parserInput.$char('/') || parserInput.$char('*'); - - if (!op) { parserInput.forget(); break; } - - a = this.operand(); - - if (!a) { parserInput.restore(); break; } - parserInput.forget(); - - m.parensInOp = true; - a.parensInOp = true; - operation = new(tree.Operation)(op, [operation || m, a], isSpaced); - isSpaced = parserInput.isWhitespace(-1); - } - return operation || m; - } - }, - addition: function () { - var m, a, op, operation, isSpaced; - m = this.multiplication(); - if (m) { - isSpaced = parserInput.isWhitespace(-1); - while (true) { - op = parserInput.$re(/^[-+]\s+/) || (!isSpaced && (parserInput.$char('+') || parserInput.$char('-'))); - if (!op) { - break; - } - a = this.multiplication(); - if (!a) { - break; - } - - m.parensInOp = true; - a.parensInOp = true; - operation = new(tree.Operation)(op, [operation || m, a], isSpaced); - isSpaced = parserInput.isWhitespace(-1); - } - return operation || m; - } - }, - conditions: function () { - var a, b, index = parserInput.i, condition; - - a = this.condition(); - if (a) { - while (true) { - if (!parserInput.peek(/^,\s*(not\s*)?\(/) || !parserInput.$char(',')) { - break; - } - b = this.condition(); - if (!b) { - break; - } - condition = new(tree.Condition)('or', condition || a, b, index); - } - return condition || a; - } - }, - condition: function () { - var result, logical, next; - function or() { - return parserInput.$str("or"); - } - - result = this.conditionAnd(this); - if (!result) { - return ; - } - logical = or(); - if (logical) { - next = this.condition(); - if (next) { - result = new(tree.Condition)(logical, result, next); - } else { - return ; - } - } - return result; - }, - conditionAnd: function () { - var result, logical, next; - function insideCondition(me) { - return me.negatedCondition() || me.parenthesisCondition(); - } - function and() { - return parserInput.$str("and"); - } - - result = insideCondition(this); - if (!result) { - return ; - } - logical = and(); - if (logical) { - next = this.conditionAnd(); - if (next) { - result = new(tree.Condition)(logical, result, next); - } else { - return ; - } - } - return result; - }, - negatedCondition: function () { - if (parserInput.$str("not")) { - var result = this.parenthesisCondition(); - if (result) { - result.negate = !result.negate; - } - return result; - } - }, - parenthesisCondition: function () { - function tryConditionFollowedByParenthesis(me) { - var body; - parserInput.save(); - body = me.condition(); - if (!body) { - parserInput.restore(); - return ; - } - if (!parserInput.$char(')')) { - parserInput.restore(); - return ; - } - parserInput.forget(); - return body; - } - - var body; - parserInput.save(); - if (!parserInput.$str("(")) { - parserInput.restore(); - return ; - } - body = tryConditionFollowedByParenthesis(this); - if (body) { - parserInput.forget(); - return body; - } - - body = this.atomicCondition(); - if (!body) { - parserInput.restore(); - return ; - } - if (!parserInput.$char(')')) { - parserInput.restore("expected ')' got '" + parserInput.currentChar() + "'"); - return ; - } - parserInput.forget(); - return body; - }, - atomicCondition: function () { - var entities = this.entities, index = parserInput.i, a, b, c, op; - - a = this.addition() || entities.keyword() || entities.quoted(); - if (a) { - if (parserInput.$char('>')) { - if (parserInput.$char('=')) { - op = ">="; - } else { - op = '>'; - } - } else - if (parserInput.$char('<')) { - if (parserInput.$char('=')) { - op = "<="; - } else { - op = '<'; - } - } else - if (parserInput.$char('=')) { - if (parserInput.$char('>')) { - op = "=>"; - } else if (parserInput.$char('<')) { - op = '=<'; - } else { - op = '='; - } - } - if (op) { - b = this.addition() || entities.keyword() || entities.quoted(); - if (b) { - c = new(tree.Condition)(op, a, b, index, false); - } else { - error('expected expression'); - } - } else { - c = new(tree.Condition)('=', a, new(tree.Keyword)('true'), index, false); - } - return c; - } - }, - - // - // An operand is anything that can be part of an operation, - // such as a Color, or a Variable - // - operand: function () { - var entities = this.entities, negate; - - if (parserInput.peek(/^-[@\(]/)) { - negate = parserInput.$char('-'); - } - - var o = this.sub() || entities.dimension() || - entities.color() || entities.variable() || - entities.call() || entities.colorKeyword(); - - if (negate) { - o.parensInOp = true; - o = new(tree.Negative)(o); - } - - return o; - }, - - // - // Expressions either represent mathematical operations, - // or white-space delimited Entities. - // - // 1px solid black - // @var * 2 - // - expression: function () { - var entities = [], e, delim; - - do { - e = this.comment(); - if (e) { - entities.push(e); - continue; - } - e = this.addition() || this.entity(); - if (e) { - entities.push(e); - // operations do not allow keyword "/" dimension (e.g. small/20px) so we support that here - if (!parserInput.peek(/^\/[\/*]/)) { - delim = parserInput.$char('/'); - if (delim) { - entities.push(new(tree.Anonymous)(delim)); - } - } - } - } while (e); - if (entities.length > 0) { - return new(tree.Expression)(entities); - } - }, - property: function () { - var name = parserInput.$re(/^(\*?-?[_a-zA-Z0-9-]+)\s*:/); - if (name) { - return name[1]; - } - }, - ruleProperty: function () { - var name = [], index = [], s, k; - - parserInput.save(); - - var simpleProperty = parserInput.$re(/^([_a-zA-Z0-9-]+)\s*:/); - if (simpleProperty) { - name = [new(tree.Keyword)(simpleProperty[1])]; - parserInput.forget(); - return name; - } - - function match(re) { - var i = parserInput.i, - chunk = parserInput.$re(re); - if (chunk) { - index.push(i); - return name.push(chunk[1]); - } - } - - match(/^(\*?)/); - while (true) { - if (!match(/^((?:[\w-]+)|(?:@\{[\w-]+\}))/)) { - break; - } - } - - if ((name.length > 1) && match(/^((?:\+_|\+)?)\s*:/)) { - parserInput.forget(); - - // at last, we have the complete match now. move forward, - // convert name particles to tree objects and return: - if (name[0] === '') { - name.shift(); - index.shift(); - } - for (k = 0; k < name.length; k++) { - s = name[k]; - name[k] = (s.charAt(0) !== '@') ? - new(tree.Keyword)(s) : - new(tree.Variable)('@' + s.slice(2, -1), - index[k], fileInfo); - } - return name; - } - parserInput.restore(); - } - } - }; -}; -Parser.serializeVars = function(vars) { - var s = ''; - - for (var name in vars) { - if (Object.hasOwnProperty.call(vars, name)) { - var value = vars[name]; - s += ((name[0] === '@') ? '' : '@') + name + ': ' + value + - ((String(value).slice(-1) === ';') ? '' : ';'); - } - } - - return s; -}; - -module.exports = Parser; - -},{"../less-error":32,"../tree":62,"../utils":83,"../visitors":87,"./parser-input":37}],39:[function(require,module,exports){ -/** - * Plugin Manager - */ -var PluginManager = function(less) { - this.less = less; - this.visitors = []; - this.preProcessors = []; - this.postProcessors = []; - this.installedPlugins = []; - this.fileManagers = []; -}; -/** - * Adds all the plugins in the array - * @param {Array} plugins - */ -PluginManager.prototype.addPlugins = function(plugins) { - if (plugins) { - for (var i = 0; i < plugins.length; i++) { - this.addPlugin(plugins[i]); - } - } -}; -/** - * - * @param plugin - */ -PluginManager.prototype.addPlugin = function(plugin) { - this.installedPlugins.push(plugin); - plugin.install(this.less, this); -}; -/** - * Adds a visitor. The visitor object has options on itself to determine - * when it should run. - * @param visitor - */ -PluginManager.prototype.addVisitor = function(visitor) { - this.visitors.push(visitor); -}; -/** - * Adds a pre processor object - * @param {object} preProcessor - * @param {number} priority - guidelines 1 = before import, 1000 = import, 2000 = after import - */ -PluginManager.prototype.addPreProcessor = function(preProcessor, priority) { - var indexToInsertAt; - for (indexToInsertAt = 0; indexToInsertAt < this.preProcessors.length; indexToInsertAt++) { - if (this.preProcessors[indexToInsertAt].priority >= priority) { - break; - } - } - this.preProcessors.splice(indexToInsertAt, 0, {preProcessor: preProcessor, priority: priority}); -}; -/** - * Adds a post processor object - * @param {object} postProcessor - * @param {number} priority - guidelines 1 = before compression, 1000 = compression, 2000 = after compression - */ -PluginManager.prototype.addPostProcessor = function(postProcessor, priority) { - var indexToInsertAt; - for (indexToInsertAt = 0; indexToInsertAt < this.postProcessors.length; indexToInsertAt++) { - if (this.postProcessors[indexToInsertAt].priority >= priority) { - break; - } - } - this.postProcessors.splice(indexToInsertAt, 0, {postProcessor: postProcessor, priority: priority}); -}; -/** - * - * @param manager - */ -PluginManager.prototype.addFileManager = function(manager) { - this.fileManagers.push(manager); -}; -/** - * - * @returns {Array} - * @private - */ -PluginManager.prototype.getPreProcessors = function() { - var preProcessors = []; - for (var i = 0; i < this.preProcessors.length; i++) { - preProcessors.push(this.preProcessors[i].preProcessor); - } - return preProcessors; -}; -/** - * - * @returns {Array} - * @private - */ -PluginManager.prototype.getPostProcessors = function() { - var postProcessors = []; - for (var i = 0; i < this.postProcessors.length; i++) { - postProcessors.push(this.postProcessors[i].postProcessor); - } - return postProcessors; -}; -/** - * - * @returns {Array} - * @private - */ -PluginManager.prototype.getVisitors = function() { - return this.visitors; -}; -/** - * - * @returns {Array} - * @private - */ -PluginManager.prototype.getFileManagers = function() { - return this.fileManagers; -}; -module.exports = PluginManager; - -},{}],40:[function(require,module,exports){ -var LessError = require('../less-error'), - tree = require("../tree"); - -var FunctionImporter = module.exports = function FunctionImporter(context, fileInfo) { - this.fileInfo = fileInfo; -}; - -FunctionImporter.prototype.eval = function(contents, callback) { - var loaded = {}, - loader, - registry; - - registry = { - add: function(name, func) { - loaded[name] = func; - }, - addMultiple: function(functions) { - Object.keys(functions).forEach(function(name) { - loaded[name] = functions[name]; - }); - } - }; - - try { - loader = new Function("functions", "tree", "fileInfo", contents); - loader(registry, tree, this.fileInfo); - } catch(e) { - callback(new LessError({ - message: "Plugin evaluation error: '" + e.name + ': ' + e.message.replace(/["]/g, "'") + "'" , - filename: this.fileInfo.filename - }), null ); - } - - callback(null, { functions: loaded }); -}; - -},{"../less-error":32,"../tree":62}],41:[function(require,module,exports){ -var PromiseConstructor; - -module.exports = function(environment, ParseTree, ImportManager) { - var render = function (input, options, callback) { - if (typeof options === 'function') { - callback = options; - options = {}; - } - - if (!callback) { - if (!PromiseConstructor) { - PromiseConstructor = typeof Promise === 'undefined' ? require('promise') : Promise; - } - var self = this; - return new PromiseConstructor(function (resolve, reject) { - render.call(self, input, options, function(err, output) { - if (err) { - reject(err); - } else { - resolve(output); - } - }); - }); - } else { - this.parse(input, options, function(err, root, imports, options) { - if (err) { return callback(err); } - - var result; - try { - var parseTree = new ParseTree(root, imports); - result = parseTree.toCSS(options); - } - catch (err) { return callback(err); } - - callback(null, result); - }); - } - }; - - return render; -}; - -},{"promise":undefined}],42:[function(require,module,exports){ -module.exports = function (SourceMapOutput, environment) { - - var SourceMapBuilder = function (options) { - this.options = options; - }; - - SourceMapBuilder.prototype.toCSS = function(rootNode, options, imports) { - var sourceMapOutput = new SourceMapOutput( - { - contentsIgnoredCharsMap: imports.contentsIgnoredChars, - rootNode: rootNode, - contentsMap: imports.contents, - sourceMapFilename: this.options.sourceMapFilename, - sourceMapURL: this.options.sourceMapURL, - outputFilename: this.options.sourceMapOutputFilename, - sourceMapBasepath: this.options.sourceMapBasepath, - sourceMapRootpath: this.options.sourceMapRootpath, - outputSourceFiles: this.options.outputSourceFiles, - sourceMapGenerator: this.options.sourceMapGenerator, - sourceMapFileInline: this.options.sourceMapFileInline - }); - - var css = sourceMapOutput.toCSS(options); - this.sourceMap = sourceMapOutput.sourceMap; - this.sourceMapURL = sourceMapOutput.sourceMapURL; - if (this.options.sourceMapInputFilename) { - this.sourceMapInputFilename = sourceMapOutput.normalizeFilename(this.options.sourceMapInputFilename); - } - return css + this.getCSSAppendage(); - }; - - SourceMapBuilder.prototype.getCSSAppendage = function() { - - var sourceMapURL = this.sourceMapURL; - if (this.options.sourceMapFileInline) { - if (this.sourceMap === undefined) { - return ""; - } - sourceMapURL = "data:application/json;base64," + environment.encodeBase64(this.sourceMap); - } - - if (sourceMapURL) { - return "/*# sourceMappingURL=" + sourceMapURL + " */"; - } - return ""; - }; - - SourceMapBuilder.prototype.getExternalSourceMap = function() { - return this.sourceMap; - }; - SourceMapBuilder.prototype.setExternalSourceMap = function(sourceMap) { - this.sourceMap = sourceMap; - }; - - SourceMapBuilder.prototype.isInline = function() { - return this.options.sourceMapFileInline; - }; - SourceMapBuilder.prototype.getSourceMapURL = function() { - return this.sourceMapURL; - }; - SourceMapBuilder.prototype.getOutputFilename = function() { - return this.options.sourceMapOutputFilename; - }; - SourceMapBuilder.prototype.getInputFilename = function() { - return this.sourceMapInputFilename; - }; - - return SourceMapBuilder; -}; - -},{}],43:[function(require,module,exports){ -module.exports = function (environment) { - - var SourceMapOutput = function (options) { - this._css = []; - this._rootNode = options.rootNode; - this._contentsMap = options.contentsMap; - this._contentsIgnoredCharsMap = options.contentsIgnoredCharsMap; - if (options.sourceMapFilename) { - this._sourceMapFilename = options.sourceMapFilename.replace(/\\/g, '/'); - } - this._outputFilename = options.outputFilename; - this.sourceMapURL = options.sourceMapURL; - if (options.sourceMapBasepath) { - this._sourceMapBasepath = options.sourceMapBasepath.replace(/\\/g, '/'); - } - if (options.sourceMapRootpath) { - this._sourceMapRootpath = options.sourceMapRootpath.replace(/\\/g, '/'); - if (this._sourceMapRootpath.charAt(this._sourceMapRootpath.length - 1) !== '/') { - this._sourceMapRootpath += '/'; - } - } else { - this._sourceMapRootpath = ""; - } - this._outputSourceFiles = options.outputSourceFiles; - this._sourceMapGeneratorConstructor = environment.getSourceMapGenerator(); - - this._lineNumber = 0; - this._column = 0; - }; - - SourceMapOutput.prototype.normalizeFilename = function(filename) { - filename = filename.replace(/\\/g, '/'); - - if (this._sourceMapBasepath && filename.indexOf(this._sourceMapBasepath) === 0) { - filename = filename.substring(this._sourceMapBasepath.length); - if (filename.charAt(0) === '\\' || filename.charAt(0) === '/') { - filename = filename.substring(1); - } - } - return (this._sourceMapRootpath || "") + filename; - }; - - SourceMapOutput.prototype.add = function(chunk, fileInfo, index, mapLines) { - - //ignore adding empty strings - if (!chunk) { - return; - } - - var lines, - sourceLines, - columns, - sourceColumns, - i; - - if (fileInfo) { - var inputSource = this._contentsMap[fileInfo.filename]; - - // remove vars/banner added to the top of the file - if (this._contentsIgnoredCharsMap[fileInfo.filename]) { - // adjust the index - index -= this._contentsIgnoredCharsMap[fileInfo.filename]; - if (index < 0) { index = 0; } - // adjust the source - inputSource = inputSource.slice(this._contentsIgnoredCharsMap[fileInfo.filename]); - } - inputSource = inputSource.substring(0, index); - sourceLines = inputSource.split("\n"); - sourceColumns = sourceLines[sourceLines.length - 1]; - } - - lines = chunk.split("\n"); - columns = lines[lines.length - 1]; - - if (fileInfo) { - if (!mapLines) { - this._sourceMapGenerator.addMapping({ generated: { line: this._lineNumber + 1, column: this._column}, - original: { line: sourceLines.length, column: sourceColumns.length}, - source: this.normalizeFilename(fileInfo.filename)}); - } else { - for (i = 0; i < lines.length; i++) { - this._sourceMapGenerator.addMapping({ generated: { line: this._lineNumber + i + 1, column: i === 0 ? this._column : 0}, - original: { line: sourceLines.length + i, column: i === 0 ? sourceColumns.length : 0}, - source: this.normalizeFilename(fileInfo.filename)}); - } - } - } - - if (lines.length === 1) { - this._column += columns.length; - } else { - this._lineNumber += lines.length - 1; - this._column = columns.length; - } - - this._css.push(chunk); - }; - - SourceMapOutput.prototype.isEmpty = function() { - return this._css.length === 0; - }; - - SourceMapOutput.prototype.toCSS = function(context) { - this._sourceMapGenerator = new this._sourceMapGeneratorConstructor({ file: this._outputFilename, sourceRoot: null }); - - if (this._outputSourceFiles) { - for (var filename in this._contentsMap) { - if (this._contentsMap.hasOwnProperty(filename)) { - var source = this._contentsMap[filename]; - if (this._contentsIgnoredCharsMap[filename]) { - source = source.slice(this._contentsIgnoredCharsMap[filename]); - } - this._sourceMapGenerator.setSourceContent(this.normalizeFilename(filename), source); - } - } - } - - this._rootNode.genCSS(context, this); - - if (this._css.length > 0) { - var sourceMapURL, - sourceMapContent = JSON.stringify(this._sourceMapGenerator.toJSON()); - - if (this.sourceMapURL) { - sourceMapURL = this.sourceMapURL; - } else if (this._sourceMapFilename) { - sourceMapURL = this._sourceMapFilename; - } - this.sourceMapURL = sourceMapURL; - - this.sourceMap = sourceMapContent; - } - - return this._css.join(''); - }; - - return SourceMapOutput; -}; - -},{}],44:[function(require,module,exports){ -var contexts = require("./contexts"), - visitor = require("./visitors"), - tree = require("./tree"); - -module.exports = function(root, options) { - options = options || {}; - var evaldRoot, - variables = options.variables, - evalEnv = new contexts.Eval(options); - - // - // Allows setting variables with a hash, so: - // - // `{ color: new tree.Color('#f01') }` will become: - // - // new tree.Rule('@color', - // new tree.Value([ - // new tree.Expression([ - // new tree.Color('#f01') - // ]) - // ]) - // ) - // - if (typeof variables === 'object' && !Array.isArray(variables)) { - variables = Object.keys(variables).map(function (k) { - var value = variables[k]; - - if (! (value instanceof tree.Value)) { - if (! (value instanceof tree.Expression)) { - value = new tree.Expression([value]); - } - value = new tree.Value([value]); - } - return new tree.Rule('@' + k, value, false, null, 0); - }); - evalEnv.frames = [new tree.Ruleset(null, variables)]; - } - - var preEvalVisitors = [], - visitors = [ - new visitor.JoinSelectorVisitor(), - new visitor.MarkVisibleSelectorsVisitor(true), - new visitor.ExtendVisitor(), - new visitor.ToCSSVisitor({compress: Boolean(options.compress)}) - ], i; - - if (options.pluginManager) { - var pluginVisitors = options.pluginManager.getVisitors(); - for (i = 0; i < pluginVisitors.length; i++) { - var pluginVisitor = pluginVisitors[i]; - if (pluginVisitor.isPreEvalVisitor) { - preEvalVisitors.push(pluginVisitor); - } else { - if (pluginVisitor.isPreVisitor) { - visitors.splice(0, 0, pluginVisitor); - } else { - visitors.push(pluginVisitor); - } - } - } - } - - for (i = 0; i < preEvalVisitors.length; i++) { - preEvalVisitors[i].run(root); - } - - evaldRoot = root.eval(evalEnv); - - for (i = 0; i < visitors.length; i++) { - visitors[i].run(evaldRoot); - } - - return evaldRoot; -}; - -},{"./contexts":11,"./tree":62,"./visitors":87}],45:[function(require,module,exports){ -var Node = require("./node"); - -var Alpha = function (val) { - this.value = val; -}; -Alpha.prototype = new Node(); -Alpha.prototype.type = "Alpha"; - -Alpha.prototype.accept = function (visitor) { - this.value = visitor.visit(this.value); -}; -Alpha.prototype.eval = function (context) { - if (this.value.eval) { return new Alpha(this.value.eval(context)); } - return this; -}; -Alpha.prototype.genCSS = function (context, output) { - output.add("alpha(opacity="); - - if (this.value.genCSS) { - this.value.genCSS(context, output); - } else { - output.add(this.value); - } - - output.add(")"); -}; - -module.exports = Alpha; - -},{"./node":70}],46:[function(require,module,exports){ -var Node = require("./node"); - -var Anonymous = function (value, index, currentFileInfo, mapLines, rulesetLike, visibilityInfo) { - this.value = value; - this.index = index; - this.mapLines = mapLines; - this.currentFileInfo = currentFileInfo; - this.rulesetLike = (typeof rulesetLike === 'undefined') ? false : rulesetLike; - this.allowRoot = true; - this.copyVisibilityInfo(visibilityInfo); -}; -Anonymous.prototype = new Node(); -Anonymous.prototype.type = "Anonymous"; -Anonymous.prototype.eval = function () { - return new Anonymous(this.value, this.index, this.currentFileInfo, this.mapLines, this.rulesetLike, this.visibilityInfo()); -}; -Anonymous.prototype.compare = function (other) { - return other.toCSS && this.toCSS() === other.toCSS() ? 0 : undefined; -}; -Anonymous.prototype.isRulesetLike = function() { - return this.rulesetLike; -}; -Anonymous.prototype.genCSS = function (context, output) { - output.add(this.value, this.currentFileInfo, this.index, this.mapLines); -}; -module.exports = Anonymous; - -},{"./node":70}],47:[function(require,module,exports){ -var Node = require("./node"); - -var Assignment = function (key, val) { - this.key = key; - this.value = val; -}; - -Assignment.prototype = new Node(); -Assignment.prototype.type = "Assignment"; -Assignment.prototype.accept = function (visitor) { - this.value = visitor.visit(this.value); -}; -Assignment.prototype.eval = function (context) { - if (this.value.eval) { - return new Assignment(this.key, this.value.eval(context)); - } - return this; -}; -Assignment.prototype.genCSS = function (context, output) { - output.add(this.key + '='); - if (this.value.genCSS) { - this.value.genCSS(context, output); - } else { - output.add(this.value); - } -}; -module.exports = Assignment; - -},{"./node":70}],48:[function(require,module,exports){ -var Node = require("./node"); - -var Attribute = function (key, op, value) { - this.key = key; - this.op = op; - this.value = value; -}; -Attribute.prototype = new Node(); -Attribute.prototype.type = "Attribute"; -Attribute.prototype.eval = function (context) { - return new Attribute(this.key.eval ? this.key.eval(context) : this.key, - this.op, (this.value && this.value.eval) ? this.value.eval(context) : this.value); -}; -Attribute.prototype.genCSS = function (context, output) { - output.add(this.toCSS(context)); -}; -Attribute.prototype.toCSS = function (context) { - var value = this.key.toCSS ? this.key.toCSS(context) : this.key; - - if (this.op) { - value += this.op; - value += (this.value.toCSS ? this.value.toCSS(context) : this.value); - } - - return '[' + value + ']'; -}; -module.exports = Attribute; - -},{"./node":70}],49:[function(require,module,exports){ -var Node = require("./node"), - FunctionCaller = require("../functions/function-caller"); -// -// A function call node. -// -var Call = function (name, args, index, currentFileInfo) { - this.name = name; - this.args = args; - this.index = index; - this.currentFileInfo = currentFileInfo; -}; -Call.prototype = new Node(); -Call.prototype.type = "Call"; -Call.prototype.accept = function (visitor) { - if (this.args) { - this.args = visitor.visitArray(this.args); - } -}; -// -// When evaluating a function call, -// we either find the function in the functionRegistry, -// in which case we call it, passing the evaluated arguments, -// if this returns null or we cannot find the function, we -// simply print it out as it appeared originally [2]. -// -// The reason why we evaluate the arguments, is in the case where -// we try to pass a variable to a function, like: `saturate(@color)`. -// The function should receive the value, not the variable. -// -Call.prototype.eval = function (context) { - var args = this.args.map(function (a) { return a.eval(context); }), - result, funcCaller = new FunctionCaller(this.name, context, this.index, this.currentFileInfo); - - if (funcCaller.isValid()) { - try { - result = funcCaller.call(args); - } catch (e) { - throw { type: e.type || "Runtime", - message: "error evaluating function `" + this.name + "`" + - (e.message ? ': ' + e.message : ''), - index: this.index, filename: this.currentFileInfo.filename }; - } - - if (result != null) { - result.index = this.index; - result.currentFileInfo = this.currentFileInfo; - return result; - } - } - - return new Call(this.name, args, this.index, this.currentFileInfo); -}; -Call.prototype.genCSS = function (context, output) { - output.add(this.name + "(", this.currentFileInfo, this.index); - - for (var i = 0; i < this.args.length; i++) { - this.args[i].genCSS(context, output); - if (i + 1 < this.args.length) { - output.add(", "); - } - } - - output.add(")"); -}; -module.exports = Call; - -},{"../functions/function-caller":21,"./node":70}],50:[function(require,module,exports){ -var Node = require("./node"), - colors = require("../data/colors"); - -// -// RGB Colors - #ff0014, #eee -// -var Color = function (rgb, a, originalForm) { - // - // The end goal here, is to parse the arguments - // into an integer triplet, such as `128, 255, 0` - // - // This facilitates operations and conversions. - // - if (Array.isArray(rgb)) { - this.rgb = rgb; - } else if (rgb.length == 6) { - this.rgb = rgb.match(/.{2}/g).map(function (c) { - return parseInt(c, 16); - }); - } else { - this.rgb = rgb.split('').map(function (c) { - return parseInt(c + c, 16); - }); - } - this.alpha = typeof a === 'number' ? a : 1; - if (typeof originalForm !== 'undefined') { - this.value = originalForm; - } -}; - -Color.prototype = new Node(); -Color.prototype.type = "Color"; - -function clamp(v, max) { - return Math.min(Math.max(v, 0), max); -} - -function toHex(v) { - return '#' + v.map(function (c) { - c = clamp(Math.round(c), 255); - return (c < 16 ? '0' : '') + c.toString(16); - }).join(''); -} - -Color.prototype.luma = function () { - var r = this.rgb[0] / 255, - g = this.rgb[1] / 255, - b = this.rgb[2] / 255; - - r = (r <= 0.03928) ? r / 12.92 : Math.pow(((r + 0.055) / 1.055), 2.4); - g = (g <= 0.03928) ? g / 12.92 : Math.pow(((g + 0.055) / 1.055), 2.4); - b = (b <= 0.03928) ? b / 12.92 : Math.pow(((b + 0.055) / 1.055), 2.4); - - return 0.2126 * r + 0.7152 * g + 0.0722 * b; -}; -Color.prototype.genCSS = function (context, output) { - output.add(this.toCSS(context)); -}; -Color.prototype.toCSS = function (context, doNotCompress) { - var compress = context && context.compress && !doNotCompress, color, alpha; - - // `value` is set if this color was originally - // converted from a named color string so we need - // to respect this and try to output named color too. - if (this.value) { - return this.value; - } - - // If we have some transparency, the only way to represent it - // is via `rgba`. Otherwise, we use the hex representation, - // which has better compatibility with older browsers. - // Values are capped between `0` and `255`, rounded and zero-padded. - alpha = this.fround(context, this.alpha); - if (alpha < 1) { - return "rgba(" + this.rgb.map(function (c) { - return clamp(Math.round(c), 255); - }).concat(clamp(alpha, 1)) - .join(',' + (compress ? '' : ' ')) + ")"; - } - - color = this.toRGB(); - - if (compress) { - var splitcolor = color.split(''); - - // Convert color to short format - if (splitcolor[1] === splitcolor[2] && splitcolor[3] === splitcolor[4] && splitcolor[5] === splitcolor[6]) { - color = '#' + splitcolor[1] + splitcolor[3] + splitcolor[5]; - } - } - - return color; -}; - -// -// Operations have to be done per-channel, if not, -// channels will spill onto each other. Once we have -// our result, in the form of an integer triplet, -// we create a new Color node to hold the result. -// -Color.prototype.operate = function (context, op, other) { - var rgb = []; - var alpha = this.alpha * (1 - other.alpha) + other.alpha; - for (var c = 0; c < 3; c++) { - rgb[c] = this._operate(context, op, this.rgb[c], other.rgb[c]); - } - return new Color(rgb, alpha); -}; -Color.prototype.toRGB = function () { - return toHex(this.rgb); -}; -Color.prototype.toHSL = function () { - var r = this.rgb[0] / 255, - g = this.rgb[1] / 255, - b = this.rgb[2] / 255, - a = this.alpha; - - var max = Math.max(r, g, b), min = Math.min(r, g, b); - var h, s, l = (max + min) / 2, d = max - min; - - if (max === min) { - h = s = 0; - } else { - s = l > 0.5 ? d / (2 - max - min) : d / (max + min); - - switch (max) { - case r: h = (g - b) / d + (g < b ? 6 : 0); break; - case g: h = (b - r) / d + 2; break; - case b: h = (r - g) / d + 4; break; - } - h /= 6; - } - return { h: h * 360, s: s, l: l, a: a }; -}; -//Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript -Color.prototype.toHSV = function () { - var r = this.rgb[0] / 255, - g = this.rgb[1] / 255, - b = this.rgb[2] / 255, - a = this.alpha; - - var max = Math.max(r, g, b), min = Math.min(r, g, b); - var h, s, v = max; - - var d = max - min; - if (max === 0) { - s = 0; - } else { - s = d / max; - } - - if (max === min) { - h = 0; - } else { - switch(max) { - case r: h = (g - b) / d + (g < b ? 6 : 0); break; - case g: h = (b - r) / d + 2; break; - case b: h = (r - g) / d + 4; break; - } - h /= 6; - } - return { h: h * 360, s: s, v: v, a: a }; -}; -Color.prototype.toARGB = function () { - return toHex([this.alpha * 255].concat(this.rgb)); -}; -Color.prototype.compare = function (x) { - return (x.rgb && - x.rgb[0] === this.rgb[0] && - x.rgb[1] === this.rgb[1] && - x.rgb[2] === this.rgb[2] && - x.alpha === this.alpha) ? 0 : undefined; -}; - -Color.fromKeyword = function(keyword) { - var c, key = keyword.toLowerCase(); - if (colors.hasOwnProperty(key)) { - c = new Color(colors[key].slice(1)); - } - else if (key === "transparent") { - c = new Color([0, 0, 0], 0); - } - - if (c) { - c.value = keyword; - return c; - } -}; -module.exports = Color; - -},{"../data/colors":12,"./node":70}],51:[function(require,module,exports){ -var Node = require("./node"); - -var Combinator = function (value) { - if (value === ' ') { - this.value = ' '; - this.emptyOrWhitespace = true; - } else { - this.value = value ? value.trim() : ""; - this.emptyOrWhitespace = this.value === ""; - } -}; -Combinator.prototype = new Node(); -Combinator.prototype.type = "Combinator"; -var _noSpaceCombinators = { - '': true, - ' ': true, - '|': true -}; -Combinator.prototype.genCSS = function (context, output) { - var spaceOrEmpty = (context.compress || _noSpaceCombinators[this.value]) ? '' : ' '; - output.add(spaceOrEmpty + this.value + spaceOrEmpty); -}; -module.exports = Combinator; - -},{"./node":70}],52:[function(require,module,exports){ -var Node = require("./node"), - getDebugInfo = require("./debug-info"); - -var Comment = function (value, isLineComment, index, currentFileInfo) { - this.value = value; - this.isLineComment = isLineComment; - this.currentFileInfo = currentFileInfo; - this.allowRoot = true; -}; -Comment.prototype = new Node(); -Comment.prototype.type = "Comment"; -Comment.prototype.genCSS = function (context, output) { - if (this.debugInfo) { - output.add(getDebugInfo(context, this), this.currentFileInfo, this.index); - } - output.add(this.value); -}; -Comment.prototype.isSilent = function(context) { - var isCompressed = context.compress && this.value[2] !== "!"; - return this.isLineComment || isCompressed; -}; -module.exports = Comment; - -},{"./debug-info":54,"./node":70}],53:[function(require,module,exports){ -var Node = require("./node"); - -var Condition = function (op, l, r, i, negate) { - this.op = op.trim(); - this.lvalue = l; - this.rvalue = r; - this.index = i; - this.negate = negate; -}; -Condition.prototype = new Node(); -Condition.prototype.type = "Condition"; -Condition.prototype.accept = function (visitor) { - this.lvalue = visitor.visit(this.lvalue); - this.rvalue = visitor.visit(this.rvalue); -}; -Condition.prototype.eval = function (context) { - var result = (function (op, a, b) { - switch (op) { - case 'and': return a && b; - case 'or': return a || b; - default: - switch (Node.compare(a, b)) { - case -1: - return op === '<' || op === '=<' || op === '<='; - case 0: - return op === '=' || op === '>=' || op === '=<' || op === '<='; - case 1: - return op === '>' || op === '>='; - default: - return false; - } - } - })(this.op, this.lvalue.eval(context), this.rvalue.eval(context)); - - return this.negate ? !result : result; -}; -module.exports = Condition; - -},{"./node":70}],54:[function(require,module,exports){ -var debugInfo = function(context, ctx, lineSeparator) { - var result = ""; - if (context.dumpLineNumbers && !context.compress) { - switch(context.dumpLineNumbers) { - case 'comments': - result = debugInfo.asComment(ctx); - break; - case 'mediaquery': - result = debugInfo.asMediaQuery(ctx); - break; - case 'all': - result = debugInfo.asComment(ctx) + (lineSeparator || "") + debugInfo.asMediaQuery(ctx); - break; - } - } - return result; -}; - -debugInfo.asComment = function(ctx) { - return '/* line ' + ctx.debugInfo.lineNumber + ', ' + ctx.debugInfo.fileName + ' */\n'; -}; - -debugInfo.asMediaQuery = function(ctx) { - var filenameWithProtocol = ctx.debugInfo.fileName; - if (!/^[a-z]+:\/\//i.test(filenameWithProtocol)) { - filenameWithProtocol = 'file://' + filenameWithProtocol; - } - return '@media -sass-debug-info{filename{font-family:' + - filenameWithProtocol.replace(/([.:\/\\])/g, function (a) { - if (a == '\\') { - a = '\/'; - } - return '\\' + a; - }) + - '}line{font-family:\\00003' + ctx.debugInfo.lineNumber + '}}\n'; -}; - -module.exports = debugInfo; - -},{}],55:[function(require,module,exports){ -var Node = require("./node"), - contexts = require("../contexts"); - -var DetachedRuleset = function (ruleset, frames) { - this.ruleset = ruleset; - this.frames = frames; -}; -DetachedRuleset.prototype = new Node(); -DetachedRuleset.prototype.type = "DetachedRuleset"; -DetachedRuleset.prototype.evalFirst = true; -DetachedRuleset.prototype.accept = function (visitor) { - this.ruleset = visitor.visit(this.ruleset); -}; -DetachedRuleset.prototype.eval = function (context) { - var frames = this.frames || context.frames.slice(0); - return new DetachedRuleset(this.ruleset, frames); -}; -DetachedRuleset.prototype.callEval = function (context) { - return this.ruleset.eval(this.frames ? new contexts.Eval(context, this.frames.concat(context.frames)) : context); -}; -module.exports = DetachedRuleset; - -},{"../contexts":11,"./node":70}],56:[function(require,module,exports){ -var Node = require("./node"), - unitConversions = require("../data/unit-conversions"), - Unit = require("./unit"), - Color = require("./color"); - -// -// A number with a unit -// -var Dimension = function (value, unit) { - this.value = parseFloat(value); - this.unit = (unit && unit instanceof Unit) ? unit : - new Unit(unit ? [unit] : undefined); -}; - -Dimension.prototype = new Node(); -Dimension.prototype.type = "Dimension"; -Dimension.prototype.accept = function (visitor) { - this.unit = visitor.visit(this.unit); -}; -Dimension.prototype.eval = function (context) { - return this; -}; -Dimension.prototype.toColor = function () { - return new Color([this.value, this.value, this.value]); -}; -Dimension.prototype.genCSS = function (context, output) { - if ((context && context.strictUnits) && !this.unit.isSingular()) { - throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: " + this.unit.toString()); - } - - var value = this.fround(context, this.value), - strValue = String(value); - - if (value !== 0 && value < 0.000001 && value > -0.000001) { - // would be output 1e-6 etc. - strValue = value.toFixed(20).replace(/0+$/, ""); - } - - if (context && context.compress) { - // Zero values doesn't need a unit - if (value === 0 && this.unit.isLength()) { - output.add(strValue); - return; - } - - // Float values doesn't need a leading zero - if (value > 0 && value < 1) { - strValue = (strValue).substr(1); - } - } - - output.add(strValue); - this.unit.genCSS(context, output); -}; - -// In an operation between two Dimensions, -// we default to the first Dimension's unit, -// so `1px + 2` will yield `3px`. -Dimension.prototype.operate = function (context, op, other) { - /*jshint noempty:false */ - var value = this._operate(context, op, this.value, other.value), - unit = this.unit.clone(); - - if (op === '+' || op === '-') { - if (unit.numerator.length === 0 && unit.denominator.length === 0) { - unit = other.unit.clone(); - if (this.unit.backupUnit) { - unit.backupUnit = this.unit.backupUnit; - } - } else if (other.unit.numerator.length === 0 && unit.denominator.length === 0) { - // do nothing - } else { - other = other.convertTo(this.unit.usedUnits()); - - if (context.strictUnits && other.unit.toString() !== unit.toString()) { - throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '" + unit.toString() + - "' and '" + other.unit.toString() + "'."); - } - - value = this._operate(context, op, this.value, other.value); - } - } else if (op === '*') { - unit.numerator = unit.numerator.concat(other.unit.numerator).sort(); - unit.denominator = unit.denominator.concat(other.unit.denominator).sort(); - unit.cancel(); - } else if (op === '/') { - unit.numerator = unit.numerator.concat(other.unit.denominator).sort(); - unit.denominator = unit.denominator.concat(other.unit.numerator).sort(); - unit.cancel(); - } - return new Dimension(value, unit); -}; -Dimension.prototype.compare = function (other) { - var a, b; - - if (!(other instanceof Dimension)) { - return undefined; - } - - if (this.unit.isEmpty() || other.unit.isEmpty()) { - a = this; - b = other; - } else { - a = this.unify(); - b = other.unify(); - if (a.unit.compare(b.unit) !== 0) { - return undefined; - } - } - - return Node.numericCompare(a.value, b.value); -}; -Dimension.prototype.unify = function () { - return this.convertTo({ length: 'px', duration: 's', angle: 'rad' }); -}; -Dimension.prototype.convertTo = function (conversions) { - var value = this.value, unit = this.unit.clone(), - i, groupName, group, targetUnit, derivedConversions = {}, applyUnit; - - if (typeof conversions === 'string') { - for (i in unitConversions) { - if (unitConversions[i].hasOwnProperty(conversions)) { - derivedConversions = {}; - derivedConversions[i] = conversions; - } - } - conversions = derivedConversions; - } - applyUnit = function (atomicUnit, denominator) { - /* jshint loopfunc:true */ - if (group.hasOwnProperty(atomicUnit)) { - if (denominator) { - value = value / (group[atomicUnit] / group[targetUnit]); - } else { - value = value * (group[atomicUnit] / group[targetUnit]); - } - - return targetUnit; - } - - return atomicUnit; - }; - - for (groupName in conversions) { - if (conversions.hasOwnProperty(groupName)) { - targetUnit = conversions[groupName]; - group = unitConversions[groupName]; - - unit.map(applyUnit); - } - } - - unit.cancel(); - - return new Dimension(value, unit); -}; -module.exports = Dimension; - -},{"../data/unit-conversions":14,"./color":50,"./node":70,"./unit":79}],57:[function(require,module,exports){ -var Node = require("./node"), - Selector = require("./selector"), - Ruleset = require("./ruleset"); - -var Directive = function (name, value, rules, index, currentFileInfo, debugInfo, isRooted, visibilityInfo) { - var i; - - this.name = name; - this.value = value; - if (rules) { - if (Array.isArray(rules)) { - this.rules = rules; - } else { - this.rules = [rules]; - this.rules[0].selectors = (new Selector([], null, null, this.index, currentFileInfo)).createEmptySelectors(); - } - for (i = 0; i < this.rules.length; i++) { - this.rules[i].allowImports = true; - } - } - this.index = index; - this.currentFileInfo = currentFileInfo; - this.debugInfo = debugInfo; - this.isRooted = isRooted || false; - this.copyVisibilityInfo(visibilityInfo); - this.allowRoot = true; -}; - -Directive.prototype = new Node(); -Directive.prototype.type = "Directive"; -Directive.prototype.accept = function (visitor) { - var value = this.value, rules = this.rules; - if (rules) { - this.rules = visitor.visitArray(rules); - } - if (value) { - this.value = visitor.visit(value); - } -}; -Directive.prototype.isRulesetLike = function() { - return this.rules || !this.isCharset(); -}; -Directive.prototype.isCharset = function() { - return "@charset" === this.name; -}; -Directive.prototype.genCSS = function (context, output) { - var value = this.value, rules = this.rules; - output.add(this.name, this.currentFileInfo, this.index); - if (value) { - output.add(' '); - value.genCSS(context, output); - } - if (rules) { - this.outputRuleset(context, output, rules); - } else { - output.add(';'); - } -}; -Directive.prototype.eval = function (context) { - var mediaPathBackup, mediaBlocksBackup, value = this.value, rules = this.rules; - - //media stored inside other directive should not bubble over it - //backpup media bubbling information - mediaPathBackup = context.mediaPath; - mediaBlocksBackup = context.mediaBlocks; - //deleted media bubbling information - context.mediaPath = []; - context.mediaBlocks = []; - - if (value) { - value = value.eval(context); - } - if (rules) { - // assuming that there is only one rule at this point - that is how parser constructs the rule - rules = [rules[0].eval(context)]; - rules[0].root = true; - } - //restore media bubbling information - context.mediaPath = mediaPathBackup; - context.mediaBlocks = mediaBlocksBackup; - - return new Directive(this.name, value, rules, - this.index, this.currentFileInfo, this.debugInfo, this.isRooted, this.visibilityInfo()); -}; -Directive.prototype.variable = function (name) { - if (this.rules) { - // assuming that there is only one rule at this point - that is how parser constructs the rule - return Ruleset.prototype.variable.call(this.rules[0], name); - } -}; -Directive.prototype.find = function () { - if (this.rules) { - // assuming that there is only one rule at this point - that is how parser constructs the rule - return Ruleset.prototype.find.apply(this.rules[0], arguments); - } -}; -Directive.prototype.rulesets = function () { - if (this.rules) { - // assuming that there is only one rule at this point - that is how parser constructs the rule - return Ruleset.prototype.rulesets.apply(this.rules[0]); - } -}; -Directive.prototype.outputRuleset = function (context, output, rules) { - var ruleCnt = rules.length, i; - context.tabLevel = (context.tabLevel | 0) + 1; - - // Compressed - if (context.compress) { - output.add('{'); - for (i = 0; i < ruleCnt; i++) { - rules[i].genCSS(context, output); - } - output.add('}'); - context.tabLevel--; - return; - } - - // Non-compressed - var tabSetStr = '\n' + Array(context.tabLevel).join(" "), tabRuleStr = tabSetStr + " "; - if (!ruleCnt) { - output.add(" {" + tabSetStr + '}'); - } else { - output.add(" {" + tabRuleStr); - rules[0].genCSS(context, output); - for (i = 1; i < ruleCnt; i++) { - output.add(tabRuleStr); - rules[i].genCSS(context, output); - } - output.add(tabSetStr + '}'); - } - - context.tabLevel--; -}; -module.exports = Directive; - -},{"./node":70,"./ruleset":76,"./selector":77}],58:[function(require,module,exports){ -var Node = require("./node"), - Paren = require("./paren"), - Combinator = require("./combinator"); - -var Element = function (combinator, value, index, currentFileInfo, info) { - this.combinator = combinator instanceof Combinator ? - combinator : new Combinator(combinator); - - if (typeof value === 'string') { - this.value = value.trim(); - } else if (value) { - this.value = value; - } else { - this.value = ""; - } - this.index = index; - this.currentFileInfo = currentFileInfo; - this.copyVisibilityInfo(info); -}; -Element.prototype = new Node(); -Element.prototype.type = "Element"; -Element.prototype.accept = function (visitor) { - var value = this.value; - this.combinator = visitor.visit(this.combinator); - if (typeof value === "object") { - this.value = visitor.visit(value); - } -}; -Element.prototype.eval = function (context) { - return new Element(this.combinator, - this.value.eval ? this.value.eval(context) : this.value, - this.index, - this.currentFileInfo, this.visibilityInfo()); -}; -Element.prototype.clone = function () { - return new Element(this.combinator, - this.value, - this.index, - this.currentFileInfo, this.visibilityInfo()); -}; -Element.prototype.genCSS = function (context, output) { - output.add(this.toCSS(context), this.currentFileInfo, this.index); -}; -Element.prototype.toCSS = function (context) { - context = context || {}; - var value = this.value, firstSelector = context.firstSelector; - if (value instanceof Paren) { - // selector in parens should not be affected by outer selector - // flags (breaks only interpolated selectors - see #1973) - context.firstSelector = true; - } - value = value.toCSS ? value.toCSS(context) : value; - context.firstSelector = firstSelector; - if (value === '' && this.combinator.value.charAt(0) === '&') { - return ''; - } else { - return this.combinator.toCSS(context) + value; - } -}; -module.exports = Element; - -},{"./combinator":51,"./node":70,"./paren":72}],59:[function(require,module,exports){ -var Node = require("./node"), - Paren = require("./paren"), - Comment = require("./comment"); - -var Expression = function (value) { - this.value = value; - if (!value) { - throw new Error("Expression requires an array parameter"); - } -}; -Expression.prototype = new Node(); -Expression.prototype.type = "Expression"; -Expression.prototype.accept = function (visitor) { - this.value = visitor.visitArray(this.value); -}; -Expression.prototype.eval = function (context) { - var returnValue, - inParenthesis = this.parens && !this.parensInOp, - doubleParen = false; - if (inParenthesis) { - context.inParenthesis(); - } - if (this.value.length > 1) { - returnValue = new Expression(this.value.map(function (e) { - return e.eval(context); - })); - } else if (this.value.length === 1) { - if (this.value[0].parens && !this.value[0].parensInOp) { - doubleParen = true; - } - returnValue = this.value[0].eval(context); - } else { - returnValue = this; - } - if (inParenthesis) { - context.outOfParenthesis(); - } - if (this.parens && this.parensInOp && !(context.isMathOn()) && !doubleParen) { - returnValue = new Paren(returnValue); - } - return returnValue; -}; -Expression.prototype.genCSS = function (context, output) { - for (var i = 0; i < this.value.length; i++) { - this.value[i].genCSS(context, output); - if (i + 1 < this.value.length) { - output.add(" "); - } - } -}; -Expression.prototype.throwAwayComments = function () { - this.value = this.value.filter(function(v) { - return !(v instanceof Comment); - }); -}; -module.exports = Expression; - -},{"./comment":52,"./node":70,"./paren":72}],60:[function(require,module,exports){ -var Node = require("./node"), - Selector = require("./selector"); - -var Extend = function Extend(selector, option, index, currentFileInfo, visibilityInfo) { - this.selector = selector; - this.option = option; - this.index = index; - this.object_id = Extend.next_id++; - this.parent_ids = [this.object_id]; - this.currentFileInfo = currentFileInfo || {}; - this.copyVisibilityInfo(visibilityInfo); - this.allowRoot = true; - - switch(option) { - case "all": - this.allowBefore = true; - this.allowAfter = true; - break; - default: - this.allowBefore = false; - this.allowAfter = false; - break; - } -}; -Extend.next_id = 0; - -Extend.prototype = new Node(); -Extend.prototype.type = "Extend"; -Extend.prototype.accept = function (visitor) { - this.selector = visitor.visit(this.selector); -}; -Extend.prototype.eval = function (context) { - return new Extend(this.selector.eval(context), this.option, this.index, this.currentFileInfo, this.visibilityInfo()); -}; -Extend.prototype.clone = function (context) { - return new Extend(this.selector, this.option, this.index, this.currentFileInfo, this.visibilityInfo()); -}; -//it concatenates (joins) all selectors in selector array -Extend.prototype.findSelfSelectors = function (selectors) { - var selfElements = [], - i, - selectorElements; - - for (i = 0; i < selectors.length; i++) { - selectorElements = selectors[i].elements; - // duplicate the logic in genCSS function inside the selector node. - // future TODO - move both logics into the selector joiner visitor - if (i > 0 && selectorElements.length && selectorElements[0].combinator.value === "") { - selectorElements[0].combinator.value = ' '; - } - selfElements = selfElements.concat(selectors[i].elements); - } - - this.selfSelectors = [new Selector(selfElements)]; - this.selfSelectors[0].copyVisibilityInfo(this.visibilityInfo()); -}; -module.exports = Extend; - -},{"./node":70,"./selector":77}],61:[function(require,module,exports){ -var Node = require("./node"), - Media = require("./media"), - URL = require("./url"), - Quoted = require("./quoted"), - Ruleset = require("./ruleset"), - Anonymous = require("./anonymous"); - -// -// CSS @import node -// -// The general strategy here is that we don't want to wait -// for the parsing to be completed, before we start importing -// the file. That's because in the context of a browser, -// most of the time will be spent waiting for the server to respond. -// -// On creation, we push the import path to our import queue, though -// `import,push`, we also pass it a callback, which it'll call once -// the file has been fetched, and parsed. -// -var Import = function (path, features, options, index, currentFileInfo, visibilityInfo) { - this.options = options; - this.index = index; - this.path = path; - this.features = features; - this.currentFileInfo = currentFileInfo; - this.allowRoot = true; - - if (this.options.less !== undefined || this.options.inline) { - this.css = !this.options.less || this.options.inline; - } else { - var pathValue = this.getPath(); - if (pathValue && /[#\.\&\?\/]css([\?;].*)?$/.test(pathValue)) { - this.css = true; - } - } - this.copyVisibilityInfo(visibilityInfo); -}; - -// -// The actual import node doesn't return anything, when converted to CSS. -// The reason is that it's used at the evaluation stage, so that the rules -// it imports can be treated like any other rules. -// -// In `eval`, we make sure all Import nodes get evaluated, recursively, so -// we end up with a flat structure, which can easily be imported in the parent -// ruleset. -// -Import.prototype = new Node(); -Import.prototype.type = "Import"; -Import.prototype.accept = function (visitor) { - if (this.features) { - this.features = visitor.visit(this.features); - } - this.path = visitor.visit(this.path); - if (!this.options.plugin && !this.options.inline && this.root) { - this.root = visitor.visit(this.root); - } -}; -Import.prototype.genCSS = function (context, output) { - if (this.css && this.path.currentFileInfo.reference === undefined) { - output.add("@import ", this.currentFileInfo, this.index); - this.path.genCSS(context, output); - if (this.features) { - output.add(" "); - this.features.genCSS(context, output); - } - output.add(';'); - } -}; -Import.prototype.getPath = function () { - return (this.path instanceof URL) ? - this.path.value.value : this.path.value; -}; -Import.prototype.isVariableImport = function () { - var path = this.path; - if (path instanceof URL) { - path = path.value; - } - if (path instanceof Quoted) { - return path.containsVariables(); - } - - return true; -}; -Import.prototype.evalForImport = function (context) { - var path = this.path; - - if (path instanceof URL) { - path = path.value; - } - - return new Import(path.eval(context), this.features, this.options, this.index, this.currentFileInfo, this.visibilityInfo()); -}; -Import.prototype.evalPath = function (context) { - var path = this.path.eval(context); - var rootpath = this.currentFileInfo && this.currentFileInfo.rootpath; - - if (!(path instanceof URL)) { - if (rootpath) { - var pathValue = path.value; - // Add the base path if the import is relative - if (pathValue && context.isPathRelative(pathValue)) { - path.value = rootpath + pathValue; - } - } - path.value = context.normalizePath(path.value); - } - - return path; -}; -Import.prototype.eval = function (context) { - var result = this.doEval(context); - if (this.options.reference || this.blocksVisibility()) { - if (result.length || result.length === 0) { - result.forEach(function (node) { - node.addVisibilityBlock(); - } - ); - } else { - result.addVisibilityBlock(); - } - } - return result; -}; -Import.prototype.doEval = function (context) { - var ruleset, registry, - features = this.features && this.features.eval(context); - - if (this.options.plugin) { - registry = context.frames[0] && context.frames[0].functionRegistry; - if ( registry && this.root && this.root.functions ) { - registry.addMultiple( this.root.functions ); - } - return []; - } - - if (this.skip) { - if (typeof this.skip === "function") { - this.skip = this.skip(); - } - if (this.skip) { - return []; - } - } - if (this.options.inline) { - var contents = new Anonymous(this.root, 0, - { - filename: this.importedFilename, - reference: this.path.currentFileInfo && this.path.currentFileInfo.reference - }, true, true); - - return this.features ? new Media([contents], this.features.value) : [contents]; - } else if (this.css) { - var newImport = new Import(this.evalPath(context), features, this.options, this.index); - if (!newImport.css && this.error) { - throw this.error; - } - return newImport; - } else { - ruleset = new Ruleset(null, this.root.rules.slice(0)); - ruleset.evalImports(context); - - return this.features ? new Media(ruleset.rules, this.features.value) : ruleset.rules; - } -}; -module.exports = Import; - -},{"./anonymous":46,"./media":66,"./node":70,"./quoted":73,"./ruleset":76,"./url":80}],62:[function(require,module,exports){ -var tree = {}; - -tree.Node = require('./node'); -tree.Alpha = require('./alpha'); -tree.Color = require('./color'); -tree.Directive = require('./directive'); -tree.DetachedRuleset = require('./detached-ruleset'); -tree.Operation = require('./operation'); -tree.Dimension = require('./dimension'); -tree.Unit = require('./unit'); -tree.Keyword = require('./keyword'); -tree.Variable = require('./variable'); -tree.Ruleset = require('./ruleset'); -tree.Element = require('./element'); -tree.Attribute = require('./attribute'); -tree.Combinator = require('./combinator'); -tree.Selector = require('./selector'); -tree.Quoted = require('./quoted'); -tree.Expression = require('./expression'); -tree.Rule = require('./rule'); -tree.Call = require('./call'); -tree.URL = require('./url'); -tree.Import = require('./import'); -tree.mixin = { - Call: require('./mixin-call'), - Definition: require('./mixin-definition') -}; -tree.Comment = require('./comment'); -tree.Anonymous = require('./anonymous'); -tree.Value = require('./value'); -tree.JavaScript = require('./javascript'); -tree.Assignment = require('./assignment'); -tree.Condition = require('./condition'); -tree.Paren = require('./paren'); -tree.Media = require('./media'); -tree.UnicodeDescriptor = require('./unicode-descriptor'); -tree.Negative = require('./negative'); -tree.Extend = require('./extend'); -tree.RulesetCall = require('./ruleset-call'); - -module.exports = tree; - -},{"./alpha":45,"./anonymous":46,"./assignment":47,"./attribute":48,"./call":49,"./color":50,"./combinator":51,"./comment":52,"./condition":53,"./detached-ruleset":55,"./dimension":56,"./directive":57,"./element":58,"./expression":59,"./extend":60,"./import":61,"./javascript":63,"./keyword":65,"./media":66,"./mixin-call":67,"./mixin-definition":68,"./negative":69,"./node":70,"./operation":71,"./paren":72,"./quoted":73,"./rule":74,"./ruleset":76,"./ruleset-call":75,"./selector":77,"./unicode-descriptor":78,"./unit":79,"./url":80,"./value":81,"./variable":82}],63:[function(require,module,exports){ -var JsEvalNode = require("./js-eval-node"), - Dimension = require("./dimension"), - Quoted = require("./quoted"), - Anonymous = require("./anonymous"); - -var JavaScript = function (string, escaped, index, currentFileInfo) { - this.escaped = escaped; - this.expression = string; - this.index = index; - this.currentFileInfo = currentFileInfo; -}; -JavaScript.prototype = new JsEvalNode(); -JavaScript.prototype.type = "JavaScript"; -JavaScript.prototype.eval = function(context) { - var result = this.evaluateJavaScript(this.expression, context); - - if (typeof result === 'number') { - return new Dimension(result); - } else if (typeof result === 'string') { - return new Quoted('"' + result + '"', result, this.escaped, this.index); - } else if (Array.isArray(result)) { - return new Anonymous(result.join(', ')); - } else { - return new Anonymous(result); - } -}; - -module.exports = JavaScript; - -},{"./anonymous":46,"./dimension":56,"./js-eval-node":64,"./quoted":73}],64:[function(require,module,exports){ -var Node = require("./node"), - Variable = require("./variable"); - -var JsEvalNode = function() { -}; -JsEvalNode.prototype = new Node(); - -JsEvalNode.prototype.evaluateJavaScript = function (expression, context) { - var result, - that = this, - evalContext = {}; - - if (context.javascriptEnabled !== undefined && !context.javascriptEnabled) { - throw { message: "You are using JavaScript, which has been disabled.", - filename: this.currentFileInfo.filename, - index: this.index }; - } - - expression = expression.replace(/@\{([\w-]+)\}/g, function (_, name) { - return that.jsify(new Variable('@' + name, that.index, that.currentFileInfo).eval(context)); - }); - - try { - expression = new Function('return (' + expression + ')'); - } catch (e) { - throw { message: "JavaScript evaluation error: " + e.message + " from `" + expression + "`" , - filename: this.currentFileInfo.filename, - index: this.index }; - } - - var variables = context.frames[0].variables(); - for (var k in variables) { - if (variables.hasOwnProperty(k)) { - /*jshint loopfunc:true */ - evalContext[k.slice(1)] = { - value: variables[k].value, - toJS: function () { - return this.value.eval(context).toCSS(); - } - }; - } - } - - try { - result = expression.call(evalContext); - } catch (e) { - throw { message: "JavaScript evaluation error: '" + e.name + ': ' + e.message.replace(/["]/g, "'") + "'" , - filename: this.currentFileInfo.filename, - index: this.index }; - } - return result; -}; -JsEvalNode.prototype.jsify = function (obj) { - if (Array.isArray(obj.value) && (obj.value.length > 1)) { - return '[' + obj.value.map(function (v) { return v.toCSS(); }).join(', ') + ']'; - } else { - return obj.toCSS(); - } -}; - -module.exports = JsEvalNode; - -},{"./node":70,"./variable":82}],65:[function(require,module,exports){ -var Node = require("./node"); - -var Keyword = function (value) { this.value = value; }; -Keyword.prototype = new Node(); -Keyword.prototype.type = "Keyword"; -Keyword.prototype.genCSS = function (context, output) { - if (this.value === '%') { throw { type: "Syntax", message: "Invalid % without number" }; } - output.add(this.value); -}; - -Keyword.True = new Keyword('true'); -Keyword.False = new Keyword('false'); - -module.exports = Keyword; - -},{"./node":70}],66:[function(require,module,exports){ -var Ruleset = require("./ruleset"), - Value = require("./value"), - Selector = require("./selector"), - Anonymous = require("./anonymous"), - Expression = require("./expression"), - Directive = require("./directive"); - -var Media = function (value, features, index, currentFileInfo, visibilityInfo) { - this.index = index; - this.currentFileInfo = currentFileInfo; - - var selectors = (new Selector([], null, null, this.index, this.currentFileInfo)).createEmptySelectors(); - - this.features = new Value(features); - this.rules = [new Ruleset(selectors, value)]; - this.rules[0].allowImports = true; - this.copyVisibilityInfo(visibilityInfo); - this.allowRoot = true; -}; -Media.prototype = new Directive(); -Media.prototype.type = "Media"; -Media.prototype.isRulesetLike = true; -Media.prototype.accept = function (visitor) { - if (this.features) { - this.features = visitor.visit(this.features); - } - if (this.rules) { - this.rules = visitor.visitArray(this.rules); - } -}; -Media.prototype.genCSS = function (context, output) { - output.add('@media ', this.currentFileInfo, this.index); - this.features.genCSS(context, output); - this.outputRuleset(context, output, this.rules); -}; -Media.prototype.eval = function (context) { - if (!context.mediaBlocks) { - context.mediaBlocks = []; - context.mediaPath = []; - } - - var media = new Media(null, [], this.index, this.currentFileInfo, this.visibilityInfo()); - if (this.debugInfo) { - this.rules[0].debugInfo = this.debugInfo; - media.debugInfo = this.debugInfo; - } - var strictMathBypass = false; - if (!context.strictMath) { - strictMathBypass = true; - context.strictMath = true; - } - try { - media.features = this.features.eval(context); - } - finally { - if (strictMathBypass) { - context.strictMath = false; - } - } - - context.mediaPath.push(media); - context.mediaBlocks.push(media); - - this.rules[0].functionRegistry = context.frames[0].functionRegistry.inherit(); - context.frames.unshift(this.rules[0]); - media.rules = [this.rules[0].eval(context)]; - context.frames.shift(); - - context.mediaPath.pop(); - - return context.mediaPath.length === 0 ? media.evalTop(context) : - media.evalNested(context); -}; -Media.prototype.evalTop = function (context) { - var result = this; - - // Render all dependent Media blocks. - if (context.mediaBlocks.length > 1) { - var selectors = (new Selector([], null, null, this.index, this.currentFileInfo)).createEmptySelectors(); - result = new Ruleset(selectors, context.mediaBlocks); - result.multiMedia = true; - result.copyVisibilityInfo(this.visibilityInfo()); - } - - delete context.mediaBlocks; - delete context.mediaPath; - - return result; -}; -Media.prototype.evalNested = function (context) { - var i, value, - path = context.mediaPath.concat([this]); - - // Extract the media-query conditions separated with `,` (OR). - for (i = 0; i < path.length; i++) { - value = path[i].features instanceof Value ? - path[i].features.value : path[i].features; - path[i] = Array.isArray(value) ? value : [value]; - } - - // Trace all permutations to generate the resulting media-query. - // - // (a, b and c) with nested (d, e) -> - // a and d - // a and e - // b and c and d - // b and c and e - this.features = new Value(this.permute(path).map(function (path) { - path = path.map(function (fragment) { - return fragment.toCSS ? fragment : new Anonymous(fragment); - }); - - for (i = path.length - 1; i > 0; i--) { - path.splice(i, 0, new Anonymous("and")); - } - - return new Expression(path); - })); - - // Fake a tree-node that doesn't output anything. - return new Ruleset([], []); -}; -Media.prototype.permute = function (arr) { - if (arr.length === 0) { - return []; - } else if (arr.length === 1) { - return arr[0]; - } else { - var result = []; - var rest = this.permute(arr.slice(1)); - for (var i = 0; i < rest.length; i++) { - for (var j = 0; j < arr[0].length; j++) { - result.push([arr[0][j]].concat(rest[i])); - } - } - return result; - } -}; -Media.prototype.bubbleSelectors = function (selectors) { - if (!selectors) { - return; - } - this.rules = [new Ruleset(selectors.slice(0), [this.rules[0]])]; -}; -module.exports = Media; - -},{"./anonymous":46,"./directive":57,"./expression":59,"./ruleset":76,"./selector":77,"./value":81}],67:[function(require,module,exports){ -var Node = require("./node"), - Selector = require("./selector"), - MixinDefinition = require("./mixin-definition"), - defaultFunc = require("../functions/default"); - -var MixinCall = function (elements, args, index, currentFileInfo, important) { - this.selector = new Selector(elements); - this.arguments = args || []; - this.index = index; - this.currentFileInfo = currentFileInfo; - this.important = important; - this.allowRoot = true; -}; -MixinCall.prototype = new Node(); -MixinCall.prototype.type = "MixinCall"; -MixinCall.prototype.accept = function (visitor) { - if (this.selector) { - this.selector = visitor.visit(this.selector); - } - if (this.arguments.length) { - this.arguments = visitor.visitArray(this.arguments); - } -}; -MixinCall.prototype.eval = function (context) { - var mixins, mixin, mixinPath, args = [], arg, argValue, - rules = [], match = false, i, m, f, isRecursive, isOneFound, - candidates = [], candidate, conditionResult = [], defaultResult, defFalseEitherCase = -1, - defNone = 0, defTrue = 1, defFalse = 2, count, originalRuleset, noArgumentsFilter; - - function calcDefGroup(mixin, mixinPath) { - var f, p, namespace; - - for (f = 0; f < 2; f++) { - conditionResult[f] = true; - defaultFunc.value(f); - for (p = 0; p < mixinPath.length && conditionResult[f]; p++) { - namespace = mixinPath[p]; - if (namespace.matchCondition) { - conditionResult[f] = conditionResult[f] && namespace.matchCondition(null, context); - } - } - if (mixin.matchCondition) { - conditionResult[f] = conditionResult[f] && mixin.matchCondition(args, context); - } - } - if (conditionResult[0] || conditionResult[1]) { - if (conditionResult[0] != conditionResult[1]) { - return conditionResult[1] ? - defTrue : defFalse; - } - - return defNone; - } - return defFalseEitherCase; - } - - for (i = 0; i < this.arguments.length; i++) { - arg = this.arguments[i]; - argValue = arg.value.eval(context); - if (arg.expand && Array.isArray(argValue.value)) { - argValue = argValue.value; - for (m = 0; m < argValue.length; m++) { - args.push({value: argValue[m]}); - } - } else { - args.push({name: arg.name, value: argValue}); - } - } - - noArgumentsFilter = function(rule) {return rule.matchArgs(null, context);}; - - for (i = 0; i < context.frames.length; i++) { - if ((mixins = context.frames[i].find(this.selector, null, noArgumentsFilter)).length > 0) { - isOneFound = true; - - // To make `default()` function independent of definition order we have two "subpasses" here. - // At first we evaluate each guard *twice* (with `default() == true` and `default() == false`), - // and build candidate list with corresponding flags. Then, when we know all possible matches, - // we make a final decision. - - for (m = 0; m < mixins.length; m++) { - mixin = mixins[m].rule; - mixinPath = mixins[m].path; - isRecursive = false; - for (f = 0; f < context.frames.length; f++) { - if ((!(mixin instanceof MixinDefinition)) && mixin === (context.frames[f].originalRuleset || context.frames[f])) { - isRecursive = true; - break; - } - } - if (isRecursive) { - continue; - } - - if (mixin.matchArgs(args, context)) { - candidate = {mixin: mixin, group: calcDefGroup(mixin, mixinPath)}; - - if (candidate.group !== defFalseEitherCase) { - candidates.push(candidate); - } - - match = true; - } - } - - defaultFunc.reset(); - - count = [0, 0, 0]; - for (m = 0; m < candidates.length; m++) { - count[candidates[m].group]++; - } - - if (count[defNone] > 0) { - defaultResult = defFalse; - } else { - defaultResult = defTrue; - if ((count[defTrue] + count[defFalse]) > 1) { - throw { type: 'Runtime', - message: 'Ambiguous use of `default()` found when matching for `' + this.format(args) + '`', - index: this.index, filename: this.currentFileInfo.filename }; - } - } - - for (m = 0; m < candidates.length; m++) { - candidate = candidates[m].group; - if ((candidate === defNone) || (candidate === defaultResult)) { - try { - mixin = candidates[m].mixin; - if (!(mixin instanceof MixinDefinition)) { - originalRuleset = mixin.originalRuleset || mixin; - mixin = new MixinDefinition("", [], mixin.rules, null, false, null, originalRuleset.visibilityInfo()); - mixin.originalRuleset = originalRuleset; - } - var newRules = mixin.evalCall(context, args, this.important).rules; - this._setVisibilityToReplacement(newRules); - Array.prototype.push.apply(rules, newRules); - } catch (e) { - throw { message: e.message, index: this.index, filename: this.currentFileInfo.filename, stack: e.stack }; - } - } - } - - if (match) { - return rules; - } - } - } - if (isOneFound) { - throw { type: 'Runtime', - message: 'No matching definition was found for `' + this.format(args) + '`', - index: this.index, filename: this.currentFileInfo.filename }; - } else { - throw { type: 'Name', - message: this.selector.toCSS().trim() + " is undefined", - index: this.index, filename: this.currentFileInfo.filename }; - } -}; - -MixinCall.prototype._setVisibilityToReplacement = function (replacement) { - var i, rule; - if (this.blocksVisibility()) { - for (i = 0; i < replacement.length; i++) { - rule = replacement[i]; - rule.addVisibilityBlock(); - } - } -}; -MixinCall.prototype.format = function (args) { - return this.selector.toCSS().trim() + '(' + - (args ? args.map(function (a) { - var argValue = ""; - if (a.name) { - argValue += a.name + ":"; - } - if (a.value.toCSS) { - argValue += a.value.toCSS(); - } else { - argValue += "???"; - } - return argValue; - }).join(', ') : "") + ")"; -}; -module.exports = MixinCall; - -},{"../functions/default":20,"./mixin-definition":68,"./node":70,"./selector":77}],68:[function(require,module,exports){ -var Selector = require("./selector"), - Element = require("./element"), - Ruleset = require("./ruleset"), - Rule = require("./rule"), - Expression = require("./expression"), - contexts = require("../contexts"); - -var Definition = function (name, params, rules, condition, variadic, frames, visibilityInfo) { - this.name = name; - this.selectors = [new Selector([new Element(null, name, this.index, this.currentFileInfo)])]; - this.params = params; - this.condition = condition; - this.variadic = variadic; - this.arity = params.length; - this.rules = rules; - this._lookups = {}; - var optionalParameters = []; - this.required = params.reduce(function (count, p) { - if (!p.name || (p.name && !p.value)) { - return count + 1; - } - else { - optionalParameters.push(p.name); - return count; - } - }, 0); - this.optionalParameters = optionalParameters; - this.frames = frames; - this.copyVisibilityInfo(visibilityInfo); - this.allowRoot = true; -}; -Definition.prototype = new Ruleset(); -Definition.prototype.type = "MixinDefinition"; -Definition.prototype.evalFirst = true; -Definition.prototype.accept = function (visitor) { - if (this.params && this.params.length) { - this.params = visitor.visitArray(this.params); - } - this.rules = visitor.visitArray(this.rules); - if (this.condition) { - this.condition = visitor.visit(this.condition); - } -}; -Definition.prototype.evalParams = function (context, mixinEnv, args, evaldArguments) { - /*jshint boss:true */ - var frame = new Ruleset(null, null), - varargs, arg, - params = this.params.slice(0), - i, j, val, name, isNamedFound, argIndex, argsLength = 0; - - if (mixinEnv.frames && mixinEnv.frames[0] && mixinEnv.frames[0].functionRegistry) { - frame.functionRegistry = mixinEnv.frames[0].functionRegistry.inherit(); - } - mixinEnv = new contexts.Eval(mixinEnv, [frame].concat(mixinEnv.frames)); - - if (args) { - args = args.slice(0); - argsLength = args.length; - - for (i = 0; i < argsLength; i++) { - arg = args[i]; - if (name = (arg && arg.name)) { - isNamedFound = false; - for (j = 0; j < params.length; j++) { - if (!evaldArguments[j] && name === params[j].name) { - evaldArguments[j] = arg.value.eval(context); - frame.prependRule(new Rule(name, arg.value.eval(context))); - isNamedFound = true; - break; - } - } - if (isNamedFound) { - args.splice(i, 1); - i--; - continue; - } else { - throw { type: 'Runtime', message: "Named argument for " + this.name + - ' ' + args[i].name + ' not found' }; - } - } - } - } - argIndex = 0; - for (i = 0; i < params.length; i++) { - if (evaldArguments[i]) { continue; } - - arg = args && args[argIndex]; - - if (name = params[i].name) { - if (params[i].variadic) { - varargs = []; - for (j = argIndex; j < argsLength; j++) { - varargs.push(args[j].value.eval(context)); - } - frame.prependRule(new Rule(name, new Expression(varargs).eval(context))); - } else { - val = arg && arg.value; - if (val) { - val = val.eval(context); - } else if (params[i].value) { - val = params[i].value.eval(mixinEnv); - frame.resetCache(); - } else { - throw { type: 'Runtime', message: "wrong number of arguments for " + this.name + - ' (' + argsLength + ' for ' + this.arity + ')' }; - } - - frame.prependRule(new Rule(name, val)); - evaldArguments[i] = val; - } - } - - if (params[i].variadic && args) { - for (j = argIndex; j < argsLength; j++) { - evaldArguments[j] = args[j].value.eval(context); - } - } - argIndex++; - } - - return frame; -}; -Definition.prototype.makeImportant = function() { - var rules = !this.rules ? this.rules : this.rules.map(function (r) { - if (r.makeImportant) { - return r.makeImportant(true); - } else { - return r; - } - }); - var result = new Definition(this.name, this.params, rules, this.condition, this.variadic, this.frames); - return result; -}; -Definition.prototype.eval = function (context) { - return new Definition(this.name, this.params, this.rules, this.condition, this.variadic, this.frames || context.frames.slice(0)); -}; -Definition.prototype.evalCall = function (context, args, important) { - var _arguments = [], - mixinFrames = this.frames ? this.frames.concat(context.frames) : context.frames, - frame = this.evalParams(context, new contexts.Eval(context, mixinFrames), args, _arguments), - rules, ruleset; - - frame.prependRule(new Rule('@arguments', new Expression(_arguments).eval(context))); - - rules = this.rules.slice(0); - - ruleset = new Ruleset(null, rules); - ruleset.originalRuleset = this; - ruleset = ruleset.eval(new contexts.Eval(context, [this, frame].concat(mixinFrames))); - if (important) { - ruleset = ruleset.makeImportant(); - } - return ruleset; -}; -Definition.prototype.matchCondition = function (args, context) { - if (this.condition && !this.condition.eval( - new contexts.Eval(context, - [this.evalParams(context, /* the parameter variables*/ - new contexts.Eval(context, this.frames ? this.frames.concat(context.frames) : context.frames), args, [])] - .concat(this.frames || []) // the parent namespace/mixin frames - .concat(context.frames)))) { // the current environment frames - return false; - } - return true; -}; -Definition.prototype.matchArgs = function (args, context) { - var allArgsCnt = (args && args.length) || 0, len, optionalParameters = this.optionalParameters; - var requiredArgsCnt = !args ? 0 : args.reduce(function (count, p) { - if (optionalParameters.indexOf(p.name) < 0) { - return count + 1; - } else { - return count; - } - }, 0); - - if (! this.variadic) { - if (requiredArgsCnt < this.required) { - return false; - } - if (allArgsCnt > this.params.length) { - return false; - } - } else { - if (requiredArgsCnt < (this.required - 1)) { - return false; - } - } - - // check patterns - len = Math.min(requiredArgsCnt, this.arity); - - for (var i = 0; i < len; i++) { - if (!this.params[i].name && !this.params[i].variadic) { - if (args[i].value.eval(context).toCSS() != this.params[i].value.eval(context).toCSS()) { - return false; - } - } - } - return true; -}; -module.exports = Definition; - -},{"../contexts":11,"./element":58,"./expression":59,"./rule":74,"./ruleset":76,"./selector":77}],69:[function(require,module,exports){ -var Node = require("./node"), - Operation = require("./operation"), - Dimension = require("./dimension"); - -var Negative = function (node) { - this.value = node; -}; -Negative.prototype = new Node(); -Negative.prototype.type = "Negative"; -Negative.prototype.genCSS = function (context, output) { - output.add('-'); - this.value.genCSS(context, output); -}; -Negative.prototype.eval = function (context) { - if (context.isMathOn()) { - return (new Operation('*', [new Dimension(-1), this.value])).eval(context); - } - return new Negative(this.value.eval(context)); -}; -module.exports = Negative; - -},{"./dimension":56,"./node":70,"./operation":71}],70:[function(require,module,exports){ -var Node = function() { -}; -Node.prototype.toCSS = function (context) { - var strs = []; - this.genCSS(context, { - add: function(chunk, fileInfo, index) { - strs.push(chunk); - }, - isEmpty: function () { - return strs.length === 0; - } - }); - return strs.join(''); -}; -Node.prototype.genCSS = function (context, output) { - output.add(this.value); -}; -Node.prototype.accept = function (visitor) { - this.value = visitor.visit(this.value); -}; -Node.prototype.eval = function () { return this; }; -Node.prototype._operate = function (context, op, a, b) { - switch (op) { - case '+': return a + b; - case '-': return a - b; - case '*': return a * b; - case '/': return a / b; - } -}; -Node.prototype.fround = function(context, value) { - var precision = context && context.numPrecision; - //add "epsilon" to ensure numbers like 1.000000005 (represented as 1.000000004999....) are properly rounded... - return (precision == null) ? value : Number((value + 2e-16).toFixed(precision)); -}; -Node.compare = function (a, b) { - /* returns: - -1: a < b - 0: a = b - 1: a > b - and *any* other value for a != b (e.g. undefined, NaN, -2 etc.) */ - - if ((a.compare) && - // for "symmetric results" force toCSS-based comparison - // of Quoted or Anonymous if either value is one of those - !(b.type === "Quoted" || b.type === "Anonymous")) { - return a.compare(b); - } else if (b.compare) { - return -b.compare(a); - } else if (a.type !== b.type) { - return undefined; - } - - a = a.value; - b = b.value; - if (!Array.isArray(a)) { - return a === b ? 0 : undefined; - } - if (a.length !== b.length) { - return undefined; - } - for (var i = 0; i < a.length; i++) { - if (Node.compare(a[i], b[i]) !== 0) { - return undefined; - } - } - return 0; -}; - -Node.numericCompare = function (a, b) { - return a < b ? -1 - : a === b ? 0 - : a > b ? 1 : undefined; -}; -// Returns true if this node represents root of ast imported by reference -Node.prototype.blocksVisibility = function () { - if (this.visibilityBlocks == null) { - this.visibilityBlocks = 0; - } - return this.visibilityBlocks !== 0; -}; -Node.prototype.addVisibilityBlock = function () { - if (this.visibilityBlocks == null) { - this.visibilityBlocks = 0; - } - this.visibilityBlocks = this.visibilityBlocks + 1; -}; -Node.prototype.removeVisibilityBlock = function () { - if (this.visibilityBlocks == null) { - this.visibilityBlocks = 0; - } - this.visibilityBlocks = this.visibilityBlocks - 1; -}; -//Turns on node visibility - if called node will be shown in output regardless -//of whether it comes from import by reference or not -Node.prototype.ensureVisibility = function () { - this.nodeVisible = true; -}; -//Turns off node visibility - if called node will NOT be shown in output regardless -//of whether it comes from import by reference or not -Node.prototype.ensureInvisibility = function () { - this.nodeVisible = false; -}; -// return values: -// false - the node must not be visible -// true - the node must be visible -// undefined or null - the node has the same visibility as its parent -Node.prototype.isVisible = function () { - return this.nodeVisible; -}; -Node.prototype.visibilityInfo = function() { - return { - visibilityBlocks: this.visibilityBlocks, - nodeVisible: this.nodeVisible - }; -}; -Node.prototype.copyVisibilityInfo = function(info) { - if (!info) { - return; - } - this.visibilityBlocks = info.visibilityBlocks; - this.nodeVisible = info.nodeVisible; -}; -module.exports = Node; - -},{}],71:[function(require,module,exports){ -var Node = require("./node"), - Color = require("./color"), - Dimension = require("./dimension"); - -var Operation = function (op, operands, isSpaced) { - this.op = op.trim(); - this.operands = operands; - this.isSpaced = isSpaced; -}; -Operation.prototype = new Node(); -Operation.prototype.type = "Operation"; -Operation.prototype.accept = function (visitor) { - this.operands = visitor.visit(this.operands); -}; -Operation.prototype.eval = function (context) { - var a = this.operands[0].eval(context), - b = this.operands[1].eval(context); - - if (context.isMathOn()) { - if (a instanceof Dimension && b instanceof Color) { - a = a.toColor(); - } - if (b instanceof Dimension && a instanceof Color) { - b = b.toColor(); - } - if (!a.operate) { - throw { type: "Operation", - message: "Operation on an invalid type" }; - } - - return a.operate(context, this.op, b); - } else { - return new Operation(this.op, [a, b], this.isSpaced); - } -}; -Operation.prototype.genCSS = function (context, output) { - this.operands[0].genCSS(context, output); - if (this.isSpaced) { - output.add(" "); - } - output.add(this.op); - if (this.isSpaced) { - output.add(" "); - } - this.operands[1].genCSS(context, output); -}; - -module.exports = Operation; - -},{"./color":50,"./dimension":56,"./node":70}],72:[function(require,module,exports){ -var Node = require("./node"); - -var Paren = function (node) { - this.value = node; -}; -Paren.prototype = new Node(); -Paren.prototype.type = "Paren"; -Paren.prototype.genCSS = function (context, output) { - output.add('('); - this.value.genCSS(context, output); - output.add(')'); -}; -Paren.prototype.eval = function (context) { - return new Paren(this.value.eval(context)); -}; -module.exports = Paren; - -},{"./node":70}],73:[function(require,module,exports){ -var Node = require("./node"), - JsEvalNode = require("./js-eval-node"), - Variable = require("./variable"); - -var Quoted = function (str, content, escaped, index, currentFileInfo) { - this.escaped = (escaped == null) ? true : escaped; - this.value = content || ''; - this.quote = str.charAt(0); - this.index = index; - this.currentFileInfo = currentFileInfo; -}; -Quoted.prototype = new JsEvalNode(); -Quoted.prototype.type = "Quoted"; -Quoted.prototype.genCSS = function (context, output) { - if (!this.escaped) { - output.add(this.quote, this.currentFileInfo, this.index); - } - output.add(this.value); - if (!this.escaped) { - output.add(this.quote); - } -}; -Quoted.prototype.containsVariables = function() { - return this.value.match(/(`([^`]+)`)|@\{([\w-]+)\}/); -}; -Quoted.prototype.eval = function (context) { - var that = this, value = this.value; - var javascriptReplacement = function (_, exp) { - return String(that.evaluateJavaScript(exp, context)); - }; - var interpolationReplacement = function (_, name) { - var v = new Variable('@' + name, that.index, that.currentFileInfo).eval(context, true); - return (v instanceof Quoted) ? v.value : v.toCSS(); - }; - function iterativeReplace(value, regexp, replacementFnc) { - var evaluatedValue = value; - do { - value = evaluatedValue; - evaluatedValue = value.replace(regexp, replacementFnc); - } while (value !== evaluatedValue); - return evaluatedValue; - } - value = iterativeReplace(value, /`([^`]+)`/g, javascriptReplacement); - value = iterativeReplace(value, /@\{([\w-]+)\}/g, interpolationReplacement); - return new Quoted(this.quote + value + this.quote, value, this.escaped, this.index, this.currentFileInfo); -}; -Quoted.prototype.compare = function (other) { - // when comparing quoted strings allow the quote to differ - if (other.type === "Quoted" && !this.escaped && !other.escaped) { - return Node.numericCompare(this.value, other.value); - } else { - return other.toCSS && this.toCSS() === other.toCSS() ? 0 : undefined; - } -}; -module.exports = Quoted; - -},{"./js-eval-node":64,"./node":70,"./variable":82}],74:[function(require,module,exports){ -var Node = require("./node"), - Value = require("./value"), - Keyword = require("./keyword"); - -var Rule = function (name, value, important, merge, index, currentFileInfo, inline, variable) { - this.name = name; - this.value = (value instanceof Node) ? value : new Value([value]); //value instanceof tree.Value || value instanceof tree.Ruleset ?? - this.important = important ? ' ' + important.trim() : ''; - this.merge = merge; - this.index = index; - this.currentFileInfo = currentFileInfo; - this.inline = inline || false; - this.variable = (variable !== undefined) ? variable - : (name.charAt && (name.charAt(0) === '@')); - this.allowRoot = true; -}; - -function evalName(context, name) { - var value = "", i, n = name.length, - output = {add: function (s) {value += s;}}; - for (i = 0; i < n; i++) { - name[i].eval(context).genCSS(context, output); - } - return value; -} - -Rule.prototype = new Node(); -Rule.prototype.type = "Rule"; -Rule.prototype.genCSS = function (context, output) { - output.add(this.name + (context.compress ? ':' : ': '), this.currentFileInfo, this.index); - try { - this.value.genCSS(context, output); - } - catch(e) { - e.index = this.index; - e.filename = this.currentFileInfo.filename; - throw e; - } - output.add(this.important + ((this.inline || (context.lastRule && context.compress)) ? "" : ";"), this.currentFileInfo, this.index); -}; -Rule.prototype.eval = function (context) { - var strictMathBypass = false, name = this.name, evaldValue, variable = this.variable; - if (typeof name !== "string") { - // expand 'primitive' name directly to get - // things faster (~10% for benchmark.less): - name = (name.length === 1) && (name[0] instanceof Keyword) ? - name[0].value : evalName(context, name); - variable = false; // never treat expanded interpolation as new variable name - } - if (name === "font" && !context.strictMath) { - strictMathBypass = true; - context.strictMath = true; - } - try { - context.importantScope.push({}); - evaldValue = this.value.eval(context); - - if (!this.variable && evaldValue.type === "DetachedRuleset") { - throw { message: "Rulesets cannot be evaluated on a property.", - index: this.index, filename: this.currentFileInfo.filename }; - } - var important = this.important, - importantResult = context.importantScope.pop(); - if (!important && importantResult.important) { - important = importantResult.important; - } - - return new Rule(name, - evaldValue, - important, - this.merge, - this.index, this.currentFileInfo, this.inline, - variable); - } - catch(e) { - if (typeof e.index !== 'number') { - e.index = this.index; - e.filename = this.currentFileInfo.filename; - } - throw e; - } - finally { - if (strictMathBypass) { - context.strictMath = false; - } - } -}; -Rule.prototype.makeImportant = function () { - return new Rule(this.name, - this.value, - "!important", - this.merge, - this.index, this.currentFileInfo, this.inline); -}; - -module.exports = Rule; -},{"./keyword":65,"./node":70,"./value":81}],75:[function(require,module,exports){ -var Node = require("./node"), - Variable = require("./variable"); - -var RulesetCall = function (variable) { - this.variable = variable; - this.allowRoot = true; -}; -RulesetCall.prototype = new Node(); -RulesetCall.prototype.type = "RulesetCall"; -RulesetCall.prototype.eval = function (context) { - var detachedRuleset = new Variable(this.variable).eval(context); - return detachedRuleset.callEval(context); -}; -module.exports = RulesetCall; - -},{"./node":70,"./variable":82}],76:[function(require,module,exports){ -var Node = require("./node"), - Rule = require("./rule"), - Selector = require("./selector"), - Element = require("./element"), - Paren = require("./paren"), - contexts = require("../contexts"), - globalFunctionRegistry = require("../functions/function-registry"), - defaultFunc = require("../functions/default"), - getDebugInfo = require("./debug-info"); - -var Ruleset = function (selectors, rules, strictImports, visibilityInfo) { - this.selectors = selectors; - this.rules = rules; - this._lookups = {}; - this.strictImports = strictImports; - this.copyVisibilityInfo(visibilityInfo); - this.allowRoot = true; -}; -Ruleset.prototype = new Node(); -Ruleset.prototype.type = "Ruleset"; -Ruleset.prototype.isRuleset = true; -Ruleset.prototype.isRulesetLike = true; -Ruleset.prototype.accept = function (visitor) { - if (this.paths) { - this.paths = visitor.visitArray(this.paths, true); - } else if (this.selectors) { - this.selectors = visitor.visitArray(this.selectors); - } - if (this.rules && this.rules.length) { - this.rules = visitor.visitArray(this.rules); - } -}; -Ruleset.prototype.eval = function (context) { - var thisSelectors = this.selectors, selectors, - selCnt, selector, i, hasOnePassingSelector = false; - - if (thisSelectors && (selCnt = thisSelectors.length)) { - selectors = []; - defaultFunc.error({ - type: "Syntax", - message: "it is currently only allowed in parametric mixin guards," - }); - for (i = 0; i < selCnt; i++) { - selector = thisSelectors[i].eval(context); - selectors.push(selector); - if (selector.evaldCondition) { - hasOnePassingSelector = true; - } - } - defaultFunc.reset(); - } else { - hasOnePassingSelector = true; - } - - var rules = this.rules ? this.rules.slice(0) : null, - ruleset = new Ruleset(selectors, rules, this.strictImports, this.visibilityInfo()), - rule, subRule; - - ruleset.originalRuleset = this; - ruleset.root = this.root; - ruleset.firstRoot = this.firstRoot; - ruleset.allowImports = this.allowImports; - - if (this.debugInfo) { - ruleset.debugInfo = this.debugInfo; - } - - if (!hasOnePassingSelector) { - rules.length = 0; - } - - // inherit a function registry from the frames stack when possible; - // otherwise from the global registry - ruleset.functionRegistry = (function (frames) { - var i = 0, - n = frames.length, - found; - for ( ; i !== n ; ++i ) { - found = frames[ i ].functionRegistry; - if ( found ) { return found; } - } - return globalFunctionRegistry; - }(context.frames)).inherit(); - - // push the current ruleset to the frames stack - var ctxFrames = context.frames; - ctxFrames.unshift(ruleset); - - // currrent selectors - var ctxSelectors = context.selectors; - if (!ctxSelectors) { - context.selectors = ctxSelectors = []; - } - ctxSelectors.unshift(this.selectors); - - // Evaluate imports - if (ruleset.root || ruleset.allowImports || !ruleset.strictImports) { - ruleset.evalImports(context); - } - - // Store the frames around mixin definitions, - // so they can be evaluated like closures when the time comes. - var rsRules = ruleset.rules, rsRuleCnt = rsRules ? rsRules.length : 0; - for (i = 0; i < rsRuleCnt; i++) { - if (rsRules[i].evalFirst) { - rsRules[i] = rsRules[i].eval(context); - } - } - - var mediaBlockCount = (context.mediaBlocks && context.mediaBlocks.length) || 0; - - // Evaluate mixin calls. - for (i = 0; i < rsRuleCnt; i++) { - if (rsRules[i].type === "MixinCall") { - /*jshint loopfunc:true */ - rules = rsRules[i].eval(context).filter(function(r) { - if ((r instanceof Rule) && r.variable) { - // do not pollute the scope if the variable is - // already there. consider returning false here - // but we need a way to "return" variable from mixins - return !(ruleset.variable(r.name)); - } - return true; - }); - rsRules.splice.apply(rsRules, [i, 1].concat(rules)); - rsRuleCnt += rules.length - 1; - i += rules.length - 1; - ruleset.resetCache(); - } else if (rsRules[i].type === "RulesetCall") { - /*jshint loopfunc:true */ - rules = rsRules[i].eval(context).rules.filter(function(r) { - if ((r instanceof Rule) && r.variable) { - // do not pollute the scope at all - return false; - } - return true; - }); - rsRules.splice.apply(rsRules, [i, 1].concat(rules)); - rsRuleCnt += rules.length - 1; - i += rules.length - 1; - ruleset.resetCache(); - } - } - - // Evaluate everything else - for (i = 0; i < rsRules.length; i++) { - rule = rsRules[i]; - if (!rule.evalFirst) { - rsRules[i] = rule = rule.eval ? rule.eval(context) : rule; - } - } - - // Evaluate everything else - for (i = 0; i < rsRules.length; i++) { - rule = rsRules[i]; - // for rulesets, check if it is a css guard and can be removed - if (rule instanceof Ruleset && rule.selectors && rule.selectors.length === 1) { - // check if it can be folded in (e.g. & where) - if (rule.selectors[0].isJustParentSelector()) { - rsRules.splice(i--, 1); - - for (var j = 0; j < rule.rules.length; j++) { - subRule = rule.rules[j]; - subRule.copyVisibilityInfo(rule.visibilityInfo()); - if (!(subRule instanceof Rule) || !subRule.variable) { - rsRules.splice(++i, 0, subRule); - } - } - } - } - } - - // Pop the stack - ctxFrames.shift(); - ctxSelectors.shift(); - - if (context.mediaBlocks) { - for (i = mediaBlockCount; i < context.mediaBlocks.length; i++) { - context.mediaBlocks[i].bubbleSelectors(selectors); - } - } - - return ruleset; -}; -Ruleset.prototype.evalImports = function(context) { - var rules = this.rules, i, importRules; - if (!rules) { return; } - - for (i = 0; i < rules.length; i++) { - if (rules[i].type === "Import") { - importRules = rules[i].eval(context); - if (importRules && (importRules.length || importRules.length === 0)) { - rules.splice.apply(rules, [i, 1].concat(importRules)); - i+= importRules.length - 1; - } else { - rules.splice(i, 1, importRules); - } - this.resetCache(); - } - } -}; -Ruleset.prototype.makeImportant = function() { - var result = new Ruleset(this.selectors, this.rules.map(function (r) { - if (r.makeImportant) { - return r.makeImportant(); - } else { - return r; - } - }), this.strictImports, this.visibilityInfo()); - - return result; -}; -Ruleset.prototype.matchArgs = function (args) { - return !args || args.length === 0; -}; -// lets you call a css selector with a guard -Ruleset.prototype.matchCondition = function (args, context) { - var lastSelector = this.selectors[this.selectors.length - 1]; - if (!lastSelector.evaldCondition) { - return false; - } - if (lastSelector.condition && - !lastSelector.condition.eval( - new contexts.Eval(context, - context.frames))) { - return false; - } - return true; -}; -Ruleset.prototype.resetCache = function () { - this._rulesets = null; - this._variables = null; - this._lookups = {}; -}; -Ruleset.prototype.variables = function () { - if (!this._variables) { - this._variables = !this.rules ? {} : this.rules.reduce(function (hash, r) { - if (r instanceof Rule && r.variable === true) { - hash[r.name] = r; - } - // when evaluating variables in an import statement, imports have not been eval'd - // so we need to go inside import statements. - // guard against root being a string (in the case of inlined less) - if (r.type === "Import" && r.root && r.root.variables) { - var vars = r.root.variables(); - for (var name in vars) { - if (vars.hasOwnProperty(name)) { - hash[name] = vars[name]; - } - } - } - return hash; - }, {}); - } - return this._variables; -}; -Ruleset.prototype.variable = function (name) { - return this.variables()[name]; -}; -Ruleset.prototype.rulesets = function () { - if (!this.rules) { return []; } - - var filtRules = [], rules = this.rules, cnt = rules.length, - i, rule; - - for (i = 0; i < cnt; i++) { - rule = rules[i]; - if (rule.isRuleset) { - filtRules.push(rule); - } - } - - return filtRules; -}; -Ruleset.prototype.prependRule = function (rule) { - var rules = this.rules; - if (rules) { - rules.unshift(rule); - } else { - this.rules = [ rule ]; - } -}; -Ruleset.prototype.find = function (selector, self, filter) { - self = self || this; - var rules = [], match, foundMixins, - key = selector.toCSS(); - - if (key in this._lookups) { return this._lookups[key]; } - - this.rulesets().forEach(function (rule) { - if (rule !== self) { - for (var j = 0; j < rule.selectors.length; j++) { - match = selector.match(rule.selectors[j]); - if (match) { - if (selector.elements.length > match) { - if (!filter || filter(rule)) { - foundMixins = rule.find(new Selector(selector.elements.slice(match)), self, filter); - for (var i = 0; i < foundMixins.length; ++i) { - foundMixins[i].path.push(rule); - } - Array.prototype.push.apply(rules, foundMixins); - } - } else { - rules.push({ rule: rule, path: []}); - } - break; - } - } - } - }); - this._lookups[key] = rules; - return rules; -}; -Ruleset.prototype.genCSS = function (context, output) { - var i, j, - charsetRuleNodes = [], - ruleNodes = [], - debugInfo, // Line number debugging - rule, - path; - - context.tabLevel = (context.tabLevel || 0); - - if (!this.root) { - context.tabLevel++; - } - - var tabRuleStr = context.compress ? '' : Array(context.tabLevel + 1).join(" "), - tabSetStr = context.compress ? '' : Array(context.tabLevel).join(" "), - sep; - - function isRulesetLikeNode(rule) { - // if it has nested rules, then it should be treated like a ruleset - // medias and comments do not have nested rules, but should be treated like rulesets anyway - // some directives and anonymous nodes are ruleset like, others are not - if (typeof rule.isRulesetLike === "boolean") { - return rule.isRulesetLike; - } else if (typeof rule.isRulesetLike === "function") { - return rule.isRulesetLike(); - } - - //anything else is assumed to be a rule - return false; - } - - var charsetNodeIndex = 0; - var importNodeIndex = 0; - for (i = 0; i < this.rules.length; i++) { - rule = this.rules[i]; - if (rule.type === "Comment") { - if (importNodeIndex === i) { - importNodeIndex++; - } - ruleNodes.push(rule); - } else if (rule.isCharset && rule.isCharset()) { - ruleNodes.splice(charsetNodeIndex, 0, rule); - charsetNodeIndex++; - importNodeIndex++; - } else if (rule.type === "Import") { - ruleNodes.splice(importNodeIndex, 0, rule); - importNodeIndex++; - } else { - ruleNodes.push(rule); - } - } - ruleNodes = charsetRuleNodes.concat(ruleNodes); - - // If this is the root node, we don't render - // a selector, or {}. - if (!this.root) { - debugInfo = getDebugInfo(context, this, tabSetStr); - - if (debugInfo) { - output.add(debugInfo); - output.add(tabSetStr); - } - - var paths = this.paths, pathCnt = paths.length, - pathSubCnt; - - sep = context.compress ? ',' : (',\n' + tabSetStr); - - for (i = 0; i < pathCnt; i++) { - path = paths[i]; - if (!(pathSubCnt = path.length)) { continue; } - if (i > 0) { output.add(sep); } - - context.firstSelector = true; - path[0].genCSS(context, output); - - context.firstSelector = false; - for (j = 1; j < pathSubCnt; j++) { - path[j].genCSS(context, output); - } - } - - output.add((context.compress ? '{' : ' {\n') + tabRuleStr); - } - - // Compile rules and rulesets - for (i = 0; i < ruleNodes.length; i++) { - rule = ruleNodes[i]; - - if (i + 1 === ruleNodes.length) { - context.lastRule = true; - } - - var currentLastRule = context.lastRule; - if (isRulesetLikeNode(rule)) { - context.lastRule = false; - } - - if (rule.genCSS) { - rule.genCSS(context, output); - } else if (rule.value) { - output.add(rule.value.toString()); - } - - context.lastRule = currentLastRule; - - if (!context.lastRule) { - output.add(context.compress ? '' : ('\n' + tabRuleStr)); - } else { - context.lastRule = false; - } - } - - if (!this.root) { - output.add((context.compress ? '}' : '\n' + tabSetStr + '}')); - context.tabLevel--; - } - - if (!output.isEmpty() && !context.compress && this.firstRoot) { - output.add('\n'); - } -}; - -Ruleset.prototype.joinSelectors = function (paths, context, selectors) { - for (var s = 0; s < selectors.length; s++) { - this.joinSelector(paths, context, selectors[s]); - } -}; - -Ruleset.prototype.joinSelector = function (paths, context, selector) { - - function createParenthesis(elementsToPak, originalElement) { - var replacementParen, j; - if (elementsToPak.length === 0) { - replacementParen = new Paren(elementsToPak[0]); - } else { - var insideParent = []; - for (j = 0; j < elementsToPak.length; j++) { - insideParent.push(new Element(null, elementsToPak[j], originalElement.index, originalElement.currentFileInfo)); - } - replacementParen = new Paren(new Selector(insideParent)); - } - return replacementParen; - } - - function createSelector(containedElement, originalElement) { - var element, selector; - element = new Element(null, containedElement, originalElement.index, originalElement.currentFileInfo); - selector = new Selector([element]); - return selector; - } - - // joins selector path from `beginningPath` with selector path in `addPath` - // `replacedElement` contains element that is being replaced by `addPath` - // returns concatenated path - function addReplacementIntoPath(beginningPath, addPath, replacedElement, originalSelector) { - var newSelectorPath, lastSelector, newJoinedSelector; - // our new selector path - newSelectorPath = []; - - //construct the joined selector - if & is the first thing this will be empty, - // if not newJoinedSelector will be the last set of elements in the selector - if (beginningPath.length > 0) { - newSelectorPath = beginningPath.slice(0); - lastSelector = newSelectorPath.pop(); - newJoinedSelector = originalSelector.createDerived(lastSelector.elements.slice(0)); - } - else { - newJoinedSelector = originalSelector.createDerived([]); - } - - if (addPath.length > 0) { - // /deep/ is a combinator that is valid without anything in front of it - // so if the & does not have a combinator that is "" or " " then - // and there is a combinator on the parent, then grab that. - // this also allows + a { & .b { .a & { ... though not sure why you would want to do that - var combinator = replacedElement.combinator, parentEl = addPath[0].elements[0]; - if (combinator.emptyOrWhitespace && !parentEl.combinator.emptyOrWhitespace) { - combinator = parentEl.combinator; - } - // join the elements so far with the first part of the parent - newJoinedSelector.elements.push(new Element(combinator, parentEl.value, replacedElement.index, replacedElement.currentFileInfo)); - newJoinedSelector.elements = newJoinedSelector.elements.concat(addPath[0].elements.slice(1)); - } - - // now add the joined selector - but only if it is not empty - if (newJoinedSelector.elements.length !== 0) { - newSelectorPath.push(newJoinedSelector); - } - - //put together the parent selectors after the join (e.g. the rest of the parent) - if (addPath.length > 1) { - var restOfPath = addPath.slice(1); - restOfPath = restOfPath.map(function (selector) { - return selector.createDerived(selector.elements, []); - }); - newSelectorPath = newSelectorPath.concat(restOfPath); - } - return newSelectorPath; - } - - // joins selector path from `beginningPath` with every selector path in `addPaths` array - // `replacedElement` contains element that is being replaced by `addPath` - // returns array with all concatenated paths - function addAllReplacementsIntoPath( beginningPath, addPaths, replacedElement, originalSelector, result) { - var j; - for (j = 0; j < beginningPath.length; j++) { - var newSelectorPath = addReplacementIntoPath(beginningPath[j], addPaths, replacedElement, originalSelector); - result.push(newSelectorPath); - } - return result; - } - - function mergeElementsOnToSelectors(elements, selectors) { - var i, sel; - - if (elements.length === 0) { - return ; - } - if (selectors.length === 0) { - selectors.push([ new Selector(elements) ]); - return; - } - - for (i = 0; i < selectors.length; i++) { - sel = selectors[i]; - - // if the previous thing in sel is a parent this needs to join on to it - if (sel.length > 0) { - sel[sel.length - 1] = sel[sel.length - 1].createDerived(sel[sel.length - 1].elements.concat(elements)); - } - else { - sel.push(new Selector(elements)); - } - } - } - - // replace all parent selectors inside `inSelector` by content of `context` array - // resulting selectors are returned inside `paths` array - // returns true if `inSelector` contained at least one parent selector - function replaceParentSelector(paths, context, inSelector) { - // The paths are [[Selector]] - // The first list is a list of comma separated selectors - // The inner list is a list of inheritance separated selectors - // e.g. - // .a, .b { - // .c { - // } - // } - // == [[.a] [.c]] [[.b] [.c]] - // - var i, j, k, currentElements, newSelectors, selectorsMultiplied, sel, el, hadParentSelector = false, length, lastSelector; - function findNestedSelector(element) { - var maybeSelector; - if (element.value.type !== 'Paren') { - return null; - } - - maybeSelector = element.value.value; - if (maybeSelector.type !== 'Selector') { - return null; - } - - return maybeSelector; - } - - // the elements from the current selector so far - currentElements = []; - // the current list of new selectors to add to the path. - // We will build it up. We initiate it with one empty selector as we "multiply" the new selectors - // by the parents - newSelectors = [ - [] - ]; - - for (i = 0; i < inSelector.elements.length; i++) { - el = inSelector.elements[i]; - // non parent reference elements just get added - if (el.value !== "&") { - var nestedSelector = findNestedSelector(el); - if (nestedSelector != null) { - // merge the current list of non parent selector elements - // on to the current list of selectors to add - mergeElementsOnToSelectors(currentElements, newSelectors); - - var nestedPaths = [], replaced, replacedNewSelectors = []; - replaced = replaceParentSelector(nestedPaths, context, nestedSelector); - hadParentSelector = hadParentSelector || replaced; - //the nestedPaths array should have only one member - replaceParentSelector does not multiply selectors - for (k = 0; k < nestedPaths.length; k++) { - var replacementSelector = createSelector(createParenthesis(nestedPaths[k], el), el); - addAllReplacementsIntoPath(newSelectors, [replacementSelector], el, inSelector, replacedNewSelectors); - } - newSelectors = replacedNewSelectors; - currentElements = []; - - } else { - currentElements.push(el); - } - - } else { - hadParentSelector = true; - // the new list of selectors to add - selectorsMultiplied = []; - - // merge the current list of non parent selector elements - // on to the current list of selectors to add - mergeElementsOnToSelectors(currentElements, newSelectors); - - // loop through our current selectors - for (j = 0; j < newSelectors.length; j++) { - sel = newSelectors[j]; - // if we don't have any parent paths, the & might be in a mixin so that it can be used - // whether there are parents or not - if (context.length === 0) { - // the combinator used on el should now be applied to the next element instead so that - // it is not lost - if (sel.length > 0) { - sel[0].elements.push(new Element(el.combinator, '', el.index, el.currentFileInfo)); - } - selectorsMultiplied.push(sel); - } - else { - // and the parent selectors - for (k = 0; k < context.length; k++) { - // We need to put the current selectors - // then join the last selector's elements on to the parents selectors - var newSelectorPath = addReplacementIntoPath(sel, context[k], el, inSelector); - // add that to our new set of selectors - selectorsMultiplied.push(newSelectorPath); - } - } - } - - // our new selectors has been multiplied, so reset the state - newSelectors = selectorsMultiplied; - currentElements = []; - } - } - - // if we have any elements left over (e.g. .a& .b == .b) - // add them on to all the current selectors - mergeElementsOnToSelectors(currentElements, newSelectors); - - for (i = 0; i < newSelectors.length; i++) { - length = newSelectors[i].length; - if (length > 0) { - paths.push(newSelectors[i]); - lastSelector = newSelectors[i][length - 1]; - newSelectors[i][length - 1] = lastSelector.createDerived(lastSelector.elements, inSelector.extendList); - //newSelectors[i][length - 1].copyVisibilityInfo(inSelector.visibilityInfo()); - } - } - - return hadParentSelector; - } - - function deriveSelector(visibilityInfo, deriveFrom) { - var newSelector = deriveFrom.createDerived(deriveFrom.elements, deriveFrom.extendList, deriveFrom.evaldCondition); - newSelector.copyVisibilityInfo(visibilityInfo); - return newSelector; - } - - // joinSelector code follows - var i, newPaths, hadParentSelector; - - newPaths = []; - hadParentSelector = replaceParentSelector(newPaths, context, selector); - - if (!hadParentSelector) { - if (context.length > 0) { - newPaths = []; - for (i = 0; i < context.length; i++) { - //var concatenated = []; - //context[i].forEach(function(entry) { - // var newEntry = entry.createDerived(entry.elements, entry.extendList, entry.evaldCondition); - // newEntry.copyVisibilityInfo(selector.visibilityInfo()); - // concatenated.push(newEntry); - //}, this); - var concatenated = context[i].map(deriveSelector.bind(this, selector.visibilityInfo())); - - concatenated.push(selector); - newPaths.push(concatenated); - } - } - else { - newPaths = [[selector]]; - } - } - - for (i = 0; i < newPaths.length; i++) { - paths.push(newPaths[i]); - } - -}; -module.exports = Ruleset; - -},{"../contexts":11,"../functions/default":20,"../functions/function-registry":22,"./debug-info":54,"./element":58,"./node":70,"./paren":72,"./rule":74,"./selector":77}],77:[function(require,module,exports){ -var Node = require("./node"), - Element = require("./element"); - -var Selector = function (elements, extendList, condition, index, currentFileInfo, visibilityInfo) { - this.elements = elements; - this.extendList = extendList; - this.condition = condition; - this.currentFileInfo = currentFileInfo || {}; - if (!condition) { - this.evaldCondition = true; - } - this.copyVisibilityInfo(visibilityInfo); -}; -Selector.prototype = new Node(); -Selector.prototype.type = "Selector"; -Selector.prototype.accept = function (visitor) { - if (this.elements) { - this.elements = visitor.visitArray(this.elements); - } - if (this.extendList) { - this.extendList = visitor.visitArray(this.extendList); - } - if (this.condition) { - this.condition = visitor.visit(this.condition); - } -}; -Selector.prototype.createDerived = function(elements, extendList, evaldCondition) { - var info = this.visibilityInfo(); - evaldCondition = (evaldCondition != null) ? evaldCondition : this.evaldCondition; - var newSelector = new Selector(elements, extendList || this.extendList, null, this.index, this.currentFileInfo, info); - newSelector.evaldCondition = evaldCondition; - newSelector.mediaEmpty = this.mediaEmpty; - return newSelector; -}; -Selector.prototype.createEmptySelectors = function() { - var el = new Element('', '&', this.index, this.currentFileInfo), - sels = [new Selector([el], null, null, this.index, this.currentFileInfo)]; - sels[0].mediaEmpty = true; - return sels; -}; -Selector.prototype.match = function (other) { - var elements = this.elements, - len = elements.length, - olen, i; - - other.CacheElements(); - - olen = other._elements.length; - if (olen === 0 || len < olen) { - return 0; - } else { - for (i = 0; i < olen; i++) { - if (elements[i].value !== other._elements[i]) { - return 0; - } - } - } - - return olen; // return number of matched elements -}; -Selector.prototype.CacheElements = function() { - if (this._elements) { - return; - } - - var elements = this.elements.map( function(v) { - return v.combinator.value + (v.value.value || v.value); - }).join("").match(/[,&#\*\.\w-]([\w-]|(\\.))*/g); - - if (elements) { - if (elements[0] === "&") { - elements.shift(); - } - } else { - elements = []; - } - - this._elements = elements; -}; -Selector.prototype.isJustParentSelector = function() { - return !this.mediaEmpty && - this.elements.length === 1 && - this.elements[0].value === '&' && - (this.elements[0].combinator.value === ' ' || this.elements[0].combinator.value === ''); -}; -Selector.prototype.eval = function (context) { - var evaldCondition = this.condition && this.condition.eval(context), - elements = this.elements, extendList = this.extendList; - - elements = elements && elements.map(function (e) { return e.eval(context); }); - extendList = extendList && extendList.map(function(extend) { return extend.eval(context); }); - - return this.createDerived(elements, extendList, evaldCondition); -}; -Selector.prototype.genCSS = function (context, output) { - var i, element; - if ((!context || !context.firstSelector) && this.elements[0].combinator.value === "") { - output.add(' ', this.currentFileInfo, this.index); - } - if (!this._css) { - //TODO caching? speed comparison? - for (i = 0; i < this.elements.length; i++) { - element = this.elements[i]; - element.genCSS(context, output); - } - } -}; -Selector.prototype.getIsOutput = function() { - return this.evaldCondition; -}; -module.exports = Selector; - -},{"./element":58,"./node":70}],78:[function(require,module,exports){ -var Node = require("./node"); - -var UnicodeDescriptor = function (value) { - this.value = value; -}; -UnicodeDescriptor.prototype = new Node(); -UnicodeDescriptor.prototype.type = "UnicodeDescriptor"; - -module.exports = UnicodeDescriptor; - -},{"./node":70}],79:[function(require,module,exports){ -var Node = require("./node"), - unitConversions = require("../data/unit-conversions"); - -var Unit = function (numerator, denominator, backupUnit) { - this.numerator = numerator ? numerator.slice(0).sort() : []; - this.denominator = denominator ? denominator.slice(0).sort() : []; - if (backupUnit) { - this.backupUnit = backupUnit; - } else if (numerator && numerator.length) { - this.backupUnit = numerator[0]; - } -}; - -Unit.prototype = new Node(); -Unit.prototype.type = "Unit"; -Unit.prototype.clone = function () { - return new Unit(this.numerator.slice(0), this.denominator.slice(0), this.backupUnit); -}; -Unit.prototype.genCSS = function (context, output) { - // Dimension checks the unit is singular and throws an error if in strict math mode. - var strictUnits = context && context.strictUnits; - if (this.numerator.length === 1) { - output.add(this.numerator[0]); // the ideal situation - } else if (!strictUnits && this.backupUnit) { - output.add(this.backupUnit); - } else if (!strictUnits && this.denominator.length) { - output.add(this.denominator[0]); - } -}; -Unit.prototype.toString = function () { - var i, returnStr = this.numerator.join("*"); - for (i = 0; i < this.denominator.length; i++) { - returnStr += "/" + this.denominator[i]; - } - return returnStr; -}; -Unit.prototype.compare = function (other) { - return this.is(other.toString()) ? 0 : undefined; -}; -Unit.prototype.is = function (unitString) { - return this.toString().toUpperCase() === unitString.toUpperCase(); -}; -Unit.prototype.isLength = function () { - return Boolean(this.toCSS().match(/px|em|%|in|cm|mm|pc|pt|ex/)); -}; -Unit.prototype.isEmpty = function () { - return this.numerator.length === 0 && this.denominator.length === 0; -}; -Unit.prototype.isSingular = function() { - return this.numerator.length <= 1 && this.denominator.length === 0; -}; -Unit.prototype.map = function(callback) { - var i; - - for (i = 0; i < this.numerator.length; i++) { - this.numerator[i] = callback(this.numerator[i], false); - } - - for (i = 0; i < this.denominator.length; i++) { - this.denominator[i] = callback(this.denominator[i], true); - } -}; -Unit.prototype.usedUnits = function() { - var group, result = {}, mapUnit, groupName; - - mapUnit = function (atomicUnit) { - /*jshint loopfunc:true */ - if (group.hasOwnProperty(atomicUnit) && !result[groupName]) { - result[groupName] = atomicUnit; - } - - return atomicUnit; - }; - - for (groupName in unitConversions) { - if (unitConversions.hasOwnProperty(groupName)) { - group = unitConversions[groupName]; - - this.map(mapUnit); - } - } - - return result; -}; -Unit.prototype.cancel = function () { - var counter = {}, atomicUnit, i; - - for (i = 0; i < this.numerator.length; i++) { - atomicUnit = this.numerator[i]; - counter[atomicUnit] = (counter[atomicUnit] || 0) + 1; - } - - for (i = 0; i < this.denominator.length; i++) { - atomicUnit = this.denominator[i]; - counter[atomicUnit] = (counter[atomicUnit] || 0) - 1; - } - - this.numerator = []; - this.denominator = []; - - for (atomicUnit in counter) { - if (counter.hasOwnProperty(atomicUnit)) { - var count = counter[atomicUnit]; - - if (count > 0) { - for (i = 0; i < count; i++) { - this.numerator.push(atomicUnit); - } - } else if (count < 0) { - for (i = 0; i < -count; i++) { - this.denominator.push(atomicUnit); - } - } - } - } - - this.numerator.sort(); - this.denominator.sort(); -}; -module.exports = Unit; - -},{"../data/unit-conversions":14,"./node":70}],80:[function(require,module,exports){ -var Node = require("./node"); - -var URL = function (val, index, currentFileInfo, isEvald) { - this.value = val; - this.currentFileInfo = currentFileInfo; - this.index = index; - this.isEvald = isEvald; -}; -URL.prototype = new Node(); -URL.prototype.type = "Url"; -URL.prototype.accept = function (visitor) { - this.value = visitor.visit(this.value); -}; -URL.prototype.genCSS = function (context, output) { - output.add("url("); - this.value.genCSS(context, output); - output.add(")"); -}; -URL.prototype.eval = function (context) { - var val = this.value.eval(context), - rootpath; - - if (!this.isEvald) { - // Add the base path if the URL is relative - rootpath = this.currentFileInfo && this.currentFileInfo.rootpath; - if (rootpath && - typeof val.value === "string" && - context.isPathRelative(val.value)) { - - if (!val.quote) { - rootpath = rootpath.replace(/[\(\)'"\s]/g, function(match) { return "\\" + match; }); - } - val.value = rootpath + val.value; - } - - val.value = context.normalizePath(val.value); - - // Add url args if enabled - if (context.urlArgs) { - if (!val.value.match(/^\s*data:/)) { - var delimiter = val.value.indexOf('?') === -1 ? '?' : '&'; - var urlArgs = delimiter + context.urlArgs; - if (val.value.indexOf('#') !== -1) { - val.value = val.value.replace('#', urlArgs + '#'); - } else { - val.value += urlArgs; - } - } - } - } - - return new URL(val, this.index, this.currentFileInfo, true); -}; -module.exports = URL; - -},{"./node":70}],81:[function(require,module,exports){ -var Node = require("./node"); - -var Value = function (value) { - this.value = value; - if (!value) { - throw new Error("Value requires an array argument"); - } -}; -Value.prototype = new Node(); -Value.prototype.type = "Value"; -Value.prototype.accept = function (visitor) { - if (this.value) { - this.value = visitor.visitArray(this.value); - } -}; -Value.prototype.eval = function (context) { - if (this.value.length === 1) { - return this.value[0].eval(context); - } else { - return new Value(this.value.map(function (v) { - return v.eval(context); - })); - } -}; -Value.prototype.genCSS = function (context, output) { - var i; - for (i = 0; i < this.value.length; i++) { - this.value[i].genCSS(context, output); - if (i + 1 < this.value.length) { - output.add((context && context.compress) ? ',' : ', '); - } - } -}; -module.exports = Value; - -},{"./node":70}],82:[function(require,module,exports){ -var Node = require("./node"); - -var Variable = function (name, index, currentFileInfo) { - this.name = name; - this.index = index; - this.currentFileInfo = currentFileInfo || {}; -}; -Variable.prototype = new Node(); -Variable.prototype.type = "Variable"; -Variable.prototype.eval = function (context) { - var variable, name = this.name; - - if (name.indexOf('@@') === 0) { - name = '@' + new Variable(name.slice(1), this.index, this.currentFileInfo).eval(context).value; - } - - if (this.evaluating) { - throw { type: 'Name', - message: "Recursive variable definition for " + name, - filename: this.currentFileInfo.filename, - index: this.index }; - } - - this.evaluating = true; - - variable = this.find(context.frames, function (frame) { - var v = frame.variable(name); - if (v) { - if (v.important) { - var importantScope = context.importantScope[context.importantScope.length - 1]; - importantScope.important = v.important; - } - return v.value.eval(context); - } - }); - if (variable) { - this.evaluating = false; - return variable; - } else { - throw { type: 'Name', - message: "variable " + name + " is undefined", - filename: this.currentFileInfo.filename, - index: this.index }; - } -}; -Variable.prototype.find = function (obj, fun) { - for (var i = 0, r; i < obj.length; i++) { - r = fun.call(obj, obj[i]); - if (r) { return r; } - } - return null; -}; -module.exports = Variable; - -},{"./node":70}],83:[function(require,module,exports){ -module.exports = { - getLocation: function(index, inputStream) { - var n = index + 1, - line = null, - column = -1; - - while (--n >= 0 && inputStream.charAt(n) !== '\n') { - column++; - } - - if (typeof index === 'number') { - line = (inputStream.slice(0, index).match(/\n/g) || "").length; - } - - return { - line: line, - column: column - }; - } -}; - -},{}],84:[function(require,module,exports){ -var tree = require("../tree"), - Visitor = require("./visitor"), - logger = require("../logger"); - -/*jshint loopfunc:true */ - -var ExtendFinderVisitor = function() { - this._visitor = new Visitor(this); - this.contexts = []; - this.allExtendsStack = [[]]; -}; - -ExtendFinderVisitor.prototype = { - run: function (root) { - root = this._visitor.visit(root); - root.allExtends = this.allExtendsStack[0]; - return root; - }, - visitRule: function (ruleNode, visitArgs) { - visitArgs.visitDeeper = false; - }, - visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { - visitArgs.visitDeeper = false; - }, - visitRuleset: function (rulesetNode, visitArgs) { - if (rulesetNode.root) { - return; - } - - var i, j, extend, allSelectorsExtendList = [], extendList; - - // get &:extend(.a); rules which apply to all selectors in this ruleset - var rules = rulesetNode.rules, ruleCnt = rules ? rules.length : 0; - for (i = 0; i < ruleCnt; i++) { - if (rulesetNode.rules[i] instanceof tree.Extend) { - allSelectorsExtendList.push(rules[i]); - rulesetNode.extendOnEveryPath = true; - } - } - - // now find every selector and apply the extends that apply to all extends - // and the ones which apply to an individual extend - var paths = rulesetNode.paths; - for (i = 0; i < paths.length; i++) { - var selectorPath = paths[i], - selector = selectorPath[selectorPath.length - 1], - selExtendList = selector.extendList; - - extendList = selExtendList ? selExtendList.slice(0).concat(allSelectorsExtendList) - : allSelectorsExtendList; - - if (extendList) { - extendList = extendList.map(function(allSelectorsExtend) { - return allSelectorsExtend.clone(); - }); - } - - for (j = 0; j < extendList.length; j++) { - this.foundExtends = true; - extend = extendList[j]; - extend.findSelfSelectors(selectorPath); - extend.ruleset = rulesetNode; - if (j === 0) { extend.firstExtendOnThisSelectorPath = true; } - this.allExtendsStack[this.allExtendsStack.length - 1].push(extend); - } - } - - this.contexts.push(rulesetNode.selectors); - }, - visitRulesetOut: function (rulesetNode) { - if (!rulesetNode.root) { - this.contexts.length = this.contexts.length - 1; - } - }, - visitMedia: function (mediaNode, visitArgs) { - mediaNode.allExtends = []; - this.allExtendsStack.push(mediaNode.allExtends); - }, - visitMediaOut: function (mediaNode) { - this.allExtendsStack.length = this.allExtendsStack.length - 1; - }, - visitDirective: function (directiveNode, visitArgs) { - directiveNode.allExtends = []; - this.allExtendsStack.push(directiveNode.allExtends); - }, - visitDirectiveOut: function (directiveNode) { - this.allExtendsStack.length = this.allExtendsStack.length - 1; - } -}; - -var ProcessExtendsVisitor = function() { - this._visitor = new Visitor(this); -}; - -ProcessExtendsVisitor.prototype = { - run: function(root) { - var extendFinder = new ExtendFinderVisitor(); - this.extendIndices = {}; - extendFinder.run(root); - if (!extendFinder.foundExtends) { return root; } - root.allExtends = root.allExtends.concat(this.doExtendChaining(root.allExtends, root.allExtends)); - this.allExtendsStack = [root.allExtends]; - var newRoot = this._visitor.visit(root); - this.checkExtendsForNonMatched(root.allExtends); - return newRoot; - }, - checkExtendsForNonMatched: function(extendList) { - var indices = this.extendIndices; - extendList.filter(function(extend) { - return !extend.hasFoundMatches && extend.parent_ids.length == 1; - }).forEach(function(extend) { - var selector = "_unknown_"; - try { - selector = extend.selector.toCSS({}); - } - catch(_) {} - - if (!indices[extend.index + ' ' + selector]) { - indices[extend.index + ' ' + selector] = true; - logger.warn("extend '" + selector + "' has no matches"); - } - }); - }, - doExtendChaining: function (extendsList, extendsListTarget, iterationCount) { - // - // chaining is different from normal extension.. if we extend an extend then we are not just copying, altering - // and pasting the selector we would do normally, but we are also adding an extend with the same target selector - // this means this new extend can then go and alter other extends - // - // this method deals with all the chaining work - without it, extend is flat and doesn't work on other extend selectors - // this is also the most expensive.. and a match on one selector can cause an extension of a selector we had already - // processed if we look at each selector at a time, as is done in visitRuleset - - var extendIndex, targetExtendIndex, matches, extendsToAdd = [], newSelector, extendVisitor = this, selectorPath, - extend, targetExtend, newExtend; - - iterationCount = iterationCount || 0; - - //loop through comparing every extend with every target extend. - // a target extend is the one on the ruleset we are looking at copy/edit/pasting in place - // e.g. .a:extend(.b) {} and .b:extend(.c) {} then the first extend extends the second one - // and the second is the target. - // the separation into two lists allows us to process a subset of chains with a bigger set, as is the - // case when processing media queries - for (extendIndex = 0; extendIndex < extendsList.length; extendIndex++) { - for (targetExtendIndex = 0; targetExtendIndex < extendsListTarget.length; targetExtendIndex++) { - - extend = extendsList[extendIndex]; - targetExtend = extendsListTarget[targetExtendIndex]; - - // look for circular references - if ( extend.parent_ids.indexOf( targetExtend.object_id ) >= 0 ) { continue; } - - // find a match in the target extends self selector (the bit before :extend) - selectorPath = [targetExtend.selfSelectors[0]]; - matches = extendVisitor.findMatch(extend, selectorPath); - - if (matches.length) { - extend.hasFoundMatches = true; - - // we found a match, so for each self selector.. - extend.selfSelectors.forEach(function(selfSelector) { - var info = targetExtend.visibilityInfo(); - - // process the extend as usual - newSelector = extendVisitor.extendSelector(matches, selectorPath, selfSelector, extend.isVisible()); - - // but now we create a new extend from it - newExtend = new(tree.Extend)(targetExtend.selector, targetExtend.option, 0, targetExtend.currentFileInfo, info); - newExtend.selfSelectors = newSelector; - - // add the extend onto the list of extends for that selector - newSelector[newSelector.length - 1].extendList = [newExtend]; - - // record that we need to add it. - extendsToAdd.push(newExtend); - newExtend.ruleset = targetExtend.ruleset; - - //remember its parents for circular references - newExtend.parent_ids = newExtend.parent_ids.concat(targetExtend.parent_ids, extend.parent_ids); - - // only process the selector once.. if we have :extend(.a,.b) then multiple - // extends will look at the same selector path, so when extending - // we know that any others will be duplicates in terms of what is added to the css - if (targetExtend.firstExtendOnThisSelectorPath) { - newExtend.firstExtendOnThisSelectorPath = true; - targetExtend.ruleset.paths.push(newSelector); - } - }); - } - } - } - - if (extendsToAdd.length) { - // try to detect circular references to stop a stack overflow. - // may no longer be needed. - this.extendChainCount++; - if (iterationCount > 100) { - var selectorOne = "{unable to calculate}"; - var selectorTwo = "{unable to calculate}"; - try { - selectorOne = extendsToAdd[0].selfSelectors[0].toCSS(); - selectorTwo = extendsToAdd[0].selector.toCSS(); - } - catch(e) {} - throw { message: "extend circular reference detected. One of the circular extends is currently:" + - selectorOne + ":extend(" + selectorTwo + ")"}; - } - - // now process the new extends on the existing rules so that we can handle a extending b extending c extending - // d extending e... - return extendsToAdd.concat(extendVisitor.doExtendChaining(extendsToAdd, extendsListTarget, iterationCount + 1)); - } else { - return extendsToAdd; - } - }, - visitRule: function (ruleNode, visitArgs) { - visitArgs.visitDeeper = false; - }, - visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { - visitArgs.visitDeeper = false; - }, - visitSelector: function (selectorNode, visitArgs) { - visitArgs.visitDeeper = false; - }, - visitRuleset: function (rulesetNode, visitArgs) { - if (rulesetNode.root) { - return; - } - var matches, pathIndex, extendIndex, allExtends = this.allExtendsStack[this.allExtendsStack.length - 1], - selectorsToAdd = [], extendVisitor = this, selectorPath; - - // look at each selector path in the ruleset, find any extend matches and then copy, find and replace - - for (extendIndex = 0; extendIndex < allExtends.length; extendIndex++) { - for (pathIndex = 0; pathIndex < rulesetNode.paths.length; pathIndex++) { - selectorPath = rulesetNode.paths[pathIndex]; - - // extending extends happens initially, before the main pass - if (rulesetNode.extendOnEveryPath) { continue; } - var extendList = selectorPath[selectorPath.length - 1].extendList; - if (extendList && extendList.length) { continue; } - - matches = this.findMatch(allExtends[extendIndex], selectorPath); - - if (matches.length) { - allExtends[extendIndex].hasFoundMatches = true; - - allExtends[extendIndex].selfSelectors.forEach(function(selfSelector) { - var extendedSelectors; - extendedSelectors = extendVisitor.extendSelector(matches, selectorPath, selfSelector, allExtends[extendIndex].isVisible()); - selectorsToAdd.push(extendedSelectors); - }); - } - } - } - rulesetNode.paths = rulesetNode.paths.concat(selectorsToAdd); - }, - findMatch: function (extend, haystackSelectorPath) { - // - // look through the haystack selector path to try and find the needle - extend.selector - // returns an array of selector matches that can then be replaced - // - var haystackSelectorIndex, hackstackSelector, hackstackElementIndex, haystackElement, - targetCombinator, i, - extendVisitor = this, - needleElements = extend.selector.elements, - potentialMatches = [], potentialMatch, matches = []; - - // loop through the haystack elements - for (haystackSelectorIndex = 0; haystackSelectorIndex < haystackSelectorPath.length; haystackSelectorIndex++) { - hackstackSelector = haystackSelectorPath[haystackSelectorIndex]; - - for (hackstackElementIndex = 0; hackstackElementIndex < hackstackSelector.elements.length; hackstackElementIndex++) { - - haystackElement = hackstackSelector.elements[hackstackElementIndex]; - - // if we allow elements before our match we can add a potential match every time. otherwise only at the first element. - if (extend.allowBefore || (haystackSelectorIndex === 0 && hackstackElementIndex === 0)) { - potentialMatches.push({pathIndex: haystackSelectorIndex, index: hackstackElementIndex, matched: 0, - initialCombinator: haystackElement.combinator}); - } - - for (i = 0; i < potentialMatches.length; i++) { - potentialMatch = potentialMatches[i]; - - // selectors add " " onto the first element. When we use & it joins the selectors together, but if we don't - // then each selector in haystackSelectorPath has a space before it added in the toCSS phase. so we need to - // work out what the resulting combinator will be - targetCombinator = haystackElement.combinator.value; - if (targetCombinator === '' && hackstackElementIndex === 0) { - targetCombinator = ' '; - } - - // if we don't match, null our match to indicate failure - if (!extendVisitor.isElementValuesEqual(needleElements[potentialMatch.matched].value, haystackElement.value) || - (potentialMatch.matched > 0 && needleElements[potentialMatch.matched].combinator.value !== targetCombinator)) { - potentialMatch = null; - } else { - potentialMatch.matched++; - } - - // if we are still valid and have finished, test whether we have elements after and whether these are allowed - if (potentialMatch) { - potentialMatch.finished = potentialMatch.matched === needleElements.length; - if (potentialMatch.finished && - (!extend.allowAfter && - (hackstackElementIndex + 1 < hackstackSelector.elements.length || haystackSelectorIndex + 1 < haystackSelectorPath.length))) { - potentialMatch = null; - } - } - // if null we remove, if not, we are still valid, so either push as a valid match or continue - if (potentialMatch) { - if (potentialMatch.finished) { - potentialMatch.length = needleElements.length; - potentialMatch.endPathIndex = haystackSelectorIndex; - potentialMatch.endPathElementIndex = hackstackElementIndex + 1; // index after end of match - potentialMatches.length = 0; // we don't allow matches to overlap, so start matching again - matches.push(potentialMatch); - } - } else { - potentialMatches.splice(i, 1); - i--; - } - } - } - } - return matches; - }, - isElementValuesEqual: function(elementValue1, elementValue2) { - if (typeof elementValue1 === "string" || typeof elementValue2 === "string") { - return elementValue1 === elementValue2; - } - if (elementValue1 instanceof tree.Attribute) { - if (elementValue1.op !== elementValue2.op || elementValue1.key !== elementValue2.key) { - return false; - } - if (!elementValue1.value || !elementValue2.value) { - if (elementValue1.value || elementValue2.value) { - return false; - } - return true; - } - elementValue1 = elementValue1.value.value || elementValue1.value; - elementValue2 = elementValue2.value.value || elementValue2.value; - return elementValue1 === elementValue2; - } - elementValue1 = elementValue1.value; - elementValue2 = elementValue2.value; - if (elementValue1 instanceof tree.Selector) { - if (!(elementValue2 instanceof tree.Selector) || elementValue1.elements.length !== elementValue2.elements.length) { - return false; - } - for (var i = 0; i < elementValue1.elements.length; i++) { - if (elementValue1.elements[i].combinator.value !== elementValue2.elements[i].combinator.value) { - if (i !== 0 || (elementValue1.elements[i].combinator.value || ' ') !== (elementValue2.elements[i].combinator.value || ' ')) { - return false; - } - } - if (!this.isElementValuesEqual(elementValue1.elements[i].value, elementValue2.elements[i].value)) { - return false; - } - } - return true; - } - return false; - }, - extendSelector:function (matches, selectorPath, replacementSelector, isVisible) { - - //for a set of matches, replace each match with the replacement selector - - var currentSelectorPathIndex = 0, - currentSelectorPathElementIndex = 0, - path = [], - matchIndex, - selector, - firstElement, - match, - newElements; - - for (matchIndex = 0; matchIndex < matches.length; matchIndex++) { - match = matches[matchIndex]; - selector = selectorPath[match.pathIndex]; - firstElement = new tree.Element( - match.initialCombinator, - replacementSelector.elements[0].value, - replacementSelector.elements[0].index, - replacementSelector.elements[0].currentFileInfo - ); - - if (match.pathIndex > currentSelectorPathIndex && currentSelectorPathElementIndex > 0) { - path[path.length - 1].elements = path[path.length - 1] - .elements.concat(selectorPath[currentSelectorPathIndex].elements.slice(currentSelectorPathElementIndex)); - currentSelectorPathElementIndex = 0; - currentSelectorPathIndex++; - } - - newElements = selector.elements - .slice(currentSelectorPathElementIndex, match.index) - .concat([firstElement]) - .concat(replacementSelector.elements.slice(1)); - - if (currentSelectorPathIndex === match.pathIndex && matchIndex > 0) { - path[path.length - 1].elements = - path[path.length - 1].elements.concat(newElements); - } else { - path = path.concat(selectorPath.slice(currentSelectorPathIndex, match.pathIndex)); - - path.push(new tree.Selector( - newElements - )); - } - currentSelectorPathIndex = match.endPathIndex; - currentSelectorPathElementIndex = match.endPathElementIndex; - if (currentSelectorPathElementIndex >= selectorPath[currentSelectorPathIndex].elements.length) { - currentSelectorPathElementIndex = 0; - currentSelectorPathIndex++; - } - } - - if (currentSelectorPathIndex < selectorPath.length && currentSelectorPathElementIndex > 0) { - path[path.length - 1].elements = path[path.length - 1] - .elements.concat(selectorPath[currentSelectorPathIndex].elements.slice(currentSelectorPathElementIndex)); - currentSelectorPathIndex++; - } - - path = path.concat(selectorPath.slice(currentSelectorPathIndex, selectorPath.length)); - path = path.map(function (currentValue) { - // we can re-use elements here, because the visibility property matters only for selectors - var derived = currentValue.createDerived(currentValue.elements); - if (isVisible) { - derived.ensureVisibility(); - } else { - derived.ensureInvisibility(); - } - return derived; - }); - return path; - }, - visitMedia: function (mediaNode, visitArgs) { - var newAllExtends = mediaNode.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length - 1]); - newAllExtends = newAllExtends.concat(this.doExtendChaining(newAllExtends, mediaNode.allExtends)); - this.allExtendsStack.push(newAllExtends); - }, - visitMediaOut: function (mediaNode) { - var lastIndex = this.allExtendsStack.length - 1; - this.allExtendsStack.length = lastIndex; - }, - visitDirective: function (directiveNode, visitArgs) { - var newAllExtends = directiveNode.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length - 1]); - newAllExtends = newAllExtends.concat(this.doExtendChaining(newAllExtends, directiveNode.allExtends)); - this.allExtendsStack.push(newAllExtends); - }, - visitDirectiveOut: function (directiveNode) { - var lastIndex = this.allExtendsStack.length - 1; - this.allExtendsStack.length = lastIndex; - } -}; - -module.exports = ProcessExtendsVisitor; - -},{"../logger":33,"../tree":62,"./visitor":91}],85:[function(require,module,exports){ -function ImportSequencer(onSequencerEmpty) { - this.imports = []; - this.variableImports = []; - this._onSequencerEmpty = onSequencerEmpty; - this._currentDepth = 0; -} - -ImportSequencer.prototype.addImport = function(callback) { - var importSequencer = this, - importItem = { - callback: callback, - args: null, - isReady: false - }; - this.imports.push(importItem); - return function() { - importItem.args = Array.prototype.slice.call(arguments, 0); - importItem.isReady = true; - importSequencer.tryRun(); - }; -}; - -ImportSequencer.prototype.addVariableImport = function(callback) { - this.variableImports.push(callback); -}; - -ImportSequencer.prototype.tryRun = function() { - this._currentDepth++; - try { - while (true) { - while (this.imports.length > 0) { - var importItem = this.imports[0]; - if (!importItem.isReady) { - return; - } - this.imports = this.imports.slice(1); - importItem.callback.apply(null, importItem.args); - } - if (this.variableImports.length === 0) { - break; - } - var variableImport = this.variableImports[0]; - this.variableImports = this.variableImports.slice(1); - variableImport(); - } - } finally { - this._currentDepth--; - } - if (this._currentDepth === 0 && this._onSequencerEmpty) { - this._onSequencerEmpty(); - } -}; - -module.exports = ImportSequencer; - -},{}],86:[function(require,module,exports){ -var contexts = require("../contexts"), - Visitor = require("./visitor"), - ImportSequencer = require("./import-sequencer"); - -var ImportVisitor = function(importer, finish) { - - this._visitor = new Visitor(this); - this._importer = importer; - this._finish = finish; - this.context = new contexts.Eval(); - this.importCount = 0; - this.onceFileDetectionMap = {}; - this.recursionDetector = {}; - this._sequencer = new ImportSequencer(this._onSequencerEmpty.bind(this)); -}; - -ImportVisitor.prototype = { - isReplacing: false, - run: function (root) { - try { - // process the contents - this._visitor.visit(root); - } - catch(e) { - this.error = e; - } - - this.isFinished = true; - this._sequencer.tryRun(); - }, - _onSequencerEmpty: function() { - if (!this.isFinished) { - return; - } - this._finish(this.error); - }, - visitImport: function (importNode, visitArgs) { - var inlineCSS = importNode.options.inline; - - if (!importNode.css || inlineCSS) { - - var context = new contexts.Eval(this.context, this.context.frames.slice(0)); - var importParent = context.frames[0]; - - this.importCount++; - if (importNode.isVariableImport()) { - this._sequencer.addVariableImport(this.processImportNode.bind(this, importNode, context, importParent)); - } else { - this.processImportNode(importNode, context, importParent); - } - } - visitArgs.visitDeeper = false; - }, - processImportNode: function(importNode, context, importParent) { - var evaldImportNode, - inlineCSS = importNode.options.inline; - - try { - evaldImportNode = importNode.evalForImport(context); - } catch(e) { - if (!e.filename) { e.index = importNode.index; e.filename = importNode.currentFileInfo.filename; } - // attempt to eval properly and treat as css - importNode.css = true; - // if that fails, this error will be thrown - importNode.error = e; - } - - if (evaldImportNode && (!evaldImportNode.css || inlineCSS)) { - - if (evaldImportNode.options.multiple) { - context.importMultiple = true; - } - - // try appending if we haven't determined if it is css or not - var tryAppendLessExtension = evaldImportNode.css === undefined; - - for (var i = 0; i < importParent.rules.length; i++) { - if (importParent.rules[i] === importNode) { - importParent.rules[i] = evaldImportNode; - break; - } - } - - var onImported = this.onImported.bind(this, evaldImportNode, context), - sequencedOnImported = this._sequencer.addImport(onImported); - - this._importer.push(evaldImportNode.getPath(), tryAppendLessExtension, evaldImportNode.currentFileInfo, - evaldImportNode.options, sequencedOnImported); - } else { - this.importCount--; - if (this.isFinished) { - this._sequencer.tryRun(); - } - } - }, - onImported: function (importNode, context, e, root, importedAtRoot, fullPath) { - if (e) { - if (!e.filename) { - e.index = importNode.index; e.filename = importNode.currentFileInfo.filename; - } - this.error = e; - } - - var importVisitor = this, - inlineCSS = importNode.options.inline, - isPlugin = importNode.options.plugin, - isOptional = importNode.options.optional, - duplicateImport = importedAtRoot || fullPath in importVisitor.recursionDetector; - - if (!context.importMultiple) { - if (duplicateImport) { - importNode.skip = true; - } else { - importNode.skip = function() { - if (fullPath in importVisitor.onceFileDetectionMap) { - return true; - } - importVisitor.onceFileDetectionMap[fullPath] = true; - return false; - }; - } - } - - if (!fullPath && isOptional) { - importNode.skip = true; - } - - if (root) { - importNode.root = root; - importNode.importedFilename = fullPath; - - if (!inlineCSS && !isPlugin && (context.importMultiple || !duplicateImport)) { - importVisitor.recursionDetector[fullPath] = true; - - var oldContext = this.context; - this.context = context; - try { - this._visitor.visit(root); - } catch (e) { - this.error = e; - } - this.context = oldContext; - } - } - - importVisitor.importCount--; - - if (importVisitor.isFinished) { - importVisitor._sequencer.tryRun(); - } - }, - visitRule: function (ruleNode, visitArgs) { - if (ruleNode.value.type === "DetachedRuleset") { - this.context.frames.unshift(ruleNode); - } else { - visitArgs.visitDeeper = false; - } - }, - visitRuleOut : function(ruleNode) { - if (ruleNode.value.type === "DetachedRuleset") { - this.context.frames.shift(); - } - }, - visitDirective: function (directiveNode, visitArgs) { - this.context.frames.unshift(directiveNode); - }, - visitDirectiveOut: function (directiveNode) { - this.context.frames.shift(); - }, - visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { - this.context.frames.unshift(mixinDefinitionNode); - }, - visitMixinDefinitionOut: function (mixinDefinitionNode) { - this.context.frames.shift(); - }, - visitRuleset: function (rulesetNode, visitArgs) { - this.context.frames.unshift(rulesetNode); - }, - visitRulesetOut: function (rulesetNode) { - this.context.frames.shift(); - }, - visitMedia: function (mediaNode, visitArgs) { - this.context.frames.unshift(mediaNode.rules[0]); - }, - visitMediaOut: function (mediaNode) { - this.context.frames.shift(); - } -}; -module.exports = ImportVisitor; - -},{"../contexts":11,"./import-sequencer":85,"./visitor":91}],87:[function(require,module,exports){ -var visitors = { - Visitor: require("./visitor"), - ImportVisitor: require('./import-visitor'), - MarkVisibleSelectorsVisitor: require("./set-tree-visibility-visitor"), - ExtendVisitor: require('./extend-visitor'), - JoinSelectorVisitor: require('./join-selector-visitor'), - ToCSSVisitor: require('./to-css-visitor') -}; - -module.exports = visitors; - -},{"./extend-visitor":84,"./import-visitor":86,"./join-selector-visitor":88,"./set-tree-visibility-visitor":89,"./to-css-visitor":90,"./visitor":91}],88:[function(require,module,exports){ -var Visitor = require("./visitor"); - -var JoinSelectorVisitor = function() { - this.contexts = [[]]; - this._visitor = new Visitor(this); -}; - -JoinSelectorVisitor.prototype = { - run: function (root) { - return this._visitor.visit(root); - }, - visitRule: function (ruleNode, visitArgs) { - visitArgs.visitDeeper = false; - }, - visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { - visitArgs.visitDeeper = false; - }, - - visitRuleset: function (rulesetNode, visitArgs) { - var context = this.contexts[this.contexts.length - 1], - paths = [], selectors; - - this.contexts.push(paths); - - if (! rulesetNode.root) { - selectors = rulesetNode.selectors; - if (selectors) { - selectors = selectors.filter(function(selector) { return selector.getIsOutput(); }); - rulesetNode.selectors = selectors.length ? selectors : (selectors = null); - if (selectors) { rulesetNode.joinSelectors(paths, context, selectors); } - } - if (!selectors) { rulesetNode.rules = null; } - rulesetNode.paths = paths; - } - }, - visitRulesetOut: function (rulesetNode) { - this.contexts.length = this.contexts.length - 1; - }, - visitMedia: function (mediaNode, visitArgs) { - var context = this.contexts[this.contexts.length - 1]; - mediaNode.rules[0].root = (context.length === 0 || context[0].multiMedia); - }, - visitDirective: function (directiveNode, visitArgs) { - var context = this.contexts[this.contexts.length - 1]; - if (directiveNode.rules && directiveNode.rules.length) { - directiveNode.rules[0].root = (directiveNode.isRooted || context.length === 0 || null); - } - } -}; - -module.exports = JoinSelectorVisitor; - -},{"./visitor":91}],89:[function(require,module,exports){ -var SetTreeVisibilityVisitor = function(visible) { - this.visible = visible; -}; -SetTreeVisibilityVisitor.prototype.run = function(root) { - this.visit(root); -}; -SetTreeVisibilityVisitor.prototype.visitArray = function(nodes) { - if (!nodes) { - return nodes; - } - - var cnt = nodes.length, i; - for (i = 0; i < cnt; i++) { - this.visit(nodes[i]); - } - return nodes; -}; -SetTreeVisibilityVisitor.prototype.visit = function(node) { - if (!node) { - return node; - } - if (node.constructor === Array) { - return this.visitArray(node); - } - - if (!node.blocksVisibility || node.blocksVisibility()) { - return node; - } - if (this.visible) { - node.ensureVisibility(); - } else { - node.ensureInvisibility(); - } - - node.accept(this); - return node; -}; -module.exports = SetTreeVisibilityVisitor; -},{}],90:[function(require,module,exports){ -var tree = require("../tree"), - Visitor = require("./visitor"); - -var CSSVisitorUtils = function(context) { - this._visitor = new Visitor(this); - this._context = context; -}; - -CSSVisitorUtils.prototype = { - containsSilentNonBlockedChild: function(bodyRules) { - var rule; - if (bodyRules == null) { - return false; - } - for (var r = 0; r < bodyRules.length; r++) { - rule = bodyRules[r]; - if (rule.isSilent && rule.isSilent(this._context) && !rule.blocksVisibility()) { - //the directive contains something that was referenced (likely by extend) - //therefore it needs to be shown in output too - return true; - } - } - return false; - }, - - keepOnlyVisibleChilds: function(owner) { - if (owner == null || owner.rules == null) { - return ; - } - - owner.rules = owner.rules.filter(function(thing) { - return thing.isVisible(); - } - ); - }, - - isEmpty: function(owner) { - if (owner == null || owner.rules == null) { - return true; - } - return owner.rules.length === 0; - }, - - hasVisibleSelector: function(rulesetNode) { - if (rulesetNode == null || rulesetNode.paths == null) { - return false; - } - return rulesetNode.paths.length > 0; - }, - - resolveVisibility: function (node, originalRules) { - if (!node.blocksVisibility()) { - if (this.isEmpty(node) && !this.containsSilentNonBlockedChild(originalRules)) { - return ; - } - - return node; - } - - var compiledRulesBody = node.rules[0]; - this.keepOnlyVisibleChilds(compiledRulesBody); - - if (this.isEmpty(compiledRulesBody)) { - return ; - } - - node.ensureVisibility(); - node.removeVisibilityBlock(); - - return node; - }, - - isVisibleRuleset: function(rulesetNode) { - if (rulesetNode.firstRoot) { - return true; - } - - if (this.isEmpty(rulesetNode)) { - return false; - } - - if (!rulesetNode.root && !this.hasVisibleSelector(rulesetNode)) { - return false; - } - - return true; - } - -}; - -var ToCSSVisitor = function(context) { - this._visitor = new Visitor(this); - this._context = context; - this.utils = new CSSVisitorUtils(context); -}; - -ToCSSVisitor.prototype = { - isReplacing: true, - run: function (root) { - return this._visitor.visit(root); - }, - - visitRule: function (ruleNode, visitArgs) { - if (ruleNode.blocksVisibility() || ruleNode.variable) { - return; - } - return ruleNode; - }, - - visitMixinDefinition: function (mixinNode, visitArgs) { - // mixin definitions do not get eval'd - this means they keep state - // so we have to clear that state here so it isn't used if toCSS is called twice - mixinNode.frames = []; - }, - - visitExtend: function (extendNode, visitArgs) { - }, - - visitComment: function (commentNode, visitArgs) { - if (commentNode.blocksVisibility() || commentNode.isSilent(this._context)) { - return; - } - return commentNode; - }, - - visitMedia: function(mediaNode, visitArgs) { - var originalRules = mediaNode.rules[0].rules; - mediaNode.accept(this._visitor); - visitArgs.visitDeeper = false; - - return this.utils.resolveVisibility(mediaNode, originalRules); - }, - - visitImport: function (importNode, visitArgs) { - if (importNode.blocksVisibility()) { - return ; - } - return importNode; - }, - - visitDirective: function(directiveNode, visitArgs) { - if (directiveNode.rules && directiveNode.rules.length) { - return this.visitDirectiveWithBody(directiveNode, visitArgs); - } else { - return this.visitDirectiveWithoutBody(directiveNode, visitArgs); - } - }, - - visitDirectiveWithBody: function(directiveNode, visitArgs) { - //if there is only one nested ruleset and that one has no path, then it is - //just fake ruleset - function hasFakeRuleset(directiveNode) { - var bodyRules = directiveNode.rules; - return bodyRules.length === 1 && (!bodyRules[0].paths || bodyRules[0].paths.length === 0); - } - function getBodyRules(directiveNode) { - var nodeRules = directiveNode.rules; - if (hasFakeRuleset(directiveNode)) { - return nodeRules[0].rules; - } - - return nodeRules; - } - //it is still true that it is only one ruleset in array - //this is last such moment - //process childs - var originalRules = getBodyRules(directiveNode); - directiveNode.accept(this._visitor); - visitArgs.visitDeeper = false; - - if (!this.utils.isEmpty(directiveNode)) { - this._mergeRules(directiveNode.rules[0].rules); - } - - return this.utils.resolveVisibility(directiveNode, originalRules); - }, - - visitDirectiveWithoutBody: function(directiveNode, visitArgs) { - if (directiveNode.blocksVisibility()) { - return; - } - - if (directiveNode.name === "@charset") { - // Only output the debug info together with subsequent @charset definitions - // a comment (or @media statement) before the actual @charset directive would - // be considered illegal css as it has to be on the first line - if (this.charset) { - if (directiveNode.debugInfo) { - var comment = new tree.Comment("/* " + directiveNode.toCSS(this._context).replace(/\n/g, "") + " */\n"); - comment.debugInfo = directiveNode.debugInfo; - return this._visitor.visit(comment); - } - return; - } - this.charset = true; - } - - return directiveNode; - }, - - checkValidNodes: function(rules, isRoot) { - if (!rules) { - return; - } - - for (var i = 0; i < rules.length; i++) { - var ruleNode = rules[i]; - if (isRoot && ruleNode instanceof tree.Rule && !ruleNode.variable) { - throw { message: "Properties must be inside selector blocks. They cannot be in the root", - index: ruleNode.index, filename: ruleNode.currentFileInfo && ruleNode.currentFileInfo.filename}; - } - if (ruleNode instanceof tree.Call) { - throw { message: "Function '" + ruleNode.name + "' is undefined", - index: ruleNode.index, filename: ruleNode.currentFileInfo && ruleNode.currentFileInfo.filename}; - } - if (ruleNode.type && !ruleNode.allowRoot) { - throw { message: ruleNode.type + " node returned by a function is not valid here", - index: ruleNode.index, filename: ruleNode.currentFileInfo && ruleNode.currentFileInfo.filename}; - } - } - }, - - visitRuleset: function (rulesetNode, visitArgs) { - //at this point rulesets are nested into each other - var rule, rulesets = []; - - this.checkValidNodes(rulesetNode.rules, rulesetNode.firstRoot); - - if (! rulesetNode.root) { - //remove invisible paths - this._compileRulesetPaths(rulesetNode); - - // remove rulesets from this ruleset body and compile them separately - var nodeRules = rulesetNode.rules, nodeRuleCnt = nodeRules ? nodeRules.length : 0; - for (var i = 0; i < nodeRuleCnt; ) { - rule = nodeRules[i]; - if (rule && rule.rules) { - // visit because we are moving them out from being a child - rulesets.push(this._visitor.visit(rule)); - nodeRules.splice(i, 1); - nodeRuleCnt--; - continue; - } - i++; - } - // accept the visitor to remove rules and refactor itself - // then we can decide nogw whether we want it or not - // compile body - if (nodeRuleCnt > 0) { - rulesetNode.accept(this._visitor); - } else { - rulesetNode.rules = null; - } - visitArgs.visitDeeper = false; - - } else { //if (! rulesetNode.root) { - rulesetNode.accept(this._visitor); - visitArgs.visitDeeper = false; - } - - if (rulesetNode.rules) { - this._mergeRules(rulesetNode.rules); - this._removeDuplicateRules(rulesetNode.rules); - } - - //now decide whether we keep the ruleset - if (this.utils.isVisibleRuleset(rulesetNode)) { - rulesetNode.ensureVisibility(); - rulesets.splice(0, 0, rulesetNode); - } - - if (rulesets.length === 1) { - return rulesets[0]; - } - return rulesets; - }, - - _compileRulesetPaths: function(rulesetNode) { - if (rulesetNode.paths) { - rulesetNode.paths = rulesetNode.paths - .filter(function(p) { - var i; - if (p[0].elements[0].combinator.value === ' ') { - p[0].elements[0].combinator = new(tree.Combinator)(''); - } - for (i = 0; i < p.length; i++) { - if (p[i].isVisible() && p[i].getIsOutput()) { - return true; - } - } - return false; - }); - } - }, - - _removeDuplicateRules: function(rules) { - if (!rules) { return; } - - // remove duplicates - var ruleCache = {}, - ruleList, rule, i; - - for (i = rules.length - 1; i >= 0 ; i--) { - rule = rules[i]; - if (rule instanceof tree.Rule) { - if (!ruleCache[rule.name]) { - ruleCache[rule.name] = rule; - } else { - ruleList = ruleCache[rule.name]; - if (ruleList instanceof tree.Rule) { - ruleList = ruleCache[rule.name] = [ruleCache[rule.name].toCSS(this._context)]; - } - var ruleCSS = rule.toCSS(this._context); - if (ruleList.indexOf(ruleCSS) !== -1) { - rules.splice(i, 1); - } else { - ruleList.push(ruleCSS); - } - } - } - } - }, - - _mergeRules: function (rules) { - if (!rules) { return; } - - var groups = {}, - parts, - rule, - key; - - for (var i = 0; i < rules.length; i++) { - rule = rules[i]; - - if ((rule instanceof tree.Rule) && rule.merge) { - key = [rule.name, - rule.important ? "!" : ""].join(","); - - if (!groups[key]) { - groups[key] = []; - } else { - rules.splice(i--, 1); - } - - groups[key].push(rule); - } - } - - Object.keys(groups).map(function (k) { - - function toExpression(values) { - return new (tree.Expression)(values.map(function (p) { - return p.value; - })); - } - - function toValue(values) { - return new (tree.Value)(values.map(function (p) { - return p; - })); - } - - parts = groups[k]; - - if (parts.length > 1) { - rule = parts[0]; - var spacedGroups = []; - var lastSpacedGroup = []; - parts.map(function (p) { - if (p.merge === "+") { - if (lastSpacedGroup.length > 0) { - spacedGroups.push(toExpression(lastSpacedGroup)); - } - lastSpacedGroup = []; - } - lastSpacedGroup.push(p); - }); - spacedGroups.push(toExpression(lastSpacedGroup)); - rule.value = toValue(spacedGroups); - } - }); - }, - - visitAnonymous: function(anonymousNode, visitArgs) { - if (anonymousNode.blocksVisibility()) { - return ; - } - anonymousNode.accept(this._visitor); - return anonymousNode; - } -}; - -module.exports = ToCSSVisitor; - -},{"../tree":62,"./visitor":91}],91:[function(require,module,exports){ -var tree = require("../tree"); - -var _visitArgs = { visitDeeper: true }, - _hasIndexed = false; - -function _noop(node) { - return node; -} - -function indexNodeTypes(parent, ticker) { - // add .typeIndex to tree node types for lookup table - var key, child; - for (key in parent) { - if (parent.hasOwnProperty(key)) { - child = parent[key]; - switch (typeof child) { - case "function": - // ignore bound functions directly on tree which do not have a prototype - // or aren't nodes - if (child.prototype && child.prototype.type) { - child.prototype.typeIndex = ticker++; - } - break; - case "object": - ticker = indexNodeTypes(child, ticker); - break; - } - } - } - return ticker; -} - -var Visitor = function(implementation) { - this._implementation = implementation; - this._visitFnCache = []; - - if (!_hasIndexed) { - indexNodeTypes(tree, 1); - _hasIndexed = true; - } -}; - -Visitor.prototype = { - visit: function(node) { - if (!node) { - return node; - } - - var nodeTypeIndex = node.typeIndex; - if (!nodeTypeIndex) { - return node; - } - - var visitFnCache = this._visitFnCache, - impl = this._implementation, - aryIndx = nodeTypeIndex << 1, - outAryIndex = aryIndx | 1, - func = visitFnCache[aryIndx], - funcOut = visitFnCache[outAryIndex], - visitArgs = _visitArgs, - fnName; - - visitArgs.visitDeeper = true; - - if (!func) { - fnName = "visit" + node.type; - func = impl[fnName] || _noop; - funcOut = impl[fnName + "Out"] || _noop; - visitFnCache[aryIndx] = func; - visitFnCache[outAryIndex] = funcOut; - } - - if (func !== _noop) { - var newNode = func.call(impl, node, visitArgs); - if (impl.isReplacing) { - node = newNode; - } - } - - if (visitArgs.visitDeeper && node && node.accept) { - node.accept(this); - } - - if (funcOut != _noop) { - funcOut.call(impl, node); - } - - return node; - }, - visitArray: function(nodes, nonReplacing) { - if (!nodes) { - return nodes; - } - - var cnt = nodes.length, i; - - // Non-replacing - if (nonReplacing || !this._implementation.isReplacing) { - for (i = 0; i < cnt; i++) { - this.visit(nodes[i]); - } - return nodes; - } - - // Replacing - var out = []; - for (i = 0; i < cnt; i++) { - var evald = this.visit(nodes[i]); - if (evald === undefined) { continue; } - if (!evald.splice) { - out.push(evald); - } else if (evald.length) { - this.flatten(evald, out); - } - } - return out; - }, - flatten: function(arr, out) { - if (!out) { - out = []; - } - - var cnt, i, item, - nestedCnt, j, nestedItem; - - for (i = 0, cnt = arr.length; i < cnt; i++) { - item = arr[i]; - if (item === undefined) { - continue; - } - if (!item.splice) { - out.push(item); - continue; - } - - for (j = 0, nestedCnt = item.length; j < nestedCnt; j++) { - nestedItem = item[j]; - if (nestedItem === undefined) { - continue; - } - if (!nestedItem.splice) { - out.push(nestedItem); - } else if (nestedItem.length) { - this.flatten(nestedItem, out); - } - } - } - - return out; - } -}; -module.exports = Visitor; - -},{"../tree":62}],92:[function(require,module,exports){ -"use strict"; - -// rawAsap provides everything we need except exception management. -var rawAsap = require("./raw"); -// RawTasks are recycled to reduce GC churn. -var freeTasks = []; -// We queue errors to ensure they are thrown in right order (FIFO). -// Array-as-queue is good enough here, since we are just dealing with exceptions. -var pendingErrors = []; -var requestErrorThrow = rawAsap.makeRequestCallFromTimer(throwFirstError); - -function throwFirstError() { - if (pendingErrors.length) { - throw pendingErrors.shift(); - } -} - -/** - * Calls a task as soon as possible after returning, in its own event, with priority - * over other events like animation, reflow, and repaint. An error thrown from an - * event will not interrupt, nor even substantially slow down the processing of - * other events, but will be rather postponed to a lower priority event. - * @param {{call}} task A callable object, typically a function that takes no - * arguments. - */ -module.exports = asap; -function asap(task) { - var rawTask; - if (freeTasks.length) { - rawTask = freeTasks.pop(); - } else { - rawTask = new RawTask(); - } - rawTask.task = task; - rawAsap(rawTask); -} - -// We wrap tasks with recyclable task objects. A task object implements -// `call`, just like a function. -function RawTask() { - this.task = null; -} - -// The sole purpose of wrapping the task is to catch the exception and recycle -// the task object after its single use. -RawTask.prototype.call = function () { - try { - this.task.call(); - } catch (error) { - if (asap.onerror) { - // This hook exists purely for testing purposes. - // Its name will be periodically randomized to break any code that - // depends on its existence. - asap.onerror(error); - } else { - // In a web browser, exceptions are not fatal. However, to avoid - // slowing down the queue of pending tasks, we rethrow the error in a - // lower priority turn. - pendingErrors.push(error); - requestErrorThrow(); - } - } finally { - this.task = null; - freeTasks[freeTasks.length] = this; - } -}; - -},{"./raw":93}],93:[function(require,module,exports){ -(function (global){ -"use strict"; - -// Use the fastest means possible to execute a task in its own turn, with -// priority over other events including IO, animation, reflow, and redraw -// events in browsers. -// -// An exception thrown by a task will permanently interrupt the processing of -// subsequent tasks. The higher level `asap` function ensures that if an -// exception is thrown by a task, that the task queue will continue flushing as -// soon as possible, but if you use `rawAsap` directly, you are responsible to -// either ensure that no exceptions are thrown from your task, or to manually -// call `rawAsap.requestFlush` if an exception is thrown. -module.exports = rawAsap; -function rawAsap(task) { - if (!queue.length) { - requestFlush(); - flushing = true; - } - // Equivalent to push, but avoids a function call. - queue[queue.length] = task; -} - -var queue = []; -// Once a flush has been requested, no further calls to `requestFlush` are -// necessary until the next `flush` completes. -var flushing = false; -// `requestFlush` is an implementation-specific method that attempts to kick -// off a `flush` event as quickly as possible. `flush` will attempt to exhaust -// the event queue before yielding to the browser's own event loop. -var requestFlush; -// The position of the next task to execute in the task queue. This is -// preserved between calls to `flush` so that it can be resumed if -// a task throws an exception. -var index = 0; -// If a task schedules additional tasks recursively, the task queue can grow -// unbounded. To prevent memory exhaustion, the task queue will periodically -// truncate already-completed tasks. -var capacity = 1024; - -// The flush function processes all tasks that have been scheduled with -// `rawAsap` unless and until one of those tasks throws an exception. -// If a task throws an exception, `flush` ensures that its state will remain -// consistent and will resume where it left off when called again. -// However, `flush` does not make any arrangements to be called again if an -// exception is thrown. -function flush() { - while (index < queue.length) { - var currentIndex = index; - // Advance the index before calling the task. This ensures that we will - // begin flushing on the next task the task throws an error. - index = index + 1; - queue[currentIndex].call(); - // Prevent leaking memory for long chains of recursive calls to `asap`. - // If we call `asap` within tasks scheduled by `asap`, the queue will - // grow, but to avoid an O(n) walk for every task we execute, we don't - // shift tasks off the queue after they have been executed. - // Instead, we periodically shift 1024 tasks off the queue. - if (index > capacity) { - // Manually shift all values starting at the index back to the - // beginning of the queue. - for (var scan = 0, newLength = queue.length - index; scan < newLength; scan++) { - queue[scan] = queue[scan + index]; - } - queue.length -= index; - index = 0; - } - } - queue.length = 0; - index = 0; - flushing = false; -} - -// `requestFlush` is implemented using a strategy based on data collected from -// every available SauceLabs Selenium web driver worker at time of writing. -// https://docs.google.com/spreadsheets/d/1mG-5UYGup5qxGdEMWkhP6BWCz053NUb2E1QoUTU16uA/edit#gid=783724593 - -// Safari 6 and 6.1 for desktop, iPad, and iPhone are the only browsers that -// have WebKitMutationObserver but not un-prefixed MutationObserver. -// Must use `global` instead of `window` to work in both frames and web -// workers. `global` is a provision of Browserify, Mr, Mrs, or Mop. -var BrowserMutationObserver = global.MutationObserver || global.WebKitMutationObserver; - -// MutationObservers are desirable because they have high priority and work -// reliably everywhere they are implemented. -// They are implemented in all modern browsers. -// -// - Android 4-4.3 -// - Chrome 26-34 -// - Firefox 14-29 -// - Internet Explorer 11 -// - iPad Safari 6-7.1 -// - iPhone Safari 7-7.1 -// - Safari 6-7 -if (typeof BrowserMutationObserver === "function") { - requestFlush = makeRequestCallFromMutationObserver(flush); - -// MessageChannels are desirable because they give direct access to the HTML -// task queue, are implemented in Internet Explorer 10, Safari 5.0-1, and Opera -// 11-12, and in web workers in many engines. -// Although message channels yield to any queued rendering and IO tasks, they -// would be better than imposing the 4ms delay of timers. -// However, they do not work reliably in Internet Explorer or Safari. - -// Internet Explorer 10 is the only browser that has setImmediate but does -// not have MutationObservers. -// Although setImmediate yields to the browser's renderer, it would be -// preferrable to falling back to setTimeout since it does not have -// the minimum 4ms penalty. -// Unfortunately there appears to be a bug in Internet Explorer 10 Mobile (and -// Desktop to a lesser extent) that renders both setImmediate and -// MessageChannel useless for the purposes of ASAP. -// https://github.com/kriskowal/q/issues/396 - -// Timers are implemented universally. -// We fall back to timers in workers in most engines, and in foreground -// contexts in the following browsers. -// However, note that even this simple case requires nuances to operate in a -// broad spectrum of browsers. -// -// - Firefox 3-13 -// - Internet Explorer 6-9 -// - iPad Safari 4.3 -// - Lynx 2.8.7 -} else { - requestFlush = makeRequestCallFromTimer(flush); -} - -// `requestFlush` requests that the high priority event queue be flushed as -// soon as possible. -// This is useful to prevent an error thrown in a task from stalling the event -// queue if the exception handled by Node.js’s -// `process.on("uncaughtException")` or by a domain. -rawAsap.requestFlush = requestFlush; - -// To request a high priority event, we induce a mutation observer by toggling -// the text of a text node between "1" and "-1". -function makeRequestCallFromMutationObserver(callback) { - var toggle = 1; - var observer = new BrowserMutationObserver(callback); - var node = document.createTextNode(""); - observer.observe(node, {characterData: true}); - return function requestCall() { - toggle = -toggle; - node.data = toggle; - }; -} - -// The message channel technique was discovered by Malte Ubl and was the -// original foundation for this library. -// http://www.nonblocking.io/2011/06/windownexttick.html - -// Safari 6.0.5 (at least) intermittently fails to create message ports on a -// page's first load. Thankfully, this version of Safari supports -// MutationObservers, so we don't need to fall back in that case. - -// function makeRequestCallFromMessageChannel(callback) { -// var channel = new MessageChannel(); -// channel.port1.onmessage = callback; -// return function requestCall() { -// channel.port2.postMessage(0); -// }; -// } - -// For reasons explained above, we are also unable to use `setImmediate` -// under any circumstances. -// Even if we were, there is another bug in Internet Explorer 10. -// It is not sufficient to assign `setImmediate` to `requestFlush` because -// `setImmediate` must be called *by name* and therefore must be wrapped in a -// closure. -// Never forget. - -// function makeRequestCallFromSetImmediate(callback) { -// return function requestCall() { -// setImmediate(callback); -// }; -// } - -// Safari 6.0 has a problem where timers will get lost while the user is -// scrolling. This problem does not impact ASAP because Safari 6.0 supports -// mutation observers, so that implementation is used instead. -// However, if we ever elect to use timers in Safari, the prevalent work-around -// is to add a scroll event listener that calls for a flush. - -// `setTimeout` does not call the passed callback if the delay is less than -// approximately 7 in web workers in Firefox 8 through 18, and sometimes not -// even then. - -function makeRequestCallFromTimer(callback) { - return function requestCall() { - // We dispatch a timeout with a specified delay of 0 for engines that - // can reliably accommodate that request. This will usually be snapped - // to a 4 milisecond delay, but once we're flushing, there's no delay - // between events. - var timeoutHandle = setTimeout(handleTimer, 0); - // However, since this timer gets frequently dropped in Firefox - // workers, we enlist an interval handle that will try to fire - // an event 20 times per second until it succeeds. - var intervalHandle = setInterval(handleTimer, 50); - - function handleTimer() { - // Whichever timer succeeds will cancel both timers and - // execute the callback. - clearTimeout(timeoutHandle); - clearInterval(intervalHandle); - callback(); - } - }; -} - -// This is for `asap.js` only. -// Its name will be periodically randomized to break any code that depends on -// its existence. -rawAsap.makeRequestCallFromTimer = makeRequestCallFromTimer; - -// ASAP was originally a nextTick shim included in Q. This was factored out -// into this ASAP package. It was later adapted to RSVP which made further -// amendments. These decisions, particularly to marginalize MessageChannel and -// to capture the MutationObserver implementation in a closure, were integrated -// back into ASAP proper. -// https://github.com/tildeio/rsvp.js/blob/cddf7232546a9cf858524b75cde6f9edf72620a7/lib/rsvp/asap.js - -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],94:[function(require,module,exports){ -'use strict'; - -var asap = require('asap/raw'); - -function noop() {} - -// States: -// -// 0 - pending -// 1 - fulfilled with _value -// 2 - rejected with _value -// 3 - adopted the state of another promise, _value -// -// once the state is no longer pending (0) it is immutable - -// All `_` prefixed properties will be reduced to `_{random number}` -// at build time to obfuscate them and discourage their use. -// We don't use symbols or Object.defineProperty to fully hide them -// because the performance isn't good enough. - - -// to avoid using try/catch inside critical functions, we -// extract them to here. -var LAST_ERROR = null; -var IS_ERROR = {}; -function getThen(obj) { - try { - return obj.then; - } catch (ex) { - LAST_ERROR = ex; - return IS_ERROR; - } -} - -function tryCallOne(fn, a) { - try { - return fn(a); - } catch (ex) { - LAST_ERROR = ex; - return IS_ERROR; - } -} -function tryCallTwo(fn, a, b) { - try { - fn(a, b); - } catch (ex) { - LAST_ERROR = ex; - return IS_ERROR; - } -} - -module.exports = Promise; - -function Promise(fn) { - if (typeof this !== 'object') { - throw new TypeError('Promises must be constructed via new'); - } - if (typeof fn !== 'function') { - throw new TypeError('not a function'); - } - this._45 = 0; - this._81 = 0; - this._65 = null; - this._54 = null; - if (fn === noop) return; - doResolve(fn, this); -} -Promise._10 = null; -Promise._97 = null; -Promise._61 = noop; - -Promise.prototype.then = function(onFulfilled, onRejected) { - if (this.constructor !== Promise) { - return safeThen(this, onFulfilled, onRejected); - } - var res = new Promise(noop); - handle(this, new Handler(onFulfilled, onRejected, res)); - return res; -}; - -function safeThen(self, onFulfilled, onRejected) { - return new self.constructor(function (resolve, reject) { - var res = new Promise(noop); - res.then(resolve, reject); - handle(self, new Handler(onFulfilled, onRejected, res)); - }); -}; -function handle(self, deferred) { - while (self._81 === 3) { - self = self._65; - } - if (Promise._10) { - Promise._10(self); - } - if (self._81 === 0) { - if (self._45 === 0) { - self._45 = 1; - self._54 = deferred; - return; - } - if (self._45 === 1) { - self._45 = 2; - self._54 = [self._54, deferred]; - return; - } - self._54.push(deferred); - return; - } - handleResolved(self, deferred); -} - -function handleResolved(self, deferred) { - asap(function() { - var cb = self._81 === 1 ? deferred.onFulfilled : deferred.onRejected; - if (cb === null) { - if (self._81 === 1) { - resolve(deferred.promise, self._65); - } else { - reject(deferred.promise, self._65); - } - return; - } - var ret = tryCallOne(cb, self._65); - if (ret === IS_ERROR) { - reject(deferred.promise, LAST_ERROR); - } else { - resolve(deferred.promise, ret); - } - }); -} -function resolve(self, newValue) { - // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure - if (newValue === self) { - return reject( - self, - new TypeError('A promise cannot be resolved with itself.') - ); - } - if ( - newValue && - (typeof newValue === 'object' || typeof newValue === 'function') - ) { - var then = getThen(newValue); - if (then === IS_ERROR) { - return reject(self, LAST_ERROR); - } - if ( - then === self.then && - newValue instanceof Promise - ) { - self._81 = 3; - self._65 = newValue; - finale(self); - return; - } else if (typeof then === 'function') { - doResolve(then.bind(newValue), self); - return; - } - } - self._81 = 1; - self._65 = newValue; - finale(self); -} - -function reject(self, newValue) { - self._81 = 2; - self._65 = newValue; - if (Promise._97) { - Promise._97(self, newValue); - } - finale(self); -} -function finale(self) { - if (self._45 === 1) { - handle(self, self._54); - self._54 = null; - } - if (self._45 === 2) { - for (var i = 0; i < self._54.length; i++) { - handle(self, self._54[i]); - } - self._54 = null; - } -} - -function Handler(onFulfilled, onRejected, promise){ - this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null; - this.onRejected = typeof onRejected === 'function' ? onRejected : null; - this.promise = promise; -} - -/** - * Take a potentially misbehaving resolver function and make sure - * onFulfilled and onRejected are only called once. - * - * Makes no guarantees about asynchrony. - */ -function doResolve(fn, promise) { - var done = false; - var res = tryCallTwo(fn, function (value) { - if (done) return; - done = true; - resolve(promise, value); - }, function (reason) { - if (done) return; - done = true; - reject(promise, reason); - }) - if (!done && res === IS_ERROR) { - done = true; - reject(promise, LAST_ERROR); - } -} - -},{"asap/raw":93}],95:[function(require,module,exports){ -'use strict'; - -//This file contains the ES6 extensions to the core Promises/A+ API - -var Promise = require('./core.js'); - -module.exports = Promise; - -/* Static Functions */ - -var TRUE = valuePromise(true); -var FALSE = valuePromise(false); -var NULL = valuePromise(null); -var UNDEFINED = valuePromise(undefined); -var ZERO = valuePromise(0); -var EMPTYSTRING = valuePromise(''); - -function valuePromise(value) { - var p = new Promise(Promise._61); - p._81 = 1; - p._65 = value; - return p; -} -Promise.resolve = function (value) { - if (value instanceof Promise) return value; - - if (value === null) return NULL; - if (value === undefined) return UNDEFINED; - if (value === true) return TRUE; - if (value === false) return FALSE; - if (value === 0) return ZERO; - if (value === '') return EMPTYSTRING; - - if (typeof value === 'object' || typeof value === 'function') { - try { - var then = value.then; - if (typeof then === 'function') { - return new Promise(then.bind(value)); - } - } catch (ex) { - return new Promise(function (resolve, reject) { - reject(ex); - }); - } - } - return valuePromise(value); -}; - -Promise.all = function (arr) { - var args = Array.prototype.slice.call(arr); - - return new Promise(function (resolve, reject) { - if (args.length === 0) return resolve([]); - var remaining = args.length; - function res(i, val) { - if (val && (typeof val === 'object' || typeof val === 'function')) { - if (val instanceof Promise && val.then === Promise.prototype.then) { - while (val._81 === 3) { - val = val._65; - } - if (val._81 === 1) return res(i, val._65); - if (val._81 === 2) reject(val._65); - val.then(function (val) { - res(i, val); - }, reject); - return; - } else { - var then = val.then; - if (typeof then === 'function') { - var p = new Promise(then.bind(val)); - p.then(function (val) { - res(i, val); - }, reject); - return; - } - } - } - args[i] = val; - if (--remaining === 0) { - resolve(args); - } - } - for (var i = 0; i < args.length; i++) { - res(i, args[i]); - } - }); -}; - -Promise.reject = function (value) { - return new Promise(function (resolve, reject) { - reject(value); - }); -}; - -Promise.race = function (values) { - return new Promise(function (resolve, reject) { - values.forEach(function(value){ - Promise.resolve(value).then(resolve, reject); - }); - }); -}; - -/* Prototype Methods */ - -Promise.prototype['catch'] = function (onRejected) { - return this.then(null, onRejected); -}; - -},{"./core.js":94}],96:[function(require,module,exports){ -// should work in any browser without browserify - -if (typeof Promise.prototype.done !== 'function') { - Promise.prototype.done = function (onFulfilled, onRejected) { - var self = arguments.length ? this.then.apply(this, arguments) : this - self.then(null, function (err) { - setTimeout(function () { - throw err - }, 0) - }) - } -} -},{}],97:[function(require,module,exports){ -// not "use strict" so we can declare global "Promise" - -var asap = require('asap'); - -if (typeof Promise === 'undefined') { - Promise = require('./lib/core.js') - require('./lib/es6-extensions.js') -} - -require('./polyfill-done.js'); - -},{"./lib/core.js":94,"./lib/es6-extensions.js":95,"./polyfill-done.js":96,"asap":92}]},{},[2])(2) -}); \ No newline at end of file diff --git a/dist/less.min.js b/dist/less.min.js deleted file mode 100644 index b271f4f32..000000000 --- a/dist/less.min.js +++ /dev/null @@ -1,17 +0,0 @@ -/*! - * Less - Leaner CSS v2.7.1 - * http://lesscss.org - * - * Copyright (c) 2009-2016, Alexis Sellier - * Licensed under the Apache-2.0 License. - * - */ - - /** * @license Apache-2.0 - */ - -!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.less=a()}}(function(){return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c?c:a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;d.length>g;g++)e(d[g]);return e}({1:[function(a,b,c){var d=a("./utils").addDataAttr,e=a("./browser");b.exports=function(a,b){d(b,e.currentScript(a)),void 0===b.isFileProtocol&&(b.isFileProtocol=/^(file|(chrome|safari)(-extension)?|resource|qrc|app):/.test(a.location.protocol)),b.async=b.async||!1,b.fileAsync=b.fileAsync||!1,b.poll=b.poll||(b.isFileProtocol?1e3:1500),b.env=b.env||("127.0.0.1"==a.location.hostname||"0.0.0.0"==a.location.hostname||"localhost"==a.location.hostname||a.location.port&&a.location.port.length>0||b.isFileProtocol?"development":"production");var c=/!dumpLineNumbers:(comments|mediaquery|all)/.exec(a.location.hash);c&&(b.dumpLineNumbers=c[1]),void 0===b.useFileCache&&(b.useFileCache=!0),void 0===b.onReady&&(b.onReady=!0)}},{"./browser":3,"./utils":10}],2:[function(a,b,c){function d(a){a.filename&&console.warn(a),e.async||h.removeChild(i)}a("promise/polyfill.js");var e=window.less||{};a("./add-default-options")(window,e);var f=b.exports=a("./index")(window,e);window.less=f;var g,h,i;e.onReady&&(/!watch/.test(window.location.hash)&&f.watch(),e.async||(g="body { display: none !important }",h=document.head||document.getElementsByTagName("head")[0],i=document.createElement("style"),i.type="text/css",i.styleSheet?i.styleSheet.cssText=g:i.appendChild(document.createTextNode(g)),h.appendChild(i)),f.registerStylesheetsImmediately(),f.pageLoadFinished=f.refresh("development"===f.env).then(d,d))},{"./add-default-options":1,"./index":8,"promise/polyfill.js":97}],3:[function(a,b,c){var d=a("./utils");b.exports={createCSS:function(a,b,c){var e=c.href||"",f="less:"+(c.title||d.extractId(e)),g=a.getElementById(f),h=!1,i=a.createElement("style");i.setAttribute("type","text/css"),c.media&&i.setAttribute("media",c.media),i.id=f,i.styleSheet||(i.appendChild(a.createTextNode(b)),h=null!==g&&g.childNodes.length>0&&i.childNodes.length>0&&g.firstChild.nodeValue===i.firstChild.nodeValue);var j=a.getElementsByTagName("head")[0];if(null===g||h===!1){var k=c&&c.nextSibling||null;k?k.parentNode.insertBefore(i,k):j.appendChild(i)}if(g&&h===!1&&g.parentNode.removeChild(g),i.styleSheet)try{i.styleSheet.cssText=b}catch(l){throw new Error("Couldn't reassign styleSheet.cssText.")}},currentScript:function(a){var b=a.document;return b.currentScript||function(){var a=b.getElementsByTagName("script");return a[a.length-1]}()}}},{"./utils":10}],4:[function(a,b,c){b.exports=function(a,b,c){var d=null;if("development"!==b.env)try{d="undefined"==typeof a.localStorage?null:a.localStorage}catch(e){}return{setCSS:function(a,b,e,f){if(d){c.info("saving "+a+" to cache.");try{d.setItem(a,f),d.setItem(a+":timestamp",b),e&&d.setItem(a+":vars",JSON.stringify(e))}catch(g){c.error('failed to save "'+a+'" to local storage for caching.')}}},getCSS:function(a,b,c){var e=d&&d.getItem(a),f=d&&d.getItem(a+":timestamp"),g=d&&d.getItem(a+":vars");return c=c||{},f&&b.lastModified&&new Date(b.lastModified).valueOf()===new Date(f).valueOf()&&(!c&&!g||JSON.stringify(c)===g)?e:void 0}}}},{}],5:[function(a,b,c){var d=a("./utils"),e=a("./browser");b.exports=function(a,b,c){function f(b,f){var g,h,i="less-error-message:"+d.extractId(f||""),j='
  • {content}
    • ',k=a.document.createElement("div"),l=[],m=b.filename||f,n=m.match(/([^\/]+(\?.*)?)$/)[1];k.id=i,k.className="less-error-message",h="

    "+(b.type||"Syntax")+"Error: "+(b.message||"There is an error in your .less file")+'

    in '+n+" ";var o=function(a,b,c){void 0!==a.extract[b]&&l.push(j.replace(/\{line\}/,(parseInt(a.line,10)||0)+(b-1)).replace(/\{class\}/,c).replace(/\{content\}/,a.extract[b]))};b.extract&&(o(b,0,""),o(b,1,"line"),o(b,2,""),h+="on line "+b.line+", column "+(b.column+1)+":

      "+l.join("")+"
    "),b.stack&&(b.extract||c.logLevel>=4)&&(h+="
    Stack Trace
    "+b.stack.split("\n").slice(1).join("
    ")),k.innerHTML=h,e.createCSS(a.document,[".less-error-message ul, .less-error-message li {","list-style-type: none;","margin-right: 15px;","padding: 4px 0;","margin: 0;","}",".less-error-message label {","font-size: 12px;","margin-right: 15px;","padding: 4px 0;","color: #cc7777;","}",".less-error-message pre {","color: #dd6666;","padding: 4px 0;","margin: 0;","display: inline-block;","}",".less-error-message pre.line {","color: #ff0000;","}",".less-error-message h3 {","font-size: 20px;","font-weight: bold;","padding: 15px 0 5px 0;","margin: 0;","}",".less-error-message a {","color: #10a","}",".less-error-message .error {","color: red;","font-weight: bold;","padding-bottom: 2px;","border-bottom: 1px dashed red;","}"].join("\n"),{title:"error-message"}),k.style.cssText=["font-family: Arial, sans-serif","border: 1px solid #e00","background-color: #eee","border-radius: 5px","-webkit-border-radius: 5px","-moz-border-radius: 5px","color: #e00","padding: 15px","margin-bottom: 15px"].join(";"),"development"===c.env&&(g=setInterval(function(){var b=a.document,c=b.body;c&&(b.getElementById(i)?c.replaceChild(k,b.getElementById(i)):c.insertBefore(k,c.firstChild),clearInterval(g))},10))}function g(b){var c=a.document.getElementById("less-error-message:"+d.extractId(b));c&&c.parentNode.removeChild(c)}function h(a){}function i(a){c.errorReporting&&"html"!==c.errorReporting?"console"===c.errorReporting?h(a):"function"==typeof c.errorReporting&&c.errorReporting("remove",a):g(a)}function j(a,d){var e="{line} {content}",f=a.filename||d,g=[],h=(a.type||"Syntax")+"Error: "+(a.message||"There is an error in your .less file")+" in "+f+" ",i=function(a,b,c){void 0!==a.extract[b]&&g.push(e.replace(/\{line\}/,(parseInt(a.line,10)||0)+(b-1)).replace(/\{class\}/,c).replace(/\{content\}/,a.extract[b]))};a.extract&&(i(a,0,""),i(a,1,"line"),i(a,2,""),h+="on line "+a.line+", column "+(a.column+1)+":\n"+g.join("\n")),a.stack&&(a.extract||c.logLevel>=4)&&(h+="\nStack Trace\n"+a.stack),b.logger.error(h)}function k(a,b){c.errorReporting&&"html"!==c.errorReporting?"console"===c.errorReporting?j(a,b):"function"==typeof c.errorReporting&&c.errorReporting("add",a,b):f(a,b)}return{add:k,remove:i}}},{"./browser":3,"./utils":10}],6:[function(a,b,c){b.exports=function(b,c){function d(){if(window.XMLHttpRequest&&!("file:"===window.location.protocol&&"ActiveXObject"in window))return new XMLHttpRequest;try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(a){return c.error("browser doesn't support AJAX."),null}}var e=a("../less/environment/abstract-file-manager.js"),f={},g=function(){};return g.prototype=new e,g.prototype.alwaysMakePathsAbsolute=function(){return!0},g.prototype.join=function(a,b){return a?this.extractUrlParts(b,a).path:b},g.prototype.doXHR=function(a,e,f,g){function h(b,c,d){b.status>=200&&300>b.status?c(b.responseText,b.getResponseHeader("Last-Modified")):"function"==typeof d&&d(b.status,a)}var i=d(),j=b.isFileProtocol?b.fileAsync:!0;"function"==typeof i.overrideMimeType&&i.overrideMimeType("text/css"),c.debug("XHR: Getting '"+a+"'"),i.open("GET",a,j),i.setRequestHeader("Accept",e||"text/x-less, text/css; q=0.9, */*; q=0.5"),i.send(null),b.isFileProtocol&&!b.fileAsync?0===i.status||i.status>=200&&300>i.status?f(i.responseText):g(i.status,a):j?i.onreadystatechange=function(){4==i.readyState&&h(i,f,g)}:h(i,f,g)},g.prototype.supports=function(a,b,c,d){return!0},g.prototype.clearFileCache=function(){f={}},g.prototype.loadFile=function(a,b,c,d,e){b&&!this.isPathAbsolute(a)&&(a=b+a),c=c||{};var g=this.extractUrlParts(a,window.location.href),h=g.url;if(c.useFileCache&&f[h])try{var i=f[h];e(null,{contents:i,filename:h,webInfo:{lastModified:new Date}})}catch(j){e({filename:h,message:"Error loading file "+h+" error was "+j.message})}else this.doXHR(h,c.mime,function(a,b){f[h]=a,e(null,{contents:a,filename:h,webInfo:{lastModified:b}})},function(a,b){e({type:"File",message:"'"+b+"' wasn't found ("+a+")",href:h})})},g}},{"../less/environment/abstract-file-manager.js":15}],7:[function(a,b,c){b.exports=function(){function b(){throw{type:"Runtime",message:"Image size functions are not supported in browser version of less"}}var c=a("./../less/functions/function-registry"),d={"image-size":function(a){return b(this,a),-1},"image-width":function(a){return b(this,a),-1},"image-height":function(a){return b(this,a),-1}};c.addMultiple(d)}},{"./../less/functions/function-registry":22}],8:[function(a,b,c){var d=a("./utils").addDataAttr,e=a("./browser");b.exports=function(b,c){function f(a){return c.postProcessor&&"function"==typeof c.postProcessor&&(a=c.postProcessor.call(a,a)||a),a}function g(a){var b={};for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c]);return b}function h(a,b){var c=Array.prototype.slice.call(arguments,2);return function(){var d=c.concat(Array.prototype.slice.call(arguments,0));return a.apply(b,d)}}function i(a){for(var b,d=m.getElementsByTagName("style"),e=0;d.length>e;e++)if(b=d[e],b.type.match(t)){var f=g(c);f.modifyVars=a;var i=b.innerHTML||"";f.filename=m.location.href.replace(/#.*$/,""),n.render(i,f,h(function(a,b,c){b?r.add(b,"inline"):(a.type="text/css",a.styleSheet?a.styleSheet.cssText=c.css:a.innerHTML=c.css)},null,b))}}function j(a,b,e,h,i){function j(c){var d=c.contents,g=c.filename,i=c.webInfo,j={currentDirectory:q.getPath(g),filename:g,rootFilename:g,relativeUrls:k.relativeUrls};if(j.entryPath=j.currentDirectory,j.rootpath=k.rootpath||j.currentDirectory,i){i.remaining=h;var l=s.getCSS(g,i,k.modifyVars);if(!e&&l)return i.local=!0,void b(null,l,d,a,i,g)}r.remove(g),k.rootFileInfo=j,n.render(d,k,function(c,e){c?(c.href=g,b(c)):(e.css=f(e.css),s.setCSS(a.href,i.lastModified,k.modifyVars,e.css),b(null,e.css,d,a,i,g))})}var k=g(c);d(k,a),k.mime=a.type,i&&(k.modifyVars=i),q.loadFile(a.href,null,k,o,function(a,c){return a?void b(a):void j(c)})}function k(a,b,c){for(var d=0;n.sheets.length>d;d++)j(n.sheets[d],a,b,n.sheets.length-(d+1),c)}function l(){"development"===n.env&&(n.watchTimer=setInterval(function(){n.watchMode&&(q.clearFileCache(),k(function(a,c,d,f,g){a?r.add(a,a.href||f.href):c&&e.createCSS(b.document,c,f)}))},c.poll))}var m=b.document,n=a("../less")();n.options=c;var o=n.environment,p=a("./file-manager")(c,n.logger),q=new p;o.addFileManager(q),n.FileManager=p,a("./log-listener")(n,c);var r=a("./error-reporting")(b,n,c),s=n.cache=c.cache||a("./cache")(b,c,n.logger);a("./image-size")(n.environment),c.functions&&n.functions.functionRegistry.addMultiple(c.functions);var t=/^text\/(x-)?less$/;return n.watch=function(){return n.watchMode||(n.env="development",l()),this.watchMode=!0,!0},n.unwatch=function(){return clearInterval(n.watchTimer),this.watchMode=!1,!1},n.registerStylesheetsImmediately=function(){var a=m.getElementsByTagName("link");n.sheets=[];for(var b=0;a.length>b;b++)("stylesheet/less"===a[b].rel||a[b].rel.match(/stylesheet/)&&a[b].type.match(t))&&n.sheets.push(a[b])},n.registerStylesheets=function(){return new Promise(function(a,b){n.registerStylesheetsImmediately(),a()})},n.modifyVars=function(a){return n.refresh(!0,a,!1)},n.refresh=function(a,c,d){return(a||d)&&d!==!1&&q.clearFileCache(),new Promise(function(d,f){var g,h,j,l;g=h=new Date,l=n.sheets.length,0===l?(h=new Date,j=h-g,n.logger.info("Less has finished and no sheets were loaded."),d({startTime:g,endTime:h,totalMilliseconds:j,sheets:n.sheets.length})):k(function(a,c,i,k,m){return a?(r.add(a,a.href||k.href),void f(a)):(n.logger.info(m.local?"Loading "+k.href+" from cache.":"Rendered "+k.href+" successfully."),e.createCSS(b.document,c,k),n.logger.info("CSS for "+k.href+" generated in "+(new Date-h)+"ms"),l--,0===l&&(j=new Date-g,n.logger.info("Less has finished. CSS generated in "+j+"ms"),d({startTime:g,endTime:h,totalMilliseconds:j,sheets:n.sheets.length})),void(h=new Date))},a,c),i(c)})},n.refreshStyles=i,n}},{"../less":31,"./browser":3,"./cache":4,"./error-reporting":5,"./file-manager":6,"./image-size":7,"./log-listener":9,"./utils":10}],9:[function(a,b,c){b.exports=function(a,b){var c=4,d=3,e=2,f=1;b.logLevel="undefined"!=typeof b.logLevel?b.logLevel:"development"===b.env?d:f,b.loggers||(b.loggers=[{debug:function(a){b.logLevel>=c&&console.log(a)},info:function(a){b.logLevel>=d&&console.log(a)},warn:function(a){b.logLevel>=e&&console.warn(a)},error:function(a){b.logLevel>=f&&console.error(a)}}]);for(var g=0;b.loggers.length>g;g++)a.logger.addListener(b.loggers[g])}},{}],10:[function(a,b,c){b.exports={extractId:function(a){return a.replace(/^[a-z-]+:\/+?[^\/]+/,"").replace(/[\?\&]livereload=\w+/,"").replace(/^\//,"").replace(/\.[a-zA-Z]+$/,"").replace(/[^\.\w-]+/g,"-").replace(/\./g,":")},addDataAttr:function(a,b){for(var c in b.dataset)if(b.dataset.hasOwnProperty(c))if("env"===c||"dumpLineNumbers"===c||"rootpath"===c||"errorReporting"===c)a[c]=b.dataset[c];else try{a[c]=JSON.parse(b.dataset[c])}catch(d){}}}},{}],11:[function(a,b,c){var d={};b.exports=d;var e=function(a,b,c){if(a)for(var d=0;c.length>d;d++)a.hasOwnProperty(c[d])&&(b[c[d]]=a[c[d]])},f=["paths","relativeUrls","rootpath","strictImports","insecure","dumpLineNumbers","compress","syncImport","chunkInput","mime","useFileCache","processImports","pluginManager"];d.Parse=function(a){e(a,this,f),"string"==typeof this.paths&&(this.paths=[this.paths])};var g=["paths","compress","ieCompat","strictMath","strictUnits","sourceMap","importMultiple","urlArgs","javascriptEnabled","pluginManager","importantScope"];d.Eval=function(a,b){e(a,this,g),"string"==typeof this.paths&&(this.paths=[this.paths]),this.frames=b||[],this.importantScope=this.importantScope||[]},d.Eval.prototype.inParenthesis=function(){this.parensStack||(this.parensStack=[]),this.parensStack.push(!0)},d.Eval.prototype.outOfParenthesis=function(){this.parensStack.pop()},d.Eval.prototype.isMathOn=function(){return this.strictMath?this.parensStack&&this.parensStack.length:!0},d.Eval.prototype.isPathRelative=function(a){return!/^(?:[a-z-]+:|\/|#)/i.test(a)},d.Eval.prototype.normalizePath=function(a){var b,c=a.split("/").reverse();for(a=[];0!==c.length;)switch(b=c.pop()){case".":break;case"..":0===a.length||".."===a[a.length-1]?a.push(b):a.pop();break;default:a.push(b)}return a.join("/")}},{}],12:[function(a,b,c){b.exports={aliceblue:"#f0f8ff",antiquewhite:"#faebd7",aqua:"#00ffff",aquamarine:"#7fffd4",azure:"#f0ffff",beige:"#f5f5dc",bisque:"#ffe4c4",black:"#000000",blanchedalmond:"#ffebcd",blue:"#0000ff",blueviolet:"#8a2be2",brown:"#a52a2a",burlywood:"#deb887",cadetblue:"#5f9ea0",chartreuse:"#7fff00",chocolate:"#d2691e",coral:"#ff7f50",cornflowerblue:"#6495ed",cornsilk:"#fff8dc",crimson:"#dc143c",cyan:"#00ffff",darkblue:"#00008b",darkcyan:"#008b8b",darkgoldenrod:"#b8860b",darkgray:"#a9a9a9",darkgrey:"#a9a9a9",darkgreen:"#006400",darkkhaki:"#bdb76b",darkmagenta:"#8b008b",darkolivegreen:"#556b2f",darkorange:"#ff8c00",darkorchid:"#9932cc",darkred:"#8b0000",darksalmon:"#e9967a",darkseagreen:"#8fbc8f",darkslateblue:"#483d8b",darkslategray:"#2f4f4f",darkslategrey:"#2f4f4f",darkturquoise:"#00ced1",darkviolet:"#9400d3",deeppink:"#ff1493",deepskyblue:"#00bfff",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1e90ff",firebrick:"#b22222",floralwhite:"#fffaf0",forestgreen:"#228b22",fuchsia:"#ff00ff",gainsboro:"#dcdcdc",ghostwhite:"#f8f8ff",gold:"#ffd700",goldenrod:"#daa520",gray:"#808080",grey:"#808080",green:"#008000",greenyellow:"#adff2f",honeydew:"#f0fff0",hotpink:"#ff69b4",indianred:"#cd5c5c",indigo:"#4b0082",ivory:"#fffff0",khaki:"#f0e68c",lavender:"#e6e6fa",lavenderblush:"#fff0f5",lawngreen:"#7cfc00",lemonchiffon:"#fffacd",lightblue:"#add8e6",lightcoral:"#f08080",lightcyan:"#e0ffff",lightgoldenrodyellow:"#fafad2",lightgray:"#d3d3d3",lightgrey:"#d3d3d3",lightgreen:"#90ee90",lightpink:"#ffb6c1",lightsalmon:"#ffa07a",lightseagreen:"#20b2aa",lightskyblue:"#87cefa",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#b0c4de",lightyellow:"#ffffe0",lime:"#00ff00",limegreen:"#32cd32",linen:"#faf0e6",magenta:"#ff00ff",maroon:"#800000",mediumaquamarine:"#66cdaa",mediumblue:"#0000cd",mediumorchid:"#ba55d3",mediumpurple:"#9370d8",mediumseagreen:"#3cb371",mediumslateblue:"#7b68ee",mediumspringgreen:"#00fa9a",mediumturquoise:"#48d1cc",mediumvioletred:"#c71585",midnightblue:"#191970",mintcream:"#f5fffa",mistyrose:"#ffe4e1",moccasin:"#ffe4b5",navajowhite:"#ffdead",navy:"#000080",oldlace:"#fdf5e6",olive:"#808000",olivedrab:"#6b8e23",orange:"#ffa500",orangered:"#ff4500",orchid:"#da70d6",palegoldenrod:"#eee8aa",palegreen:"#98fb98",paleturquoise:"#afeeee",palevioletred:"#d87093",papayawhip:"#ffefd5",peachpuff:"#ffdab9",peru:"#cd853f",pink:"#ffc0cb",plum:"#dda0dd",powderblue:"#b0e0e6",purple:"#800080",rebeccapurple:"#663399",red:"#ff0000",rosybrown:"#bc8f8f",royalblue:"#4169e1",saddlebrown:"#8b4513",salmon:"#fa8072",sandybrown:"#f4a460",seagreen:"#2e8b57",seashell:"#fff5ee",sienna:"#a0522d",silver:"#c0c0c0",skyblue:"#87ceeb",slateblue:"#6a5acd",slategray:"#708090",slategrey:"#708090",snow:"#fffafa",springgreen:"#00ff7f",steelblue:"#4682b4",tan:"#d2b48c",teal:"#008080",thistle:"#d8bfd8",tomato:"#ff6347",turquoise:"#40e0d0",violet:"#ee82ee",wheat:"#f5deb3",white:"#ffffff",whitesmoke:"#f5f5f5",yellow:"#ffff00",yellowgreen:"#9acd32"}},{}],13:[function(a,b,c){b.exports={colors:a("./colors"),unitConversions:a("./unit-conversions")}},{"./colors":12,"./unit-conversions":14}],14:[function(a,b,c){b.exports={length:{m:1,cm:.01,mm:.001,"in":.0254,px:.0254/96,pt:.0254/72,pc:.0254/72*12},duration:{s:1,ms:.001},angle:{rad:1/(2*Math.PI),deg:1/360,grad:.0025,turn:1}}},{}],15:[function(a,b,c){var d=function(){};d.prototype.getPath=function(a){var b=a.lastIndexOf("?");return b>0&&(a=a.slice(0,b)),b=a.lastIndexOf("/"),0>b&&(b=a.lastIndexOf("\\")),0>b?"":a.slice(0,b+1)},d.prototype.tryAppendExtension=function(a,b){return/(\.[a-z]*$)|([\?;].*)$/.test(a)?a:a+b},d.prototype.tryAppendLessExtension=function(a){return this.tryAppendExtension(a,".less")},d.prototype.supportsSync=function(){return!1},d.prototype.alwaysMakePathsAbsolute=function(){return!1},d.prototype.isPathAbsolute=function(a){return/^(?:[a-z-]+:|\/|\\|#)/i.test(a)},d.prototype.join=function(a,b){return a?a+b:b},d.prototype.pathDiff=function(a,b){var c,d,e,f,g=this.extractUrlParts(a),h=this.extractUrlParts(b),i="";if(g.hostPart!==h.hostPart)return"";for(d=Math.max(h.directories.length,g.directories.length),c=0;d>c&&h.directories[c]===g.directories[c];c++);for(f=h.directories.slice(c),e=g.directories.slice(c),c=0;f.length-1>c;c++)i+="../";for(c=0;e.length-1>c;c++)i+=e[c]+"/";return i},d.prototype.extractUrlParts=function(a,b){var c,d,e=/^((?:[a-z-]+:)?\/{2}(?:[^\/\?#]*\/)|([\/\\]))?((?:[^\/\\\?#]*[\/\\])*)([^\/\\\?#]*)([#\?].*)?$/i,f=a.match(e),g={},h=[];if(!f)throw new Error("Could not parse sheet href - '"+a+"'");if(b&&(!f[1]||f[2])){if(d=b.match(e),!d)throw new Error("Could not parse page url - '"+b+"'");f[1]=f[1]||d[1]||"",f[2]||(f[3]=d[3]+f[3])}if(f[3]){for(h=f[3].replace(/\\/g,"/").split("/"),c=0;h.length>c;c++)"."===h[c]&&(h.splice(c,1),c-=1);for(c=0;h.length>c;c++)".."===h[c]&&c>0&&(h.splice(c-1,2),c-=2)}return g.hostPart=f[1],g.directories=h,g.path=(f[1]||"")+h.join("/"),g.fileUrl=g.path+(f[4]||""),g.url=g.fileUrl+(f[5]||""),g},b.exports=d},{}],16:[function(a,b,c){var d=a("../logger"),e=function(a,b){this.fileManagers=b||[],a=a||{};for(var c=["encodeBase64","mimeLookup","charsetLookup","getSourceMapGenerator"],d=[],e=d.concat(c),f=0;e.length>f;f++){var g=e[f],h=a[g];h?this[g]=h.bind(a):d.length>f&&this.warn("missing required function in environment - "+g)}};e.prototype.getFileManager=function(a,b,c,e,f){a||d.warn("getFileManager called with no filename.. Please report this issue. continuing."),null==b&&d.warn("getFileManager called with null directory.. Please report this issue. continuing.");var g=this.fileManagers;c.pluginManager&&(g=[].concat(g).concat(c.pluginManager.getFileManagers()));for(var h=g.length-1;h>=0;h--){var i=g[h];if(i[f?"supportsSync":"supports"](a,b,c,e))return i}return null},e.prototype.addFileManager=function(a){this.fileManagers.push(a)},e.prototype.clearFileManagers=function(){this.fileManagers=[]},b.exports=e},{"../logger":33}],17:[function(a,b,c){function d(a,b,c){var d,f,g,h,i=b.alpha,j=c.alpha,k=[];g=j+i*(1-j);for(var l=0;3>l;l++)d=b.rgb[l]/255,f=c.rgb[l]/255,h=a(d,f),g&&(h=(j*f+i*(d-j*(d+f-h)))/g),k[l]=255*h;return new e(k,g)}var e=a("../tree/color"),f=a("./function-registry"),g={multiply:function(a,b){return a*b},screen:function(a,b){return a+b-a*b},overlay:function(a,b){return a*=2,1>=a?g.multiply(a,b):g.screen(a-1,b)},softlight:function(a,b){var c=1,d=a;return b>.5&&(d=1,c=a>.25?Math.sqrt(a):((16*a-12)*a+4)*a),a-(1-2*b)*d*(c-a)},hardlight:function(a,b){return g.overlay(b,a)},difference:function(a,b){return Math.abs(a-b)},exclusion:function(a,b){return a+b-2*a*b},average:function(a,b){return(a+b)/2},negation:function(a,b){return 1-Math.abs(a+b-1)}};for(var h in g)g.hasOwnProperty(h)&&(d[h]=d.bind(null,g[h]));f.addMultiple(d)},{"../tree/color":50,"./function-registry":22}],18:[function(a,b,c){function d(a){return Math.min(1,Math.max(0,a))}function e(a){return h.hsla(a.h,a.s,a.l,a.a)}function f(a){if(a instanceof i)return parseFloat(a.unit.is("%")?a.value/100:a.value);if("number"==typeof a)return a;throw{type:"Argument",message:"color functions take numbers as parameters"}}function g(a,b){return a instanceof i&&a.unit.is("%")?parseFloat(a.value*b/100):f(a)}var h,i=a("../tree/dimension"),j=a("../tree/color"),k=a("../tree/quoted"),l=a("../tree/anonymous"),m=a("./function-registry");h={rgb:function(a,b,c){return h.rgba(a,b,c,1)},rgba:function(a,b,c,d){var e=[a,b,c].map(function(a){return g(a,255)});return d=f(d),new j(e,d)},hsl:function(a,b,c){return h.hsla(a,b,c,1)},hsla:function(a,b,c,e){function g(a){return a=0>a?a+1:a>1?a-1:a,1>6*a?i+(j-i)*a*6:1>2*a?j:2>3*a?i+(j-i)*(2/3-a)*6:i}var i,j;return a=f(a)%360/360,b=d(f(b)),c=d(f(c)),e=d(f(e)),j=.5>=c?c*(b+1):c+b-c*b,i=2*c-j,h.rgba(255*g(a+1/3),255*g(a),255*g(a-1/3),e)},hsv:function(a,b,c){return h.hsva(a,b,c,1)},hsva:function(a,b,c,d){a=f(a)%360/360*360,b=f(b),c=f(c),d=f(d);var e,g;e=Math.floor(a/60%6),g=a/60-e;var i=[c,c*(1-b),c*(1-g*b),c*(1-(1-g)*b)],j=[[0,3,1],[2,0,1],[1,0,3],[1,2,0],[3,1,0],[0,1,2]];return h.rgba(255*i[j[e][0]],255*i[j[e][1]],255*i[j[e][2]],d)},hue:function(a){return new i(a.toHSL().h)},saturation:function(a){return new i(100*a.toHSL().s,"%")},lightness:function(a){return new i(100*a.toHSL().l,"%")},hsvhue:function(a){return new i(a.toHSV().h)},hsvsaturation:function(a){return new i(100*a.toHSV().s,"%")},hsvvalue:function(a){return new i(100*a.toHSV().v,"%")},red:function(a){return new i(a.rgb[0])},green:function(a){return new i(a.rgb[1])},blue:function(a){return new i(a.rgb[2])},alpha:function(a){return new i(a.toHSL().a)},luma:function(a){return new i(a.luma()*a.alpha*100,"%")},luminance:function(a){var b=.2126*a.rgb[0]/255+.7152*a.rgb[1]/255+.0722*a.rgb[2]/255;return new i(b*a.alpha*100,"%")},saturate:function(a,b,c){if(!a.rgb)return null;var f=a.toHSL();return f.s+="undefined"!=typeof c&&"relative"===c.value?f.s*b.value/100:b.value/100,f.s=d(f.s),e(f)},desaturate:function(a,b,c){var f=a.toHSL();return f.s-="undefined"!=typeof c&&"relative"===c.value?f.s*b.value/100:b.value/100,f.s=d(f.s),e(f)},lighten:function(a,b,c){var f=a.toHSL();return f.l+="undefined"!=typeof c&&"relative"===c.value?f.l*b.value/100:b.value/100,f.l=d(f.l),e(f)},darken:function(a,b,c){var f=a.toHSL();return f.l-="undefined"!=typeof c&&"relative"===c.value?f.l*b.value/100:b.value/100,f.l=d(f.l),e(f)},fadein:function(a,b,c){var f=a.toHSL();return f.a+="undefined"!=typeof c&&"relative"===c.value?f.a*b.value/100:b.value/100,f.a=d(f.a),e(f)},fadeout:function(a,b,c){var f=a.toHSL();return f.a-="undefined"!=typeof c&&"relative"===c.value?f.a*b.value/100:b.value/100,f.a=d(f.a),e(f)},fade:function(a,b){var c=a.toHSL();return c.a=b.value/100,c.a=d(c.a),e(c)},spin:function(a,b){var c=a.toHSL(),d=(c.h+b.value)%360;return c.h=0>d?360+d:d,e(c)},mix:function(a,b,c){a.toHSL&&b.toHSL||(console.log(b.type),console.dir(b)),c||(c=new i(50));var d=c.value/100,e=2*d-1,f=a.toHSL().a-b.toHSL().a,g=((e*f==-1?e:(e+f)/(1+e*f))+1)/2,h=1-g,k=[a.rgb[0]*g+b.rgb[0]*h,a.rgb[1]*g+b.rgb[1]*h,a.rgb[2]*g+b.rgb[2]*h],l=a.alpha*d+b.alpha*(1-d);return new j(k,l)},greyscale:function(a){return h.desaturate(a,new i(100))},contrast:function(a,b,c,d){if(!a.rgb)return null;"undefined"==typeof b&&(b=h.rgba(0,0,0,1)),"undefined"==typeof c&&(c=h.rgba(255,255,255,1));var e,f,g=a.luma(),i=b.luma(),j=c.luma();return e=g>i?(g+.05)/(i+.05):(i+.05)/(g+.05),f=g>j?(g+.05)/(j+.05):(j+.05)/(g+.05),e>f?b:c},argb:function(a){return new l(a.toARGB())},color:function(a){if(a instanceof k&&/^#([a-f0-9]{6}|[a-f0-9]{3})$/i.test(a.value))return new j(a.value.slice(1));if(a instanceof j||(a=j.fromKeyword(a.value)))return a.value=void 0,a;throw{type:"Argument",message:"argument must be a color keyword or 3/6 digit hex e.g. #FFF"}},tint:function(a,b){return h.mix(h.rgb(255,255,255),a,b)},shade:function(a,b){return h.mix(h.rgb(0,0,0),a,b)}},m.addMultiple(h)},{"../tree/anonymous":46,"../tree/color":50,"../tree/dimension":56,"../tree/quoted":73,"./function-registry":22}],19:[function(a,b,c){b.exports=function(b){var c=a("../tree/quoted"),d=a("../tree/url"),e=a("./function-registry"),f=function(a,b){return new d(b,a.index,a.currentFileInfo).eval(a.context)},g=a("../logger");e.add("data-uri",function(a,e){e||(e=a,a=null);var h=a&&a.value,i=e.value,j=this.currentFileInfo,k=j.relativeUrls?j.currentDirectory:j.entryPath,l=i.indexOf("#"),m="";-1!==l&&(m=i.slice(l),i=i.slice(0,l));var n=b.getFileManager(i,k,this.context,b,!0);if(!n)return f(this,e);var o=!1;if(a)o=/;base64$/.test(h);else{if(h=b.mimeLookup(i),"image/svg+xml"===h)o=!1;else{var p=b.charsetLookup(h);o=["US-ASCII","UTF-8"].indexOf(p)<0}o&&(h+=";base64")}var q=n.loadFileSync(i,k,this.context,b);if(!q.contents)return g.warn("Skipped data-uri embedding of "+i+" because file not found"),f(this,e||a);var r=q.contents;if(o&&!b.encodeBase64)return f(this,e);r=o?b.encodeBase64(r):encodeURIComponent(r);var s="data:"+h+","+r+m,t=32768;return s.length>=t&&this.context.ieCompat!==!1?(g.warn("Skipped data-uri embedding of "+i+" because its size ("+s.length+" characters) exceeds IE8-safe "+t+" characters!"),f(this,e||a)):new d(new c('"'+s+'"',s,!1,this.index,this.currentFileInfo),this.index,this.currentFileInfo)})}},{"../logger":33,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],20:[function(a,b,c){var d=a("../tree/keyword"),e=a("./function-registry"),f={eval:function(){var a=this.value_,b=this.error_;if(b)throw b;return null!=a?a?d.True:d.False:void 0},value:function(a){this.value_=a},error:function(a){this.error_=a},reset:function(){this.value_=this.error_=null}};e.add("default",f.eval.bind(f)),b.exports=f},{"../tree/keyword":65,"./function-registry":22}],21:[function(a,b,c){var d=a("../tree/expression"),e=function(a,b,c,d){this.name=a.toLowerCase(),this.index=c,this.context=b,this.currentFileInfo=d,this.func=b.frames[0].functionRegistry.get(this.name)};e.prototype.isValid=function(){return Boolean(this.func)},e.prototype.call=function(a){return Array.isArray(a)&&(a=a.filter(function(a){return"Comment"!==a.type}).map(function(a){if("Expression"===a.type){var b=a.value.filter(function(a){return"Comment"!==a.type});return 1===b.length?b[0]:new d(b)}return a})),this.func.apply(this,a)},b.exports=e},{"../tree/expression":59}],22:[function(a,b,c){function d(a){return{_data:{},add:function(a,b){a=a.toLowerCase(),this._data.hasOwnProperty(a),this._data[a]=b},addMultiple:function(a){Object.keys(a).forEach(function(b){this.add(b,a[b])}.bind(this))},get:function(b){return this._data[b]||a&&a.get(b)},inherit:function(){return d(this)}}}b.exports=d(null)},{}],23:[function(a,b,c){b.exports=function(b){var c={functionRegistry:a("./function-registry"),functionCaller:a("./function-caller")};return a("./default"),a("./color"),a("./color-blending"),a("./data-uri")(b),a("./math"),a("./number"),a("./string"),a("./svg")(b),a("./types"),c}},{"./color":18,"./color-blending":17,"./data-uri":19,"./default":20,"./function-caller":21,"./function-registry":22,"./math":25,"./number":26,"./string":27,"./svg":28,"./types":29}],24:[function(a,b,c){var d=a("../tree/dimension"),e=function(){};e._math=function(a,b,c){if(!(c instanceof d))throw{type:"Argument",message:"argument must be a number"};return null==b?b=c.unit:c=c.unify(),new d(a(parseFloat(c.value)),b)},b.exports=e},{"../tree/dimension":56}],25:[function(a,b,c){var d=a("./function-registry"),e=a("./math-helper.js"),f={ceil:null,floor:null,sqrt:null,abs:null,tan:"",sin:"",cos:"",atan:"rad",asin:"rad",acos:"rad"};for(var g in f)f.hasOwnProperty(g)&&(f[g]=e._math.bind(null,Math[g],f[g]));f.round=function(a,b){var c="undefined"==typeof b?0:b.value;return e._math(function(a){return a.toFixed(c)},null,a)},d.addMultiple(f)},{"./function-registry":22,"./math-helper.js":24}],26:[function(a,b,c){var d=a("../tree/dimension"),e=a("../tree/anonymous"),f=a("./function-registry"),g=a("./math-helper.js"),h=function(a,b){switch(b=Array.prototype.slice.call(b),b.length){case 0:throw{type:"Argument",message:"one or more arguments required"}}var c,f,g,h,i,j,k,l,m=[],n={};for(c=0;b.length>c;c++)if(g=b[c],g instanceof d)if(h=""===g.unit.toString()&&void 0!==l?new d(g.value,l).unify():g.unify(),j=""===h.unit.toString()&&void 0!==k?k:h.unit.toString(),k=""!==j&&void 0===k||""!==j&&""===m[0].unify().unit.toString()?j:k,l=""!==j&&void 0===l?g.unit.toString():l,f=void 0!==n[""]&&""!==j&&j===k?n[""]:n[j],void 0!==f)i=""===m[f].unit.toString()&&void 0!==l?new d(m[f].value,l).unify():m[f].unify(),(a&&i.value>h.value||!a&&h.value>i.value)&&(m[f]=g);else{if(void 0!==k&&j!==k)throw{type:"Argument",message:"incompatible types"};n[j]=m.length,m.push(g)}else Array.isArray(b[c].value)&&Array.prototype.push.apply(b,Array.prototype.slice.call(b[c].value));return 1==m.length?m[0]:(b=m.map(function(a){return a.toCSS(this.context)}).join(this.context.compress?",":", "),new e((a?"min":"max")+"("+b+")"))};f.addMultiple({min:function(){return h(!0,arguments)},max:function(){return h(!1,arguments)},convert:function(a,b){return a.convertTo(b.value)},pi:function(){return new d(Math.PI)},mod:function(a,b){return new d(a.value%b.value,a.unit)},pow:function(a,b){if("number"==typeof a&&"number"==typeof b)a=new d(a),b=new d(b);else if(!(a instanceof d&&b instanceof d))throw{type:"Argument",message:"arguments must be numbers"};return new d(Math.pow(a.value,b.value),a.unit)},percentage:function(a){var b=g._math(function(a){return 100*a},"%",a);return b}})},{"../tree/anonymous":46,"../tree/dimension":56,"./function-registry":22,"./math-helper.js":24}],27:[function(a,b,c){var d=a("../tree/quoted"),e=a("../tree/anonymous"),f=a("../tree/javascript"),g=a("./function-registry");g.addMultiple({e:function(a){return new e(a instanceof f?a.evaluated:a.value)},escape:function(a){return new e(encodeURI(a.value).replace(/=/g,"%3D").replace(/:/g,"%3A").replace(/#/g,"%23").replace(/;/g,"%3B").replace(/\(/g,"%28").replace(/\)/g,"%29"))},replace:function(a,b,c,e){var f=a.value;return c="Quoted"===c.type?c.value:c.toCSS(),f=f.replace(new RegExp(b.value,e?e.value:""),c),new d(a.quote||"",f,a.escaped)},"%":function(a){for(var b=Array.prototype.slice.call(arguments,1),c=a.value,e=0;b.length>e;e++)c=c.replace(/%[sda]/i,function(a){var c="Quoted"===b[e].type&&a.match(/s/i)?b[e].value:b[e].toCSS();return a.match(/[A-Z]$/)?encodeURIComponent(c):c});return c=c.replace(/%%/g,"%"),new d(a.quote||"",c,a.escaped); -}})},{"../tree/anonymous":46,"../tree/javascript":63,"../tree/quoted":73,"./function-registry":22}],28:[function(a,b,c){b.exports=function(b){var c=a("../tree/dimension"),d=a("../tree/color"),e=a("../tree/expression"),f=a("../tree/quoted"),g=a("../tree/url"),h=a("./function-registry");h.add("svg-gradient",function(a){function b(){throw{type:"Argument",message:"svg-gradient expects direction, start_color [start_position], [color position,]..., end_color [end_position] or direction, color list"}}var h,i,j,k,l,m,n,o,p="linear",q='x="0" y="0" width="1" height="1"',r={compress:!1},s=a.toCSS(r);switch(2==arguments.length?(2>arguments[1].value.length&&b(),h=arguments[1].value):3>arguments.length?b():h=Array.prototype.slice.call(arguments,1),s){case"to bottom":i='x1="0%" y1="0%" x2="0%" y2="100%"';break;case"to right":i='x1="0%" y1="0%" x2="100%" y2="0%"';break;case"to bottom right":i='x1="0%" y1="0%" x2="100%" y2="100%"';break;case"to top right":i='x1="0%" y1="100%" x2="100%" y2="0%"';break;case"ellipse":case"ellipse at center":p="radial",i='cx="50%" cy="50%" r="75%"',q='x="-50" y="-50" width="101" height="101"';break;default:throw{type:"Argument",message:"svg-gradient direction must be 'to bottom', 'to right', 'to bottom right', 'to top right' or 'ellipse at center'"}}for(j='<'+p+'Gradient id="gradient" gradientUnits="userSpaceOnUse" '+i+">",k=0;h.length>k;k+=1)h[k]instanceof e?(l=h[k].value[0],m=h[k].value[1]):(l=h[k],m=void 0),l instanceof d&&((0===k||k+1===h.length)&&void 0===m||m instanceof c)||b(),n=m?m.toCSS(r):0===k?"0%":"100%",o=l.alpha,j+='o?' stop-opacity="'+o+'"':"")+"/>";return j+="',j=encodeURIComponent(j),j="data:image/svg+xml,"+j,new g(new f("'"+j+"'",j,!1,this.index,this.currentFileInfo),this.index,this.currentFileInfo)})}},{"../tree/color":50,"../tree/dimension":56,"../tree/expression":59,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],29:[function(a,b,c){var d=a("../tree/keyword"),e=a("../tree/detached-ruleset"),f=a("../tree/dimension"),g=a("../tree/color"),h=a("../tree/quoted"),i=a("../tree/anonymous"),j=a("../tree/url"),k=a("../tree/operation"),l=a("./function-registry"),m=function(a,b){return a instanceof b?d.True:d.False},n=function(a,b){if(void 0===b)throw{type:"Argument",message:"missing the required second argument to isunit."};if(b="string"==typeof b.value?b.value:b,"string"!=typeof b)throw{type:"Argument",message:"Second argument to isunit should be a unit or a string."};return a instanceof f&&a.unit.is(b)?d.True:d.False},o=function(a){var b=Array.isArray(a.value)?a.value:Array(a);return b};l.addMultiple({isruleset:function(a){return m(a,e)},iscolor:function(a){return m(a,g)},isnumber:function(a){return m(a,f)},isstring:function(a){return m(a,h)},iskeyword:function(a){return m(a,d)},isurl:function(a){return m(a,j)},ispixel:function(a){return n(a,"px")},ispercentage:function(a){return n(a,"%")},isem:function(a){return n(a,"em")},isunit:n,unit:function(a,b){if(!(a instanceof f))throw{type:"Argument",message:"the first argument to unit must be a number"+(a instanceof k?". Have you forgotten parenthesis?":"")};return b=b?b instanceof d?b.value:b.toCSS():"",new f(a.value,b)},"get-unit":function(a){return new i(a.unit)},extract:function(a,b){return b=b.value-1,o(a)[b]},length:function(a){return new f(o(a).length)}})},{"../tree/anonymous":46,"../tree/color":50,"../tree/detached-ruleset":55,"../tree/dimension":56,"../tree/keyword":65,"../tree/operation":71,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],30:[function(a,b,c){var d=a("./contexts"),e=a("./parser/parser"),f=a("./plugins/function-importer");b.exports=function(a){var b=function(a,b){this.rootFilename=b.filename,this.paths=a.paths||[],this.contents={},this.contentsIgnoredChars={},this.mime=a.mime,this.error=null,this.context=a,this.queue=[],this.files={}};return b.prototype.push=function(b,c,g,h,i){var j=this;this.queue.push(b);var k=function(a,c,d){j.queue.splice(j.queue.indexOf(b),1);var e=d===j.rootFilename;h.optional&&a?i(null,{rules:[]},!1,null):(j.files[d]=c,a&&!j.error&&(j.error=a),i(a,c,e,d))},l={relativeUrls:this.context.relativeUrls,entryPath:g.entryPath,rootpath:g.rootpath,rootFilename:g.rootFilename},m=a.getFileManager(b,g.currentDirectory,this.context,a);if(!m)return void k({message:"Could not find a file-manager for "+b});c&&(b=m.tryAppendExtension(b,h.plugin?".js":".less"));var n=function(a){var b=a.filename,c=a.contents.replace(/^\uFEFF/,"");l.currentDirectory=m.getPath(b),l.relativeUrls&&(l.rootpath=m.join(j.context.rootpath||"",m.pathDiff(l.currentDirectory,l.entryPath)),!m.isPathAbsolute(l.rootpath)&&m.alwaysMakePathsAbsolute()&&(l.rootpath=m.join(l.entryPath,l.rootpath))),l.filename=b;var i=new d.Parse(j.context);i.processImports=!1,j.contents[b]=c,(g.reference||h.reference)&&(l.reference=!0),h.plugin?new f(i,l).eval(c,function(a,c){k(a,c,b)}):h.inline?k(null,c,b):new e(i,j,l).parse(c,function(a,c){k(a,c,b)})},o=m.loadFile(b,g.currentDirectory,this.context,a,function(a,b){a?k(a):n(b)});o&&o.then(n,k)},b}},{"./contexts":11,"./parser/parser":38,"./plugins/function-importer":40}],31:[function(a,b,c){b.exports=function(b,c){var d,e,f,g,h,i={version:[2,7,1],data:a("./data"),tree:a("./tree"),Environment:h=a("./environment/environment"),AbstractFileManager:a("./environment/abstract-file-manager"),environment:b=new h(b,c),visitors:a("./visitors"),Parser:a("./parser/parser"),functions:a("./functions")(b),contexts:a("./contexts"),SourceMapOutput:d=a("./source-map-output")(b),SourceMapBuilder:e=a("./source-map-builder")(d,b),ParseTree:f=a("./parse-tree")(e),ImportManager:g=a("./import-manager")(b),render:a("./render")(b,f,g),parse:a("./parse")(b,f,g),LessError:a("./less-error"),transformTree:a("./transform-tree"),utils:a("./utils"),PluginManager:a("./plugin-manager"),logger:a("./logger")};return i}},{"./contexts":11,"./data":13,"./environment/abstract-file-manager":15,"./environment/environment":16,"./functions":23,"./import-manager":30,"./less-error":32,"./logger":33,"./parse":35,"./parse-tree":34,"./parser/parser":38,"./plugin-manager":39,"./render":41,"./source-map-builder":42,"./source-map-output":43,"./transform-tree":44,"./tree":62,"./utils":83,"./visitors":87}],32:[function(a,b,c){var d=a("./utils"),e=b.exports=function(a,b,c){Error.call(this);var e=a.filename||c;if(b&&e){var f=b.contents[e],g=d.getLocation(a.index,f),h=g.line,i=g.column,j=a.call&&d.getLocation(a.call,f).line,k=f.split("\n");this.type=a.type||"Syntax",this.filename=e,this.index=a.index,this.line="number"==typeof h?h+1:null,this.callLine=j+1,this.callExtract=k[j],this.column=i,this.extract=[k[h-1],k[h],k[h+1]]}this.message=a.message,this.stack=a.stack};if("undefined"==typeof Object.create){var f=function(){};f.prototype=Error.prototype,e.prototype=new f}else e.prototype=Object.create(Error.prototype);e.prototype.constructor=e},{"./utils":83}],33:[function(a,b,c){b.exports={error:function(a){this._fireEvent("error",a)},warn:function(a){this._fireEvent("warn",a)},info:function(a){this._fireEvent("info",a)},debug:function(a){this._fireEvent("debug",a)},addListener:function(a){this._listeners.push(a)},removeListener:function(a){for(var b=0;this._listeners.length>b;b++)if(this._listeners[b]===a)return void this._listeners.splice(b,1)},_fireEvent:function(a,b){for(var c=0;this._listeners.length>c;c++){var d=this._listeners[c][a];d&&d(b)}},_listeners:[]}},{}],34:[function(a,b,c){var d=a("./less-error"),e=a("./transform-tree"),f=a("./logger");b.exports=function(a){var b=function(a,b){this.root=a,this.imports=b};return b.prototype.toCSS=function(b){var c,g,h={};try{c=e(this.root,b)}catch(i){throw new d(i,this.imports)}try{var j=Boolean(b.compress);j&&f.warn("The compress option has been deprecated. We recommend you use a dedicated css minifier, for instance see less-plugin-clean-css.");var k={compress:j,dumpLineNumbers:b.dumpLineNumbers,strictUnits:Boolean(b.strictUnits),numPrecision:8};b.sourceMap?(g=new a(b.sourceMap),h.css=g.toCSS(c,k,this.imports)):h.css=c.toCSS(k)}catch(i){throw new d(i,this.imports)}if(b.pluginManager)for(var l=b.pluginManager.getPostProcessors(),m=0;l.length>m;m++)h.css=l[m].process(h.css,{sourceMap:g,options:b,imports:this.imports});b.sourceMap&&(h.map=g.getExternalSourceMap()),h.imports=[];for(var n in this.imports.files)this.imports.files.hasOwnProperty(n)&&n!==this.imports.rootFilename&&h.imports.push(n);return h},b}},{"./less-error":32,"./logger":33,"./transform-tree":44}],35:[function(a,b,c){var d,e=a("./contexts"),f=a("./parser/parser"),g=a("./plugin-manager");b.exports=function(b,c,h){var i=function(b,c,j){if(c=c||{},"function"==typeof c&&(j=c,c={}),!j){d||(d="undefined"==typeof Promise?a("promise"):Promise);var k=this;return new d(function(a,d){i.call(k,b,c,function(b,c){b?d(b):a(c)})})}var l,m,n=new g(this);if(n.addPlugins(c.plugins),c.pluginManager=n,l=new e.Parse(c),c.rootFileInfo)m=c.rootFileInfo;else{var o=c.filename||"input",p=o.replace(/[^\/\\]*$/,"");m={filename:o,relativeUrls:l.relativeUrls,rootpath:l.rootpath||"",currentDirectory:p,entryPath:p,rootFilename:o},m.rootpath&&"/"!==m.rootpath.slice(-1)&&(m.rootpath+="/")}var q=new h(l,m);new f(l,q,m).parse(b,function(a,b){return a?j(a):void j(null,b,q,c)},c)};return i}},{"./contexts":11,"./parser/parser":38,"./plugin-manager":39,promise:void 0}],36:[function(a,b,c){b.exports=function(a,b){function c(b){var c=h-q;512>c&&!b||!c||(p.push(a.slice(q,h+1)),q=h+1)}var d,e,f,g,h,i,j,k,l,m=a.length,n=0,o=0,p=[],q=0;for(h=0;m>h;h++)if(j=a.charCodeAt(h),!(j>=97&&122>=j||34>j))switch(j){case 40:o++,e=h;continue;case 41:if(--o<0)return b("missing opening `(`",h);continue;case 59:o||c();continue;case 123:n++,d=h;continue;case 125:if(--n<0)return b("missing opening `{`",h);n||o||c();continue;case 92:if(m-1>h){h++;continue}return b("unescaped `\\`",h);case 34:case 39:case 96:for(l=0,i=h,h+=1;m>h;h++)if(k=a.charCodeAt(h),!(k>96)){if(k==j){l=1;break}if(92==k){if(h==m-1)return b("unescaped `\\`",h);h++}}if(l)continue;return b("unmatched `"+String.fromCharCode(j)+"`",i);case 47:if(o||h==m-1)continue;if(k=a.charCodeAt(h+1),47==k)for(h+=2;m>h&&(k=a.charCodeAt(h),!(13>=k)||10!=k&&13!=k);h++);else if(42==k){for(f=i=h,h+=2;m-1>h&&(k=a.charCodeAt(h),125==k&&(g=h),42!=k||47!=a.charCodeAt(h+1));h++);if(h==m-1)return b("missing closing `*/`",i);h++}continue;case 42:if(m-1>h&&47==a.charCodeAt(h+1))return b("unmatched `/*`",h);continue}return 0!==n?f>d&&g>f?b("missing closing `}` or `*/`",d):b("missing closing `}`",d):0!==o?b("missing closing `)`",e):(c(!0),p)}},{}],37:[function(a,b,c){var d=a("./chunker");b.exports=function(){function a(d){for(var e,f,j,p=k.i,q=c,s=k.i-i,t=k.i+h.length-s,u=k.i+=d,v=b;t>k.i;k.i++){if(e=v.charCodeAt(k.i),k.autoCommentAbsorb&&e===r){if(f=v.charAt(k.i+1),"/"===f){j={index:k.i,isLineComment:!0};var w=v.indexOf("\n",k.i+2);0>w&&(w=t),k.i=w,j.text=v.substr(j.index,k.i-j.index),k.commentStore.push(j);continue}if("*"===f){var x=v.indexOf("*/",k.i+2);if(x>=0){j={index:k.i,text:v.substr(k.i,x+2-k.i),isLineComment:!1},k.i+=j.text.length-1,k.commentStore.push(j);continue}}break}if(e!==l&&e!==n&&e!==m&&e!==o)break}if(h=h.slice(d+k.i-u+s),i=k.i,!h.length){if(g.length-1>c)return h=g[++c],a(0),!0;k.finished=!0}return p!==k.i||q!==c}var b,c,e,f,g,h,i,j=[],k={},l=32,m=9,n=10,o=13,p=43,q=44,r=47,s=57;return k.save=function(){i=k.i,j.push({current:h,i:k.i,j:c})},k.restore=function(a){(k.i>e||k.i===e&&a&&!f)&&(e=k.i,f=a);var b=j.pop();h=b.current,i=k.i=b.i,c=b.j},k.forget=function(){j.pop()},k.isWhitespace=function(a){var c=k.i+(a||0),d=b.charCodeAt(c);return d===l||d===o||d===m||d===n},k.$re=function(b){k.i>i&&(h=h.slice(k.i-i),i=k.i);var c=b.exec(h);return c?(a(c[0].length),"string"==typeof c?c:1===c.length?c[0]:c):null},k.$char=function(c){return b.charAt(k.i)!==c?null:(a(1),c)},k.$str=function(c){for(var d=c.length,e=0;d>e;e++)if(b.charAt(k.i+e)!==c.charAt(e))return null;return a(d),c},k.$quoted=function(){var c=b.charAt(k.i);if("'"===c||'"'===c){for(var d=b.length,e=k.i,f=1;d>f+e;f++){var g=b.charAt(f+e);switch(g){case"\\":f++;continue;case"\r":case"\n":break;case c:var h=b.substr(e,f+1);return a(f+1),h}}return null}},k.autoCommentAbsorb=!0,k.commentStore=[],k.finished=!1,k.peek=function(a){if("string"==typeof a){for(var c=0;a.length>c;c++)if(b.charAt(k.i+c)!==a.charAt(c))return!1;return!0}return a.test(h)},k.peekChar=function(a){return b.charAt(k.i)===a},k.currentChar=function(){return b.charAt(k.i)},k.getInput=function(){return b},k.peekNotNumeric=function(){var a=b.charCodeAt(k.i);return a>s||p>a||a===r||a===q},k.start=function(f,j,l){b=f,k.i=c=i=e=0,g=j?d(f,l):[f],h=g[0],a(0)},k.end=function(){var a,c=k.i>=b.length;return e>k.i&&(a=f,k.i=e),{isFinished:c,furthest:k.i,furthestPossibleErrorMessage:a,furthestReachedEnd:k.i>=b.length-1,furthestChar:b[k.i]}},k}},{"./chunker":36}],38:[function(a,b,c){var d=a("../less-error"),e=a("../tree"),f=a("../visitors"),g=a("./parser-input"),h=a("../utils"),i=function j(a,b,c){function i(a,e){throw new d({index:o.i,filename:c.filename,type:e||"Syntax",message:a},b)}function k(a,b,c){var d=a instanceof Function?a.call(n):o.$re(a);return d?d:void i(b||("string"==typeof a?"expected '"+a+"' got '"+o.currentChar()+"'":"unexpected token"))}function l(a,b){return o.$char(a)?a:void i(b||"expected '"+a+"' got '"+o.currentChar()+"'")}function m(a){var b=c.filename;return{lineNumber:h.getLocation(a,o.getInput()).line+1,fileName:b}}var n,o=g();return{parse:function(g,h,i){var k,l,m,n,p=null,q="";if(l=i&&i.globalVars?j.serializeVars(i.globalVars)+"\n":"",m=i&&i.modifyVars?"\n"+j.serializeVars(i.modifyVars):"",a.pluginManager)for(var r=a.pluginManager.getPreProcessors(),s=0;r.length>s;s++)g=r[s].process(g,{context:a,imports:b,fileInfo:c});(l||i&&i.banner)&&(q=(i&&i.banner?i.banner:"")+l,n=b.contentsIgnoredChars,n[c.filename]=n[c.filename]||0,n[c.filename]+=q.length),g=g.replace(/\r\n?/g,"\n"),g=q+g.replace(/^\uFEFF/,"")+m,b.contents[c.filename]=g;try{o.start(g,a.chunkInput,function(a,e){throw new d({index:e,type:"Parse",message:a,filename:c.filename},b)}),k=new e.Ruleset(null,this.parsers.primary()),k.root=!0,k.firstRoot=!0}catch(t){return h(new d(t,b,c.filename))}var u=o.end();if(!u.isFinished){var v=u.furthestPossibleErrorMessage;v||(v="Unrecognised input","}"===u.furthestChar?v+=". Possibly missing opening '{'":")"===u.furthestChar?v+=". Possibly missing opening '('":u.furthestReachedEnd&&(v+=". Possibly missing something")),p=new d({type:"Parse",message:v,index:u.furthest,filename:c.filename},b)}var w=function(a){return a=p||a||b.error,a?(a instanceof d||(a=new d(a,b,c.filename)),h(a)):h(null,k)};return a.processImports===!1?w():void new f.ImportVisitor(b,w).run(k)},parsers:n={primary:function(){for(var a,b=this.mixin,c=[];;){for(;;){if(a=this.comment(),!a)break;c.push(a)}if(o.finished)break;if(o.peek("}"))break;if(a=this.extendRule())c=c.concat(a);else if(a=b.definition()||this.rule()||this.ruleset()||b.call()||this.rulesetCall()||this.entities.call()||this.directive())c.push(a);else{for(var d=!1;o.$char(";");)d=!0;if(!d)break}}return c},comment:function(){if(o.commentStore.length){var a=o.commentStore.shift();return new e.Comment(a.text,a.isLineComment,a.index,c)}},entities:{quoted:function(){var a,b=o.i,d=!1;return o.save(),o.$char("~")&&(d=!0),(a=o.$quoted())?(o.forget(),new e.Quoted(a.charAt(0),a.substr(1,a.length-2),d,b,c)):void o.restore()},keyword:function(){var a=o.$char("%")||o.$re(/^[_A-Za-z-][_A-Za-z0-9-]*/);return a?e.Color.fromKeyword(a)||new e.Keyword(a):void 0},call:function(){var a,b,d,f,g=o.i;if(!o.peek(/^url\(/i))return o.save(),(a=o.$re(/^([\w-]+|%|progid:[\w\.]+)\(/))?(a=a[1],b=a.toLowerCase(),"alpha"===b&&(f=n.alpha())?(o.forget(),f):(d=this.arguments(),o.$char(")")?(o.forget(),new e.Call(a,d,g,c)):void o.restore("Could not parse call arguments or missing ')'"))):void o.forget()},arguments:function(){var a,b,c,d=[],f=[],g=[];for(o.save();;){if(c=n.detachedRuleset()||this.assignment()||n.expression(),!c)break;b=c,c.value&&1==c.value.length&&(b=c.value[0]),b&&g.push(b),f.push(b),o.$char(",")||(o.$char(";")||a)&&(a=!0,g.length>1&&(b=new e.Value(g)),d.push(b),g=[])}return o.forget(),a?d:f},literal:function(){return this.dimension()||this.color()||this.quoted()||this.unicodeDescriptor()},assignment:function(){var a,b;return o.save(),(a=o.$re(/^\w+(?=\s?=)/i))&&o.$char("=")&&(b=n.entity())?(o.forget(),new e.Assignment(a,b)):void o.restore()},url:function(){var a,b=o.i;return o.autoCommentAbsorb=!1,o.$str("url(")?(a=this.quoted()||this.variable()||o.$re(/^(?:(?:\\[\(\)'"])|[^\(\)'"])+/)||"",o.autoCommentAbsorb=!0,l(")"),new e.URL(null!=a.value||a instanceof e.Variable?a:new e.Anonymous(a),b,c)):void(o.autoCommentAbsorb=!0)},variable:function(){var a,b=o.i;return"@"===o.currentChar()&&(a=o.$re(/^@@?[\w-]+/))?new e.Variable(a,b,c):void 0},variableCurly:function(){var a,b=o.i;return"@"===o.currentChar()&&(a=o.$re(/^@\{([\w-]+)\}/))?new e.Variable("@"+a[1],b,c):void 0},color:function(){var a;if("#"===o.currentChar()&&(a=o.$re(/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/))){var b=a.input.match(/^#([\w]+).*/);return b=b[1],b.match(/^[A-Fa-f0-9]+$/)||i("Invalid HEX color code"),new e.Color(a[1],void 0,"#"+b)}},colorKeyword:function(){o.save();var a=o.autoCommentAbsorb;o.autoCommentAbsorb=!1;var b=o.$re(/^[_A-Za-z-][_A-Za-z0-9-]+/);if(o.autoCommentAbsorb=a,!b)return void o.forget();o.restore();var c=e.Color.fromKeyword(b);return c?(o.$str(b),c):void 0},dimension:function(){if(!o.peekNotNumeric()){var a=o.$re(/^([+-]?\d*\.?\d+)(%|[a-z_]+)?/i);return a?new e.Dimension(a[1],a[2]):void 0}},unicodeDescriptor:function(){var a;return a=o.$re(/^U\+[0-9a-fA-F?]+(\-[0-9a-fA-F?]+)?/),a?new e.UnicodeDescriptor(a[0]):void 0},javascript:function(){var a,b=o.i;o.save();var d=o.$char("~"),f=o.$char("`");return f?(a=o.$re(/^[^`]*`/))?(o.forget(),new e.JavaScript(a.substr(0,a.length-1),Boolean(d),b,c)):void o.restore("invalid javascript definition"):void o.restore()}},variable:function(){var a;return"@"===o.currentChar()&&(a=o.$re(/^(@[\w-]+)\s*:/))?a[1]:void 0},rulesetCall:function(){var a;return"@"===o.currentChar()&&(a=o.$re(/^(@[\w-]+)\(\s*\)\s*;/))?new e.RulesetCall(a[1]):void 0},extend:function(a){var b,d,f,g,h,j=o.i;if(o.$str(a?"&:extend(":":extend(")){do{for(f=null,b=null;!(f=o.$re(/^(all)(?=\s*(\)|,))/))&&(d=this.element());)b?b.push(d):b=[d];f=f&&f[1],b||i("Missing target selector for :extend()."),h=new e.Extend(new e.Selector(b),f,j,c),g?g.push(h):g=[h]}while(o.$char(","));return k(/^\)/),a&&k(/^;/),g}},extendRule:function(){return this.extend(!0)},mixin:{call:function(){var a,b,d,f,g,h,i=o.currentChar(),j=!1,k=o.i;if("."===i||"#"===i){for(o.save();;){if(a=o.i,f=o.$re(/^[#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/),!f)break;d=new e.Element(g,f,a,c),b?b.push(d):b=[d],g=o.$char(">")}return b&&(o.$char("(")&&(h=this.args(!0).args,l(")")),n.important()&&(j=!0),n.end())?(o.forget(),new e.mixin.Call(b,h,k,c,j)):void o.restore()}},args:function(a){var b,c,d,f,g,h,j,k=n.entities,l={args:null,variadic:!1},m=[],p=[],q=[];for(o.save();;){if(a)h=n.detachedRuleset()||n.expression();else{if(o.commentStore.length=0,o.$str("...")){l.variadic=!0,o.$char(";")&&!b&&(b=!0),(b?p:q).push({variadic:!0});break}h=k.variable()||k.literal()||k.keyword()}if(!h)break;f=null,h.throwAwayComments&&h.throwAwayComments(),g=h;var r=null;if(a?h.value&&1==h.value.length&&(r=h.value[0]):r=h,r&&r instanceof e.Variable)if(o.$char(":")){if(m.length>0&&(b&&i("Cannot mix ; and , as delimiter types"),c=!0),g=n.detachedRuleset()||n.expression(),!g){if(!a)return o.restore(),l.args=[],l;i("could not understand value for named argument")}f=d=r.name}else if(o.$str("...")){if(!a){l.variadic=!0,o.$char(";")&&!b&&(b=!0),(b?p:q).push({name:h.name,variadic:!0});break}j=!0}else a||(d=f=r.name,g=null);g&&m.push(g),q.push({name:f,value:g,expand:j}),o.$char(",")||(o.$char(";")||b)&&(c&&i("Cannot mix ; and , as delimiter types"),b=!0,m.length>1&&(g=new e.Value(m)),p.push({name:d,value:g,expand:j}),d=null,m=[],c=!1)}return o.forget(),l.args=b?p:q,l},definition:function(){var a,b,c,d,f=[],g=!1;if(!("."!==o.currentChar()&&"#"!==o.currentChar()||o.peek(/^[^{]*\}/)))if(o.save(),b=o.$re(/^([#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/)){a=b[1];var h=this.args(!1);if(f=h.args,g=h.variadic,!o.$char(")"))return void o.restore("Missing closing ')'");if(o.commentStore.length=0,o.$str("when")&&(d=k(n.conditions,"expected condition")),c=n.block())return o.forget(),new e.mixin.Definition(a,f,c,d,g);o.restore()}else o.forget()}},entity:function(){var a=this.entities;return this.comment()||a.literal()||a.variable()||a.url()||a.call()||a.keyword()||a.javascript()},end:function(){return o.$char(";")||o.peek("}")},alpha:function(){var a;if(o.$re(/^opacity=/i))return a=o.$re(/^\d+/),a||(a=k(this.entities.variable,"Could not parse alpha")),l(")"),new e.Alpha(a)},element:function(){var a,b,d,f=o.i;return b=this.combinator(),a=o.$re(/^(?:\d+\.\d+|\d+)%/)||o.$re(/^(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/)||o.$char("*")||o.$char("&")||this.attribute()||o.$re(/^\([^&()@]+\)/)||o.$re(/^[\.#:](?=@)/)||this.entities.variableCurly(),a||(o.save(),o.$char("(")?(d=this.selector())&&o.$char(")")?(a=new e.Paren(d),o.forget()):o.restore("Missing closing ')'"):o.forget()),a?new e.Element(b,a,f,c):void 0},combinator:function(){var a=o.currentChar();if("/"===a){o.save();var b=o.$re(/^\/[a-z]+\//i);if(b)return o.forget(),new e.Combinator(b);o.restore()}if(">"===a||"+"===a||"~"===a||"|"===a||"^"===a){for(o.i++,"^"===a&&"^"===o.currentChar()&&(a="^^",o.i++);o.isWhitespace();)o.i++;return new e.Combinator(a)}return new e.Combinator(o.isWhitespace(-1)?" ":null)},lessSelector:function(){return this.selector(!0)},selector:function(a){for(var b,d,f,g,h,j,l,m=o.i;(a&&(d=this.extend())||a&&(j=o.$str("when"))||(g=this.element()))&&(j?l=k(this.conditions,"expected condition"):l?i("CSS guard can only be used at the end of selector"):d?h=h?h.concat(d):d:(h&&i("Extend can only be used at the end of selector"),f=o.currentChar(),b?b.push(g):b=[g],g=null),"{"!==f&&"}"!==f&&";"!==f&&","!==f&&")"!==f););return b?new e.Selector(b,h,l,m,c):void(h&&i("Extend must be used to extend a selector, it cannot be used on its own"))},attribute:function(){if(o.$char("[")){var a,b,c,d=this.entities;return(a=d.variableCurly())||(a=k(/^(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\.)+/)),c=o.$re(/^[|~*$^]?=/),c&&(b=d.quoted()||o.$re(/^[0-9]+%/)||o.$re(/^[\w-]+/)||d.variableCurly()),l("]"),new e.Attribute(a,c,b)}},block:function(){var a;return o.$char("{")&&(a=this.primary())&&o.$char("}")?a:void 0},blockRuleset:function(){var a=this.block();return a&&(a=new e.Ruleset(null,a)),a},detachedRuleset:function(){var a=this.blockRuleset();return a?new e.DetachedRuleset(a):void 0},ruleset:function(){var b,c,d,f;for(o.save(),a.dumpLineNumbers&&(f=m(o.i));;){if(c=this.lessSelector(),!c)break;if(b?b.push(c):b=[c],o.commentStore.length=0,c.condition&&b.length>1&&i("Guards are only currently allowed on a single selector."),!o.$char(","))break;c.condition&&i("Guards are only currently allowed on a single selector."),o.commentStore.length=0}if(b&&(d=this.block())){o.forget();var g=new e.Ruleset(b,d,a.strictImports);return a.dumpLineNumbers&&(g.debugInfo=f),g}o.restore()},rule:function(b){var d,f,g,h,i,j=o.i,k=o.currentChar();if("."!==k&&"#"!==k&&"&"!==k&&":"!==k)if(o.save(),d=this.variable()||this.ruleProperty()){if(i="string"==typeof d,i&&(f=this.detachedRuleset()),o.commentStore.length=0,!f){h=!i&&d.length>1&&d.pop().value;var l=!b&&(a.compress||i);if(l&&(f=this.value()),!f&&(f=this.anonymousValue()))return o.forget(),new e.Rule(d,f,!1,h,j,c);l||f||(f=this.value()),g=this.important()}if(f&&this.end())return o.forget(),new e.Rule(d,f,g,h,j,c);if(o.restore(),f&&!b)return this.rule(!0)}else o.forget()},anonymousValue:function(){var a=o.$re(/^([^@+\/'"*`(;{}-]*);/);return a?new e.Anonymous(a[1]):void 0},"import":function(){var a,b,d=o.i,f=o.$re(/^@import?\s+/);if(f){var g=(f?this.importOptions():null)||{};if(a=this.entities.quoted()||this.entities.url())return b=this.mediaFeatures(),o.$char(";")||(o.i=d,i("missing semi-colon or unrecognised media features on import")),b=b&&new e.Value(b),new e.Import(a,b,g,d,c);o.i=d,i("malformed import statement")}},importOptions:function(){var a,b,c,d={};if(!o.$char("("))return null;do if(a=this.importOption()){switch(b=a,c=!0,b){case"css":b="less",c=!1;break;case"once":b="multiple",c=!1}if(d[b]=c,!o.$char(","))break}while(a);return l(")"),d},importOption:function(){var a=o.$re(/^(less|css|multiple|once|inline|reference|optional)/);return a?a[1]:void 0},mediaFeature:function(){var a,b,d=this.entities,f=[];o.save();do a=d.keyword()||d.variable(),a?f.push(a):o.$char("(")&&(b=this.property(),a=this.value(),o.$char(")")?b&&a?f.push(new e.Paren(new e.Rule(b,a,null,null,o.i,c,!0))):a?f.push(new e.Paren(a)):i("badly formed media feature definition"):i("Missing closing ')'","Parse"));while(a);return o.forget(),f.length>0?new e.Expression(f):void 0},mediaFeatures:function(){var a,b=this.entities,c=[];do if(a=this.mediaFeature()){if(c.push(a),!o.$char(","))break}else if(a=b.variable(),a&&(c.push(a),!o.$char(",")))break;while(a);return c.length>0?c:null},media:function(){var b,d,f,g,h=o.i;return a.dumpLineNumbers&&(g=m(h)),o.save(),o.$str("@media")?(b=this.mediaFeatures(),d=this.block(),d||i("media definitions require block statements after any features"),o.forget(),f=new e.Media(d,b,h,c),a.dumpLineNumbers&&(f.debugInfo=g),f):void o.restore()},plugin:function(){var a,b=o.i,d=o.$re(/^@plugin?\s+/);if(d){var f={plugin:!0};if(a=this.entities.quoted()||this.entities.url())return o.$char(";")||(o.i=b,i("missing semi-colon on plugin")),new e.Import(a,null,f,b,c);o.i=b,i("malformed plugin statement")}},directive:function(){var b,d,f,g,h,j,k,l=o.i,n=!0,p=!0;if("@"===o.currentChar()){if(d=this["import"]()||this.plugin()||this.media())return d;if(o.save(),b=o.$re(/^@[a-z-]+/)){switch(g=b,"-"==b.charAt(1)&&b.indexOf("-",2)>0&&(g="@"+b.slice(b.indexOf("-",2)+1)),g){case"@charset":h=!0,n=!1;break;case"@namespace":j=!0,n=!1;break;case"@keyframes":case"@counter-style":h=!0;break;case"@document":case"@supports":k=!0,p=!1;break;default:k=!0}return o.commentStore.length=0,h?(d=this.entity(),d||i("expected "+b+" identifier")):j?(d=this.expression(),d||i("expected "+b+" expression")):k&&(d=(o.$re(/^[^{;]+/)||"").trim(),n="{"==o.currentChar(),d&&(d=new e.Anonymous(d))),n&&(f=this.blockRuleset()),f||!n&&d&&o.$char(";")?(o.forget(),new e.Directive(b,d,f,l,c,a.dumpLineNumbers?m(l):null,p)):void o.restore("directive options not recognised")}}},value:function(){var a,b=[];do if(a=this.expression(),a&&(b.push(a),!o.$char(",")))break;while(a);return b.length>0?new e.Value(b):void 0},important:function(){return"!"===o.currentChar()?o.$re(/^! *important/):void 0},sub:function(){var a,b;return o.save(),o.$char("(")?(a=this.addition(),a&&o.$char(")")?(o.forget(),b=new e.Expression([a]),b.parens=!0,b):void o.restore("Expected ')'")):void o.restore()},multiplication:function(){var a,b,c,d,f;if(a=this.operand()){for(f=o.isWhitespace(-1);;){if(o.peek(/^\/[*\/]/))break;if(o.save(),c=o.$char("/")||o.$char("*"),!c){o.forget();break}if(b=this.operand(),!b){o.restore();break}o.forget(),a.parensInOp=!0,b.parensInOp=!0,d=new e.Operation(c,[d||a,b],f),f=o.isWhitespace(-1)}return d||a}},addition:function(){var a,b,c,d,f;if(a=this.multiplication()){for(f=o.isWhitespace(-1);;){if(c=o.$re(/^[-+]\s+/)||!f&&(o.$char("+")||o.$char("-")),!c)break;if(b=this.multiplication(),!b)break;a.parensInOp=!0,b.parensInOp=!0,d=new e.Operation(c,[d||a,b],f),f=o.isWhitespace(-1)}return d||a}},conditions:function(){var a,b,c,d=o.i;if(a=this.condition()){for(;;){if(!o.peek(/^,\s*(not\s*)?\(/)||!o.$char(","))break;if(b=this.condition(),!b)break;c=new e.Condition("or",c||a,b,d)}return c||a}},condition:function(){function a(){return o.$str("or")}var b,c,d;if(b=this.conditionAnd(this)){if(c=a()){if(d=this.condition(),!d)return;b=new e.Condition(c,b,d)}return b}},conditionAnd:function(){function a(a){return a.negatedCondition()||a.parenthesisCondition()}function b(){return o.$str("and")}var c,d,f;if(c=a(this)){if(d=b()){if(f=this.conditionAnd(),!f)return;c=new e.Condition(d,c,f)}return c}},negatedCondition:function(){if(o.$str("not")){var a=this.parenthesisCondition();return a&&(a.negate=!a.negate),a}},parenthesisCondition:function(){function a(a){var b;return o.save(),(b=a.condition())&&o.$char(")")?(o.forget(),b):void o.restore()}var b;return o.save(),o.$str("(")?(b=a(this))?(o.forget(),b):(b=this.atomicCondition())?o.$char(")")?(o.forget(),b):void o.restore("expected ')' got '"+o.currentChar()+"'"):void o.restore():void o.restore()},atomicCondition:function(){var a,b,c,d,f=this.entities,g=o.i;return a=this.addition()||f.keyword()||f.quoted(),a?(o.$char(">")?d=o.$char("=")?">=":">":o.$char("<")?d=o.$char("=")?"<=":"<":o.$char("=")&&(d=o.$char(">")?"=>":o.$char("<")?"=<":"="),d?(b=this.addition()||f.keyword()||f.quoted(),b?c=new e.Condition(d,a,b,g,!1):i("expected expression")):c=new e.Condition("=",a,new e.Keyword("true"),g,!1),c):void 0},operand:function(){var a,b=this.entities;o.peek(/^-[@\(]/)&&(a=o.$char("-"));var c=this.sub()||b.dimension()||b.color()||b.variable()||b.call()||b.colorKeyword();return a&&(c.parensInOp=!0,c=new e.Negative(c)),c},expression:function(){var a,b,c=[];do a=this.comment(),a?c.push(a):(a=this.addition()||this.entity(),a&&(c.push(a),o.peek(/^\/[\/*]/)||(b=o.$char("/"),b&&c.push(new e.Anonymous(b)))));while(a);return c.length>0?new e.Expression(c):void 0},property:function(){var a=o.$re(/^(\*?-?[_a-zA-Z0-9-]+)\s*:/);return a?a[1]:void 0},ruleProperty:function(){function a(a){var b=o.i,c=o.$re(a);return c?(g.push(b),f.push(c[1])):void 0}var b,d,f=[],g=[];o.save();var h=o.$re(/^([_a-zA-Z0-9-]+)\s*:/);if(h)return f=[new e.Keyword(h[1])],o.forget(),f;for(a(/^(\*?)/);;)if(!a(/^((?:[\w-]+)|(?:@\{[\w-]+\}))/))break;if(f.length>1&&a(/^((?:\+_|\+)?)\s*:/)){for(o.forget(),""===f[0]&&(f.shift(),g.shift()),d=0;f.length>d;d++)b=f[d],f[d]="@"!==b.charAt(0)?new e.Keyword(b):new e.Variable("@"+b.slice(2,-1),g[d],c);return f}o.restore()}}}};i.serializeVars=function(a){var b="";for(var c in a)if(Object.hasOwnProperty.call(a,c)){var d=a[c];b+=("@"===c[0]?"":"@")+c+": "+d+(";"===String(d).slice(-1)?"":";")}return b},b.exports=i},{"../less-error":32,"../tree":62,"../utils":83,"../visitors":87,"./parser-input":37}],39:[function(a,b,c){var d=function(a){this.less=a,this.visitors=[],this.preProcessors=[],this.postProcessors=[],this.installedPlugins=[],this.fileManagers=[]};d.prototype.addPlugins=function(a){if(a)for(var b=0;a.length>b;b++)this.addPlugin(a[b])},d.prototype.addPlugin=function(a){this.installedPlugins.push(a),a.install(this.less,this)},d.prototype.addVisitor=function(a){this.visitors.push(a)},d.prototype.addPreProcessor=function(a,b){var c;for(c=0;this.preProcessors.length>c&&!(this.preProcessors[c].priority>=b);c++);this.preProcessors.splice(c,0,{preProcessor:a,priority:b})},d.prototype.addPostProcessor=function(a,b){var c;for(c=0;this.postProcessors.length>c&&!(this.postProcessors[c].priority>=b);c++);this.postProcessors.splice(c,0,{postProcessor:a,priority:b})},d.prototype.addFileManager=function(a){this.fileManagers.push(a)},d.prototype.getPreProcessors=function(){for(var a=[],b=0;this.preProcessors.length>b;b++)a.push(this.preProcessors[b].preProcessor);return a},d.prototype.getPostProcessors=function(){for(var a=[],b=0;this.postProcessors.length>b;b++)a.push(this.postProcessors[b].postProcessor);return a},d.prototype.getVisitors=function(){return this.visitors},d.prototype.getFileManagers=function(){return this.fileManagers},b.exports=d},{}],40:[function(a,b,c){var d=a("../less-error"),e=a("../tree"),f=b.exports=function(a,b){this.fileInfo=b};f.prototype.eval=function(a,b){var c,f,g={}; -f={add:function(a,b){g[a]=b},addMultiple:function(a){Object.keys(a).forEach(function(b){g[b]=a[b]})}};try{c=new Function("functions","tree","fileInfo",a),c(f,e,this.fileInfo)}catch(h){b(new d({message:"Plugin evaluation error: '"+h.name+": "+h.message.replace(/["]/g,"'")+"'",filename:this.fileInfo.filename}),null)}b(null,{functions:g})}},{"../less-error":32,"../tree":62}],41:[function(a,b,c){var d;b.exports=function(b,c,e){var f=function(b,e,g){if("function"==typeof e&&(g=e,e={}),!g){d||(d="undefined"==typeof Promise?a("promise"):Promise);var h=this;return new d(function(a,c){f.call(h,b,e,function(b,d){b?c(b):a(d)})})}this.parse(b,e,function(a,b,d,e){if(a)return g(a);var f;try{var h=new c(b,d);f=h.toCSS(e)}catch(a){return g(a)}g(null,f)})};return f}},{promise:void 0}],42:[function(a,b,c){b.exports=function(a,b){var c=function(a){this.options=a};return c.prototype.toCSS=function(b,c,d){var e=new a({contentsIgnoredCharsMap:d.contentsIgnoredChars,rootNode:b,contentsMap:d.contents,sourceMapFilename:this.options.sourceMapFilename,sourceMapURL:this.options.sourceMapURL,outputFilename:this.options.sourceMapOutputFilename,sourceMapBasepath:this.options.sourceMapBasepath,sourceMapRootpath:this.options.sourceMapRootpath,outputSourceFiles:this.options.outputSourceFiles,sourceMapGenerator:this.options.sourceMapGenerator,sourceMapFileInline:this.options.sourceMapFileInline}),f=e.toCSS(c);return this.sourceMap=e.sourceMap,this.sourceMapURL=e.sourceMapURL,this.options.sourceMapInputFilename&&(this.sourceMapInputFilename=e.normalizeFilename(this.options.sourceMapInputFilename)),f+this.getCSSAppendage()},c.prototype.getCSSAppendage=function(){var a=this.sourceMapURL;if(this.options.sourceMapFileInline){if(void 0===this.sourceMap)return"";a="data:application/json;base64,"+b.encodeBase64(this.sourceMap)}return a?"/*# sourceMappingURL="+a+" */":""},c.prototype.getExternalSourceMap=function(){return this.sourceMap},c.prototype.setExternalSourceMap=function(a){this.sourceMap=a},c.prototype.isInline=function(){return this.options.sourceMapFileInline},c.prototype.getSourceMapURL=function(){return this.sourceMapURL},c.prototype.getOutputFilename=function(){return this.options.sourceMapOutputFilename},c.prototype.getInputFilename=function(){return this.sourceMapInputFilename},c}},{}],43:[function(a,b,c){b.exports=function(a){var b=function(b){this._css=[],this._rootNode=b.rootNode,this._contentsMap=b.contentsMap,this._contentsIgnoredCharsMap=b.contentsIgnoredCharsMap,b.sourceMapFilename&&(this._sourceMapFilename=b.sourceMapFilename.replace(/\\/g,"/")),this._outputFilename=b.outputFilename,this.sourceMapURL=b.sourceMapURL,b.sourceMapBasepath&&(this._sourceMapBasepath=b.sourceMapBasepath.replace(/\\/g,"/")),b.sourceMapRootpath?(this._sourceMapRootpath=b.sourceMapRootpath.replace(/\\/g,"/"),"/"!==this._sourceMapRootpath.charAt(this._sourceMapRootpath.length-1)&&(this._sourceMapRootpath+="/")):this._sourceMapRootpath="",this._outputSourceFiles=b.outputSourceFiles,this._sourceMapGeneratorConstructor=a.getSourceMapGenerator(),this._lineNumber=0,this._column=0};return b.prototype.normalizeFilename=function(a){return a=a.replace(/\\/g,"/"),this._sourceMapBasepath&&0===a.indexOf(this._sourceMapBasepath)&&(a=a.substring(this._sourceMapBasepath.length),"\\"!==a.charAt(0)&&"/"!==a.charAt(0)||(a=a.substring(1))),(this._sourceMapRootpath||"")+a},b.prototype.add=function(a,b,c,d){if(a){var e,f,g,h,i;if(b){var j=this._contentsMap[b.filename];this._contentsIgnoredCharsMap[b.filename]&&(c-=this._contentsIgnoredCharsMap[b.filename],0>c&&(c=0),j=j.slice(this._contentsIgnoredCharsMap[b.filename])),j=j.substring(0,c),f=j.split("\n"),h=f[f.length-1]}if(e=a.split("\n"),g=e[e.length-1],b)if(d)for(i=0;e.length>i;i++)this._sourceMapGenerator.addMapping({generated:{line:this._lineNumber+i+1,column:0===i?this._column:0},original:{line:f.length+i,column:0===i?h.length:0},source:this.normalizeFilename(b.filename)});else this._sourceMapGenerator.addMapping({generated:{line:this._lineNumber+1,column:this._column},original:{line:f.length,column:h.length},source:this.normalizeFilename(b.filename)});1===e.length?this._column+=g.length:(this._lineNumber+=e.length-1,this._column=g.length),this._css.push(a)}},b.prototype.isEmpty=function(){return 0===this._css.length},b.prototype.toCSS=function(a){if(this._sourceMapGenerator=new this._sourceMapGeneratorConstructor({file:this._outputFilename,sourceRoot:null}),this._outputSourceFiles)for(var b in this._contentsMap)if(this._contentsMap.hasOwnProperty(b)){var c=this._contentsMap[b];this._contentsIgnoredCharsMap[b]&&(c=c.slice(this._contentsIgnoredCharsMap[b])),this._sourceMapGenerator.setSourceContent(this.normalizeFilename(b),c)}if(this._rootNode.genCSS(a,this),this._css.length>0){var d,e=JSON.stringify(this._sourceMapGenerator.toJSON());this.sourceMapURL?d=this.sourceMapURL:this._sourceMapFilename&&(d=this._sourceMapFilename),this.sourceMapURL=d,this.sourceMap=e}return this._css.join("")},b}},{}],44:[function(a,b,c){var d=a("./contexts"),e=a("./visitors"),f=a("./tree");b.exports=function(a,b){b=b||{};var c,g=b.variables,h=new d.Eval(b);"object"!=typeof g||Array.isArray(g)||(g=Object.keys(g).map(function(a){var b=g[a];return b instanceof f.Value||(b instanceof f.Expression||(b=new f.Expression([b])),b=new f.Value([b])),new f.Rule("@"+a,b,!1,null,0)}),h.frames=[new f.Ruleset(null,g)]);var i,j=[],k=[new e.JoinSelectorVisitor,new e.MarkVisibleSelectorsVisitor(!0),new e.ExtendVisitor,new e.ToCSSVisitor({compress:Boolean(b.compress)})];if(b.pluginManager){var l=b.pluginManager.getVisitors();for(i=0;l.length>i;i++){var m=l[i];m.isPreEvalVisitor?j.push(m):m.isPreVisitor?k.splice(0,0,m):k.push(m)}}for(i=0;j.length>i;i++)j[i].run(a);for(c=a.eval(h),i=0;k.length>i;i++)k[i].run(c);return c}},{"./contexts":11,"./tree":62,"./visitors":87}],45:[function(a,b,c){var d=a("./node"),e=function(a){this.value=a};e.prototype=new d,e.prototype.type="Alpha",e.prototype.accept=function(a){this.value=a.visit(this.value)},e.prototype.eval=function(a){return this.value.eval?new e(this.value.eval(a)):this},e.prototype.genCSS=function(a,b){b.add("alpha(opacity="),this.value.genCSS?this.value.genCSS(a,b):b.add(this.value),b.add(")")},b.exports=e},{"./node":70}],46:[function(a,b,c){var d=a("./node"),e=function(a,b,c,d,e,f){this.value=a,this.index=b,this.mapLines=d,this.currentFileInfo=c,this.rulesetLike="undefined"==typeof e?!1:e,this.allowRoot=!0,this.copyVisibilityInfo(f)};e.prototype=new d,e.prototype.type="Anonymous",e.prototype.eval=function(){return new e(this.value,this.index,this.currentFileInfo,this.mapLines,this.rulesetLike,this.visibilityInfo())},e.prototype.compare=function(a){return a.toCSS&&this.toCSS()===a.toCSS()?0:void 0},e.prototype.isRulesetLike=function(){return this.rulesetLike},e.prototype.genCSS=function(a,b){b.add(this.value,this.currentFileInfo,this.index,this.mapLines)},b.exports=e},{"./node":70}],47:[function(a,b,c){var d=a("./node"),e=function(a,b){this.key=a,this.value=b};e.prototype=new d,e.prototype.type="Assignment",e.prototype.accept=function(a){this.value=a.visit(this.value)},e.prototype.eval=function(a){return this.value.eval?new e(this.key,this.value.eval(a)):this},e.prototype.genCSS=function(a,b){b.add(this.key+"="),this.value.genCSS?this.value.genCSS(a,b):b.add(this.value)},b.exports=e},{"./node":70}],48:[function(a,b,c){var d=a("./node"),e=function(a,b,c){this.key=a,this.op=b,this.value=c};e.prototype=new d,e.prototype.type="Attribute",e.prototype.eval=function(a){return new e(this.key.eval?this.key.eval(a):this.key,this.op,this.value&&this.value.eval?this.value.eval(a):this.value)},e.prototype.genCSS=function(a,b){b.add(this.toCSS(a))},e.prototype.toCSS=function(a){var b=this.key.toCSS?this.key.toCSS(a):this.key;return this.op&&(b+=this.op,b+=this.value.toCSS?this.value.toCSS(a):this.value),"["+b+"]"},b.exports=e},{"./node":70}],49:[function(a,b,c){var d=a("./node"),e=a("../functions/function-caller"),f=function(a,b,c,d){this.name=a,this.args=b,this.index=c,this.currentFileInfo=d};f.prototype=new d,f.prototype.type="Call",f.prototype.accept=function(a){this.args&&(this.args=a.visitArray(this.args))},f.prototype.eval=function(a){var b,c=this.args.map(function(b){return b.eval(a)}),d=new e(this.name,a,this.index,this.currentFileInfo);if(d.isValid()){try{b=d.call(c)}catch(g){throw{type:g.type||"Runtime",message:"error evaluating function `"+this.name+"`"+(g.message?": "+g.message:""),index:this.index,filename:this.currentFileInfo.filename}}if(null!=b)return b.index=this.index,b.currentFileInfo=this.currentFileInfo,b}return new f(this.name,c,this.index,this.currentFileInfo)},f.prototype.genCSS=function(a,b){b.add(this.name+"(",this.currentFileInfo,this.index);for(var c=0;this.args.length>c;c++)this.args[c].genCSS(a,b),this.args.length>c+1&&b.add(", ");b.add(")")},b.exports=f},{"../functions/function-caller":21,"./node":70}],50:[function(a,b,c){function d(a,b){return Math.min(Math.max(a,0),b)}function e(a){return"#"+a.map(function(a){return a=d(Math.round(a),255),(16>a?"0":"")+a.toString(16)}).join("")}var f=a("./node"),g=a("../data/colors"),h=function(a,b,c){this.rgb=Array.isArray(a)?a:6==a.length?a.match(/.{2}/g).map(function(a){return parseInt(a,16)}):a.split("").map(function(a){return parseInt(a+a,16)}),this.alpha="number"==typeof b?b:1,"undefined"!=typeof c&&(this.value=c)};h.prototype=new f,h.prototype.type="Color",h.prototype.luma=function(){var a=this.rgb[0]/255,b=this.rgb[1]/255,c=this.rgb[2]/255;return a=.03928>=a?a/12.92:Math.pow((a+.055)/1.055,2.4),b=.03928>=b?b/12.92:Math.pow((b+.055)/1.055,2.4),c=.03928>=c?c/12.92:Math.pow((c+.055)/1.055,2.4),.2126*a+.7152*b+.0722*c},h.prototype.genCSS=function(a,b){b.add(this.toCSS(a))},h.prototype.toCSS=function(a,b){var c,e,f=a&&a.compress&&!b;if(this.value)return this.value;if(e=this.fround(a,this.alpha),1>e)return"rgba("+this.rgb.map(function(a){return d(Math.round(a),255)}).concat(d(e,1)).join(","+(f?"":" "))+")";if(c=this.toRGB(),f){var g=c.split("");g[1]===g[2]&&g[3]===g[4]&&g[5]===g[6]&&(c="#"+g[1]+g[3]+g[5])}return c},h.prototype.operate=function(a,b,c){for(var d=[],e=this.alpha*(1-c.alpha)+c.alpha,f=0;3>f;f++)d[f]=this._operate(a,b,this.rgb[f],c.rgb[f]);return new h(d,e)},h.prototype.toRGB=function(){return e(this.rgb)},h.prototype.toHSL=function(){var a,b,c=this.rgb[0]/255,d=this.rgb[1]/255,e=this.rgb[2]/255,f=this.alpha,g=Math.max(c,d,e),h=Math.min(c,d,e),i=(g+h)/2,j=g-h;if(g===h)a=b=0;else{switch(b=i>.5?j/(2-g-h):j/(g+h),g){case c:a=(d-e)/j+(e>d?6:0);break;case d:a=(e-c)/j+2;break;case e:a=(c-d)/j+4}a/=6}return{h:360*a,s:b,l:i,a:f}},h.prototype.toHSV=function(){var a,b,c=this.rgb[0]/255,d=this.rgb[1]/255,e=this.rgb[2]/255,f=this.alpha,g=Math.max(c,d,e),h=Math.min(c,d,e),i=g,j=g-h;if(b=0===g?0:j/g,g===h)a=0;else{switch(g){case c:a=(d-e)/j+(e>d?6:0);break;case d:a=(e-c)/j+2;break;case e:a=(c-d)/j+4}a/=6}return{h:360*a,s:b,v:i,a:f}},h.prototype.toARGB=function(){return e([255*this.alpha].concat(this.rgb))},h.prototype.compare=function(a){return a.rgb&&a.rgb[0]===this.rgb[0]&&a.rgb[1]===this.rgb[1]&&a.rgb[2]===this.rgb[2]&&a.alpha===this.alpha?0:void 0},h.fromKeyword=function(a){var b,c=a.toLowerCase();return g.hasOwnProperty(c)?b=new h(g[c].slice(1)):"transparent"===c&&(b=new h([0,0,0],0)),b?(b.value=a,b):void 0},b.exports=h},{"../data/colors":12,"./node":70}],51:[function(a,b,c){var d=a("./node"),e=function(a){" "===a?(this.value=" ",this.emptyOrWhitespace=!0):(this.value=a?a.trim():"",this.emptyOrWhitespace=""===this.value)};e.prototype=new d,e.prototype.type="Combinator";var f={"":!0," ":!0,"|":!0};e.prototype.genCSS=function(a,b){var c=a.compress||f[this.value]?"":" ";b.add(c+this.value+c)},b.exports=e},{"./node":70}],52:[function(a,b,c){var d=a("./node"),e=a("./debug-info"),f=function(a,b,c,d){this.value=a,this.isLineComment=b,this.currentFileInfo=d,this.allowRoot=!0};f.prototype=new d,f.prototype.type="Comment",f.prototype.genCSS=function(a,b){this.debugInfo&&b.add(e(a,this),this.currentFileInfo,this.index),b.add(this.value)},f.prototype.isSilent=function(a){var b=a.compress&&"!"!==this.value[2];return this.isLineComment||b},b.exports=f},{"./debug-info":54,"./node":70}],53:[function(a,b,c){var d=a("./node"),e=function(a,b,c,d,e){this.op=a.trim(),this.lvalue=b,this.rvalue=c,this.index=d,this.negate=e};e.prototype=new d,e.prototype.type="Condition",e.prototype.accept=function(a){this.lvalue=a.visit(this.lvalue),this.rvalue=a.visit(this.rvalue)},e.prototype.eval=function(a){var b=function(a,b,c){switch(a){case"and":return b&&c;case"or":return b||c;default:switch(d.compare(b,c)){case-1:return"<"===a||"=<"===a||"<="===a;case 0:return"="===a||">="===a||"=<"===a||"<="===a;case 1:return">"===a||">="===a;default:return!1}}}(this.op,this.lvalue.eval(a),this.rvalue.eval(a));return this.negate?!b:b},b.exports=e},{"./node":70}],54:[function(a,b,c){var d=function(a,b,c){var e="";if(a.dumpLineNumbers&&!a.compress)switch(a.dumpLineNumbers){case"comments":e=d.asComment(b);break;case"mediaquery":e=d.asMediaQuery(b);break;case"all":e=d.asComment(b)+(c||"")+d.asMediaQuery(b)}return e};d.asComment=function(a){return"/* line "+a.debugInfo.lineNumber+", "+a.debugInfo.fileName+" */\n"},d.asMediaQuery=function(a){var b=a.debugInfo.fileName;return/^[a-z]+:\/\//i.test(b)||(b="file://"+b),"@media -sass-debug-info{filename{font-family:"+b.replace(/([.:\/\\])/g,function(a){return"\\"==a&&(a="/"),"\\"+a})+"}line{font-family:\\00003"+a.debugInfo.lineNumber+"}}\n"},b.exports=d},{}],55:[function(a,b,c){var d=a("./node"),e=a("../contexts"),f=function(a,b){this.ruleset=a,this.frames=b};f.prototype=new d,f.prototype.type="DetachedRuleset",f.prototype.evalFirst=!0,f.prototype.accept=function(a){this.ruleset=a.visit(this.ruleset)},f.prototype.eval=function(a){var b=this.frames||a.frames.slice(0);return new f(this.ruleset,b)},f.prototype.callEval=function(a){return this.ruleset.eval(this.frames?new e.Eval(a,this.frames.concat(a.frames)):a)},b.exports=f},{"../contexts":11,"./node":70}],56:[function(a,b,c){var d=a("./node"),e=a("../data/unit-conversions"),f=a("./unit"),g=a("./color"),h=function(a,b){this.value=parseFloat(a),this.unit=b&&b instanceof f?b:new f(b?[b]:void 0)};h.prototype=new d,h.prototype.type="Dimension",h.prototype.accept=function(a){this.unit=a.visit(this.unit)},h.prototype.eval=function(a){return this},h.prototype.toColor=function(){return new g([this.value,this.value,this.value])},h.prototype.genCSS=function(a,b){if(a&&a.strictUnits&&!this.unit.isSingular())throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: "+this.unit.toString());var c=this.fround(a,this.value),d=String(c);if(0!==c&&1e-6>c&&c>-1e-6&&(d=c.toFixed(20).replace(/0+$/,"")),a&&a.compress){if(0===c&&this.unit.isLength())return void b.add(d);c>0&&1>c&&(d=d.substr(1))}b.add(d),this.unit.genCSS(a,b)},h.prototype.operate=function(a,b,c){var d=this._operate(a,b,this.value,c.value),e=this.unit.clone();if("+"===b||"-"===b)if(0===e.numerator.length&&0===e.denominator.length)e=c.unit.clone(),this.unit.backupUnit&&(e.backupUnit=this.unit.backupUnit);else if(0===c.unit.numerator.length&&0===e.denominator.length);else{if(c=c.convertTo(this.unit.usedUnits()),a.strictUnits&&c.unit.toString()!==e.toString())throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '"+e.toString()+"' and '"+c.unit.toString()+"'.");d=this._operate(a,b,this.value,c.value)}else"*"===b?(e.numerator=e.numerator.concat(c.unit.numerator).sort(),e.denominator=e.denominator.concat(c.unit.denominator).sort(),e.cancel()):"/"===b&&(e.numerator=e.numerator.concat(c.unit.denominator).sort(),e.denominator=e.denominator.concat(c.unit.numerator).sort(),e.cancel());return new h(d,e)},h.prototype.compare=function(a){var b,c;if(a instanceof h){if(this.unit.isEmpty()||a.unit.isEmpty())b=this,c=a;else if(b=this.unify(),c=a.unify(),0!==b.unit.compare(c.unit))return;return d.numericCompare(b.value,c.value)}},h.prototype.unify=function(){return this.convertTo({length:"px",duration:"s",angle:"rad"})},h.prototype.convertTo=function(a){var b,c,d,f,g,i=this.value,j=this.unit.clone(),k={};if("string"==typeof a){for(b in e)e[b].hasOwnProperty(a)&&(k={},k[b]=a);a=k}g=function(a,b){return d.hasOwnProperty(a)?(b?i/=d[a]/d[f]:i*=d[a]/d[f],f):a};for(c in a)a.hasOwnProperty(c)&&(f=a[c],d=e[c],j.map(g));return j.cancel(),new h(i,j)},b.exports=h},{"../data/unit-conversions":14,"./color":50,"./node":70,"./unit":79}],57:[function(a,b,c){var d=a("./node"),e=a("./selector"),f=a("./ruleset"),g=function(a,b,c,d,f,g,h,i){var j;if(this.name=a,this.value=b,c)for(Array.isArray(c)?this.rules=c:(this.rules=[c],this.rules[0].selectors=new e([],null,null,this.index,f).createEmptySelectors()),j=0;this.rules.length>j;j++)this.rules[j].allowImports=!0;this.index=d,this.currentFileInfo=f,this.debugInfo=g,this.isRooted=h||!1,this.copyVisibilityInfo(i),this.allowRoot=!0};g.prototype=new d,g.prototype.type="Directive",g.prototype.accept=function(a){var b=this.value,c=this.rules;c&&(this.rules=a.visitArray(c)),b&&(this.value=a.visit(b))},g.prototype.isRulesetLike=function(){return this.rules||!this.isCharset()},g.prototype.isCharset=function(){return"@charset"===this.name},g.prototype.genCSS=function(a,b){var c=this.value,d=this.rules;b.add(this.name,this.currentFileInfo,this.index),c&&(b.add(" "),c.genCSS(a,b)),d?this.outputRuleset(a,b,d):b.add(";")},g.prototype.eval=function(a){var b,c,d=this.value,e=this.rules;return b=a.mediaPath,c=a.mediaBlocks,a.mediaPath=[],a.mediaBlocks=[],d&&(d=d.eval(a)),e&&(e=[e[0].eval(a)],e[0].root=!0),a.mediaPath=b,a.mediaBlocks=c,new g(this.name,d,e,this.index,this.currentFileInfo,this.debugInfo,this.isRooted,this.visibilityInfo())},g.prototype.variable=function(a){return this.rules?f.prototype.variable.call(this.rules[0],a):void 0},g.prototype.find=function(){return this.rules?f.prototype.find.apply(this.rules[0],arguments):void 0},g.prototype.rulesets=function(){return this.rules?f.prototype.rulesets.apply(this.rules[0]):void 0},g.prototype.outputRuleset=function(a,b,c){var d,e=c.length;if(a.tabLevel=(0|a.tabLevel)+1,a.compress){for(b.add("{"),d=0;e>d;d++)c[d].genCSS(a,b);return b.add("}"),void a.tabLevel--}var f="\n"+Array(a.tabLevel).join(" "),g=f+" ";if(e){for(b.add(" {"+g),c[0].genCSS(a,b),d=1;e>d;d++)b.add(g),c[d].genCSS(a,b);b.add(f+"}")}else b.add(" {"+f+"}");a.tabLevel--},b.exports=g},{"./node":70,"./ruleset":76,"./selector":77}],58:[function(a,b,c){var d=a("./node"),e=a("./paren"),f=a("./combinator"),g=function(a,b,c,d,e){this.combinator=a instanceof f?a:new f(a),this.value="string"==typeof b?b.trim():b?b:"",this.index=c,this.currentFileInfo=d,this.copyVisibilityInfo(e)};g.prototype=new d,g.prototype.type="Element",g.prototype.accept=function(a){var b=this.value;this.combinator=a.visit(this.combinator),"object"==typeof b&&(this.value=a.visit(b))},g.prototype.eval=function(a){return new g(this.combinator,this.value.eval?this.value.eval(a):this.value,this.index,this.currentFileInfo,this.visibilityInfo())},g.prototype.clone=function(){return new g(this.combinator,this.value,this.index,this.currentFileInfo,this.visibilityInfo())},g.prototype.genCSS=function(a,b){b.add(this.toCSS(a),this.currentFileInfo,this.index)},g.prototype.toCSS=function(a){a=a||{};var b=this.value,c=a.firstSelector;return b instanceof e&&(a.firstSelector=!0),b=b.toCSS?b.toCSS(a):b,a.firstSelector=c,""===b&&"&"===this.combinator.value.charAt(0)?"":this.combinator.toCSS(a)+b},b.exports=g},{"./combinator":51,"./node":70,"./paren":72}],59:[function(a,b,c){var d=a("./node"),e=a("./paren"),f=a("./comment"),g=function(a){if(this.value=a,!a)throw new Error("Expression requires an array parameter")};g.prototype=new d,g.prototype.type="Expression",g.prototype.accept=function(a){this.value=a.visitArray(this.value)},g.prototype.eval=function(a){var b,c=this.parens&&!this.parensInOp,d=!1;return c&&a.inParenthesis(),this.value.length>1?b=new g(this.value.map(function(b){return b.eval(a)})):1===this.value.length?(this.value[0].parens&&!this.value[0].parensInOp&&(d=!0),b=this.value[0].eval(a)):b=this,c&&a.outOfParenthesis(),this.parens&&this.parensInOp&&!a.isMathOn()&&!d&&(b=new e(b)),b},g.prototype.genCSS=function(a,b){for(var c=0;this.value.length>c;c++)this.value[c].genCSS(a,b),this.value.length>c+1&&b.add(" ")},g.prototype.throwAwayComments=function(){this.value=this.value.filter(function(a){return!(a instanceof f)})},b.exports=g},{"./comment":52,"./node":70,"./paren":72}],60:[function(a,b,c){var d=a("./node"),e=a("./selector"),f=function g(a,b,c,d,e){switch(this.selector=a,this.option=b,this.index=c,this.object_id=g.next_id++,this.parent_ids=[this.object_id],this.currentFileInfo=d||{},this.copyVisibilityInfo(e),this.allowRoot=!0,b){case"all":this.allowBefore=!0,this.allowAfter=!0;break;default:this.allowBefore=!1,this.allowAfter=!1}};f.next_id=0,f.prototype=new d,f.prototype.type="Extend",f.prototype.accept=function(a){this.selector=a.visit(this.selector)},f.prototype.eval=function(a){return new f(this.selector.eval(a),this.option,this.index,this.currentFileInfo,this.visibilityInfo())},f.prototype.clone=function(a){return new f(this.selector,this.option,this.index,this.currentFileInfo,this.visibilityInfo())},f.prototype.findSelfSelectors=function(a){var b,c,d=[];for(b=0;a.length>b;b++)c=a[b].elements,b>0&&c.length&&""===c[0].combinator.value&&(c[0].combinator.value=" "),d=d.concat(a[b].elements);this.selfSelectors=[new e(d)],this.selfSelectors[0].copyVisibilityInfo(this.visibilityInfo())},b.exports=f},{"./node":70,"./selector":77}],61:[function(a,b,c){var d=a("./node"),e=a("./media"),f=a("./url"),g=a("./quoted"),h=a("./ruleset"),i=a("./anonymous"),j=function(a,b,c,d,e,f){if(this.options=c,this.index=d,this.path=a,this.features=b,this.currentFileInfo=e,this.allowRoot=!0,void 0!==this.options.less||this.options.inline)this.css=!this.options.less||this.options.inline;else{var g=this.getPath();g&&/[#\.\&\?\/]css([\?;].*)?$/.test(g)&&(this.css=!0)}this.copyVisibilityInfo(f)};j.prototype=new d,j.prototype.type="Import",j.prototype.accept=function(a){this.features&&(this.features=a.visit(this.features)),this.path=a.visit(this.path),this.options.plugin||this.options.inline||!this.root||(this.root=a.visit(this.root))},j.prototype.genCSS=function(a,b){this.css&&void 0===this.path.currentFileInfo.reference&&(b.add("@import ",this.currentFileInfo,this.index),this.path.genCSS(a,b),this.features&&(b.add(" "),this.features.genCSS(a,b)),b.add(";"))},j.prototype.getPath=function(){return this.path instanceof f?this.path.value.value:this.path.value},j.prototype.isVariableImport=function(){var a=this.path;return a instanceof f&&(a=a.value),a instanceof g?a.containsVariables():!0},j.prototype.evalForImport=function(a){var b=this.path;return b instanceof f&&(b=b.value),new j(b.eval(a),this.features,this.options,this.index,this.currentFileInfo,this.visibilityInfo())},j.prototype.evalPath=function(a){var b=this.path.eval(a),c=this.currentFileInfo&&this.currentFileInfo.rootpath;if(!(b instanceof f)){if(c){var d=b.value;d&&a.isPathRelative(d)&&(b.value=c+d)}b.value=a.normalizePath(b.value)}return b},j.prototype.eval=function(a){var b=this.doEval(a);return(this.options.reference||this.blocksVisibility())&&(b.length||0===b.length?b.forEach(function(a){a.addVisibilityBlock()}):b.addVisibilityBlock()),b},j.prototype.doEval=function(a){var b,c,d=this.features&&this.features.eval(a);if(this.options.plugin)return c=a.frames[0]&&a.frames[0].functionRegistry,c&&this.root&&this.root.functions&&c.addMultiple(this.root.functions),[];if(this.skip&&("function"==typeof this.skip&&(this.skip=this.skip()),this.skip))return[];if(this.options.inline){var f=new i(this.root,0,{filename:this.importedFilename,reference:this.path.currentFileInfo&&this.path.currentFileInfo.reference},!0,!0);return this.features?new e([f],this.features.value):[f]}if(this.css){var g=new j(this.evalPath(a),d,this.options,this.index);if(!g.css&&this.error)throw this.error;return g}return b=new h(null,this.root.rules.slice(0)),b.evalImports(a),this.features?new e(b.rules,this.features.value):b.rules},b.exports=j},{"./anonymous":46,"./media":66,"./node":70,"./quoted":73,"./ruleset":76,"./url":80}],62:[function(a,b,c){var d={};d.Node=a("./node"),d.Alpha=a("./alpha"),d.Color=a("./color"),d.Directive=a("./directive"),d.DetachedRuleset=a("./detached-ruleset"),d.Operation=a("./operation"),d.Dimension=a("./dimension"),d.Unit=a("./unit"),d.Keyword=a("./keyword"),d.Variable=a("./variable"),d.Ruleset=a("./ruleset"),d.Element=a("./element"),d.Attribute=a("./attribute"),d.Combinator=a("./combinator"),d.Selector=a("./selector"),d.Quoted=a("./quoted"),d.Expression=a("./expression"),d.Rule=a("./rule"),d.Call=a("./call"),d.URL=a("./url"),d.Import=a("./import"),d.mixin={Call:a("./mixin-call"),Definition:a("./mixin-definition")},d.Comment=a("./comment"),d.Anonymous=a("./anonymous"),d.Value=a("./value"),d.JavaScript=a("./javascript"),d.Assignment=a("./assignment"),d.Condition=a("./condition"),d.Paren=a("./paren"),d.Media=a("./media"),d.UnicodeDescriptor=a("./unicode-descriptor"),d.Negative=a("./negative"),d.Extend=a("./extend"),d.RulesetCall=a("./ruleset-call"),b.exports=d},{"./alpha":45,"./anonymous":46,"./assignment":47,"./attribute":48,"./call":49,"./color":50,"./combinator":51,"./comment":52,"./condition":53,"./detached-ruleset":55,"./dimension":56,"./directive":57,"./element":58,"./expression":59,"./extend":60,"./import":61,"./javascript":63,"./keyword":65,"./media":66,"./mixin-call":67,"./mixin-definition":68,"./negative":69,"./node":70,"./operation":71,"./paren":72,"./quoted":73,"./rule":74,"./ruleset":76,"./ruleset-call":75,"./selector":77,"./unicode-descriptor":78,"./unit":79,"./url":80,"./value":81,"./variable":82}],63:[function(a,b,c){var d=a("./js-eval-node"),e=a("./dimension"),f=a("./quoted"),g=a("./anonymous"),h=function(a,b,c,d){this.escaped=b,this.expression=a,this.index=c,this.currentFileInfo=d};h.prototype=new d,h.prototype.type="JavaScript",h.prototype.eval=function(a){var b=this.evaluateJavaScript(this.expression,a);return"number"==typeof b?new e(b):"string"==typeof b?new f('"'+b+'"',b,this.escaped,this.index):new g(Array.isArray(b)?b.join(", "):b)},b.exports=h},{"./anonymous":46,"./dimension":56,"./js-eval-node":64,"./quoted":73}],64:[function(a,b,c){var d=a("./node"),e=a("./variable"),f=function(){};f.prototype=new d,f.prototype.evaluateJavaScript=function(a,b){var c,d=this,f={};if(void 0!==b.javascriptEnabled&&!b.javascriptEnabled)throw{message:"You are using JavaScript, which has been disabled.",filename:this.currentFileInfo.filename,index:this.index};a=a.replace(/@\{([\w-]+)\}/g,function(a,c){return d.jsify(new e("@"+c,d.index,d.currentFileInfo).eval(b))});try{a=new Function("return ("+a+")")}catch(g){throw{message:"JavaScript evaluation error: "+g.message+" from `"+a+"`",filename:this.currentFileInfo.filename,index:this.index}}var h=b.frames[0].variables();for(var i in h)h.hasOwnProperty(i)&&(f[i.slice(1)]={value:h[i].value,toJS:function(){return this.value.eval(b).toCSS()}});try{c=a.call(f)}catch(g){throw{message:"JavaScript evaluation error: '"+g.name+": "+g.message.replace(/["]/g,"'")+"'",filename:this.currentFileInfo.filename,index:this.index}}return c},f.prototype.jsify=function(a){return Array.isArray(a.value)&&a.value.length>1?"["+a.value.map(function(a){return a.toCSS()}).join(", ")+"]":a.toCSS()},b.exports=f},{"./node":70,"./variable":82}],65:[function(a,b,c){var d=a("./node"),e=function(a){this.value=a};e.prototype=new d,e.prototype.type="Keyword",e.prototype.genCSS=function(a,b){if("%"===this.value)throw{type:"Syntax",message:"Invalid % without number"};b.add(this.value)},e.True=new e("true"),e.False=new e("false"),b.exports=e},{"./node":70}],66:[function(a,b,c){var d=a("./ruleset"),e=a("./value"),f=a("./selector"),g=a("./anonymous"),h=a("./expression"),i=a("./directive"),j=function(a,b,c,g,h){this.index=c,this.currentFileInfo=g;var i=new f([],null,null,this.index,this.currentFileInfo).createEmptySelectors();this.features=new e(b),this.rules=[new d(i,a)],this.rules[0].allowImports=!0,this.copyVisibilityInfo(h),this.allowRoot=!0};j.prototype=new i,j.prototype.type="Media",j.prototype.isRulesetLike=!0,j.prototype.accept=function(a){this.features&&(this.features=a.visit(this.features)),this.rules&&(this.rules=a.visitArray(this.rules))},j.prototype.genCSS=function(a,b){b.add("@media ",this.currentFileInfo,this.index),this.features.genCSS(a,b),this.outputRuleset(a,b,this.rules)},j.prototype.eval=function(a){a.mediaBlocks||(a.mediaBlocks=[],a.mediaPath=[]);var b=new j(null,[],this.index,this.currentFileInfo,this.visibilityInfo());this.debugInfo&&(this.rules[0].debugInfo=this.debugInfo,b.debugInfo=this.debugInfo);var c=!1;a.strictMath||(c=!0,a.strictMath=!0);try{b.features=this.features.eval(a)}finally{c&&(a.strictMath=!1)}return a.mediaPath.push(b),a.mediaBlocks.push(b),this.rules[0].functionRegistry=a.frames[0].functionRegistry.inherit(),a.frames.unshift(this.rules[0]),b.rules=[this.rules[0].eval(a)],a.frames.shift(),a.mediaPath.pop(),0===a.mediaPath.length?b.evalTop(a):b.evalNested(a)},j.prototype.evalTop=function(a){var b=this;if(a.mediaBlocks.length>1){var c=new f([],null,null,this.index,this.currentFileInfo).createEmptySelectors();b=new d(c,a.mediaBlocks),b.multiMedia=!0,b.copyVisibilityInfo(this.visibilityInfo())}return delete a.mediaBlocks,delete a.mediaPath,b},j.prototype.evalNested=function(a){var b,c,f=a.mediaPath.concat([this]);for(b=0;f.length>b;b++)c=f[b].features instanceof e?f[b].features.value:f[b].features,f[b]=Array.isArray(c)?c:[c];return this.features=new e(this.permute(f).map(function(a){for(a=a.map(function(a){return a.toCSS?a:new g(a)}),b=a.length-1;b>0;b--)a.splice(b,0,new g("and"));return new h(a)})),new d([],[])},j.prototype.permute=function(a){if(0===a.length)return[];if(1===a.length)return a[0];for(var b=[],c=this.permute(a.slice(1)),d=0;c.length>d;d++)for(var e=0;a[0].length>e;e++)b.push([a[0][e]].concat(c[d]));return b},j.prototype.bubbleSelectors=function(a){a&&(this.rules=[new d(a.slice(0),[this.rules[0]])])},b.exports=j},{"./anonymous":46,"./directive":57,"./expression":59,"./ruleset":76,"./selector":77,"./value":81}],67:[function(a,b,c){var d=a("./node"),e=a("./selector"),f=a("./mixin-definition"),g=a("../functions/default"),h=function(a,b,c,d,f){this.selector=new e(a),this.arguments=b||[],this.index=c,this.currentFileInfo=d,this.important=f,this.allowRoot=!0};h.prototype=new d,h.prototype.type="MixinCall",h.prototype.accept=function(a){this.selector&&(this.selector=a.visit(this.selector)),this.arguments.length&&(this.arguments=a.visitArray(this.arguments))},h.prototype.eval=function(a){function b(b,c){var d,e,f;for(d=0;2>d;d++){for(x[d]=!0,g.value(d),e=0;c.length>e&&x[d];e++)f=c[e],f.matchCondition&&(x[d]=x[d]&&f.matchCondition(null,a));b.matchCondition&&(x[d]=x[d]&&b.matchCondition(t,a))}return x[0]||x[1]?x[0]!=x[1]?x[1]?A:B:z:y}var c,d,e,h,i,j,k,l,m,n,o,p,q,r,s,t=[],u=[],v=!1,w=[],x=[],y=-1,z=0,A=1,B=2;for(j=0;this.arguments.length>j;j++)if(h=this.arguments[j],i=h.value.eval(a),h.expand&&Array.isArray(i.value))for(i=i.value,k=0;i.length>k;k++)t.push({value:i[k]});else t.push({name:h.name,value:i});for(s=function(b){return b.matchArgs(null,a)},j=0;a.frames.length>j;j++)if((c=a.frames[j].find(this.selector,null,s)).length>0){for(n=!0,k=0;c.length>k;k++){for(d=c[k].rule,e=c[k].path,m=!1,l=0;a.frames.length>l;l++)if(!(d instanceof f)&&d===(a.frames[l].originalRuleset||a.frames[l])){m=!0;break}m||d.matchArgs(t,a)&&(o={mixin:d,group:b(d,e)},o.group!==y&&w.push(o),v=!0)}for(g.reset(),q=[0,0,0],k=0;w.length>k;k++)q[w[k].group]++;if(q[z]>0)p=B;else if(p=A,q[A]+q[B]>1)throw{type:"Runtime",message:"Ambiguous use of `default()` found when matching for `"+this.format(t)+"`",index:this.index,filename:this.currentFileInfo.filename};for(k=0;w.length>k;k++)if(o=w[k].group,o===z||o===p)try{d=w[k].mixin,d instanceof f||(r=d.originalRuleset||d,d=new f("",[],d.rules,null,!1,null,r.visibilityInfo()),d.originalRuleset=r);var C=d.evalCall(a,t,this.important).rules; -this._setVisibilityToReplacement(C),Array.prototype.push.apply(u,C)}catch(D){throw{message:D.message,index:this.index,filename:this.currentFileInfo.filename,stack:D.stack}}if(v)return u}throw n?{type:"Runtime",message:"No matching definition was found for `"+this.format(t)+"`",index:this.index,filename:this.currentFileInfo.filename}:{type:"Name",message:this.selector.toCSS().trim()+" is undefined",index:this.index,filename:this.currentFileInfo.filename}},h.prototype._setVisibilityToReplacement=function(a){var b,c;if(this.blocksVisibility())for(b=0;a.length>b;b++)c=a[b],c.addVisibilityBlock()},h.prototype.format=function(a){return this.selector.toCSS().trim()+"("+(a?a.map(function(a){var b="";return a.name&&(b+=a.name+":"),b+=a.value.toCSS?a.value.toCSS():"???"}).join(", "):"")+")"},b.exports=h},{"../functions/default":20,"./mixin-definition":68,"./node":70,"./selector":77}],68:[function(a,b,c){var d=a("./selector"),e=a("./element"),f=a("./ruleset"),g=a("./rule"),h=a("./expression"),i=a("../contexts"),j=function(a,b,c,f,g,h,i){this.name=a,this.selectors=[new d([new e(null,a,this.index,this.currentFileInfo)])],this.params=b,this.condition=f,this.variadic=g,this.arity=b.length,this.rules=c,this._lookups={};var j=[];this.required=b.reduce(function(a,b){return!b.name||b.name&&!b.value?a+1:(j.push(b.name),a)},0),this.optionalParameters=j,this.frames=h,this.copyVisibilityInfo(i),this.allowRoot=!0};j.prototype=new f,j.prototype.type="MixinDefinition",j.prototype.evalFirst=!0,j.prototype.accept=function(a){this.params&&this.params.length&&(this.params=a.visitArray(this.params)),this.rules=a.visitArray(this.rules),this.condition&&(this.condition=a.visit(this.condition))},j.prototype.evalParams=function(a,b,c,d){var e,j,k,l,m,n,o,p,q=new f(null,null),r=this.params.slice(0),s=0;if(b.frames&&b.frames[0]&&b.frames[0].functionRegistry&&(q.functionRegistry=b.frames[0].functionRegistry.inherit()),b=new i.Eval(b,[q].concat(b.frames)),c)for(c=c.slice(0),s=c.length,k=0;s>k;k++)if(j=c[k],n=j&&j.name){for(o=!1,l=0;r.length>l;l++)if(!d[l]&&n===r[l].name){d[l]=j.value.eval(a),q.prependRule(new g(n,j.value.eval(a))),o=!0;break}if(o){c.splice(k,1),k--;continue}throw{type:"Runtime",message:"Named argument for "+this.name+" "+c[k].name+" not found"}}for(p=0,k=0;r.length>k;k++)if(!d[k]){if(j=c&&c[p],n=r[k].name)if(r[k].variadic){for(e=[],l=p;s>l;l++)e.push(c[l].value.eval(a));q.prependRule(new g(n,new h(e).eval(a)))}else{if(m=j&&j.value)m=m.eval(a);else{if(!r[k].value)throw{type:"Runtime",message:"wrong number of arguments for "+this.name+" ("+s+" for "+this.arity+")"};m=r[k].value.eval(b),q.resetCache()}q.prependRule(new g(n,m)),d[k]=m}if(r[k].variadic&&c)for(l=p;s>l;l++)d[l]=c[l].value.eval(a);p++}return q},j.prototype.makeImportant=function(){var a=this.rules?this.rules.map(function(a){return a.makeImportant?a.makeImportant(!0):a}):this.rules,b=new j(this.name,this.params,a,this.condition,this.variadic,this.frames);return b},j.prototype.eval=function(a){return new j(this.name,this.params,this.rules,this.condition,this.variadic,this.frames||a.frames.slice(0))},j.prototype.evalCall=function(a,b,c){var d,e,j=[],k=this.frames?this.frames.concat(a.frames):a.frames,l=this.evalParams(a,new i.Eval(a,k),b,j);return l.prependRule(new g("@arguments",new h(j).eval(a))),d=this.rules.slice(0),e=new f(null,d),e.originalRuleset=this,e=e.eval(new i.Eval(a,[this,l].concat(k))),c&&(e=e.makeImportant()),e},j.prototype.matchCondition=function(a,b){return!this.condition||this.condition.eval(new i.Eval(b,[this.evalParams(b,new i.Eval(b,this.frames?this.frames.concat(b.frames):b.frames),a,[])].concat(this.frames||[]).concat(b.frames)))},j.prototype.matchArgs=function(a,b){var c,d=a&&a.length||0,e=this.optionalParameters,f=a?a.reduce(function(a,b){return e.indexOf(b.name)<0?a+1:a},0):0;if(this.variadic){if(this.required-1>f)return!1}else{if(this.required>f)return!1;if(d>this.params.length)return!1}c=Math.min(f,this.arity);for(var g=0;c>g;g++)if(!this.params[g].name&&!this.params[g].variadic&&a[g].value.eval(b).toCSS()!=this.params[g].value.eval(b).toCSS())return!1;return!0},b.exports=j},{"../contexts":11,"./element":58,"./expression":59,"./rule":74,"./ruleset":76,"./selector":77}],69:[function(a,b,c){var d=a("./node"),e=a("./operation"),f=a("./dimension"),g=function(a){this.value=a};g.prototype=new d,g.prototype.type="Negative",g.prototype.genCSS=function(a,b){b.add("-"),this.value.genCSS(a,b)},g.prototype.eval=function(a){return a.isMathOn()?new e("*",[new f(-1),this.value]).eval(a):new g(this.value.eval(a))},b.exports=g},{"./dimension":56,"./node":70,"./operation":71}],70:[function(a,b,c){var d=function(){};d.prototype.toCSS=function(a){var b=[];return this.genCSS(a,{add:function(a,c,d){b.push(a)},isEmpty:function(){return 0===b.length}}),b.join("")},d.prototype.genCSS=function(a,b){b.add(this.value)},d.prototype.accept=function(a){this.value=a.visit(this.value)},d.prototype.eval=function(){return this},d.prototype._operate=function(a,b,c,d){switch(b){case"+":return c+d;case"-":return c-d;case"*":return c*d;case"/":return c/d}},d.prototype.fround=function(a,b){var c=a&&a.numPrecision;return null==c?b:Number((b+2e-16).toFixed(c))},d.compare=function(a,b){if(a.compare&&"Quoted"!==b.type&&"Anonymous"!==b.type)return a.compare(b);if(b.compare)return-b.compare(a);if(a.type===b.type){if(a=a.value,b=b.value,!Array.isArray(a))return a===b?0:void 0;if(a.length===b.length){for(var c=0;a.length>c;c++)if(0!==d.compare(a[c],b[c]))return;return 0}}},d.numericCompare=function(a,b){return b>a?-1:a===b?0:a>b?1:void 0},d.prototype.blocksVisibility=function(){return null==this.visibilityBlocks&&(this.visibilityBlocks=0),0!==this.visibilityBlocks},d.prototype.addVisibilityBlock=function(){null==this.visibilityBlocks&&(this.visibilityBlocks=0),this.visibilityBlocks=this.visibilityBlocks+1},d.prototype.removeVisibilityBlock=function(){null==this.visibilityBlocks&&(this.visibilityBlocks=0),this.visibilityBlocks=this.visibilityBlocks-1},d.prototype.ensureVisibility=function(){this.nodeVisible=!0},d.prototype.ensureInvisibility=function(){this.nodeVisible=!1},d.prototype.isVisible=function(){return this.nodeVisible},d.prototype.visibilityInfo=function(){return{visibilityBlocks:this.visibilityBlocks,nodeVisible:this.nodeVisible}},d.prototype.copyVisibilityInfo=function(a){a&&(this.visibilityBlocks=a.visibilityBlocks,this.nodeVisible=a.nodeVisible)},b.exports=d},{}],71:[function(a,b,c){var d=a("./node"),e=a("./color"),f=a("./dimension"),g=function(a,b,c){this.op=a.trim(),this.operands=b,this.isSpaced=c};g.prototype=new d,g.prototype.type="Operation",g.prototype.accept=function(a){this.operands=a.visit(this.operands)},g.prototype.eval=function(a){var b=this.operands[0].eval(a),c=this.operands[1].eval(a);if(a.isMathOn()){if(b instanceof f&&c instanceof e&&(b=b.toColor()),c instanceof f&&b instanceof e&&(c=c.toColor()),!b.operate)throw{type:"Operation",message:"Operation on an invalid type"};return b.operate(a,this.op,c)}return new g(this.op,[b,c],this.isSpaced)},g.prototype.genCSS=function(a,b){this.operands[0].genCSS(a,b),this.isSpaced&&b.add(" "),b.add(this.op),this.isSpaced&&b.add(" "),this.operands[1].genCSS(a,b)},b.exports=g},{"./color":50,"./dimension":56,"./node":70}],72:[function(a,b,c){var d=a("./node"),e=function(a){this.value=a};e.prototype=new d,e.prototype.type="Paren",e.prototype.genCSS=function(a,b){b.add("("),this.value.genCSS(a,b),b.add(")")},e.prototype.eval=function(a){return new e(this.value.eval(a))},b.exports=e},{"./node":70}],73:[function(a,b,c){var d=a("./node"),e=a("./js-eval-node"),f=a("./variable"),g=function(a,b,c,d,e){this.escaped=null==c?!0:c,this.value=b||"",this.quote=a.charAt(0),this.index=d,this.currentFileInfo=e};g.prototype=new e,g.prototype.type="Quoted",g.prototype.genCSS=function(a,b){this.escaped||b.add(this.quote,this.currentFileInfo,this.index),b.add(this.value),this.escaped||b.add(this.quote)},g.prototype.containsVariables=function(){return this.value.match(/(`([^`]+)`)|@\{([\w-]+)\}/)},g.prototype.eval=function(a){function b(a,b,c){var d=a;do a=d,d=a.replace(b,c);while(a!==d);return d}var c=this,d=this.value,e=function(b,d){return String(c.evaluateJavaScript(d,a))},h=function(b,d){var e=new f("@"+d,c.index,c.currentFileInfo).eval(a,!0);return e instanceof g?e.value:e.toCSS()};return d=b(d,/`([^`]+)`/g,e),d=b(d,/@\{([\w-]+)\}/g,h),new g(this.quote+d+this.quote,d,this.escaped,this.index,this.currentFileInfo)},g.prototype.compare=function(a){return"Quoted"!==a.type||this.escaped||a.escaped?a.toCSS&&this.toCSS()===a.toCSS()?0:void 0:d.numericCompare(this.value,a.value)},b.exports=g},{"./js-eval-node":64,"./node":70,"./variable":82}],74:[function(a,b,c){function d(a,b){var c,d="",e=b.length,f={add:function(a){d+=a}};for(c=0;e>c;c++)b[c].eval(a).genCSS(a,f);return d}var e=a("./node"),f=a("./value"),g=a("./keyword"),h=function(a,b,c,d,g,h,i,j){this.name=a,this.value=b instanceof e?b:new f([b]),this.important=c?" "+c.trim():"",this.merge=d,this.index=g,this.currentFileInfo=h,this.inline=i||!1,this.variable=void 0!==j?j:a.charAt&&"@"===a.charAt(0),this.allowRoot=!0};h.prototype=new e,h.prototype.type="Rule",h.prototype.genCSS=function(a,b){b.add(this.name+(a.compress?":":": "),this.currentFileInfo,this.index);try{this.value.genCSS(a,b)}catch(c){throw c.index=this.index,c.filename=this.currentFileInfo.filename,c}b.add(this.important+(this.inline||a.lastRule&&a.compress?"":";"),this.currentFileInfo,this.index)},h.prototype.eval=function(a){var b,c=!1,e=this.name,f=this.variable;"string"!=typeof e&&(e=1===e.length&&e[0]instanceof g?e[0].value:d(a,e),f=!1),"font"!==e||a.strictMath||(c=!0,a.strictMath=!0);try{if(a.importantScope.push({}),b=this.value.eval(a),!this.variable&&"DetachedRuleset"===b.type)throw{message:"Rulesets cannot be evaluated on a property.",index:this.index,filename:this.currentFileInfo.filename};var i=this.important,j=a.importantScope.pop();return!i&&j.important&&(i=j.important),new h(e,b,i,this.merge,this.index,this.currentFileInfo,this.inline,f)}catch(k){throw"number"!=typeof k.index&&(k.index=this.index,k.filename=this.currentFileInfo.filename),k}finally{c&&(a.strictMath=!1)}},h.prototype.makeImportant=function(){return new h(this.name,this.value,"!important",this.merge,this.index,this.currentFileInfo,this.inline)},b.exports=h},{"./keyword":65,"./node":70,"./value":81}],75:[function(a,b,c){var d=a("./node"),e=a("./variable"),f=function(a){this.variable=a,this.allowRoot=!0};f.prototype=new d,f.prototype.type="RulesetCall",f.prototype.eval=function(a){var b=new e(this.variable).eval(a);return b.callEval(a)},b.exports=f},{"./node":70,"./variable":82}],76:[function(a,b,c){var d=a("./node"),e=a("./rule"),f=a("./selector"),g=a("./element"),h=a("./paren"),i=a("../contexts"),j=a("../functions/function-registry"),k=a("../functions/default"),l=a("./debug-info"),m=function(a,b,c,d){this.selectors=a,this.rules=b,this._lookups={},this.strictImports=c,this.copyVisibilityInfo(d),this.allowRoot=!0};m.prototype=new d,m.prototype.type="Ruleset",m.prototype.isRuleset=!0,m.prototype.isRulesetLike=!0,m.prototype.accept=function(a){this.paths?this.paths=a.visitArray(this.paths,!0):this.selectors&&(this.selectors=a.visitArray(this.selectors)),this.rules&&this.rules.length&&(this.rules=a.visitArray(this.rules))},m.prototype.eval=function(a){var b,c,d,f,g=this.selectors,h=!1;if(g&&(c=g.length)){for(b=[],k.error({type:"Syntax",message:"it is currently only allowed in parametric mixin guards,"}),f=0;c>f;f++)d=g[f].eval(a),b.push(d),d.evaldCondition&&(h=!0);k.reset()}else h=!0;var i,l,n=this.rules?this.rules.slice(0):null,o=new m(b,n,this.strictImports,this.visibilityInfo());o.originalRuleset=this,o.root=this.root,o.firstRoot=this.firstRoot,o.allowImports=this.allowImports,this.debugInfo&&(o.debugInfo=this.debugInfo),h||(n.length=0),o.functionRegistry=function(a){for(var b,c=0,d=a.length;c!==d;++c)if(b=a[c].functionRegistry)return b;return j}(a.frames).inherit();var p=a.frames;p.unshift(o);var q=a.selectors;q||(a.selectors=q=[]),q.unshift(this.selectors),(o.root||o.allowImports||!o.strictImports)&&o.evalImports(a);var r=o.rules,s=r?r.length:0;for(f=0;s>f;f++)r[f].evalFirst&&(r[f]=r[f].eval(a));var t=a.mediaBlocks&&a.mediaBlocks.length||0;for(f=0;s>f;f++)"MixinCall"===r[f].type?(n=r[f].eval(a).filter(function(a){return a instanceof e&&a.variable?!o.variable(a.name):!0}),r.splice.apply(r,[f,1].concat(n)),s+=n.length-1,f+=n.length-1,o.resetCache()):"RulesetCall"===r[f].type&&(n=r[f].eval(a).rules.filter(function(a){return!(a instanceof e&&a.variable)}),r.splice.apply(r,[f,1].concat(n)),s+=n.length-1,f+=n.length-1,o.resetCache());for(f=0;r.length>f;f++)i=r[f],i.evalFirst||(r[f]=i=i.eval?i.eval(a):i);for(f=0;r.length>f;f++)if(i=r[f],i instanceof m&&i.selectors&&1===i.selectors.length&&i.selectors[0].isJustParentSelector()){r.splice(f--,1);for(var u=0;i.rules.length>u;u++)l=i.rules[u],l.copyVisibilityInfo(i.visibilityInfo()),l instanceof e&&l.variable||r.splice(++f,0,l)}if(p.shift(),q.shift(),a.mediaBlocks)for(f=t;a.mediaBlocks.length>f;f++)a.mediaBlocks[f].bubbleSelectors(b);return o},m.prototype.evalImports=function(a){var b,c,d=this.rules;if(d)for(b=0;d.length>b;b++)"Import"===d[b].type&&(c=d[b].eval(a),c&&(c.length||0===c.length)?(d.splice.apply(d,[b,1].concat(c)),b+=c.length-1):d.splice(b,1,c),this.resetCache())},m.prototype.makeImportant=function(){var a=new m(this.selectors,this.rules.map(function(a){return a.makeImportant?a.makeImportant():a}),this.strictImports,this.visibilityInfo());return a},m.prototype.matchArgs=function(a){return!a||0===a.length},m.prototype.matchCondition=function(a,b){var c=this.selectors[this.selectors.length-1];return c.evaldCondition?!c.condition||c.condition.eval(new i.Eval(b,b.frames)):!1},m.prototype.resetCache=function(){this._rulesets=null,this._variables=null,this._lookups={}},m.prototype.variables=function(){return this._variables||(this._variables=this.rules?this.rules.reduce(function(a,b){if(b instanceof e&&b.variable===!0&&(a[b.name]=b),"Import"===b.type&&b.root&&b.root.variables){var c=b.root.variables();for(var d in c)c.hasOwnProperty(d)&&(a[d]=c[d])}return a},{}):{}),this._variables},m.prototype.variable=function(a){return this.variables()[a]},m.prototype.rulesets=function(){if(!this.rules)return[];var a,b,c=[],d=this.rules,e=d.length;for(a=0;e>a;a++)b=d[a],b.isRuleset&&c.push(b);return c},m.prototype.prependRule=function(a){var b=this.rules;b?b.unshift(a):this.rules=[a]},m.prototype.find=function(a,b,c){b=b||this;var d,e,g=[],h=a.toCSS();return h in this._lookups?this._lookups[h]:(this.rulesets().forEach(function(h){if(h!==b)for(var i=0;h.selectors.length>i;i++)if(d=a.match(h.selectors[i])){if(a.elements.length>d){if(!c||c(h)){e=h.find(new f(a.elements.slice(d)),b,c);for(var j=0;e.length>j;++j)e[j].path.push(h);Array.prototype.push.apply(g,e)}}else g.push({rule:h,path:[]});break}}),this._lookups[h]=g,g)},m.prototype.genCSS=function(a,b){function c(a){return"boolean"==typeof a.isRulesetLike?a.isRulesetLike:"function"==typeof a.isRulesetLike?a.isRulesetLike():!1}var d,e,f,g,h,i=[],j=[];a.tabLevel=a.tabLevel||0,this.root||a.tabLevel++;var k,m=a.compress?"":Array(a.tabLevel+1).join(" "),n=a.compress?"":Array(a.tabLevel).join(" "),o=0,p=0;for(d=0;this.rules.length>d;d++)g=this.rules[d],"Comment"===g.type?(p===d&&p++,j.push(g)):g.isCharset&&g.isCharset()?(j.splice(o,0,g),o++,p++):"Import"===g.type?(j.splice(p,0,g),p++):j.push(g);if(j=i.concat(j),!this.root){f=l(a,this,n),f&&(b.add(f),b.add(n));var q,r=this.paths,s=r.length;for(k=a.compress?",":",\n"+n,d=0;s>d;d++)if(h=r[d],q=h.length)for(d>0&&b.add(k),a.firstSelector=!0,h[0].genCSS(a,b),a.firstSelector=!1,e=1;q>e;e++)h[e].genCSS(a,b);b.add((a.compress?"{":" {\n")+m)}for(d=0;j.length>d;d++){g=j[d],d+1===j.length&&(a.lastRule=!0);var t=a.lastRule;c(g)&&(a.lastRule=!1),g.genCSS?g.genCSS(a,b):g.value&&b.add(g.value.toString()),a.lastRule=t,a.lastRule?a.lastRule=!1:b.add(a.compress?"":"\n"+m)}this.root||(b.add(a.compress?"}":"\n"+n+"}"),a.tabLevel--),b.isEmpty()||a.compress||!this.firstRoot||b.add("\n")},m.prototype.joinSelectors=function(a,b,c){for(var d=0;c.length>d;d++)this.joinSelector(a,b,c[d])},m.prototype.joinSelector=function(a,b,c){function d(a,b){var c,d;if(0===a.length)c=new h(a[0]);else{var e=[];for(d=0;a.length>d;d++)e.push(new g(null,a[d],b.index,b.currentFileInfo));c=new h(new f(e))}return c}function e(a,b){var c,d;return c=new g(null,a,b.index,b.currentFileInfo),d=new f([c])}function i(a,b,c,d){var e,f,h;if(e=[],a.length>0?(e=a.slice(0),f=e.pop(),h=d.createDerived(f.elements.slice(0))):h=d.createDerived([]),b.length>0){var i=c.combinator,j=b[0].elements[0];i.emptyOrWhitespace&&!j.combinator.emptyOrWhitespace&&(i=j.combinator),h.elements.push(new g(i,j.value,c.index,c.currentFileInfo)),h.elements=h.elements.concat(b[0].elements.slice(1))}if(0!==h.elements.length&&e.push(h),b.length>1){var k=b.slice(1);k=k.map(function(a){return a.createDerived(a.elements,[])}),e=e.concat(k)}return e}function j(a,b,c,d,e){var f;for(f=0;a.length>f;f++){var g=i(a[f],b,c,d);e.push(g)}return e}function k(a,b){var c,d;if(0!==a.length){if(0===b.length)return void b.push([new f(a)]);for(c=0;b.length>c;c++)d=b[c],d.length>0?d[d.length-1]=d[d.length-1].createDerived(d[d.length-1].elements.concat(a)):d.push(new f(a))}}function l(a,b,c){function f(a){var b;return"Paren"!==a.value.type?null:(b=a.value.value,"Selector"!==b.type?null:b)}var h,m,n,o,p,q,r,s,t,u,v=!1;for(o=[],p=[[]],h=0;c.elements.length>h;h++)if(s=c.elements[h],"&"!==s.value){var w=f(s);if(null!=w){k(o,p);var x,y=[],z=[];for(x=l(y,b,w),v=v||x,n=0;y.length>n;n++){var A=e(d(y[n],s),s);j(p,[A],s,c,z)}p=z,o=[]}else o.push(s)}else{for(v=!0,q=[],k(o,p),m=0;p.length>m;m++)if(r=p[m],0===b.length)r.length>0&&r[0].elements.push(new g(s.combinator,"",s.index,s.currentFileInfo)),q.push(r);else for(n=0;b.length>n;n++){var B=i(r,b[n],s,c);q.push(B)}p=q,o=[]}for(k(o,p),h=0;p.length>h;h++)t=p[h].length,t>0&&(a.push(p[h]),u=p[h][t-1],p[h][t-1]=u.createDerived(u.elements,c.extendList));return v}function m(a,b){var c=b.createDerived(b.elements,b.extendList,b.evaldCondition);return c.copyVisibilityInfo(a),c}var n,o,p;if(o=[],p=l(o,b,c),!p)if(b.length>0)for(o=[],n=0;b.length>n;n++){var q=b[n].map(m.bind(this,c.visibilityInfo()));q.push(c),o.push(q)}else o=[[c]];for(n=0;o.length>n;n++)a.push(o[n])},b.exports=m},{"../contexts":11,"../functions/default":20,"../functions/function-registry":22,"./debug-info":54,"./element":58,"./node":70,"./paren":72,"./rule":74,"./selector":77}],77:[function(a,b,c){var d=a("./node"),e=a("./element"),f=function(a,b,c,d,e,f){this.elements=a,this.extendList=b,this.condition=c,this.currentFileInfo=e||{},c||(this.evaldCondition=!0),this.copyVisibilityInfo(f)};f.prototype=new d,f.prototype.type="Selector",f.prototype.accept=function(a){this.elements&&(this.elements=a.visitArray(this.elements)),this.extendList&&(this.extendList=a.visitArray(this.extendList)),this.condition&&(this.condition=a.visit(this.condition))},f.prototype.createDerived=function(a,b,c){var d=this.visibilityInfo();c=null!=c?c:this.evaldCondition;var e=new f(a,b||this.extendList,null,this.index,this.currentFileInfo,d);return e.evaldCondition=c,e.mediaEmpty=this.mediaEmpty,e},f.prototype.createEmptySelectors=function(){var a=new e("","&",this.index,this.currentFileInfo),b=[new f([a],null,null,this.index,this.currentFileInfo)];return b[0].mediaEmpty=!0,b},f.prototype.match=function(a){var b,c,d=this.elements,e=d.length;if(a.CacheElements(),b=a._elements.length,0===b||b>e)return 0;for(c=0;b>c;c++)if(d[c].value!==a._elements[c])return 0;return b},f.prototype.CacheElements=function(){if(!this._elements){var a=this.elements.map(function(a){return a.combinator.value+(a.value.value||a.value)}).join("").match(/[,&#\*\.\w-]([\w-]|(\\.))*/g);a?"&"===a[0]&&a.shift():a=[],this._elements=a}},f.prototype.isJustParentSelector=function(){return!this.mediaEmpty&&1===this.elements.length&&"&"===this.elements[0].value&&(" "===this.elements[0].combinator.value||""===this.elements[0].combinator.value)},f.prototype.eval=function(a){var b=this.condition&&this.condition.eval(a),c=this.elements,d=this.extendList;return c=c&&c.map(function(b){return b.eval(a)}),d=d&&d.map(function(b){return b.eval(a)}),this.createDerived(c,d,b)},f.prototype.genCSS=function(a,b){var c,d;if(a&&a.firstSelector||""!==this.elements[0].combinator.value||b.add(" ",this.currentFileInfo,this.index),!this._css)for(c=0;this.elements.length>c;c++)d=this.elements[c],d.genCSS(a,b)},f.prototype.getIsOutput=function(){return this.evaldCondition},b.exports=f},{"./element":58,"./node":70}],78:[function(a,b,c){var d=a("./node"),e=function(a){this.value=a};e.prototype=new d,e.prototype.type="UnicodeDescriptor",b.exports=e},{"./node":70}],79:[function(a,b,c){var d=a("./node"),e=a("../data/unit-conversions"),f=function(a,b,c){this.numerator=a?a.slice(0).sort():[],this.denominator=b?b.slice(0).sort():[],c?this.backupUnit=c:a&&a.length&&(this.backupUnit=a[0])};f.prototype=new d,f.prototype.type="Unit",f.prototype.clone=function(){return new f(this.numerator.slice(0),this.denominator.slice(0),this.backupUnit)},f.prototype.genCSS=function(a,b){var c=a&&a.strictUnits;1===this.numerator.length?b.add(this.numerator[0]):!c&&this.backupUnit?b.add(this.backupUnit):!c&&this.denominator.length&&b.add(this.denominator[0])},f.prototype.toString=function(){var a,b=this.numerator.join("*");for(a=0;this.denominator.length>a;a++)b+="/"+this.denominator[a];return b},f.prototype.compare=function(a){return this.is(a.toString())?0:void 0},f.prototype.is=function(a){return this.toString().toUpperCase()===a.toUpperCase()},f.prototype.isLength=function(){return Boolean(this.toCSS().match(/px|em|%|in|cm|mm|pc|pt|ex/))},f.prototype.isEmpty=function(){return 0===this.numerator.length&&0===this.denominator.length},f.prototype.isSingular=function(){return 1>=this.numerator.length&&0===this.denominator.length},f.prototype.map=function(a){var b;for(b=0;this.numerator.length>b;b++)this.numerator[b]=a(this.numerator[b],!1);for(b=0;this.denominator.length>b;b++)this.denominator[b]=a(this.denominator[b],!0)},f.prototype.usedUnits=function(){var a,b,c,d={};b=function(b){return a.hasOwnProperty(b)&&!d[c]&&(d[c]=b),b};for(c in e)e.hasOwnProperty(c)&&(a=e[c],this.map(b));return d},f.prototype.cancel=function(){var a,b,c={};for(b=0;this.numerator.length>b;b++)a=this.numerator[b],c[a]=(c[a]||0)+1;for(b=0;this.denominator.length>b;b++)a=this.denominator[b],c[a]=(c[a]||0)-1;this.numerator=[],this.denominator=[];for(a in c)if(c.hasOwnProperty(a)){var d=c[a];if(d>0)for(b=0;d>b;b++)this.numerator.push(a);else if(0>d)for(b=0;-d>b;b++)this.denominator.push(a)}this.numerator.sort(),this.denominator.sort()},b.exports=f},{"../data/unit-conversions":14,"./node":70}],80:[function(a,b,c){var d=a("./node"),e=function(a,b,c,d){this.value=a,this.currentFileInfo=c,this.index=b,this.isEvald=d};e.prototype=new d,e.prototype.type="Url",e.prototype.accept=function(a){this.value=a.visit(this.value)},e.prototype.genCSS=function(a,b){b.add("url("),this.value.genCSS(a,b),b.add(")")},e.prototype.eval=function(a){var b,c=this.value.eval(a);if(!this.isEvald&&(b=this.currentFileInfo&&this.currentFileInfo.rootpath,b&&"string"==typeof c.value&&a.isPathRelative(c.value)&&(c.quote||(b=b.replace(/[\(\)'"\s]/g,function(a){return"\\"+a})),c.value=b+c.value),c.value=a.normalizePath(c.value),a.urlArgs&&!c.value.match(/^\s*data:/))){var d=-1===c.value.indexOf("?")?"?":"&",f=d+a.urlArgs;-1!==c.value.indexOf("#")?c.value=c.value.replace("#",f+"#"):c.value+=f}return new e(c,this.index,this.currentFileInfo,!0)},b.exports=e},{"./node":70}],81:[function(a,b,c){var d=a("./node"),e=function(a){if(this.value=a,!a)throw new Error("Value requires an array argument")};e.prototype=new d,e.prototype.type="Value",e.prototype.accept=function(a){this.value&&(this.value=a.visitArray(this.value))},e.prototype.eval=function(a){return 1===this.value.length?this.value[0].eval(a):new e(this.value.map(function(b){return b.eval(a)}))},e.prototype.genCSS=function(a,b){var c;for(c=0;this.value.length>c;c++)this.value[c].genCSS(a,b),this.value.length>c+1&&b.add(a&&a.compress?",":", ")},b.exports=e},{"./node":70}],82:[function(a,b,c){var d=a("./node"),e=function(a,b,c){this.name=a,this.index=b,this.currentFileInfo=c||{}};e.prototype=new d,e.prototype.type="Variable",e.prototype.eval=function(a){var b,c=this.name;if(0===c.indexOf("@@")&&(c="@"+new e(c.slice(1),this.index,this.currentFileInfo).eval(a).value),this.evaluating)throw{type:"Name",message:"Recursive variable definition for "+c,filename:this.currentFileInfo.filename,index:this.index};if(this.evaluating=!0,b=this.find(a.frames,function(b){var d=b.variable(c);if(d){if(d.important){var e=a.importantScope[a.importantScope.length-1];e.important=d.important}return d.value.eval(a)}}))return this.evaluating=!1,b;throw{type:"Name",message:"variable "+c+" is undefined",filename:this.currentFileInfo.filename,index:this.index}},e.prototype.find=function(a,b){for(var c,d=0;a.length>d;d++)if(c=b.call(a,a[d]))return c;return null},b.exports=e},{"./node":70}],83:[function(a,b,c){b.exports={getLocation:function(a,b){for(var c=a+1,d=null,e=-1;--c>=0&&"\n"!==b.charAt(c);)e++;return"number"==typeof a&&(d=(b.slice(0,a).match(/\n/g)||"").length),{line:d,column:e}}}},{}],84:[function(a,b,c){var d=a("../tree"),e=a("./visitor"),f=a("../logger"),g=function(){this._visitor=new e(this),this.contexts=[],this.allExtendsStack=[[]]};g.prototype={run:function(a){return a=this._visitor.visit(a),a.allExtends=this.allExtendsStack[0],a},visitRule:function(a,b){b.visitDeeper=!1},visitMixinDefinition:function(a,b){b.visitDeeper=!1},visitRuleset:function(a,b){if(!a.root){var c,e,f,g,h=[],i=a.rules,j=i?i.length:0;for(c=0;j>c;c++)a.rules[c]instanceof d.Extend&&(h.push(i[c]),a.extendOnEveryPath=!0);var k=a.paths;for(c=0;k.length>c;c++){var l=k[c],m=l[l.length-1],n=m.extendList;for(g=n?n.slice(0).concat(h):h,g&&(g=g.map(function(a){return a.clone()})),e=0;g.length>e;e++)this.foundExtends=!0,f=g[e],f.findSelfSelectors(l),f.ruleset=a,0===e&&(f.firstExtendOnThisSelectorPath=!0),this.allExtendsStack[this.allExtendsStack.length-1].push(f)}this.contexts.push(a.selectors)}},visitRulesetOut:function(a){a.root||(this.contexts.length=this.contexts.length-1)},visitMedia:function(a,b){a.allExtends=[],this.allExtendsStack.push(a.allExtends)},visitMediaOut:function(a){this.allExtendsStack.length=this.allExtendsStack.length-1},visitDirective:function(a,b){a.allExtends=[],this.allExtendsStack.push(a.allExtends)},visitDirectiveOut:function(a){this.allExtendsStack.length=this.allExtendsStack.length-1}};var h=function(){this._visitor=new e(this)};h.prototype={run:function(a){var b=new g;if(this.extendIndices={},b.run(a),!b.foundExtends)return a;a.allExtends=a.allExtends.concat(this.doExtendChaining(a.allExtends,a.allExtends)),this.allExtendsStack=[a.allExtends];var c=this._visitor.visit(a);return this.checkExtendsForNonMatched(a.allExtends),c},checkExtendsForNonMatched:function(a){var b=this.extendIndices;a.filter(function(a){return!a.hasFoundMatches&&1==a.parent_ids.length}).forEach(function(a){var c="_unknown_";try{c=a.selector.toCSS({})}catch(d){}b[a.index+" "+c]||(b[a.index+" "+c]=!0,f.warn("extend '"+c+"' has no matches"))})},doExtendChaining:function(a,b,c){var e,f,g,h,i,j,k,l,m=[],n=this;for(c=c||0,e=0;a.length>e;e++)for(f=0;b.length>f;f++)j=a[e],k=b[f],j.parent_ids.indexOf(k.object_id)>=0||(i=[k.selfSelectors[0]],g=n.findMatch(j,i),g.length&&(j.hasFoundMatches=!0,j.selfSelectors.forEach(function(a){var b=k.visibilityInfo();h=n.extendSelector(g,i,a,j.isVisible()),l=new d.Extend(k.selector,k.option,0,k.currentFileInfo,b),l.selfSelectors=h,h[h.length-1].extendList=[l],m.push(l),l.ruleset=k.ruleset,l.parent_ids=l.parent_ids.concat(k.parent_ids,j.parent_ids),k.firstExtendOnThisSelectorPath&&(l.firstExtendOnThisSelectorPath=!0,k.ruleset.paths.push(h))})));if(m.length){if(this.extendChainCount++,c>100){var o="{unable to calculate}",p="{unable to calculate}";try{o=m[0].selfSelectors[0].toCSS(),p=m[0].selector.toCSS()}catch(q){}throw{message:"extend circular reference detected. One of the circular extends is currently:"+o+":extend("+p+")"}}return m.concat(n.doExtendChaining(m,b,c+1))}return m},visitRule:function(a,b){b.visitDeeper=!1},visitMixinDefinition:function(a,b){b.visitDeeper=!1},visitSelector:function(a,b){b.visitDeeper=!1},visitRuleset:function(a,b){if(!a.root){var c,d,e,f,g=this.allExtendsStack[this.allExtendsStack.length-1],h=[],i=this;for(e=0;g.length>e;e++)for(d=0;a.paths.length>d;d++)if(f=a.paths[d],!a.extendOnEveryPath){var j=f[f.length-1].extendList;j&&j.length||(c=this.findMatch(g[e],f),c.length&&(g[e].hasFoundMatches=!0,g[e].selfSelectors.forEach(function(a){var b;b=i.extendSelector(c,f,a,g[e].isVisible()),h.push(b)})))}a.paths=a.paths.concat(h)}},findMatch:function(a,b){var c,d,e,f,g,h,i,j=this,k=a.selector.elements,l=[],m=[];for(c=0;b.length>c;c++)for(d=b[c],e=0;d.elements.length>e;e++)for(f=d.elements[e],(a.allowBefore||0===c&&0===e)&&l.push({pathIndex:c,index:e,matched:0,initialCombinator:f.combinator}),h=0;l.length>h;h++)i=l[h],g=f.combinator.value,""===g&&0===e&&(g=" "),!j.isElementValuesEqual(k[i.matched].value,f.value)||i.matched>0&&k[i.matched].combinator.value!==g?i=null:i.matched++,i&&(i.finished=i.matched===k.length,i.finished&&!a.allowAfter&&(d.elements.length>e+1||b.length>c+1)&&(i=null)),i?i.finished&&(i.length=k.length,i.endPathIndex=c,i.endPathElementIndex=e+1,l.length=0,m.push(i)):(l.splice(h,1),h--);return m},isElementValuesEqual:function(a,b){if("string"==typeof a||"string"==typeof b)return a===b;if(a instanceof d.Attribute)return a.op!==b.op||a.key!==b.key?!1:a.value&&b.value?(a=a.value.value||a.value,b=b.value.value||b.value,a===b):!a.value&&!b.value;if(a=a.value,b=b.value,a instanceof d.Selector){if(!(b instanceof d.Selector)||a.elements.length!==b.elements.length)return!1;for(var c=0;a.elements.length>c;c++){if(a.elements[c].combinator.value!==b.elements[c].combinator.value&&(0!==c||(a.elements[c].combinator.value||" ")!==(b.elements[c].combinator.value||" ")))return!1;if(!this.isElementValuesEqual(a.elements[c].value,b.elements[c].value))return!1}return!0}return!1},extendSelector:function(a,b,c,e){var f,g,h,i,j,k=0,l=0,m=[];for(f=0;a.length>f;f++)i=a[f],g=b[i.pathIndex],h=new d.Element(i.initialCombinator,c.elements[0].value,c.elements[0].index,c.elements[0].currentFileInfo),i.pathIndex>k&&l>0&&(m[m.length-1].elements=m[m.length-1].elements.concat(b[k].elements.slice(l)),l=0,k++),j=g.elements.slice(l,i.index).concat([h]).concat(c.elements.slice(1)),k===i.pathIndex&&f>0?m[m.length-1].elements=m[m.length-1].elements.concat(j):(m=m.concat(b.slice(k,i.pathIndex)),m.push(new d.Selector(j))),k=i.endPathIndex,l=i.endPathElementIndex,l>=b[k].elements.length&&(l=0,k++);return b.length>k&&l>0&&(m[m.length-1].elements=m[m.length-1].elements.concat(b[k].elements.slice(l)),k++),m=m.concat(b.slice(k,b.length)),m=m.map(function(a){var b=a.createDerived(a.elements);return e?b.ensureVisibility():b.ensureInvisibility(),b})},visitMedia:function(a,b){var c=a.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length-1]);c=c.concat(this.doExtendChaining(c,a.allExtends)),this.allExtendsStack.push(c)},visitMediaOut:function(a){var b=this.allExtendsStack.length-1;this.allExtendsStack.length=b},visitDirective:function(a,b){var c=a.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length-1]);c=c.concat(this.doExtendChaining(c,a.allExtends)),this.allExtendsStack.push(c)},visitDirectiveOut:function(a){var b=this.allExtendsStack.length-1;this.allExtendsStack.length=b}},b.exports=h},{"../logger":33,"../tree":62,"./visitor":91}],85:[function(a,b,c){function d(a){this.imports=[],this.variableImports=[],this._onSequencerEmpty=a,this._currentDepth=0}d.prototype.addImport=function(a){var b=this,c={callback:a,args:null,isReady:!1};return this.imports.push(c),function(){c.args=Array.prototype.slice.call(arguments,0),c.isReady=!0,b.tryRun()}},d.prototype.addVariableImport=function(a){ -this.variableImports.push(a)},d.prototype.tryRun=function(){this._currentDepth++;try{for(;;){for(;this.imports.length>0;){var a=this.imports[0];if(!a.isReady)return;this.imports=this.imports.slice(1),a.callback.apply(null,a.args)}if(0===this.variableImports.length)break;var b=this.variableImports[0];this.variableImports=this.variableImports.slice(1),b()}}finally{this._currentDepth--}0===this._currentDepth&&this._onSequencerEmpty&&this._onSequencerEmpty()},b.exports=d},{}],86:[function(a,b,c){var d=a("../contexts"),e=a("./visitor"),f=a("./import-sequencer"),g=function(a,b){this._visitor=new e(this),this._importer=a,this._finish=b,this.context=new d.Eval,this.importCount=0,this.onceFileDetectionMap={},this.recursionDetector={},this._sequencer=new f(this._onSequencerEmpty.bind(this))};g.prototype={isReplacing:!1,run:function(a){try{this._visitor.visit(a)}catch(b){this.error=b}this.isFinished=!0,this._sequencer.tryRun()},_onSequencerEmpty:function(){this.isFinished&&this._finish(this.error)},visitImport:function(a,b){var c=a.options.inline;if(!a.css||c){var e=new d.Eval(this.context,this.context.frames.slice(0)),f=e.frames[0];this.importCount++,a.isVariableImport()?this._sequencer.addVariableImport(this.processImportNode.bind(this,a,e,f)):this.processImportNode(a,e,f)}b.visitDeeper=!1},processImportNode:function(a,b,c){var d,e=a.options.inline;try{d=a.evalForImport(b)}catch(f){f.filename||(f.index=a.index,f.filename=a.currentFileInfo.filename),a.css=!0,a.error=f}if(!d||d.css&&!e)this.importCount--,this.isFinished&&this._sequencer.tryRun();else{d.options.multiple&&(b.importMultiple=!0);for(var g=void 0===d.css,h=0;c.rules.length>h;h++)if(c.rules[h]===a){c.rules[h]=d;break}var i=this.onImported.bind(this,d,b),j=this._sequencer.addImport(i);this._importer.push(d.getPath(),g,d.currentFileInfo,d.options,j)}},onImported:function(a,b,c,d,e,f){c&&(c.filename||(c.index=a.index,c.filename=a.currentFileInfo.filename),this.error=c);var g=this,h=a.options.inline,i=a.options.plugin,j=a.options.optional,k=e||f in g.recursionDetector;if(b.importMultiple||(a.skip=k?!0:function(){return f in g.onceFileDetectionMap?!0:(g.onceFileDetectionMap[f]=!0,!1)}),!f&&j&&(a.skip=!0),d&&(a.root=d,a.importedFilename=f,!h&&!i&&(b.importMultiple||!k))){g.recursionDetector[f]=!0;var l=this.context;this.context=b;try{this._visitor.visit(d)}catch(c){this.error=c}this.context=l}g.importCount--,g.isFinished&&g._sequencer.tryRun()},visitRule:function(a,b){"DetachedRuleset"===a.value.type?this.context.frames.unshift(a):b.visitDeeper=!1},visitRuleOut:function(a){"DetachedRuleset"===a.value.type&&this.context.frames.shift()},visitDirective:function(a,b){this.context.frames.unshift(a)},visitDirectiveOut:function(a){this.context.frames.shift()},visitMixinDefinition:function(a,b){this.context.frames.unshift(a)},visitMixinDefinitionOut:function(a){this.context.frames.shift()},visitRuleset:function(a,b){this.context.frames.unshift(a)},visitRulesetOut:function(a){this.context.frames.shift()},visitMedia:function(a,b){this.context.frames.unshift(a.rules[0])},visitMediaOut:function(a){this.context.frames.shift()}},b.exports=g},{"../contexts":11,"./import-sequencer":85,"./visitor":91}],87:[function(a,b,c){var d={Visitor:a("./visitor"),ImportVisitor:a("./import-visitor"),MarkVisibleSelectorsVisitor:a("./set-tree-visibility-visitor"),ExtendVisitor:a("./extend-visitor"),JoinSelectorVisitor:a("./join-selector-visitor"),ToCSSVisitor:a("./to-css-visitor")};b.exports=d},{"./extend-visitor":84,"./import-visitor":86,"./join-selector-visitor":88,"./set-tree-visibility-visitor":89,"./to-css-visitor":90,"./visitor":91}],88:[function(a,b,c){var d=a("./visitor"),e=function(){this.contexts=[[]],this._visitor=new d(this)};e.prototype={run:function(a){return this._visitor.visit(a)},visitRule:function(a,b){b.visitDeeper=!1},visitMixinDefinition:function(a,b){b.visitDeeper=!1},visitRuleset:function(a,b){var c,d=this.contexts[this.contexts.length-1],e=[];this.contexts.push(e),a.root||(c=a.selectors,c&&(c=c.filter(function(a){return a.getIsOutput()}),a.selectors=c.length?c:c=null,c&&a.joinSelectors(e,d,c)),c||(a.rules=null),a.paths=e)},visitRulesetOut:function(a){this.contexts.length=this.contexts.length-1},visitMedia:function(a,b){var c=this.contexts[this.contexts.length-1];a.rules[0].root=0===c.length||c[0].multiMedia},visitDirective:function(a,b){var c=this.contexts[this.contexts.length-1];a.rules&&a.rules.length&&(a.rules[0].root=a.isRooted||0===c.length||null)}},b.exports=e},{"./visitor":91}],89:[function(a,b,c){var d=function(a){this.visible=a};d.prototype.run=function(a){this.visit(a)},d.prototype.visitArray=function(a){if(!a)return a;var b,c=a.length;for(b=0;c>b;b++)this.visit(a[b]);return a},d.prototype.visit=function(a){return a?a.constructor===Array?this.visitArray(a):!a.blocksVisibility||a.blocksVisibility()?a:(this.visible?a.ensureVisibility():a.ensureInvisibility(),a.accept(this),a):a},b.exports=d},{}],90:[function(a,b,c){var d=a("../tree"),e=a("./visitor"),f=function(a){this._visitor=new e(this),this._context=a};f.prototype={containsSilentNonBlockedChild:function(a){var b;if(null==a)return!1;for(var c=0;a.length>c;c++)if(b=a[c],b.isSilent&&b.isSilent(this._context)&&!b.blocksVisibility())return!0;return!1},keepOnlyVisibleChilds:function(a){null!=a&&null!=a.rules&&(a.rules=a.rules.filter(function(a){return a.isVisible()}))},isEmpty:function(a){return null==a||null==a.rules?!0:0===a.rules.length},hasVisibleSelector:function(a){return null==a||null==a.paths?!1:a.paths.length>0},resolveVisibility:function(a,b){if(!a.blocksVisibility()){if(this.isEmpty(a)&&!this.containsSilentNonBlockedChild(b))return;return a}var c=a.rules[0];return this.keepOnlyVisibleChilds(c),this.isEmpty(c)?void 0:(a.ensureVisibility(),a.removeVisibilityBlock(),a)},isVisibleRuleset:function(a){return a.firstRoot?!0:this.isEmpty(a)?!1:!(!a.root&&!this.hasVisibleSelector(a))}};var g=function(a){this._visitor=new e(this),this._context=a,this.utils=new f(a)};g.prototype={isReplacing:!0,run:function(a){return this._visitor.visit(a)},visitRule:function(a,b){return a.blocksVisibility()||a.variable?void 0:a},visitMixinDefinition:function(a,b){a.frames=[]},visitExtend:function(a,b){},visitComment:function(a,b){return a.blocksVisibility()||a.isSilent(this._context)?void 0:a},visitMedia:function(a,b){var c=a.rules[0].rules;return a.accept(this._visitor),b.visitDeeper=!1,this.utils.resolveVisibility(a,c)},visitImport:function(a,b){return a.blocksVisibility()?void 0:a},visitDirective:function(a,b){return a.rules&&a.rules.length?this.visitDirectiveWithBody(a,b):this.visitDirectiveWithoutBody(a,b)},visitDirectiveWithBody:function(a,b){function c(a){var b=a.rules;return 1===b.length&&(!b[0].paths||0===b[0].paths.length)}function d(a){var b=a.rules;return c(a)?b[0].rules:b}var e=d(a);return a.accept(this._visitor),b.visitDeeper=!1,this.utils.isEmpty(a)||this._mergeRules(a.rules[0].rules),this.utils.resolveVisibility(a,e)},visitDirectiveWithoutBody:function(a,b){if(!a.blocksVisibility()){if("@charset"===a.name){if(this.charset){if(a.debugInfo){var c=new d.Comment("/* "+a.toCSS(this._context).replace(/\n/g,"")+" */\n");return c.debugInfo=a.debugInfo,this._visitor.visit(c)}return}this.charset=!0}return a}},checkValidNodes:function(a,b){if(a)for(var c=0;a.length>c;c++){var e=a[c];if(b&&e instanceof d.Rule&&!e.variable)throw{message:"Properties must be inside selector blocks. They cannot be in the root",index:e.index,filename:e.currentFileInfo&&e.currentFileInfo.filename};if(e instanceof d.Call)throw{message:"Function '"+e.name+"' is undefined",index:e.index,filename:e.currentFileInfo&&e.currentFileInfo.filename};if(e.type&&!e.allowRoot)throw{message:e.type+" node returned by a function is not valid here",index:e.index,filename:e.currentFileInfo&&e.currentFileInfo.filename}}},visitRuleset:function(a,b){var c,d=[];if(this.checkValidNodes(a.rules,a.firstRoot),a.root)a.accept(this._visitor),b.visitDeeper=!1;else{this._compileRulesetPaths(a);for(var e=a.rules,f=e?e.length:0,g=0;f>g;)c=e[g],c&&c.rules?(d.push(this._visitor.visit(c)),e.splice(g,1),f--):g++;f>0?a.accept(this._visitor):a.rules=null,b.visitDeeper=!1}return a.rules&&(this._mergeRules(a.rules),this._removeDuplicateRules(a.rules)),this.utils.isVisibleRuleset(a)&&(a.ensureVisibility(),d.splice(0,0,a)),1===d.length?d[0]:d},_compileRulesetPaths:function(a){a.paths&&(a.paths=a.paths.filter(function(a){var b;for(" "===a[0].elements[0].combinator.value&&(a[0].elements[0].combinator=new d.Combinator("")),b=0;a.length>b;b++)if(a[b].isVisible()&&a[b].getIsOutput())return!0;return!1}))},_removeDuplicateRules:function(a){if(a){var b,c,e,f={};for(e=a.length-1;e>=0;e--)if(c=a[e],c instanceof d.Rule)if(f[c.name]){b=f[c.name],b instanceof d.Rule&&(b=f[c.name]=[f[c.name].toCSS(this._context)]);var g=c.toCSS(this._context);-1!==b.indexOf(g)?a.splice(e,1):b.push(g)}else f[c.name]=c}},_mergeRules:function(a){if(a){for(var b,c,e,f={},g=0;a.length>g;g++)c=a[g],c instanceof d.Rule&&c.merge&&(e=[c.name,c.important?"!":""].join(","),f[e]?a.splice(g--,1):f[e]=[],f[e].push(c));Object.keys(f).map(function(a){function e(a){return new d.Expression(a.map(function(a){return a.value}))}function g(a){return new d.Value(a.map(function(a){return a}))}if(b=f[a],b.length>1){c=b[0];var h=[],i=[];b.map(function(a){"+"===a.merge&&(i.length>0&&h.push(e(i)),i=[]),i.push(a)}),h.push(e(i)),c.value=g(h)}})}},visitAnonymous:function(a,b){return a.blocksVisibility()?void 0:(a.accept(this._visitor),a)}},b.exports=g},{"../tree":62,"./visitor":91}],91:[function(a,b,c){function d(a){return a}function e(a,b){var c,d;for(c in a)if(a.hasOwnProperty(c))switch(d=a[c],typeof d){case"function":d.prototype&&d.prototype.type&&(d.prototype.typeIndex=b++);break;case"object":b=e(d,b)}return b}var f=a("../tree"),g={visitDeeper:!0},h=!1,i=function(a){this._implementation=a,this._visitFnCache=[],h||(e(f,1),h=!0)};i.prototype={visit:function(a){if(!a)return a;var b=a.typeIndex;if(!b)return a;var c,e=this._visitFnCache,f=this._implementation,h=b<<1,i=1|h,j=e[h],k=e[i],l=g;if(l.visitDeeper=!0,j||(c="visit"+a.type,j=f[c]||d,k=f[c+"Out"]||d,e[h]=j,e[i]=k),j!==d){var m=j.call(f,a,l);f.isReplacing&&(a=m)}return l.visitDeeper&&a&&a.accept&&a.accept(this),k!=d&&k.call(f,a),a},visitArray:function(a,b){if(!a)return a;var c,d=a.length;if(b||!this._implementation.isReplacing){for(c=0;d>c;c++)this.visit(a[c]);return a}var e=[];for(c=0;d>c;c++){var f=this.visit(a[c]);void 0!==f&&(f.splice?f.length&&this.flatten(f,e):e.push(f))}return e},flatten:function(a,b){b||(b=[]);var c,d,e,f,g,h;for(d=0,c=a.length;c>d;d++)if(e=a[d],void 0!==e)if(e.splice)for(g=0,f=e.length;f>g;g++)h=e[g],void 0!==h&&(h.splice?h.length&&this.flatten(h,b):b.push(h));else b.push(e);return b}},b.exports=i},{"../tree":62}],92:[function(a,b,c){"use strict";function d(){if(i.length)throw i.shift()}function e(a){var b;b=h.length?h.pop():new f,b.task=a,g(b)}function f(){this.task=null}var g=a("./raw"),h=[],i=[],j=g.makeRequestCallFromTimer(d);b.exports=e,f.prototype.call=function(){try{this.task.call()}catch(a){e.onerror?e.onerror(a):(i.push(a),j())}finally{this.task=null,h[h.length]=this}}},{"./raw":93}],93:[function(a,b,c){(function(a){"use strict";function c(a){h.length||(g(),i=!0),h[h.length]=a}function d(){for(;h.length>j;){var a=j;if(j+=1,h[a].call(),j>k){for(var b=0,c=h.length-j;c>b;b++)h[b]=h[b+j];h.length-=j,j=0}}h.length=0,j=0,i=!1}function e(a){var b=1,c=new l(a),d=document.createTextNode("");return c.observe(d,{characterData:!0}),function(){b=-b,d.data=b}}function f(a){return function(){function b(){clearTimeout(c),clearInterval(d),a()}var c=setTimeout(b,0),d=setInterval(b,50)}}b.exports=c;var g,h=[],i=!1,j=0,k=1024,l=a.MutationObserver||a.WebKitMutationObserver;g="function"==typeof l?e(d):f(d),c.requestFlush=g,c.makeRequestCallFromTimer=f}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],94:[function(a,b,c){"use strict";function d(){}function e(a){try{return a.then}catch(b){return r=b,s}}function f(a,b){try{return a(b)}catch(c){return r=c,s}}function g(a,b,c){try{a(b,c)}catch(d){return r=d,s}}function h(a){if("object"!=typeof this)throw new TypeError("Promises must be constructed via new");if("function"!=typeof a)throw new TypeError("not a function");this._45=0,this._81=0,this._65=null,this._54=null,a!==d&&p(a,this)}function i(a,b,c){return new a.constructor(function(e,f){var g=new h(d);g.then(e,f),j(a,new o(b,c,g))})}function j(a,b){for(;3===a._81;)a=a._65;return h._10&&h._10(a),0===a._81?0===a._45?(a._45=1,void(a._54=b)):1===a._45?(a._45=2,void(a._54=[a._54,b])):void a._54.push(b):void k(a,b)}function k(a,b){q(function(){var c=1===a._81?b.onFulfilled:b.onRejected;if(null===c)return void(1===a._81?l(b.promise,a._65):m(b.promise,a._65));var d=f(c,a._65);d===s?m(b.promise,r):l(b.promise,d)})}function l(a,b){if(b===a)return m(a,new TypeError("A promise cannot be resolved with itself."));if(b&&("object"==typeof b||"function"==typeof b)){var c=e(b);if(c===s)return m(a,r);if(c===a.then&&b instanceof h)return a._81=3,a._65=b,void n(a);if("function"==typeof c)return void p(c.bind(b),a)}a._81=1,a._65=b,n(a)}function m(a,b){a._81=2,a._65=b,h._97&&h._97(a,b),n(a)}function n(a){if(1===a._45&&(j(a,a._54),a._54=null),2===a._45){for(var b=0;a._54.length>b;b++)j(a,a._54[b]);a._54=null}}function o(a,b,c){this.onFulfilled="function"==typeof a?a:null,this.onRejected="function"==typeof b?b:null,this.promise=c}function p(a,b){var c=!1,d=g(a,function(a){c||(c=!0,l(b,a))},function(a){c||(c=!0,m(b,a))});c||d!==s||(c=!0,m(b,r))}var q=a("asap/raw"),r=null,s={};b.exports=h,h._10=null,h._97=null,h._61=d,h.prototype.then=function(a,b){if(this.constructor!==h)return i(this,a,b);var c=new h(d);return j(this,new o(a,b,c)),c}},{"asap/raw":93}],95:[function(a,b,c){"use strict";function d(a){var b=new e(e._61);return b._81=1,b._65=a,b}var e=a("./core.js");b.exports=e;var f=d(!0),g=d(!1),h=d(null),i=d(void 0),j=d(0),k=d("");e.resolve=function(a){if(a instanceof e)return a;if(null===a)return h;if(void 0===a)return i;if(a===!0)return f;if(a===!1)return g;if(0===a)return j;if(""===a)return k;if("object"==typeof a||"function"==typeof a)try{var b=a.then;if("function"==typeof b)return new e(b.bind(a))}catch(c){return new e(function(a,b){b(c)})}return d(a)},e.all=function(a){var b=Array.prototype.slice.call(a);return new e(function(a,c){function d(g,h){if(h&&("object"==typeof h||"function"==typeof h)){if(h instanceof e&&h.then===e.prototype.then){for(;3===h._81;)h=h._65;return 1===h._81?d(g,h._65):(2===h._81&&c(h._65),void h.then(function(a){d(g,a)},c))}var i=h.then;if("function"==typeof i){var j=new e(i.bind(h));return void j.then(function(a){d(g,a)},c)}}b[g]=h,0===--f&&a(b)}if(0===b.length)return a([]);for(var f=b.length,g=0;b.length>g;g++)d(g,b[g])})},e.reject=function(a){return new e(function(b,c){c(a)})},e.race=function(a){return new e(function(b,c){a.forEach(function(a){e.resolve(a).then(b,c)})})},e.prototype["catch"]=function(a){return this.then(null,a)}},{"./core.js":94}],96:[function(a,b,c){"function"!=typeof Promise.prototype.done&&(Promise.prototype.done=function(a,b){var c=arguments.length?this.then.apply(this,arguments):this;c.then(null,function(a){setTimeout(function(){throw a},0)})})},{}],97:[function(a,b,c){a("asap");"undefined"==typeof Promise&&(Promise=a("./lib/core.js"),a("./lib/es6-extensions.js")),a("./polyfill-done.js")},{"./lib/core.js":94,"./lib/es6-extensions.js":95,"./polyfill-done.js":96,asap:92}]},{},[2])(2)}); \ No newline at end of file diff --git a/lib/less/tree/color.js b/lib/less/tree/color.js index a694d5ff1..74083df6b 100644 --- a/lib/less/tree/color.js +++ b/lib/less/tree/color.js @@ -132,6 +132,14 @@ Color.prototype.toHSL = function () { } return { h: h * 360, s: s, l: l, a: a }; }; +Color.prototype.toHCG = function () { + var r = this.rgb[0] / 255, + g = this.rgb[1] / 255, + b = this.rgb[2] / 255, + a = this.alpha; + + return {h: h * 360, c: c, g: gr, a: a}; +}; //Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript Color.prototype.toHSV = function () { var r = this.rgb[0] / 255, diff --git a/test/less/functions.less b/test/less/functions.less index 4866bdca7..a2ea18805 100644 --- a/test/less/functions.less +++ b/test/less/functions.less @@ -134,14 +134,17 @@ fade-out: fadeout(red, 5%); // support fadeOut and fadeout fade-in: fadein(fadeout(red, 10%), 5%); - fade-out-relative: fadeout(red, 5%,relative); + fade-out-relative: fadeout(red, 5%,relative); fade-in-relative: fadein(fadeout(red, 10%, relative), 5%, relative); - fade-out2: fadeout(fadeout(red, 50%), 50%); + fade-out2: fadeout(fadeout(red, 50%), 50%); fade-out2-relative: fadeout(fadeout(red, 50%, relative), 50%, relative); - + hsv: hsv(5, 50%, 30%); hsva: hsva(3, 50%, 30%, 0.2); + hcg: hcg(5, 15%, 18%); + hcga: hcga(5, 15%, 18%, 0.2); + mix: mix(#ff0000, #ffff00, 80); mix-0: mix(#ff0000, #ffff00, 0); mix-100: mix(#ff0000, #ffff00, 100); From e627eaa54cbe6a2f699f16065a6a5ba51f7427f2 Mon Sep 17 00:00:00 2001 From: acterhd Date: Mon, 4 Jul 2016 20:26:38 +0800 Subject: [PATCH 2/2] bug fixes --- dist/less.js | 10891 ++++++++++++++++++++++++++++++++++ dist/less.min.js | 17 + lib/less/functions/color.js | 29 + lib/less/tree/color.js | 14 + test/css/functions.css | 2 + 5 files changed, 10953 insertions(+) create mode 100644 dist/less.js create mode 100644 dist/less.min.js diff --git a/dist/less.js b/dist/less.js new file mode 100644 index 000000000..44e3a216d --- /dev/null +++ b/dist/less.js @@ -0,0 +1,10891 @@ +/*! + * Less - Leaner CSS v2.7.1 + * http://lesscss.org + * + * Copyright (c) 2009-2016, Alexis Sellier + * Licensed under the Apache-2.0 License. + * + */ + + /** * @license Apache-2.0 + */ + +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.less = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 0) || + options.isFileProtocol ? 'development' + : 'production'); + + var dumpLineNumbers = /!dumpLineNumbers:(comments|mediaquery|all)/.exec(window.location.hash); + if (dumpLineNumbers) { + options.dumpLineNumbers = dumpLineNumbers[1]; + } + + if (options.useFileCache === undefined) { + options.useFileCache = true; + } + + if (options.onReady === undefined) { + options.onReady = true; + } + +}; + +},{"./browser":3,"./utils":10}],2:[function(require,module,exports){ +/** + * Kicks off less and compiles any stylesheets + * used in the browser distributed version of less + * to kick-start less using the browser api + */ +/*global window, document */ + +// shim Promise if required +require('promise/polyfill.js'); + +var options = window.less || {}; +require("./add-default-options")(window, options); + +var less = module.exports = require("./index")(window, options); + +window.less = less; + +var css, head, style; + +// Always restore page visibility +function resolveOrReject(data) { + if (data.filename) { + console.warn(data); + } + if (!options.async) { + head.removeChild(style); + } +} + +if (options.onReady) { + if (/!watch/.test(window.location.hash)) { + less.watch(); + } + // Simulate synchronous stylesheet loading by blocking page rendering + if (!options.async) { + css = 'body { display: none !important }'; + head = document.head || document.getElementsByTagName('head')[0]; + style = document.createElement('style'); + + style.type = 'text/css'; + if (style.styleSheet) { + style.styleSheet.cssText = css; + } else { + style.appendChild(document.createTextNode(css)); + } + + head.appendChild(style); + } + less.registerStylesheetsImmediately(); + less.pageLoadFinished = less.refresh(less.env === 'development').then(resolveOrReject, resolveOrReject); +} + +},{"./add-default-options":1,"./index":8,"promise/polyfill.js":97}],3:[function(require,module,exports){ +var utils = require("./utils"); +module.exports = { + createCSS: function (document, styles, sheet) { + // Strip the query-string + var href = sheet.href || ''; + + // If there is no title set, use the filename, minus the extension + var id = 'less:' + (sheet.title || utils.extractId(href)); + + // If this has already been inserted into the DOM, we may need to replace it + var oldStyleNode = document.getElementById(id); + var keepOldStyleNode = false; + + // Create a new stylesheet node for insertion or (if necessary) replacement + var styleNode = document.createElement('style'); + styleNode.setAttribute('type', 'text/css'); + if (sheet.media) { + styleNode.setAttribute('media', sheet.media); + } + styleNode.id = id; + + if (!styleNode.styleSheet) { + styleNode.appendChild(document.createTextNode(styles)); + + // If new contents match contents of oldStyleNode, don't replace oldStyleNode + keepOldStyleNode = (oldStyleNode !== null && oldStyleNode.childNodes.length > 0 && styleNode.childNodes.length > 0 && + oldStyleNode.firstChild.nodeValue === styleNode.firstChild.nodeValue); + } + + var head = document.getElementsByTagName('head')[0]; + + // If there is no oldStyleNode, just append; otherwise, only append if we need + // to replace oldStyleNode with an updated stylesheet + if (oldStyleNode === null || keepOldStyleNode === false) { + var nextEl = sheet && sheet.nextSibling || null; + if (nextEl) { + nextEl.parentNode.insertBefore(styleNode, nextEl); + } else { + head.appendChild(styleNode); + } + } + if (oldStyleNode && keepOldStyleNode === false) { + oldStyleNode.parentNode.removeChild(oldStyleNode); + } + + // For IE. + // This needs to happen *after* the style element is added to the DOM, otherwise IE 7 and 8 may crash. + // See http://social.msdn.microsoft.com/Forums/en-US/7e081b65-878a-4c22-8e68-c10d39c2ed32/internet-explorer-crashes-appending-style-element-to-head + if (styleNode.styleSheet) { + try { + styleNode.styleSheet.cssText = styles; + } catch (e) { + throw new Error("Couldn't reassign styleSheet.cssText."); + } + } + }, + currentScript: function(window) { + var document = window.document; + return document.currentScript || (function() { + var scripts = document.getElementsByTagName("script"); + return scripts[scripts.length - 1]; + })(); + } +}; + +},{"./utils":10}],4:[function(require,module,exports){ +// Cache system is a bit outdated and could do with work + +module.exports = function(window, options, logger) { + var cache = null; + if (options.env !== 'development') { + try { + cache = (typeof window.localStorage === 'undefined') ? null : window.localStorage; + } catch (_) {} + } + return { + setCSS: function(path, lastModified, modifyVars, styles) { + if (cache) { + logger.info('saving ' + path + ' to cache.'); + try { + cache.setItem(path, styles); + cache.setItem(path + ':timestamp', lastModified); + if (modifyVars) { + cache.setItem(path + ':vars', JSON.stringify(modifyVars)); + } + } catch(e) { + //TODO - could do with adding more robust error handling + logger.error('failed to save "' + path + '" to local storage for caching.'); + } + } + }, + getCSS: function(path, webInfo, modifyVars) { + var css = cache && cache.getItem(path), + timestamp = cache && cache.getItem(path + ':timestamp'), + vars = cache && cache.getItem(path + ':vars'); + + modifyVars = modifyVars || {}; + + if (timestamp && webInfo.lastModified && + (new Date(webInfo.lastModified).valueOf() === + new Date(timestamp).valueOf()) && + (!modifyVars && !vars || JSON.stringify(modifyVars) === vars)) { + // Use local copy + return css; + } + } + }; +}; + +},{}],5:[function(require,module,exports){ +var utils = require("./utils"), + browser = require("./browser"); + +module.exports = function(window, less, options) { + + function errorHTML(e, rootHref) { + var id = 'less-error-message:' + utils.extractId(rootHref || ""); + var template = '
  • {content}
    • '; + var elem = window.document.createElement('div'), timer, content, errors = []; + var filename = e.filename || rootHref; + var filenameNoPath = filename.match(/([^\/]+(\?.*)?)$/)[1]; + + elem.id = id; + elem.className = "less-error-message"; + + content = '

    ' + (e.type || "Syntax") + "Error: " + (e.message || 'There is an error in your .less file') + + '

    ' + '

    in ' + filenameNoPath + " "; + + var errorline = function (e, i, classname) { + if (e.extract[i] !== undefined) { + errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1)) + .replace(/\{class\}/, classname) + .replace(/\{content\}/, e.extract[i])); + } + }; + + if (e.extract) { + errorline(e, 0, ''); + errorline(e, 1, 'line'); + errorline(e, 2, ''); + content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':

    ' + + '
      ' + errors.join('') + '
    '; + } + if (e.stack && (e.extract || options.logLevel >= 4)) { + content += '
    Stack Trace
    ' + e.stack.split('\n').slice(1).join('
    '); + } + elem.innerHTML = content; + + // CSS for error messages + browser.createCSS(window.document, [ + '.less-error-message ul, .less-error-message li {', + 'list-style-type: none;', + 'margin-right: 15px;', + 'padding: 4px 0;', + 'margin: 0;', + '}', + '.less-error-message label {', + 'font-size: 12px;', + 'margin-right: 15px;', + 'padding: 4px 0;', + 'color: #cc7777;', + '}', + '.less-error-message pre {', + 'color: #dd6666;', + 'padding: 4px 0;', + 'margin: 0;', + 'display: inline-block;', + '}', + '.less-error-message pre.line {', + 'color: #ff0000;', + '}', + '.less-error-message h3 {', + 'font-size: 20px;', + 'font-weight: bold;', + 'padding: 15px 0 5px 0;', + 'margin: 0;', + '}', + '.less-error-message a {', + 'color: #10a', + '}', + '.less-error-message .error {', + 'color: red;', + 'font-weight: bold;', + 'padding-bottom: 2px;', + 'border-bottom: 1px dashed red;', + '}' + ].join('\n'), { title: 'error-message' }); + + elem.style.cssText = [ + "font-family: Arial, sans-serif", + "border: 1px solid #e00", + "background-color: #eee", + "border-radius: 5px", + "-webkit-border-radius: 5px", + "-moz-border-radius: 5px", + "color: #e00", + "padding: 15px", + "margin-bottom: 15px" + ].join(';'); + + if (options.env === 'development') { + timer = setInterval(function () { + var document = window.document, + body = document.body; + if (body) { + if (document.getElementById(id)) { + body.replaceChild(elem, document.getElementById(id)); + } else { + body.insertBefore(elem, body.firstChild); + } + clearInterval(timer); + } + }, 10); + } + } + + function removeErrorHTML(path) { + var node = window.document.getElementById('less-error-message:' + utils.extractId(path)); + if (node) { + node.parentNode.removeChild(node); + } + } + + function removeErrorConsole(path) { + //no action + } + + function removeError(path) { + if (!options.errorReporting || options.errorReporting === "html") { + removeErrorHTML(path); + } else if (options.errorReporting === "console") { + removeErrorConsole(path); + } else if (typeof options.errorReporting === 'function') { + options.errorReporting("remove", path); + } + } + + function errorConsole(e, rootHref) { + var template = '{line} {content}'; + var filename = e.filename || rootHref; + var errors = []; + var content = (e.type || "Syntax") + "Error: " + (e.message || 'There is an error in your .less file') + + " in " + filename + " "; + + var errorline = function (e, i, classname) { + if (e.extract[i] !== undefined) { + errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1)) + .replace(/\{class\}/, classname) + .replace(/\{content\}/, e.extract[i])); + } + }; + + if (e.extract) { + errorline(e, 0, ''); + errorline(e, 1, 'line'); + errorline(e, 2, ''); + content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':\n' + + errors.join('\n'); + } + if (e.stack && (e.extract || options.logLevel >= 4)) { + content += '\nStack Trace\n' + e.stack; + } + less.logger.error(content); + } + + function error(e, rootHref) { + if (!options.errorReporting || options.errorReporting === "html") { + errorHTML(e, rootHref); + } else if (options.errorReporting === "console") { + errorConsole(e, rootHref); + } else if (typeof options.errorReporting === 'function') { + options.errorReporting("add", e, rootHref); + } + } + + return { + add: error, + remove: removeError + }; +}; + +},{"./browser":3,"./utils":10}],6:[function(require,module,exports){ +/*global window, XMLHttpRequest */ + +module.exports = function(options, logger) { + + var AbstractFileManager = require("../less/environment/abstract-file-manager.js"); + + var fileCache = {}; + + //TODOS - move log somewhere. pathDiff and doing something similar in node. use pathDiff in the other browser file for the initial load + + function getXMLHttpRequest() { + if (window.XMLHttpRequest && (window.location.protocol !== "file:" || !("ActiveXObject" in window))) { + return new XMLHttpRequest(); + } else { + try { + /*global ActiveXObject */ + return new ActiveXObject("Microsoft.XMLHTTP"); + } catch (e) { + logger.error("browser doesn't support AJAX."); + return null; + } + } + } + + var FileManager = function() { + }; + + FileManager.prototype = new AbstractFileManager(); + + FileManager.prototype.alwaysMakePathsAbsolute = function alwaysMakePathsAbsolute() { + return true; + }; + FileManager.prototype.join = function join(basePath, laterPath) { + if (!basePath) { + return laterPath; + } + return this.extractUrlParts(laterPath, basePath).path; + }; + FileManager.prototype.doXHR = function doXHR(url, type, callback, errback) { + + var xhr = getXMLHttpRequest(); + var async = options.isFileProtocol ? options.fileAsync : true; + + if (typeof xhr.overrideMimeType === 'function') { + xhr.overrideMimeType('text/css'); + } + logger.debug("XHR: Getting '" + url + "'"); + xhr.open('GET', url, async); + xhr.setRequestHeader('Accept', type || 'text/x-less, text/css; q=0.9, */*; q=0.5'); + xhr.send(null); + + function handleResponse(xhr, callback, errback) { + if (xhr.status >= 200 && xhr.status < 300) { + callback(xhr.responseText, + xhr.getResponseHeader("Last-Modified")); + } else if (typeof errback === 'function') { + errback(xhr.status, url); + } + } + + if (options.isFileProtocol && !options.fileAsync) { + if (xhr.status === 0 || (xhr.status >= 200 && xhr.status < 300)) { + callback(xhr.responseText); + } else { + errback(xhr.status, url); + } + } else if (async) { + xhr.onreadystatechange = function () { + if (xhr.readyState == 4) { + handleResponse(xhr, callback, errback); + } + }; + } else { + handleResponse(xhr, callback, errback); + } + }; + FileManager.prototype.supports = function(filename, currentDirectory, options, environment) { + return true; + }; + + FileManager.prototype.clearFileCache = function() { + fileCache = {}; + }; + + FileManager.prototype.loadFile = function loadFile(filename, currentDirectory, options, environment, callback) { + if (currentDirectory && !this.isPathAbsolute(filename)) { + filename = currentDirectory + filename; + } + + options = options || {}; + + // sheet may be set to the stylesheet for the initial load or a collection of properties including + // some context variables for imports + var hrefParts = this.extractUrlParts(filename, window.location.href); + var href = hrefParts.url; + + if (options.useFileCache && fileCache[href]) { + try { + var lessText = fileCache[href]; + callback(null, { contents: lessText, filename: href, webInfo: { lastModified: new Date() }}); + } catch (e) { + callback({filename: href, message: "Error loading file " + href + " error was " + e.message}); + } + return; + } + + this.doXHR(href, options.mime, function doXHRCallback(data, lastModified) { + // per file cache + fileCache[href] = data; + + // Use remote copy (re-parse) + callback(null, { contents: data, filename: href, webInfo: { lastModified: lastModified }}); + }, function doXHRError(status, url) { + callback({ type: 'File', message: "'" + url + "' wasn't found (" + status + ")", href: href }); + }); + }; + + return FileManager; +}; + +},{"../less/environment/abstract-file-manager.js":15}],7:[function(require,module,exports){ +module.exports = function() { + + var functionRegistry = require("./../less/functions/function-registry"); + + function imageSize() { + throw { + type: "Runtime", + message: "Image size functions are not supported in browser version of less" + }; + } + + var imageFunctions = { + "image-size": function(filePathNode) { + imageSize(this, filePathNode); + return -1; + }, + "image-width": function(filePathNode) { + imageSize(this, filePathNode); + return -1; + }, + "image-height": function(filePathNode) { + imageSize(this, filePathNode); + return -1; + } + }; + + functionRegistry.addMultiple(imageFunctions); +}; + +},{"./../less/functions/function-registry":22}],8:[function(require,module,exports){ +// +// index.js +// Should expose the additional browser functions on to the less object +// +var addDataAttr = require("./utils").addDataAttr, + browser = require("./browser"); + +module.exports = function(window, options) { + var document = window.document; + var less = require('../less')(); + + //module.exports = less; + less.options = options; + var environment = less.environment, + FileManager = require("./file-manager")(options, less.logger), + fileManager = new FileManager(); + environment.addFileManager(fileManager); + less.FileManager = FileManager; + + require("./log-listener")(less, options); + var errors = require("./error-reporting")(window, less, options); + var cache = less.cache = options.cache || require("./cache")(window, options, less.logger); + require('./image-size')(less.environment); + + //Setup user functions + if (options.functions) { + less.functions.functionRegistry.addMultiple(options.functions); + } + + var typePattern = /^text\/(x-)?less$/; + + function postProcessCSS(styles) { // deprecated, use a plugin for postprocesstasks + if (options.postProcessor && typeof options.postProcessor === 'function') { + styles = options.postProcessor.call(styles, styles) || styles; + } + return styles; + } + + function clone(obj) { + var cloned = {}; + for (var prop in obj) { + if (obj.hasOwnProperty(prop)) { + cloned[prop] = obj[prop]; + } + } + return cloned; + } + + // only really needed for phantom + function bind(func, thisArg) { + var curryArgs = Array.prototype.slice.call(arguments, 2); + return function() { + var args = curryArgs.concat(Array.prototype.slice.call(arguments, 0)); + return func.apply(thisArg, args); + }; + } + + function loadStyles(modifyVars) { + var styles = document.getElementsByTagName('style'), + style; + + for (var i = 0; i < styles.length; i++) { + style = styles[i]; + if (style.type.match(typePattern)) { + var instanceOptions = clone(options); + instanceOptions.modifyVars = modifyVars; + var lessText = style.innerHTML || ''; + instanceOptions.filename = document.location.href.replace(/#.*$/, ''); + + /*jshint loopfunc:true */ + // use closure to store current style + less.render(lessText, instanceOptions, + bind(function(style, e, result) { + if (e) { + errors.add(e, "inline"); + } else { + style.type = 'text/css'; + if (style.styleSheet) { + style.styleSheet.cssText = result.css; + } else { + style.innerHTML = result.css; + } + } + }, null, style)); + } + } + } + + function loadStyleSheet(sheet, callback, reload, remaining, modifyVars) { + + var instanceOptions = clone(options); + addDataAttr(instanceOptions, sheet); + instanceOptions.mime = sheet.type; + + if (modifyVars) { + instanceOptions.modifyVars = modifyVars; + } + + function loadInitialFileCallback(loadedFile) { + + var data = loadedFile.contents, + path = loadedFile.filename, + webInfo = loadedFile.webInfo; + + var newFileInfo = { + currentDirectory: fileManager.getPath(path), + filename: path, + rootFilename: path, + relativeUrls: instanceOptions.relativeUrls}; + + newFileInfo.entryPath = newFileInfo.currentDirectory; + newFileInfo.rootpath = instanceOptions.rootpath || newFileInfo.currentDirectory; + + if (webInfo) { + webInfo.remaining = remaining; + + var css = cache.getCSS(path, webInfo, instanceOptions.modifyVars); + if (!reload && css) { + webInfo.local = true; + callback(null, css, data, sheet, webInfo, path); + return; + } + + } + + //TODO add tests around how this behaves when reloading + errors.remove(path); + + instanceOptions.rootFileInfo = newFileInfo; + less.render(data, instanceOptions, function(e, result) { + if (e) { + e.href = path; + callback(e); + } else { + result.css = postProcessCSS(result.css); + cache.setCSS(sheet.href, webInfo.lastModified, instanceOptions.modifyVars, result.css); + callback(null, result.css, data, sheet, webInfo, path); + } + }); + } + + fileManager.loadFile(sheet.href, null, instanceOptions, environment, function(e, loadedFile) { + if (e) { + callback(e); + return; + } + loadInitialFileCallback(loadedFile); + }); + } + + function loadStyleSheets(callback, reload, modifyVars) { + for (var i = 0; i < less.sheets.length; i++) { + loadStyleSheet(less.sheets[i], callback, reload, less.sheets.length - (i + 1), modifyVars); + } + } + + function initRunningMode() { + if (less.env === 'development') { + less.watchTimer = setInterval(function () { + if (less.watchMode) { + fileManager.clearFileCache(); + loadStyleSheets(function (e, css, _, sheet, webInfo) { + if (e) { + errors.add(e, e.href || sheet.href); + } else if (css) { + browser.createCSS(window.document, css, sheet); + } + }); + } + }, options.poll); + } + } + + // + // Watch mode + // + less.watch = function () { + if (!less.watchMode ) { + less.env = 'development'; + initRunningMode(); + } + this.watchMode = true; + return true; + }; + + less.unwatch = function () {clearInterval(less.watchTimer); this.watchMode = false; return false; }; + + // + // Synchronously get all tags with the 'rel' attribute set to + // "stylesheet/less". + // + less.registerStylesheetsImmediately = function() { + var links = document.getElementsByTagName('link'); + less.sheets = []; + + for (var i = 0; i < links.length; i++) { + if (links[i].rel === 'stylesheet/less' || (links[i].rel.match(/stylesheet/) && + (links[i].type.match(typePattern)))) { + less.sheets.push(links[i]); + } + } + }; + + // + // Asynchronously get all tags with the 'rel' attribute set to + // "stylesheet/less", returning a Promise. + // + less.registerStylesheets = function() { + return new Promise(function(resolve, reject) { + less.registerStylesheetsImmediately(); + resolve(); + }); + }; + + // + // With this function, it's possible to alter variables and re-render + // CSS without reloading less-files + // + less.modifyVars = function(record) { + return less.refresh(true, record, false); + }; + + less.refresh = function (reload, modifyVars, clearFileCache) { + if ((reload || clearFileCache) && clearFileCache !== false) { + fileManager.clearFileCache(); + } + return new Promise(function (resolve, reject) { + var startTime, endTime, totalMilliseconds, remainingSheets; + startTime = endTime = new Date(); + + // Set counter for remaining unprocessed sheets + remainingSheets = less.sheets.length; + + if (remainingSheets === 0) { + + endTime = new Date(); + totalMilliseconds = endTime - startTime; + less.logger.info("Less has finished and no sheets were loaded."); + resolve({ + startTime: startTime, + endTime: endTime, + totalMilliseconds: totalMilliseconds, + sheets: less.sheets.length + }); + + } else { + // Relies on less.sheets array, callback seems to be guaranteed to be called for every element of the array + loadStyleSheets(function (e, css, _, sheet, webInfo) { + if (e) { + errors.add(e, e.href || sheet.href); + reject(e); + return; + } + if (webInfo.local) { + less.logger.info("Loading " + sheet.href + " from cache."); + } else { + less.logger.info("Rendered " + sheet.href + " successfully."); + } + browser.createCSS(window.document, css, sheet); + less.logger.info("CSS for " + sheet.href + " generated in " + (new Date() - endTime) + 'ms'); + + // Count completed sheet + remainingSheets--; + + // Check if the last remaining sheet was processed and then call the promise + if (remainingSheets === 0) { + totalMilliseconds = new Date() - startTime; + less.logger.info("Less has finished. CSS generated in " + totalMilliseconds + 'ms'); + resolve({ + startTime: startTime, + endTime: endTime, + totalMilliseconds: totalMilliseconds, + sheets: less.sheets.length + }); + } + endTime = new Date(); + }, reload, modifyVars); + } + + loadStyles(modifyVars); + }); + }; + + less.refreshStyles = loadStyles; + return less; +}; + +},{"../less":31,"./browser":3,"./cache":4,"./error-reporting":5,"./file-manager":6,"./image-size":7,"./log-listener":9,"./utils":10}],9:[function(require,module,exports){ +module.exports = function(less, options) { + + var logLevel_debug = 4, + logLevel_info = 3, + logLevel_warn = 2, + logLevel_error = 1; + + // The amount of logging in the javascript console. + // 3 - Debug, information and errors + // 2 - Information and errors + // 1 - Errors + // 0 - None + // Defaults to 2 + options.logLevel = typeof options.logLevel !== 'undefined' ? options.logLevel : (options.env === 'development' ? logLevel_info : logLevel_error); + + if (!options.loggers) { + options.loggers = [{ + debug: function(msg) { + if (options.logLevel >= logLevel_debug) { + console.log(msg); + } + }, + info: function(msg) { + if (options.logLevel >= logLevel_info) { + console.log(msg); + } + }, + warn: function(msg) { + if (options.logLevel >= logLevel_warn) { + console.warn(msg); + } + }, + error: function(msg) { + if (options.logLevel >= logLevel_error) { + console.error(msg); + } + } + }]; + } + for (var i = 0; i < options.loggers.length; i++) { + less.logger.addListener(options.loggers[i]); + } +}; + +},{}],10:[function(require,module,exports){ +module.exports = { + extractId: function(href) { + return href.replace(/^[a-z-]+:\/+?[^\/]+/, '') // Remove protocol & domain + .replace(/[\?\&]livereload=\w+/, '') // Remove LiveReload cachebuster + .replace(/^\//, '') // Remove root / + .replace(/\.[a-zA-Z]+$/, '') // Remove simple extension + .replace(/[^\.\w-]+/g, '-') // Replace illegal characters + .replace(/\./g, ':'); // Replace dots with colons(for valid id) + }, + addDataAttr: function(options, tag) { + for (var opt in tag.dataset) { + if (tag.dataset.hasOwnProperty(opt)) { + if (opt === "env" || opt === "dumpLineNumbers" || opt === "rootpath" || opt === "errorReporting") { + options[opt] = tag.dataset[opt]; + } else { + try { + options[opt] = JSON.parse(tag.dataset[opt]); + } + catch(_) {} + } + } + } + } +}; + +},{}],11:[function(require,module,exports){ +var contexts = {}; +module.exports = contexts; + +var copyFromOriginal = function copyFromOriginal(original, destination, propertiesToCopy) { + if (!original) { return; } + + for (var i = 0; i < propertiesToCopy.length; i++) { + if (original.hasOwnProperty(propertiesToCopy[i])) { + destination[propertiesToCopy[i]] = original[propertiesToCopy[i]]; + } + } +}; + +/* + parse is used whilst parsing + */ +var parseCopyProperties = [ + // options + 'paths', // option - unmodified - paths to search for imports on + 'relativeUrls', // option - whether to adjust URL's to be relative + 'rootpath', // option - rootpath to append to URL's + 'strictImports', // option - + 'insecure', // option - whether to allow imports from insecure ssl hosts + 'dumpLineNumbers', // option - whether to dump line numbers + 'compress', // option - whether to compress + 'syncImport', // option - whether to import synchronously + 'chunkInput', // option - whether to chunk input. more performant but causes parse issues. + 'mime', // browser only - mime type for sheet import + 'useFileCache', // browser only - whether to use the per file session cache + // context + 'processImports', // option & context - whether to process imports. if false then imports will not be imported. + // Used by the import manager to stop multiple import visitors being created. + 'pluginManager' // Used as the plugin manager for the session +]; + +contexts.Parse = function(options) { + copyFromOriginal(options, this, parseCopyProperties); + + if (typeof this.paths === "string") { this.paths = [this.paths]; } +}; + +var evalCopyProperties = [ + 'paths', // additional include paths + 'compress', // whether to compress + 'ieCompat', // whether to enforce IE compatibility (IE8 data-uri) + 'strictMath', // whether math has to be within parenthesis + 'strictUnits', // whether units need to evaluate correctly + 'sourceMap', // whether to output a source map + 'importMultiple', // whether we are currently importing multiple copies + 'urlArgs', // whether to add args into url tokens + 'javascriptEnabled',// option - whether JavaScript is enabled. if undefined, defaults to true + 'pluginManager', // Used as the plugin manager for the session + 'importantScope' // used to bubble up !important statements + ]; + +contexts.Eval = function(options, frames) { + copyFromOriginal(options, this, evalCopyProperties); + + if (typeof this.paths === "string") { this.paths = [this.paths]; } + + this.frames = frames || []; + this.importantScope = this.importantScope || []; +}; + +contexts.Eval.prototype.inParenthesis = function () { + if (!this.parensStack) { + this.parensStack = []; + } + this.parensStack.push(true); +}; + +contexts.Eval.prototype.outOfParenthesis = function () { + this.parensStack.pop(); +}; + +contexts.Eval.prototype.isMathOn = function () { + return this.strictMath ? (this.parensStack && this.parensStack.length) : true; +}; + +contexts.Eval.prototype.isPathRelative = function (path) { + return !/^(?:[a-z-]+:|\/|#)/i.test(path); +}; + +contexts.Eval.prototype.normalizePath = function( path ) { + var + segments = path.split("/").reverse(), + segment; + + path = []; + while (segments.length !== 0 ) { + segment = segments.pop(); + switch( segment ) { + case ".": + break; + case "..": + if ((path.length === 0) || (path[path.length - 1] === "..")) { + path.push( segment ); + } else { + path.pop(); + } + break; + default: + path.push( segment ); + break; + } + } + + return path.join("/"); +}; + +//todo - do the same for the toCSS ? + +},{}],12:[function(require,module,exports){ +module.exports = { + 'aliceblue':'#f0f8ff', + 'antiquewhite':'#faebd7', + 'aqua':'#00ffff', + 'aquamarine':'#7fffd4', + 'azure':'#f0ffff', + 'beige':'#f5f5dc', + 'bisque':'#ffe4c4', + 'black':'#000000', + 'blanchedalmond':'#ffebcd', + 'blue':'#0000ff', + 'blueviolet':'#8a2be2', + 'brown':'#a52a2a', + 'burlywood':'#deb887', + 'cadetblue':'#5f9ea0', + 'chartreuse':'#7fff00', + 'chocolate':'#d2691e', + 'coral':'#ff7f50', + 'cornflowerblue':'#6495ed', + 'cornsilk':'#fff8dc', + 'crimson':'#dc143c', + 'cyan':'#00ffff', + 'darkblue':'#00008b', + 'darkcyan':'#008b8b', + 'darkgoldenrod':'#b8860b', + 'darkgray':'#a9a9a9', + 'darkgrey':'#a9a9a9', + 'darkgreen':'#006400', + 'darkkhaki':'#bdb76b', + 'darkmagenta':'#8b008b', + 'darkolivegreen':'#556b2f', + 'darkorange':'#ff8c00', + 'darkorchid':'#9932cc', + 'darkred':'#8b0000', + 'darksalmon':'#e9967a', + 'darkseagreen':'#8fbc8f', + 'darkslateblue':'#483d8b', + 'darkslategray':'#2f4f4f', + 'darkslategrey':'#2f4f4f', + 'darkturquoise':'#00ced1', + 'darkviolet':'#9400d3', + 'deeppink':'#ff1493', + 'deepskyblue':'#00bfff', + 'dimgray':'#696969', + 'dimgrey':'#696969', + 'dodgerblue':'#1e90ff', + 'firebrick':'#b22222', + 'floralwhite':'#fffaf0', + 'forestgreen':'#228b22', + 'fuchsia':'#ff00ff', + 'gainsboro':'#dcdcdc', + 'ghostwhite':'#f8f8ff', + 'gold':'#ffd700', + 'goldenrod':'#daa520', + 'gray':'#808080', + 'grey':'#808080', + 'green':'#008000', + 'greenyellow':'#adff2f', + 'honeydew':'#f0fff0', + 'hotpink':'#ff69b4', + 'indianred':'#cd5c5c', + 'indigo':'#4b0082', + 'ivory':'#fffff0', + 'khaki':'#f0e68c', + 'lavender':'#e6e6fa', + 'lavenderblush':'#fff0f5', + 'lawngreen':'#7cfc00', + 'lemonchiffon':'#fffacd', + 'lightblue':'#add8e6', + 'lightcoral':'#f08080', + 'lightcyan':'#e0ffff', + 'lightgoldenrodyellow':'#fafad2', + 'lightgray':'#d3d3d3', + 'lightgrey':'#d3d3d3', + 'lightgreen':'#90ee90', + 'lightpink':'#ffb6c1', + 'lightsalmon':'#ffa07a', + 'lightseagreen':'#20b2aa', + 'lightskyblue':'#87cefa', + 'lightslategray':'#778899', + 'lightslategrey':'#778899', + 'lightsteelblue':'#b0c4de', + 'lightyellow':'#ffffe0', + 'lime':'#00ff00', + 'limegreen':'#32cd32', + 'linen':'#faf0e6', + 'magenta':'#ff00ff', + 'maroon':'#800000', + 'mediumaquamarine':'#66cdaa', + 'mediumblue':'#0000cd', + 'mediumorchid':'#ba55d3', + 'mediumpurple':'#9370d8', + 'mediumseagreen':'#3cb371', + 'mediumslateblue':'#7b68ee', + 'mediumspringgreen':'#00fa9a', + 'mediumturquoise':'#48d1cc', + 'mediumvioletred':'#c71585', + 'midnightblue':'#191970', + 'mintcream':'#f5fffa', + 'mistyrose':'#ffe4e1', + 'moccasin':'#ffe4b5', + 'navajowhite':'#ffdead', + 'navy':'#000080', + 'oldlace':'#fdf5e6', + 'olive':'#808000', + 'olivedrab':'#6b8e23', + 'orange':'#ffa500', + 'orangered':'#ff4500', + 'orchid':'#da70d6', + 'palegoldenrod':'#eee8aa', + 'palegreen':'#98fb98', + 'paleturquoise':'#afeeee', + 'palevioletred':'#d87093', + 'papayawhip':'#ffefd5', + 'peachpuff':'#ffdab9', + 'peru':'#cd853f', + 'pink':'#ffc0cb', + 'plum':'#dda0dd', + 'powderblue':'#b0e0e6', + 'purple':'#800080', + 'rebeccapurple':'#663399', + 'red':'#ff0000', + 'rosybrown':'#bc8f8f', + 'royalblue':'#4169e1', + 'saddlebrown':'#8b4513', + 'salmon':'#fa8072', + 'sandybrown':'#f4a460', + 'seagreen':'#2e8b57', + 'seashell':'#fff5ee', + 'sienna':'#a0522d', + 'silver':'#c0c0c0', + 'skyblue':'#87ceeb', + 'slateblue':'#6a5acd', + 'slategray':'#708090', + 'slategrey':'#708090', + 'snow':'#fffafa', + 'springgreen':'#00ff7f', + 'steelblue':'#4682b4', + 'tan':'#d2b48c', + 'teal':'#008080', + 'thistle':'#d8bfd8', + 'tomato':'#ff6347', + 'turquoise':'#40e0d0', + 'violet':'#ee82ee', + 'wheat':'#f5deb3', + 'white':'#ffffff', + 'whitesmoke':'#f5f5f5', + 'yellow':'#ffff00', + 'yellowgreen':'#9acd32' +}; +},{}],13:[function(require,module,exports){ +module.exports = { + colors: require("./colors"), + unitConversions: require("./unit-conversions") +}; + +},{"./colors":12,"./unit-conversions":14}],14:[function(require,module,exports){ +module.exports = { + length: { + 'm': 1, + 'cm': 0.01, + 'mm': 0.001, + 'in': 0.0254, + 'px': 0.0254 / 96, + 'pt': 0.0254 / 72, + 'pc': 0.0254 / 72 * 12 + }, + duration: { + 's': 1, + 'ms': 0.001 + }, + angle: { + 'rad': 1 / (2 * Math.PI), + 'deg': 1 / 360, + 'grad': 1 / 400, + 'turn': 1 + } +}; +},{}],15:[function(require,module,exports){ +var abstractFileManager = function() { +}; + +abstractFileManager.prototype.getPath = function (filename) { + var j = filename.lastIndexOf('?'); + if (j > 0) { + filename = filename.slice(0, j); + } + j = filename.lastIndexOf('/'); + if (j < 0) { + j = filename.lastIndexOf('\\'); + } + if (j < 0) { + return ""; + } + return filename.slice(0, j + 1); +}; + +abstractFileManager.prototype.tryAppendExtension = function(path, ext) { + return /(\.[a-z]*$)|([\?;].*)$/.test(path) ? path : path + ext; +}; + +abstractFileManager.prototype.tryAppendLessExtension = function(path) { + return this.tryAppendExtension(path, '.less'); +}; + +abstractFileManager.prototype.supportsSync = function() { + return false; +}; + +abstractFileManager.prototype.alwaysMakePathsAbsolute = function() { + return false; +}; + +abstractFileManager.prototype.isPathAbsolute = function(filename) { + return (/^(?:[a-z-]+:|\/|\\|#)/i).test(filename); +}; + +abstractFileManager.prototype.join = function(basePath, laterPath) { + if (!basePath) { + return laterPath; + } + return basePath + laterPath; +}; +abstractFileManager.prototype.pathDiff = function pathDiff(url, baseUrl) { + // diff between two paths to create a relative path + + var urlParts = this.extractUrlParts(url), + baseUrlParts = this.extractUrlParts(baseUrl), + i, max, urlDirectories, baseUrlDirectories, diff = ""; + if (urlParts.hostPart !== baseUrlParts.hostPart) { + return ""; + } + max = Math.max(baseUrlParts.directories.length, urlParts.directories.length); + for (i = 0; i < max; i++) { + if (baseUrlParts.directories[i] !== urlParts.directories[i]) { break; } + } + baseUrlDirectories = baseUrlParts.directories.slice(i); + urlDirectories = urlParts.directories.slice(i); + for (i = 0; i < baseUrlDirectories.length - 1; i++) { + diff += "../"; + } + for (i = 0; i < urlDirectories.length - 1; i++) { + diff += urlDirectories[i] + "/"; + } + return diff; +}; +// helper function, not part of API +abstractFileManager.prototype.extractUrlParts = function extractUrlParts(url, baseUrl) { + // urlParts[1] = protocol://hostname/ OR / + // urlParts[2] = / if path relative to host base + // urlParts[3] = directories + // urlParts[4] = filename + // urlParts[5] = parameters + + var urlPartsRegex = /^((?:[a-z-]+:)?\/{2}(?:[^\/\?#]*\/)|([\/\\]))?((?:[^\/\\\?#]*[\/\\])*)([^\/\\\?#]*)([#\?].*)?$/i, + urlParts = url.match(urlPartsRegex), + returner = {}, directories = [], i, baseUrlParts; + + if (!urlParts) { + throw new Error("Could not parse sheet href - '" + url + "'"); + } + + // Stylesheets in IE don't always return the full path + if (baseUrl && (!urlParts[1] || urlParts[2])) { + baseUrlParts = baseUrl.match(urlPartsRegex); + if (!baseUrlParts) { + throw new Error("Could not parse page url - '" + baseUrl + "'"); + } + urlParts[1] = urlParts[1] || baseUrlParts[1] || ""; + if (!urlParts[2]) { + urlParts[3] = baseUrlParts[3] + urlParts[3]; + } + } + + if (urlParts[3]) { + directories = urlParts[3].replace(/\\/g, "/").split("/"); + + // extract out . before .. so .. doesn't absorb a non-directory + for (i = 0; i < directories.length; i++) { + if (directories[i] === ".") { + directories.splice(i, 1); + i -= 1; + } + } + + for (i = 0; i < directories.length; i++) { + if (directories[i] === ".." && i > 0) { + directories.splice(i - 1, 2); + i -= 2; + } + } + } + + returner.hostPart = urlParts[1]; + returner.directories = directories; + returner.path = (urlParts[1] || "") + directories.join("/"); + returner.fileUrl = returner.path + (urlParts[4] || ""); + returner.url = returner.fileUrl + (urlParts[5] || ""); + return returner; +}; + +module.exports = abstractFileManager; + +},{}],16:[function(require,module,exports){ +var logger = require("../logger"); +var environment = function(externalEnvironment, fileManagers) { + this.fileManagers = fileManagers || []; + externalEnvironment = externalEnvironment || {}; + + var optionalFunctions = ["encodeBase64", "mimeLookup", "charsetLookup", "getSourceMapGenerator"], + requiredFunctions = [], + functions = requiredFunctions.concat(optionalFunctions); + + for (var i = 0; i < functions.length; i++) { + var propName = functions[i], + environmentFunc = externalEnvironment[propName]; + if (environmentFunc) { + this[propName] = environmentFunc.bind(externalEnvironment); + } else if (i < requiredFunctions.length) { + this.warn("missing required function in environment - " + propName); + } + } +}; + +environment.prototype.getFileManager = function (filename, currentDirectory, options, environment, isSync) { + + if (!filename) { + logger.warn("getFileManager called with no filename.. Please report this issue. continuing."); + } + if (currentDirectory == null) { + logger.warn("getFileManager called with null directory.. Please report this issue. continuing."); + } + + var fileManagers = this.fileManagers; + if (options.pluginManager) { + fileManagers = [].concat(fileManagers).concat(options.pluginManager.getFileManagers()); + } + for (var i = fileManagers.length - 1; i >= 0 ; i--) { + var fileManager = fileManagers[i]; + if (fileManager[isSync ? "supportsSync" : "supports"](filename, currentDirectory, options, environment)) { + return fileManager; + } + } + return null; +}; + +environment.prototype.addFileManager = function (fileManager) { + this.fileManagers.push(fileManager); +}; + +environment.prototype.clearFileManagers = function () { + this.fileManagers = []; +}; + +module.exports = environment; + +},{"../logger":33}],17:[function(require,module,exports){ +var Color = require("../tree/color"), + functionRegistry = require("./function-registry"); + +// Color Blending +// ref: http://www.w3.org/TR/compositing-1 + +function colorBlend(mode, color1, color2) { + var ab = color1.alpha, cb, // backdrop + as = color2.alpha, cs, // source + ar, cr, r = []; // result + + ar = as + ab * (1 - as); + for (var i = 0; i < 3; i++) { + cb = color1.rgb[i] / 255; + cs = color2.rgb[i] / 255; + cr = mode(cb, cs); + if (ar) { + cr = (as * cs + ab * (cb - + as * (cb + cs - cr))) / ar; + } + r[i] = cr * 255; + } + + return new Color(r, ar); +} + +var colorBlendModeFunctions = { + multiply: function(cb, cs) { + return cb * cs; + }, + screen: function(cb, cs) { + return cb + cs - cb * cs; + }, + overlay: function(cb, cs) { + cb *= 2; + return (cb <= 1) ? + colorBlendModeFunctions.multiply(cb, cs) : + colorBlendModeFunctions.screen(cb - 1, cs); + }, + softlight: function(cb, cs) { + var d = 1, e = cb; + if (cs > 0.5) { + e = 1; + d = (cb > 0.25) ? Math.sqrt(cb) + : ((16 * cb - 12) * cb + 4) * cb; + } + return cb - (1 - 2 * cs) * e * (d - cb); + }, + hardlight: function(cb, cs) { + return colorBlendModeFunctions.overlay(cs, cb); + }, + difference: function(cb, cs) { + return Math.abs(cb - cs); + }, + exclusion: function(cb, cs) { + return cb + cs - 2 * cb * cs; + }, + + // non-w3c functions: + average: function(cb, cs) { + return (cb + cs) / 2; + }, + negation: function(cb, cs) { + return 1 - Math.abs(cb + cs - 1); + } +}; + +for (var f in colorBlendModeFunctions) { + if (colorBlendModeFunctions.hasOwnProperty(f)) { + colorBlend[f] = colorBlend.bind(null, colorBlendModeFunctions[f]); + } +} + +functionRegistry.addMultiple(colorBlend); + +},{"../tree/color":50,"./function-registry":22}],18:[function(require,module,exports){ +var Dimension = require("../tree/dimension"), + Color = require("../tree/color"), + Quoted = require("../tree/quoted"), + Anonymous = require("../tree/anonymous"), + functionRegistry = require("./function-registry"), + colorFunctions; + +function clamp(val) { + return Math.min(1, Math.max(0, val)); +} +function hsla(color) { + return colorFunctions.hsla(color.h, color.s, color.l, color.a); +} +function number(n) { + if (n instanceof Dimension) { + return parseFloat(n.unit.is('%') ? n.value / 100 : n.value); + } else if (typeof n === 'number') { + return n; + } else { + throw { + type: "Argument", + message: "color functions take numbers as parameters" + }; + } +} +function scaled(n, size) { + if (n instanceof Dimension && n.unit.is('%')) { + return parseFloat(n.value * size / 100); + } else { + return number(n); + } +} +colorFunctions = { + rgb: function (r, g, b) { + return colorFunctions.rgba(r, g, b, 1.0); + }, + rgba: function (r, g, b, a) { + var rgb = [r, g, b].map(function (c) { return scaled(c, 255); }); + a = number(a); + return new Color(rgb, a); + }, + hsl: function (h, s, l) { + return colorFunctions.hsla(h, s, l, 1.0); + }, + hsla: function (h, s, l, a) { + + var m1, m2; + + function hue(h) { + h = h < 0 ? h + 1 : (h > 1 ? h - 1 : h); + if (h * 6 < 1) { + return m1 + (m2 - m1) * h * 6; + } + else if (h * 2 < 1) { + return m2; + } + else if (h * 3 < 2) { + return m1 + (m2 - m1) * (2 / 3 - h) * 6; + } + else { + return m1; + } + } + + h = (number(h) % 360) / 360; + s = clamp(number(s)); l = clamp(number(l)); a = clamp(number(a)); + + m2 = l <= 0.5 ? l * (s + 1) : l + s - l * s; + m1 = l * 2 - m2; + + return colorFunctions.rgba(hue(h + 1 / 3) * 255, + hue(h) * 255, + hue(h - 1 / 3) * 255, + a); + }, + + hcg: function(h, c, gr) { + return colorFunctions.hcga(h, c, gr, 1.0); + }, + + hcga: function(h, c, gr, a) { + h = (number(h) % 360) / 360 * 6; + c = number(c); gr = number(gr); + + if (c <= 0) { + return [gr * 255, gr * 255, gr * 255]; + } + + var i = Math.floor(h), + f = h - i, + q = c * (1 - f), t = c * f, + mod = i % 6, + r = [c, q, 0, 0, t, c][mod], + g = [t, c, c, q, 0, 0][mod], + b = [0, 0, t, c, c, q][mod], + m = (1 - c) * gr; + + return colorFunctions.rgba( + (r + m) * 255, + (g + m) * 255, + (b + m) * 255, + a + ); + }, + + hsv: function(h, s, v) { + return colorFunctions.hsva(h, s, v, 1.0); + }, + + hsva: function(h, s, v, a) { + h = ((number(h) % 360) / 360) * 360; + s = number(s); v = number(v); a = number(a); + + var i, f; + i = Math.floor((h / 60) % 6); + f = (h / 60) - i; + + var vs = [v, + v * (1 - s), + v * (1 - f * s), + v * (1 - (1 - f) * s)]; + var perm = [[0, 3, 1], + [2, 0, 1], + [1, 0, 3], + [1, 2, 0], + [3, 1, 0], + [0, 1, 2]]; + + return colorFunctions.rgba(vs[perm[i][0]] * 255, + vs[perm[i][1]] * 255, + vs[perm[i][2]] * 255, + a); + }, + + hue: function (color) { + return new Dimension(color.toHSL().h); + }, + saturation: function (color) { + return new Dimension(color.toHSL().s * 100, '%'); + }, + lightness: function (color) { + return new Dimension(color.toHSL().l * 100, '%'); + }, + hsvhue: function(color) { + return new Dimension(color.toHSV().h); + }, + hsvsaturation: function (color) { + return new Dimension(color.toHSV().s * 100, '%'); + }, + hsvvalue: function (color) { + return new Dimension(color.toHSV().v * 100, '%'); + }, + red: function (color) { + return new Dimension(color.rgb[0]); + }, + green: function (color) { + return new Dimension(color.rgb[1]); + }, + blue: function (color) { + return new Dimension(color.rgb[2]); + }, + alpha: function (color) { + return new Dimension(color.toHSL().a); + }, + luma: function (color) { + return new Dimension(color.luma() * color.alpha * 100, '%'); + }, + luminance: function (color) { + var luminance = + (0.2126 * color.rgb[0] / 255) + + (0.7152 * color.rgb[1] / 255) + + (0.0722 * color.rgb[2] / 255); + + return new Dimension(luminance * color.alpha * 100, '%'); + }, + saturate: function (color, amount, method) { + // filter: saturate(3.2); + // should be kept as is, so check for color + if (!color.rgb) { + return null; + } + var hsl = color.toHSL(); + + if (typeof method !== "undefined" && method.value === "relative") { + hsl.s += hsl.s * amount.value / 100; + } + else { + hsl.s += amount.value / 100; + } + hsl.s = clamp(hsl.s); + return hsla(hsl); + }, + desaturate: function (color, amount, method) { + var hsl = color.toHSL(); + + if (typeof method !== "undefined" && method.value === "relative") { + hsl.s -= hsl.s * amount.value / 100; + } + else { + hsl.s -= amount.value / 100; + } + hsl.s = clamp(hsl.s); + return hsla(hsl); + }, + lighten: function (color, amount, method) { + var hsl = color.toHSL(); + + if (typeof method !== "undefined" && method.value === "relative") { + hsl.l += hsl.l * amount.value / 100; + } + else { + hsl.l += amount.value / 100; + } + hsl.l = clamp(hsl.l); + return hsla(hsl); + }, + darken: function (color, amount, method) { + var hsl = color.toHSL(); + + if (typeof method !== "undefined" && method.value === "relative") { + hsl.l -= hsl.l * amount.value / 100; + } + else { + hsl.l -= amount.value / 100; + } + hsl.l = clamp(hsl.l); + return hsla(hsl); + }, + fadein: function (color, amount, method) { + var hsl = color.toHSL(); + + if (typeof method !== "undefined" && method.value === "relative") { + hsl.a += hsl.a * amount.value / 100; + } + else { + hsl.a += amount.value / 100; + } + hsl.a = clamp(hsl.a); + return hsla(hsl); + }, + fadeout: function (color, amount, method) { + var hsl = color.toHSL(); + + if (typeof method !== "undefined" && method.value === "relative") { + hsl.a -= hsl.a * amount.value / 100; + } + else { + hsl.a -= amount.value / 100; + } + hsl.a = clamp(hsl.a); + return hsla(hsl); + }, + fade: function (color, amount) { + var hsl = color.toHSL(); + + hsl.a = amount.value / 100; + hsl.a = clamp(hsl.a); + return hsla(hsl); + }, + spin: function (color, amount) { + var hsl = color.toHSL(); + var hue = (hsl.h + amount.value) % 360; + + hsl.h = hue < 0 ? 360 + hue : hue; + + return hsla(hsl); + }, + // + // Copyright (c) 2006-2009 Hampton Catlin, Natalie Weizenbaum, and Chris Eppstein + // http://sass-lang.com + // + mix: function (color1, color2, weight) { + if (!color1.toHSL || !color2.toHSL) { + console.log(color2.type); + console.dir(color2); + } + if (!weight) { + weight = new Dimension(50); + } + var p = weight.value / 100.0; + var w = p * 2 - 1; + var a = color1.toHSL().a - color2.toHSL().a; + + var w1 = (((w * a == -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + var w2 = 1 - w1; + + var rgb = [color1.rgb[0] * w1 + color2.rgb[0] * w2, + color1.rgb[1] * w1 + color2.rgb[1] * w2, + color1.rgb[2] * w1 + color2.rgb[2] * w2]; + + var alpha = color1.alpha * p + color2.alpha * (1 - p); + + return new Color(rgb, alpha); + }, + greyscale: function (color) { + return colorFunctions.desaturate(color, new Dimension(100)); + }, + contrast: function (color, color1, color2, threshold) { + // Return which of `color1` and `color2` has the greatest contrast with `color` + // according to the standard WCAG contrast ratio calculation. + // http://www.w3.org/TR/WCAG20/#contrast-ratiodef + // The threshold param is no longer used, in line with SASS. + // filter: contrast(3.2); + // should be kept as is, so check for color + if (!color.rgb) { + return null; + } + if (typeof color1 === 'undefined') { + color1 = colorFunctions.rgba(0, 0, 0, 1.0); + } + if (typeof color2 === 'undefined') { + color2 = colorFunctions.rgba(255, 255, 255, 1.0); + } + var contrast1, contrast2; + var luma = color.luma(); + var luma1 = color1.luma(); + var luma2 = color2.luma(); + // Calculate contrast ratios for each color + if (luma > luma1) { + contrast1 = (luma + 0.05) / (luma1 + 0.05); + } else { + contrast1 = (luma1 + 0.05) / (luma + 0.05); + } + if (luma > luma2) { + contrast2 = (luma + 0.05) / (luma2 + 0.05); + } else { + contrast2 = (luma2 + 0.05) / (luma + 0.05); + } + if (contrast1 > contrast2) { + return color1; + } else { + return color2; + } + }, + argb: function (color) { + return new Anonymous(color.toARGB()); + }, + color: function(c) { + if ((c instanceof Quoted) && + (/^#([a-f0-9]{6}|[a-f0-9]{3})$/i.test(c.value))) { + return new Color(c.value.slice(1)); + } + if ((c instanceof Color) || (c = Color.fromKeyword(c.value))) { + c.value = undefined; + return c; + } + throw { + type: "Argument", + message: "argument must be a color keyword or 3/6 digit hex e.g. #FFF" + }; + }, + tint: function(color, amount) { + return colorFunctions.mix(colorFunctions.rgb(255, 255, 255), color, amount); + }, + shade: function(color, amount) { + return colorFunctions.mix(colorFunctions.rgb(0, 0, 0), color, amount); + } +}; +functionRegistry.addMultiple(colorFunctions); + +},{"../tree/anonymous":46,"../tree/color":50,"../tree/dimension":56,"../tree/quoted":73,"./function-registry":22}],19:[function(require,module,exports){ +module.exports = function(environment) { + var Quoted = require("../tree/quoted"), + URL = require("../tree/url"), + functionRegistry = require("./function-registry"), + fallback = function(functionThis, node) { + return new URL(node, functionThis.index, functionThis.currentFileInfo).eval(functionThis.context); + }, + logger = require('../logger'); + + functionRegistry.add("data-uri", function(mimetypeNode, filePathNode) { + + if (!filePathNode) { + filePathNode = mimetypeNode; + mimetypeNode = null; + } + + var mimetype = mimetypeNode && mimetypeNode.value; + var filePath = filePathNode.value; + var currentFileInfo = this.currentFileInfo; + var currentDirectory = currentFileInfo.relativeUrls ? + currentFileInfo.currentDirectory : currentFileInfo.entryPath; + + var fragmentStart = filePath.indexOf('#'); + var fragment = ''; + if (fragmentStart !== -1) { + fragment = filePath.slice(fragmentStart); + filePath = filePath.slice(0, fragmentStart); + } + + var fileManager = environment.getFileManager(filePath, currentDirectory, this.context, environment, true); + + if (!fileManager) { + return fallback(this, filePathNode); + } + + var useBase64 = false; + + // detect the mimetype if not given + if (!mimetypeNode) { + + mimetype = environment.mimeLookup(filePath); + + if (mimetype === "image/svg+xml") { + useBase64 = false; + } else { + // use base 64 unless it's an ASCII or UTF-8 format + var charset = environment.charsetLookup(mimetype); + useBase64 = ['US-ASCII', 'UTF-8'].indexOf(charset) < 0; + } + if (useBase64) { mimetype += ';base64'; } + } + else { + useBase64 = /;base64$/.test(mimetype); + } + + var fileSync = fileManager.loadFileSync(filePath, currentDirectory, this.context, environment); + if (!fileSync.contents) { + logger.warn("Skipped data-uri embedding of " + filePath + " because file not found"); + return fallback(this, filePathNode || mimetypeNode); + } + var buf = fileSync.contents; + if (useBase64 && !environment.encodeBase64) { + return fallback(this, filePathNode); + } + + buf = useBase64 ? environment.encodeBase64(buf) : encodeURIComponent(buf); + + var uri = "data:" + mimetype + ',' + buf + fragment; + + // IE8 cannot handle a data-uri larger than 32,768 characters. If this is exceeded + // and the --ieCompat flag is enabled, return a normal url() instead. + var DATA_URI_MAX = 32768; + if (uri.length >= DATA_URI_MAX) { + + if (this.context.ieCompat !== false) { + logger.warn("Skipped data-uri embedding of " + filePath + " because its size (" + uri.length + + " characters) exceeds IE8-safe " + DATA_URI_MAX + " characters!"); + + return fallback(this, filePathNode || mimetypeNode); + } + } + + return new URL(new Quoted('"' + uri + '"', uri, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo); + }); +}; + +},{"../logger":33,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],20:[function(require,module,exports){ +var Keyword = require("../tree/keyword"), + functionRegistry = require("./function-registry"); + +var defaultFunc = { + eval: function () { + var v = this.value_, e = this.error_; + if (e) { + throw e; + } + if (v != null) { + return v ? Keyword.True : Keyword.False; + } + }, + value: function (v) { + this.value_ = v; + }, + error: function (e) { + this.error_ = e; + }, + reset: function () { + this.value_ = this.error_ = null; + } +}; + +functionRegistry.add("default", defaultFunc.eval.bind(defaultFunc)); + +module.exports = defaultFunc; + +},{"../tree/keyword":65,"./function-registry":22}],21:[function(require,module,exports){ +var Expression = require("../tree/expression"); + +var functionCaller = function(name, context, index, currentFileInfo) { + this.name = name.toLowerCase(); + this.index = index; + this.context = context; + this.currentFileInfo = currentFileInfo; + + this.func = context.frames[0].functionRegistry.get(this.name); +}; +functionCaller.prototype.isValid = function() { + return Boolean(this.func); +}; +functionCaller.prototype.call = function(args) { + + // This code is terrible and should be replaced as per this issue... + // https://github.com/less/less.js/issues/2477 + if (Array.isArray(args)) { + args = args.filter(function (item) { + if (item.type === "Comment") { + return false; + } + return true; + }) + .map(function(item) { + if (item.type === "Expression") { + var subNodes = item.value.filter(function (item) { + if (item.type === "Comment") { + return false; + } + return true; + }); + if (subNodes.length === 1) { + return subNodes[0]; + } else { + return new Expression(subNodes); + } + } + return item; + }); + } + + return this.func.apply(this, args); +}; + +module.exports = functionCaller; + +},{"../tree/expression":59}],22:[function(require,module,exports){ +function makeRegistry( base ) { + return { + _data: {}, + add: function(name, func) { + // precautionary case conversion, as later querying of + // the registry by function-caller uses lower case as well. + name = name.toLowerCase(); + + if (this._data.hasOwnProperty(name)) { + //TODO warn + } + this._data[name] = func; + }, + addMultiple: function(functions) { + Object.keys(functions).forEach( + function(name) { + this.add(name, functions[name]); + }.bind(this)); + }, + get: function(name) { + return this._data[name] || ( base && base.get( name )); + }, + inherit : function() { + return makeRegistry( this ); + } + }; +} + +module.exports = makeRegistry( null ); +},{}],23:[function(require,module,exports){ +module.exports = function(environment) { + var functions = { + functionRegistry: require("./function-registry"), + functionCaller: require("./function-caller") + }; + + //register functions + require("./default"); + require("./color"); + require("./color-blending"); + require("./data-uri")(environment); + require("./math"); + require("./number"); + require("./string"); + require("./svg")(environment); + require("./types"); + + return functions; +}; + +},{"./color":18,"./color-blending":17,"./data-uri":19,"./default":20,"./function-caller":21,"./function-registry":22,"./math":25,"./number":26,"./string":27,"./svg":28,"./types":29}],24:[function(require,module,exports){ +var Dimension = require("../tree/dimension"); + +var MathHelper = function() { +}; +MathHelper._math = function (fn, unit, n) { + if (!(n instanceof Dimension)) { + throw { type: "Argument", message: "argument must be a number" }; + } + if (unit == null) { + unit = n.unit; + } else { + n = n.unify(); + } + return new Dimension(fn(parseFloat(n.value)), unit); +}; +module.exports = MathHelper; +},{"../tree/dimension":56}],25:[function(require,module,exports){ +var functionRegistry = require("./function-registry"), + mathHelper = require("./math-helper.js"); + +var mathFunctions = { + // name, unit + ceil: null, + floor: null, + sqrt: null, + abs: null, + tan: "", + sin: "", + cos: "", + atan: "rad", + asin: "rad", + acos: "rad" +}; + +for (var f in mathFunctions) { + if (mathFunctions.hasOwnProperty(f)) { + mathFunctions[f] = mathHelper._math.bind(null, Math[f], mathFunctions[f]); + } +} + +mathFunctions.round = function (n, f) { + var fraction = typeof f === "undefined" ? 0 : f.value; + return mathHelper._math(function(num) { return num.toFixed(fraction); }, null, n); +}; + +functionRegistry.addMultiple(mathFunctions); + +},{"./function-registry":22,"./math-helper.js":24}],26:[function(require,module,exports){ +var Dimension = require("../tree/dimension"), + Anonymous = require("../tree/anonymous"), + functionRegistry = require("./function-registry"), + mathHelper = require("./math-helper.js"); + +var minMax = function (isMin, args) { + args = Array.prototype.slice.call(args); + switch(args.length) { + case 0: throw { type: "Argument", message: "one or more arguments required" }; + } + var i, j, current, currentUnified, referenceUnified, unit, unitStatic, unitClone, + order = [], // elems only contains original argument values. + values = {}; // key is the unit.toString() for unified Dimension values, + // value is the index into the order array. + for (i = 0; i < args.length; i++) { + current = args[i]; + if (!(current instanceof Dimension)) { + if (Array.isArray(args[i].value)) { + Array.prototype.push.apply(args, Array.prototype.slice.call(args[i].value)); + } + continue; + } + currentUnified = current.unit.toString() === "" && unitClone !== undefined ? new Dimension(current.value, unitClone).unify() : current.unify(); + unit = currentUnified.unit.toString() === "" && unitStatic !== undefined ? unitStatic : currentUnified.unit.toString(); + unitStatic = unit !== "" && unitStatic === undefined || unit !== "" && order[0].unify().unit.toString() === "" ? unit : unitStatic; + unitClone = unit !== "" && unitClone === undefined ? current.unit.toString() : unitClone; + j = values[""] !== undefined && unit !== "" && unit === unitStatic ? values[""] : values[unit]; + if (j === undefined) { + if (unitStatic !== undefined && unit !== unitStatic) { + throw{ type: "Argument", message: "incompatible types" }; + } + values[unit] = order.length; + order.push(current); + continue; + } + referenceUnified = order[j].unit.toString() === "" && unitClone !== undefined ? new Dimension(order[j].value, unitClone).unify() : order[j].unify(); + if ( isMin && currentUnified.value < referenceUnified.value || + !isMin && currentUnified.value > referenceUnified.value) { + order[j] = current; + } + } + if (order.length == 1) { + return order[0]; + } + args = order.map(function (a) { return a.toCSS(this.context); }).join(this.context.compress ? "," : ", "); + return new Anonymous((isMin ? "min" : "max") + "(" + args + ")"); +}; +functionRegistry.addMultiple({ + min: function () { + return minMax(true, arguments); + }, + max: function () { + return minMax(false, arguments); + }, + convert: function (val, unit) { + return val.convertTo(unit.value); + }, + pi: function () { + return new Dimension(Math.PI); + }, + mod: function(a, b) { + return new Dimension(a.value % b.value, a.unit); + }, + pow: function(x, y) { + if (typeof x === "number" && typeof y === "number") { + x = new Dimension(x); + y = new Dimension(y); + } else if (!(x instanceof Dimension) || !(y instanceof Dimension)) { + throw { type: "Argument", message: "arguments must be numbers" }; + } + + return new Dimension(Math.pow(x.value, y.value), x.unit); + }, + percentage: function (n) { + var result = mathHelper._math(function(num) { + return num * 100; + }, '%', n); + + return result; + } +}); + +},{"../tree/anonymous":46,"../tree/dimension":56,"./function-registry":22,"./math-helper.js":24}],27:[function(require,module,exports){ +var Quoted = require("../tree/quoted"), + Anonymous = require("../tree/anonymous"), + JavaScript = require("../tree/javascript"), + functionRegistry = require("./function-registry"); + +functionRegistry.addMultiple({ + e: function (str) { + return new Anonymous(str instanceof JavaScript ? str.evaluated : str.value); + }, + escape: function (str) { + return new Anonymous( + encodeURI(str.value).replace(/=/g, "%3D").replace(/:/g, "%3A").replace(/#/g, "%23").replace(/;/g, "%3B") + .replace(/\(/g, "%28").replace(/\)/g, "%29")); + }, + replace: function (string, pattern, replacement, flags) { + var result = string.value; + replacement = (replacement.type === "Quoted") ? + replacement.value : replacement.toCSS(); + result = result.replace(new RegExp(pattern.value, flags ? flags.value : ''), replacement); + return new Quoted(string.quote || '', result, string.escaped); + }, + '%': function (string /* arg, arg, ...*/) { + var args = Array.prototype.slice.call(arguments, 1), + result = string.value; + + for (var i = 0; i < args.length; i++) { + /*jshint loopfunc:true */ + result = result.replace(/%[sda]/i, function(token) { + var value = ((args[i].type === "Quoted") && + token.match(/s/i)) ? args[i].value : args[i].toCSS(); + return token.match(/[A-Z]$/) ? encodeURIComponent(value) : value; + }); + } + result = result.replace(/%%/g, '%'); + return new Quoted(string.quote || '', result, string.escaped); + } +}); + +},{"../tree/anonymous":46,"../tree/javascript":63,"../tree/quoted":73,"./function-registry":22}],28:[function(require,module,exports){ +module.exports = function(environment) { + var Dimension = require("../tree/dimension"), + Color = require("../tree/color"), + Expression = require("../tree/expression"), + Quoted = require("../tree/quoted"), + URL = require("../tree/url"), + functionRegistry = require("./function-registry"); + + functionRegistry.add("svg-gradient", function(direction) { + + var stops, + gradientDirectionSvg, + gradientType = "linear", + rectangleDimension = 'x="0" y="0" width="1" height="1"', + renderEnv = {compress: false}, + returner, + directionValue = direction.toCSS(renderEnv), + i, color, position, positionValue, alpha; + + function throwArgumentDescriptor() { + throw { type: "Argument", + message: "svg-gradient expects direction, start_color [start_position], [color position,]...," + + " end_color [end_position] or direction, color list" }; + } + + if (arguments.length == 2) { + if (arguments[1].value.length < 2) { + throwArgumentDescriptor(); + } + stops = arguments[1].value; + } else if (arguments.length < 3) { + throwArgumentDescriptor(); + } else { + stops = Array.prototype.slice.call(arguments, 1); + } + + switch (directionValue) { + case "to bottom": + gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"'; + break; + case "to right": + gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"'; + break; + case "to bottom right": + gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"'; + break; + case "to top right": + gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"'; + break; + case "ellipse": + case "ellipse at center": + gradientType = "radial"; + gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"'; + rectangleDimension = 'x="-50" y="-50" width="101" height="101"'; + break; + default: + throw { type: "Argument", message: "svg-gradient direction must be 'to bottom', 'to right'," + + " 'to bottom right', 'to top right' or 'ellipse at center'" }; + } + returner = '' + + '' + + '<' + gradientType + 'Gradient id="gradient" gradientUnits="userSpaceOnUse" ' + gradientDirectionSvg + '>'; + + for (i = 0; i < stops.length; i+= 1) { + if (stops[i] instanceof Expression) { + color = stops[i].value[0]; + position = stops[i].value[1]; + } else { + color = stops[i]; + position = undefined; + } + + if (!(color instanceof Color) || (!((i === 0 || i + 1 === stops.length) && position === undefined) && !(position instanceof Dimension))) { + throwArgumentDescriptor(); + } + positionValue = position ? position.toCSS(renderEnv) : i === 0 ? "0%" : "100%"; + alpha = color.alpha; + returner += ''; + } + returner += '' + + ''; + + returner = encodeURIComponent(returner); + + returner = "data:image/svg+xml," + returner; + return new URL(new Quoted("'" + returner + "'", returner, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo); + }); +}; + +},{"../tree/color":50,"../tree/dimension":56,"../tree/expression":59,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],29:[function(require,module,exports){ +var Keyword = require("../tree/keyword"), + DetachedRuleset = require("../tree/detached-ruleset"), + Dimension = require("../tree/dimension"), + Color = require("../tree/color"), + Quoted = require("../tree/quoted"), + Anonymous = require("../tree/anonymous"), + URL = require("../tree/url"), + Operation = require("../tree/operation"), + functionRegistry = require("./function-registry"); + +var isa = function (n, Type) { + return (n instanceof Type) ? Keyword.True : Keyword.False; + }, + isunit = function (n, unit) { + if (unit === undefined) { + throw { type: "Argument", message: "missing the required second argument to isunit." }; + } + unit = typeof unit.value === "string" ? unit.value : unit; + if (typeof unit !== "string") { + throw { type: "Argument", message: "Second argument to isunit should be a unit or a string." }; + } + return (n instanceof Dimension) && n.unit.is(unit) ? Keyword.True : Keyword.False; + }, + getItemsFromNode = function(node) { + // handle non-array values as an array of length 1 + // return 'undefined' if index is invalid + var items = Array.isArray(node.value) ? + node.value : Array(node); + + return items; + }; +functionRegistry.addMultiple({ + isruleset: function (n) { + return isa(n, DetachedRuleset); + }, + iscolor: function (n) { + return isa(n, Color); + }, + isnumber: function (n) { + return isa(n, Dimension); + }, + isstring: function (n) { + return isa(n, Quoted); + }, + iskeyword: function (n) { + return isa(n, Keyword); + }, + isurl: function (n) { + return isa(n, URL); + }, + ispixel: function (n) { + return isunit(n, 'px'); + }, + ispercentage: function (n) { + return isunit(n, '%'); + }, + isem: function (n) { + return isunit(n, 'em'); + }, + isunit: isunit, + unit: function (val, unit) { + if (!(val instanceof Dimension)) { + throw { type: "Argument", + message: "the first argument to unit must be a number" + + (val instanceof Operation ? ". Have you forgotten parenthesis?" : "") }; + } + if (unit) { + if (unit instanceof Keyword) { + unit = unit.value; + } else { + unit = unit.toCSS(); + } + } else { + unit = ""; + } + return new Dimension(val.value, unit); + }, + "get-unit": function (n) { + return new Anonymous(n.unit); + }, + extract: function(values, index) { + index = index.value - 1; // (1-based index) + + return getItemsFromNode(values)[index]; + }, + length: function(values) { + return new Dimension(getItemsFromNode(values).length); + } +}); + +},{"../tree/anonymous":46,"../tree/color":50,"../tree/detached-ruleset":55,"../tree/dimension":56,"../tree/keyword":65,"../tree/operation":71,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],30:[function(require,module,exports){ +var contexts = require("./contexts"), + Parser = require('./parser/parser'), + FunctionImporter = require('./plugins/function-importer'); + +module.exports = function(environment) { + + // FileInfo = { + // 'relativeUrls' - option - whether to adjust URL's to be relative + // 'filename' - full resolved filename of current file + // 'rootpath' - path to append to normal URLs for this node + // 'currentDirectory' - path to the current file, absolute + // 'rootFilename' - filename of the base file + // 'entryPath' - absolute path to the entry file + // 'reference' - whether the file should not be output and only output parts that are referenced + + var ImportManager = function(context, rootFileInfo) { + this.rootFilename = rootFileInfo.filename; + this.paths = context.paths || []; // Search paths, when importing + this.contents = {}; // map - filename to contents of all the files + this.contentsIgnoredChars = {}; // map - filename to lines at the beginning of each file to ignore + this.mime = context.mime; + this.error = null; + this.context = context; + // Deprecated? Unused outside of here, could be useful. + this.queue = []; // Files which haven't been imported yet + this.files = {}; // Holds the imported parse trees. + }; + /** + * Add an import to be imported + * @param path - the raw path + * @param tryAppendLessExtension - whether to try appending the less extension (if the path has no extension) + * @param currentFileInfo - the current file info (used for instance to work out relative paths) + * @param importOptions - import options + * @param callback - callback for when it is imported + */ + ImportManager.prototype.push = function (path, tryAppendLessExtension, currentFileInfo, importOptions, callback) { + var importManager = this; + this.queue.push(path); + + var fileParsedFunc = function (e, root, fullPath) { + importManager.queue.splice(importManager.queue.indexOf(path), 1); // Remove the path from the queue + + var importedEqualsRoot = fullPath === importManager.rootFilename; + if (importOptions.optional && e) { + callback(null, {rules:[]}, false, null); + } + else { + importManager.files[fullPath] = root; + if (e && !importManager.error) { importManager.error = e; } + callback(e, root, importedEqualsRoot, fullPath); + } + }; + + var newFileInfo = { + relativeUrls: this.context.relativeUrls, + entryPath: currentFileInfo.entryPath, + rootpath: currentFileInfo.rootpath, + rootFilename: currentFileInfo.rootFilename + }; + + var fileManager = environment.getFileManager(path, currentFileInfo.currentDirectory, this.context, environment); + + if (!fileManager) { + fileParsedFunc({ message: "Could not find a file-manager for " + path }); + return; + } + + if (tryAppendLessExtension) { + path = fileManager.tryAppendExtension(path, importOptions.plugin ? ".js" : ".less"); + } + + var loadFileCallback = function(loadedFile) { + var resolvedFilename = loadedFile.filename, + contents = loadedFile.contents.replace(/^\uFEFF/, ''); + + // Pass on an updated rootpath if path of imported file is relative and file + // is in a (sub|sup) directory + // + // Examples: + // - If path of imported file is 'module/nav/nav.less' and rootpath is 'less/', + // then rootpath should become 'less/module/nav/' + // - If path of imported file is '../mixins.less' and rootpath is 'less/', + // then rootpath should become 'less/../' + newFileInfo.currentDirectory = fileManager.getPath(resolvedFilename); + if (newFileInfo.relativeUrls) { + newFileInfo.rootpath = fileManager.join( + (importManager.context.rootpath || ""), + fileManager.pathDiff(newFileInfo.currentDirectory, newFileInfo.entryPath)); + + if (!fileManager.isPathAbsolute(newFileInfo.rootpath) && fileManager.alwaysMakePathsAbsolute()) { + newFileInfo.rootpath = fileManager.join(newFileInfo.entryPath, newFileInfo.rootpath); + } + } + newFileInfo.filename = resolvedFilename; + + var newEnv = new contexts.Parse(importManager.context); + + newEnv.processImports = false; + importManager.contents[resolvedFilename] = contents; + + if (currentFileInfo.reference || importOptions.reference) { + newFileInfo.reference = true; + } + + if (importOptions.plugin) { + new FunctionImporter(newEnv, newFileInfo).eval(contents, function (e, root) { + fileParsedFunc(e, root, resolvedFilename); + }); + } else if (importOptions.inline) { + fileParsedFunc(null, contents, resolvedFilename); + } else { + new Parser(newEnv, importManager, newFileInfo).parse(contents, function (e, root) { + fileParsedFunc(e, root, resolvedFilename); + }); + } + }; + + var promise = fileManager.loadFile(path, currentFileInfo.currentDirectory, this.context, environment, + function(err, loadedFile) { + if (err) { + fileParsedFunc(err); + } else { + loadFileCallback(loadedFile); + } + }); + if (promise) { + promise.then(loadFileCallback, fileParsedFunc); + } + }; + return ImportManager; +}; + +},{"./contexts":11,"./parser/parser":38,"./plugins/function-importer":40}],31:[function(require,module,exports){ +module.exports = function(environment, fileManagers) { + var SourceMapOutput, SourceMapBuilder, ParseTree, ImportManager, Environment; + + var less = { + version: [2, 7, 1], + data: require('./data'), + tree: require('./tree'), + Environment: (Environment = require("./environment/environment")), + AbstractFileManager: require("./environment/abstract-file-manager"), + environment: (environment = new Environment(environment, fileManagers)), + visitors: require('./visitors'), + Parser: require('./parser/parser'), + functions: require('./functions')(environment), + contexts: require("./contexts"), + SourceMapOutput: (SourceMapOutput = require('./source-map-output')(environment)), + SourceMapBuilder: (SourceMapBuilder = require('./source-map-builder')(SourceMapOutput, environment)), + ParseTree: (ParseTree = require('./parse-tree')(SourceMapBuilder)), + ImportManager: (ImportManager = require('./import-manager')(environment)), + render: require("./render")(environment, ParseTree, ImportManager), + parse: require("./parse")(environment, ParseTree, ImportManager), + LessError: require('./less-error'), + transformTree: require('./transform-tree'), + utils: require('./utils'), + PluginManager: require('./plugin-manager'), + logger: require('./logger') + }; + + return less; +}; + +},{"./contexts":11,"./data":13,"./environment/abstract-file-manager":15,"./environment/environment":16,"./functions":23,"./import-manager":30,"./less-error":32,"./logger":33,"./parse":35,"./parse-tree":34,"./parser/parser":38,"./plugin-manager":39,"./render":41,"./source-map-builder":42,"./source-map-output":43,"./transform-tree":44,"./tree":62,"./utils":83,"./visitors":87}],32:[function(require,module,exports){ +var utils = require("./utils"); + +var LessError = module.exports = function LessError(e, importManager, currentFilename) { + + Error.call(this); + + var filename = e.filename || currentFilename; + + if (importManager && filename) { + var input = importManager.contents[filename], + loc = utils.getLocation(e.index, input), + line = loc.line, + col = loc.column, + callLine = e.call && utils.getLocation(e.call, input).line, + lines = input.split('\n'); + + this.type = e.type || 'Syntax'; + this.filename = filename; + this.index = e.index; + this.line = typeof line === 'number' ? line + 1 : null; + this.callLine = callLine + 1; + this.callExtract = lines[callLine]; + this.column = col; + this.extract = [ + lines[line - 1], + lines[line], + lines[line + 1] + ]; + } + this.message = e.message; + this.stack = e.stack; +}; + +if (typeof Object.create === 'undefined') { + var F = function () {}; + F.prototype = Error.prototype; + LessError.prototype = new F(); +} else { + LessError.prototype = Object.create(Error.prototype); +} + +LessError.prototype.constructor = LessError; + +},{"./utils":83}],33:[function(require,module,exports){ +module.exports = { + error: function(msg) { + this._fireEvent("error", msg); + }, + warn: function(msg) { + this._fireEvent("warn", msg); + }, + info: function(msg) { + this._fireEvent("info", msg); + }, + debug: function(msg) { + this._fireEvent("debug", msg); + }, + addListener: function(listener) { + this._listeners.push(listener); + }, + removeListener: function(listener) { + for (var i = 0; i < this._listeners.length; i++) { + if (this._listeners[i] === listener) { + this._listeners.splice(i, 1); + return; + } + } + }, + _fireEvent: function(type, msg) { + for (var i = 0; i < this._listeners.length; i++) { + var logFunction = this._listeners[i][type]; + if (logFunction) { + logFunction(msg); + } + } + }, + _listeners: [] +}; + +},{}],34:[function(require,module,exports){ +var LessError = require('./less-error'), + transformTree = require("./transform-tree"), + logger = require("./logger"); + +module.exports = function(SourceMapBuilder) { + var ParseTree = function(root, imports) { + this.root = root; + this.imports = imports; + }; + + ParseTree.prototype.toCSS = function(options) { + var evaldRoot, result = {}, sourceMapBuilder; + try { + evaldRoot = transformTree(this.root, options); + } catch (e) { + throw new LessError(e, this.imports); + } + + try { + var compress = Boolean(options.compress); + if (compress) { + logger.warn("The compress option has been deprecated. We recommend you use a dedicated css minifier, for instance see less-plugin-clean-css."); + } + + var toCSSOptions = { + compress: compress, + dumpLineNumbers: options.dumpLineNumbers, + strictUnits: Boolean(options.strictUnits), + numPrecision: 8}; + + if (options.sourceMap) { + sourceMapBuilder = new SourceMapBuilder(options.sourceMap); + result.css = sourceMapBuilder.toCSS(evaldRoot, toCSSOptions, this.imports); + } else { + result.css = evaldRoot.toCSS(toCSSOptions); + } + } catch (e) { + throw new LessError(e, this.imports); + } + + if (options.pluginManager) { + var postProcessors = options.pluginManager.getPostProcessors(); + for (var i = 0; i < postProcessors.length; i++) { + result.css = postProcessors[i].process(result.css, { sourceMap: sourceMapBuilder, options: options, imports: this.imports }); + } + } + if (options.sourceMap) { + result.map = sourceMapBuilder.getExternalSourceMap(); + } + + result.imports = []; + for (var file in this.imports.files) { + if (this.imports.files.hasOwnProperty(file) && file !== this.imports.rootFilename) { + result.imports.push(file); + } + } + return result; + }; + return ParseTree; +}; + +},{"./less-error":32,"./logger":33,"./transform-tree":44}],35:[function(require,module,exports){ +var PromiseConstructor, + contexts = require("./contexts"), + Parser = require('./parser/parser'), + PluginManager = require('./plugin-manager'); + +module.exports = function(environment, ParseTree, ImportManager) { + var parse = function (input, options, callback) { + options = options || {}; + + if (typeof options === 'function') { + callback = options; + options = {}; + } + + if (!callback) { + if (!PromiseConstructor) { + PromiseConstructor = typeof Promise === 'undefined' ? require('promise') : Promise; + } + var self = this; + return new PromiseConstructor(function (resolve, reject) { + parse.call(self, input, options, function(err, output) { + if (err) { + reject(err); + } else { + resolve(output); + } + }); + }); + } else { + var context, + rootFileInfo, + pluginManager = new PluginManager(this); + + pluginManager.addPlugins(options.plugins); + options.pluginManager = pluginManager; + + context = new contexts.Parse(options); + + if (options.rootFileInfo) { + rootFileInfo = options.rootFileInfo; + } else { + var filename = options.filename || "input"; + var entryPath = filename.replace(/[^\/\\]*$/, ""); + rootFileInfo = { + filename: filename, + relativeUrls: context.relativeUrls, + rootpath: context.rootpath || "", + currentDirectory: entryPath, + entryPath: entryPath, + rootFilename: filename + }; + // add in a missing trailing slash + if (rootFileInfo.rootpath && rootFileInfo.rootpath.slice(-1) !== "/") { + rootFileInfo.rootpath += "/"; + } + } + + var imports = new ImportManager(context, rootFileInfo); + + new Parser(context, imports, rootFileInfo) + .parse(input, function (e, root) { + if (e) { return callback(e); } + callback(null, root, imports, options); + }, options); + } + }; + return parse; +}; + +},{"./contexts":11,"./parser/parser":38,"./plugin-manager":39,"promise":undefined}],36:[function(require,module,exports){ +// Split the input into chunks. +module.exports = function (input, fail) { + var len = input.length, level = 0, parenLevel = 0, + lastOpening, lastOpeningParen, lastMultiComment, lastMultiCommentEndBrace, + chunks = [], emitFrom = 0, + chunkerCurrentIndex, currentChunkStartIndex, cc, cc2, matched; + + function emitChunk(force) { + var len = chunkerCurrentIndex - emitFrom; + if (((len < 512) && !force) || !len) { + return; + } + chunks.push(input.slice(emitFrom, chunkerCurrentIndex + 1)); + emitFrom = chunkerCurrentIndex + 1; + } + + for (chunkerCurrentIndex = 0; chunkerCurrentIndex < len; chunkerCurrentIndex++) { + cc = input.charCodeAt(chunkerCurrentIndex); + if (((cc >= 97) && (cc <= 122)) || (cc < 34)) { + // a-z or whitespace + continue; + } + + switch (cc) { + case 40: // ( + parenLevel++; + lastOpeningParen = chunkerCurrentIndex; + continue; + case 41: // ) + if (--parenLevel < 0) { + return fail("missing opening `(`", chunkerCurrentIndex); + } + continue; + case 59: // ; + if (!parenLevel) { emitChunk(); } + continue; + case 123: // { + level++; + lastOpening = chunkerCurrentIndex; + continue; + case 125: // } + if (--level < 0) { + return fail("missing opening `{`", chunkerCurrentIndex); + } + if (!level && !parenLevel) { emitChunk(); } + continue; + case 92: // \ + if (chunkerCurrentIndex < len - 1) { chunkerCurrentIndex++; continue; } + return fail("unescaped `\\`", chunkerCurrentIndex); + case 34: + case 39: + case 96: // ", ' and ` + matched = 0; + currentChunkStartIndex = chunkerCurrentIndex; + for (chunkerCurrentIndex = chunkerCurrentIndex + 1; chunkerCurrentIndex < len; chunkerCurrentIndex++) { + cc2 = input.charCodeAt(chunkerCurrentIndex); + if (cc2 > 96) { continue; } + if (cc2 == cc) { matched = 1; break; } + if (cc2 == 92) { // \ + if (chunkerCurrentIndex == len - 1) { + return fail("unescaped `\\`", chunkerCurrentIndex); + } + chunkerCurrentIndex++; + } + } + if (matched) { continue; } + return fail("unmatched `" + String.fromCharCode(cc) + "`", currentChunkStartIndex); + case 47: // /, check for comment + if (parenLevel || (chunkerCurrentIndex == len - 1)) { continue; } + cc2 = input.charCodeAt(chunkerCurrentIndex + 1); + if (cc2 == 47) { + // //, find lnfeed + for (chunkerCurrentIndex = chunkerCurrentIndex + 2; chunkerCurrentIndex < len; chunkerCurrentIndex++) { + cc2 = input.charCodeAt(chunkerCurrentIndex); + if ((cc2 <= 13) && ((cc2 == 10) || (cc2 == 13))) { break; } + } + } else if (cc2 == 42) { + // /*, find */ + lastMultiComment = currentChunkStartIndex = chunkerCurrentIndex; + for (chunkerCurrentIndex = chunkerCurrentIndex + 2; chunkerCurrentIndex < len - 1; chunkerCurrentIndex++) { + cc2 = input.charCodeAt(chunkerCurrentIndex); + if (cc2 == 125) { lastMultiCommentEndBrace = chunkerCurrentIndex; } + if (cc2 != 42) { continue; } + if (input.charCodeAt(chunkerCurrentIndex + 1) == 47) { break; } + } + if (chunkerCurrentIndex == len - 1) { + return fail("missing closing `*/`", currentChunkStartIndex); + } + chunkerCurrentIndex++; + } + continue; + case 42: // *, check for unmatched */ + if ((chunkerCurrentIndex < len - 1) && (input.charCodeAt(chunkerCurrentIndex + 1) == 47)) { + return fail("unmatched `/*`", chunkerCurrentIndex); + } + continue; + } + } + + if (level !== 0) { + if ((lastMultiComment > lastOpening) && (lastMultiCommentEndBrace > lastMultiComment)) { + return fail("missing closing `}` or `*/`", lastOpening); + } else { + return fail("missing closing `}`", lastOpening); + } + } else if (parenLevel !== 0) { + return fail("missing closing `)`", lastOpeningParen); + } + + emitChunk(true); + return chunks; +}; + +},{}],37:[function(require,module,exports){ +var chunker = require('./chunker'); + +module.exports = function() { + var input, // LeSS input string + j, // current chunk + saveStack = [], // holds state for backtracking + furthest, // furthest index the parser has gone to + furthestPossibleErrorMessage,// if this is furthest we got to, this is the probably cause + chunks, // chunkified input + current, // current chunk + currentPos, // index of current chunk, in `input` + parserInput = {}; + + var CHARCODE_SPACE = 32, + CHARCODE_TAB = 9, + CHARCODE_LF = 10, + CHARCODE_CR = 13, + CHARCODE_PLUS = 43, + CHARCODE_COMMA = 44, + CHARCODE_FORWARD_SLASH = 47, + CHARCODE_9 = 57; + + function skipWhitespace(length) { + var oldi = parserInput.i, oldj = j, + curr = parserInput.i - currentPos, + endIndex = parserInput.i + current.length - curr, + mem = (parserInput.i += length), + inp = input, + c, nextChar, comment; + + for (; parserInput.i < endIndex; parserInput.i++) { + c = inp.charCodeAt(parserInput.i); + + if (parserInput.autoCommentAbsorb && c === CHARCODE_FORWARD_SLASH) { + nextChar = inp.charAt(parserInput.i + 1); + if (nextChar === '/') { + comment = {index: parserInput.i, isLineComment: true}; + var nextNewLine = inp.indexOf("\n", parserInput.i + 2); + if (nextNewLine < 0) { + nextNewLine = endIndex; + } + parserInput.i = nextNewLine; + comment.text = inp.substr(comment.index, parserInput.i - comment.index); + parserInput.commentStore.push(comment); + continue; + } else if (nextChar === '*') { + var nextStarSlash = inp.indexOf("*/", parserInput.i + 2); + if (nextStarSlash >= 0) { + comment = { + index: parserInput.i, + text: inp.substr(parserInput.i, nextStarSlash + 2 - parserInput.i), + isLineComment: false + }; + parserInput.i += comment.text.length - 1; + parserInput.commentStore.push(comment); + continue; + } + } + break; + } + + if ((c !== CHARCODE_SPACE) && (c !== CHARCODE_LF) && (c !== CHARCODE_TAB) && (c !== CHARCODE_CR)) { + break; + } + } + + current = current.slice(length + parserInput.i - mem + curr); + currentPos = parserInput.i; + + if (!current.length) { + if (j < chunks.length - 1) { + current = chunks[++j]; + skipWhitespace(0); // skip space at the beginning of a chunk + return true; // things changed + } + parserInput.finished = true; + } + + return oldi !== parserInput.i || oldj !== j; + } + + parserInput.save = function() { + currentPos = parserInput.i; + saveStack.push( { current: current, i: parserInput.i, j: j }); + }; + parserInput.restore = function(possibleErrorMessage) { + + if (parserInput.i > furthest || (parserInput.i === furthest && possibleErrorMessage && !furthestPossibleErrorMessage)) { + furthest = parserInput.i; + furthestPossibleErrorMessage = possibleErrorMessage; + } + var state = saveStack.pop(); + current = state.current; + currentPos = parserInput.i = state.i; + j = state.j; + }; + parserInput.forget = function() { + saveStack.pop(); + }; + parserInput.isWhitespace = function (offset) { + var pos = parserInput.i + (offset || 0), + code = input.charCodeAt(pos); + return (code === CHARCODE_SPACE || code === CHARCODE_CR || code === CHARCODE_TAB || code === CHARCODE_LF); + }; + + // Specialization of $(tok) + parserInput.$re = function(tok) { + if (parserInput.i > currentPos) { + current = current.slice(parserInput.i - currentPos); + currentPos = parserInput.i; + } + + var m = tok.exec(current); + if (!m) { + return null; + } + + skipWhitespace(m[0].length); + if (typeof m === "string") { + return m; + } + + return m.length === 1 ? m[0] : m; + }; + + parserInput.$char = function(tok) { + if (input.charAt(parserInput.i) !== tok) { + return null; + } + skipWhitespace(1); + return tok; + }; + + parserInput.$str = function(tok) { + var tokLength = tok.length; + + // https://jsperf.com/string-startswith/21 + for (var i = 0; i < tokLength; i++) { + if (input.charAt(parserInput.i + i) !== tok.charAt(i)) { + return null; + } + } + + skipWhitespace(tokLength); + return tok; + }; + + parserInput.$quoted = function() { + + var startChar = input.charAt(parserInput.i); + if (startChar !== "'" && startChar !== '"') { + return; + } + var length = input.length, + currentPosition = parserInput.i; + + for (var i = 1; i + currentPosition < length; i++) { + var nextChar = input.charAt(i + currentPosition); + switch(nextChar) { + case "\\": + i++; + continue; + case "\r": + case "\n": + break; + case startChar: + var str = input.substr(currentPosition, i + 1); + skipWhitespace(i + 1); + return str; + default: + } + } + return null; + }; + + parserInput.autoCommentAbsorb = true; + parserInput.commentStore = []; + parserInput.finished = false; + + // Same as $(), but don't change the state of the parser, + // just return the match. + parserInput.peek = function(tok) { + if (typeof tok === 'string') { + // https://jsperf.com/string-startswith/21 + for (var i = 0; i < tok.length; i++) { + if (input.charAt(parserInput.i + i) !== tok.charAt(i)) { + return false; + } + } + return true; + } else { + return tok.test(current); + } + }; + + // Specialization of peek() + // TODO remove or change some currentChar calls to peekChar + parserInput.peekChar = function(tok) { + return input.charAt(parserInput.i) === tok; + }; + + parserInput.currentChar = function() { + return input.charAt(parserInput.i); + }; + + parserInput.getInput = function() { + return input; + }; + + parserInput.peekNotNumeric = function() { + var c = input.charCodeAt(parserInput.i); + //Is the first char of the dimension 0-9, '.', '+' or '-' + return (c > CHARCODE_9 || c < CHARCODE_PLUS) || c === CHARCODE_FORWARD_SLASH || c === CHARCODE_COMMA; + }; + + parserInput.start = function(str, chunkInput, failFunction) { + input = str; + parserInput.i = j = currentPos = furthest = 0; + + // chunking apparently makes things quicker (but my tests indicate + // it might actually make things slower in node at least) + // and it is a non-perfect parse - it can't recognise + // unquoted urls, meaning it can't distinguish comments + // meaning comments with quotes or {}() in them get 'counted' + // and then lead to parse errors. + // In addition if the chunking chunks in the wrong place we might + // not be able to parse a parser statement in one go + // this is officially deprecated but can be switched on via an option + // in the case it causes too much performance issues. + if (chunkInput) { + chunks = chunker(str, failFunction); + } else { + chunks = [str]; + } + + current = chunks[0]; + + skipWhitespace(0); + }; + + parserInput.end = function() { + var message, + isFinished = parserInput.i >= input.length; + + if (parserInput.i < furthest) { + message = furthestPossibleErrorMessage; + parserInput.i = furthest; + } + return { + isFinished: isFinished, + furthest: parserInput.i, + furthestPossibleErrorMessage: message, + furthestReachedEnd: parserInput.i >= input.length - 1, + furthestChar: input[parserInput.i] + }; + }; + + return parserInput; +}; + +},{"./chunker":36}],38:[function(require,module,exports){ +var LessError = require('../less-error'), + tree = require("../tree"), + visitors = require("../visitors"), + getParserInput = require("./parser-input"), + utils = require("../utils"); + +// +// less.js - parser +// +// A relatively straight-forward predictive parser. +// There is no tokenization/lexing stage, the input is parsed +// in one sweep. +// +// To make the parser fast enough to run in the browser, several +// optimization had to be made: +// +// - Matching and slicing on a huge input is often cause of slowdowns. +// The solution is to chunkify the input into smaller strings. +// The chunks are stored in the `chunks` var, +// `j` holds the current chunk index, and `currentPos` holds +// the index of the current chunk in relation to `input`. +// This gives us an almost 4x speed-up. +// +// - In many cases, we don't need to match individual tokens; +// for example, if a value doesn't hold any variables, operations +// or dynamic references, the parser can effectively 'skip' it, +// treating it as a literal. +// An example would be '1px solid #000' - which evaluates to itself, +// we don't need to know what the individual components are. +// The drawback, of course is that you don't get the benefits of +// syntax-checking on the CSS. This gives us a 50% speed-up in the parser, +// and a smaller speed-up in the code-gen. +// +// +// Token matching is done with the `$` function, which either takes +// a terminal string or regexp, or a non-terminal function to call. +// It also takes care of moving all the indices forwards. +//` +// +var Parser = function Parser(context, imports, fileInfo) { + var parsers, + parserInput = getParserInput(); + + function error(msg, type) { + throw new LessError( + { + index: parserInput.i, + filename: fileInfo.filename, + type: type || 'Syntax', + message: msg + }, + imports + ); + } + + function expect(arg, msg, index) { + // some older browsers return typeof 'function' for RegExp + var result = (arg instanceof Function) ? arg.call(parsers) : parserInput.$re(arg); + if (result) { + return result; + } + error(msg || (typeof arg === 'string' ? "expected '" + arg + "' got '" + parserInput.currentChar() + "'" + : "unexpected token")); + } + + // Specialization of expect() + function expectChar(arg, msg) { + if (parserInput.$char(arg)) { + return arg; + } + error(msg || "expected '" + arg + "' got '" + parserInput.currentChar() + "'"); + } + + function getDebugInfo(index) { + var filename = fileInfo.filename; + + return { + lineNumber: utils.getLocation(index, parserInput.getInput()).line + 1, + fileName: filename + }; + } + + // + // The Parser + // + return { + + // + // Parse an input string into an abstract syntax tree, + // @param str A string containing 'less' markup + // @param callback call `callback` when done. + // @param [additionalData] An optional map which can contains vars - a map (key, value) of variables to apply + // + parse: function (str, callback, additionalData) { + var root, error = null, globalVars, modifyVars, ignored, preText = ""; + + globalVars = (additionalData && additionalData.globalVars) ? Parser.serializeVars(additionalData.globalVars) + '\n' : ''; + modifyVars = (additionalData && additionalData.modifyVars) ? '\n' + Parser.serializeVars(additionalData.modifyVars) : ''; + + if (context.pluginManager) { + var preProcessors = context.pluginManager.getPreProcessors(); + for (var i = 0; i < preProcessors.length; i++) { + str = preProcessors[i].process(str, { context: context, imports: imports, fileInfo: fileInfo }); + } + } + + if (globalVars || (additionalData && additionalData.banner)) { + preText = ((additionalData && additionalData.banner) ? additionalData.banner : "") + globalVars; + ignored = imports.contentsIgnoredChars; + ignored[fileInfo.filename] = ignored[fileInfo.filename] || 0; + ignored[fileInfo.filename] += preText.length; + } + + str = str.replace(/\r\n?/g, '\n'); + // Remove potential UTF Byte Order Mark + str = preText + str.replace(/^\uFEFF/, '') + modifyVars; + imports.contents[fileInfo.filename] = str; + + // Start with the primary rule. + // The whole syntax tree is held under a Ruleset node, + // with the `root` property set to true, so no `{}` are + // output. The callback is called when the input is parsed. + try { + parserInput.start(str, context.chunkInput, function fail(msg, index) { + throw new LessError({ + index: index, + type: 'Parse', + message: msg, + filename: fileInfo.filename + }, imports); + }); + + root = new(tree.Ruleset)(null, this.parsers.primary()); + root.root = true; + root.firstRoot = true; + } catch (e) { + return callback(new LessError(e, imports, fileInfo.filename)); + } + + // If `i` is smaller than the `input.length - 1`, + // it means the parser wasn't able to parse the whole + // string, so we've got a parsing error. + // + // We try to extract a \n delimited string, + // showing the line where the parse error occurred. + // We split it up into two parts (the part which parsed, + // and the part which didn't), so we can color them differently. + var endInfo = parserInput.end(); + if (!endInfo.isFinished) { + + var message = endInfo.furthestPossibleErrorMessage; + + if (!message) { + message = "Unrecognised input"; + if (endInfo.furthestChar === '}') { + message += ". Possibly missing opening '{'"; + } else if (endInfo.furthestChar === ')') { + message += ". Possibly missing opening '('"; + } else if (endInfo.furthestReachedEnd) { + message += ". Possibly missing something"; + } + } + + error = new LessError({ + type: "Parse", + message: message, + index: endInfo.furthest, + filename: fileInfo.filename + }, imports); + } + + var finish = function (e) { + e = error || e || imports.error; + + if (e) { + if (!(e instanceof LessError)) { + e = new LessError(e, imports, fileInfo.filename); + } + + return callback(e); + } + else { + return callback(null, root); + } + }; + + if (context.processImports !== false) { + new visitors.ImportVisitor(imports, finish) + .run(root); + } else { + return finish(); + } + }, + + // + // Here in, the parsing rules/functions + // + // The basic structure of the syntax tree generated is as follows: + // + // Ruleset -> Rule -> Value -> Expression -> Entity + // + // Here's some Less code: + // + // .class { + // color: #fff; + // border: 1px solid #000; + // width: @w + 4px; + // > .child {...} + // } + // + // And here's what the parse tree might look like: + // + // Ruleset (Selector '.class', [ + // Rule ("color", Value ([Expression [Color #fff]])) + // Rule ("border", Value ([Expression [Dimension 1px][Keyword "solid"][Color #000]])) + // Rule ("width", Value ([Expression [Operation " + " [Variable "@w"][Dimension 4px]]])) + // Ruleset (Selector [Element '>', '.child'], [...]) + // ]) + // + // In general, most rules will try to parse a token with the `$re()` function, and if the return + // value is truly, will return a new node, of the relevant type. Sometimes, we need to check + // first, before parsing, that's when we use `peek()`. + // + parsers: parsers = { + // + // The `primary` rule is the *entry* and *exit* point of the parser. + // The rules here can appear at any level of the parse tree. + // + // The recursive nature of the grammar is an interplay between the `block` + // rule, which represents `{ ... }`, the `ruleset` rule, and this `primary` rule, + // as represented by this simplified grammar: + // + // primary → (ruleset | rule)+ + // ruleset → selector+ block + // block → '{' primary '}' + // + // Only at one point is the primary rule not called from the + // block rule: at the root level. + // + primary: function () { + var mixin = this.mixin, root = [], node; + + while (true) { + while (true) { + node = this.comment(); + if (!node) { break; } + root.push(node); + } + // always process comments before deciding if finished + if (parserInput.finished) { + break; + } + if (parserInput.peek('}')) { + break; + } + + node = this.extendRule(); + if (node) { + root = root.concat(node); + continue; + } + + node = mixin.definition() || this.rule() || this.ruleset() || + mixin.call() || this.rulesetCall() || this.entities.call() || this.directive(); + if (node) { + root.push(node); + } else { + var foundSemiColon = false; + while (parserInput.$char(";")) { + foundSemiColon = true; + } + if (!foundSemiColon) { + break; + } + } + } + + return root; + }, + + // comments are collected by the main parsing mechanism and then assigned to nodes + // where the current structure allows it + comment: function () { + if (parserInput.commentStore.length) { + var comment = parserInput.commentStore.shift(); + return new(tree.Comment)(comment.text, comment.isLineComment, comment.index, fileInfo); + } + }, + + // + // Entities are tokens which can be found inside an Expression + // + entities: { + // + // A string, which supports escaping " and ' + // + // "milky way" 'he\'s the one!' + // + quoted: function () { + var str, index = parserInput.i, isEscaped = false; + + parserInput.save(); + if (parserInput.$char("~")) { + isEscaped = true; + } + str = parserInput.$quoted(); + if (!str) { + parserInput.restore(); + return; + } + parserInput.forget(); + + return new(tree.Quoted)(str.charAt(0), str.substr(1, str.length - 2), isEscaped, index, fileInfo); + }, + + // + // A catch-all word, such as: + // + // black border-collapse + // + keyword: function () { + var k = parserInput.$char("%") || parserInput.$re(/^[_A-Za-z-][_A-Za-z0-9-]*/); + if (k) { + return tree.Color.fromKeyword(k) || new(tree.Keyword)(k); + } + }, + + // + // A function call + // + // rgb(255, 0, 255) + // + // We also try to catch IE's `alpha()`, but let the `alpha` parser + // deal with the details. + // + // The arguments are parsed with the `entities.arguments` parser. + // + call: function () { + var name, nameLC, args, alpha, index = parserInput.i; + + // http://jsperf.com/case-insensitive-regex-vs-strtolower-then-regex/18 + if (parserInput.peek(/^url\(/i)) { + return; + } + + parserInput.save(); + + name = parserInput.$re(/^([\w-]+|%|progid:[\w\.]+)\(/); + if (!name) { parserInput.forget(); return; } + + name = name[1]; + nameLC = name.toLowerCase(); + + if (nameLC === 'alpha') { + alpha = parsers.alpha(); + if (alpha) { + parserInput.forget(); + return alpha; + } + } + + args = this.arguments(); + + if (! parserInput.$char(')')) { + parserInput.restore("Could not parse call arguments or missing ')'"); + return; + } + + parserInput.forget(); + return new(tree.Call)(name, args, index, fileInfo); + }, + arguments: function () { + var argsSemiColon = [], argsComma = [], + expressions = [], + isSemiColonSeparated, value, arg; + + parserInput.save(); + + while (true) { + + arg = parsers.detachedRuleset() || this.assignment() || parsers.expression(); + + if (!arg) { + break; + } + + value = arg; + + if (arg.value && arg.value.length == 1) { + value = arg.value[0]; + } + + if (value) { + expressions.push(value); + } + + argsComma.push(value); + + if (parserInput.$char(',')) { + continue; + } + + if (parserInput.$char(';') || isSemiColonSeparated) { + + isSemiColonSeparated = true; + + if (expressions.length > 1) { + value = new(tree.Value)(expressions); + } + argsSemiColon.push(value); + + expressions = []; + } + } + + parserInput.forget(); + return isSemiColonSeparated ? argsSemiColon : argsComma; + }, + literal: function () { + return this.dimension() || + this.color() || + this.quoted() || + this.unicodeDescriptor(); + }, + + // Assignments are argument entities for calls. + // They are present in ie filter properties as shown below. + // + // filter: progid:DXImageTransform.Microsoft.Alpha( *opacity=50* ) + // + + assignment: function () { + var key, value; + parserInput.save(); + key = parserInput.$re(/^\w+(?=\s?=)/i); + if (!key) { + parserInput.restore(); + return; + } + if (!parserInput.$char('=')) { + parserInput.restore(); + return; + } + value = parsers.entity(); + if (value) { + parserInput.forget(); + return new(tree.Assignment)(key, value); + } else { + parserInput.restore(); + } + }, + + // + // Parse url() tokens + // + // We use a specific rule for urls, because they don't really behave like + // standard function calls. The difference is that the argument doesn't have + // to be enclosed within a string, so it can't be parsed as an Expression. + // + url: function () { + var value, index = parserInput.i; + + parserInput.autoCommentAbsorb = false; + + if (!parserInput.$str("url(")) { + parserInput.autoCommentAbsorb = true; + return; + } + + value = this.quoted() || this.variable() || + parserInput.$re(/^(?:(?:\\[\(\)'"])|[^\(\)'"])+/) || ""; + + parserInput.autoCommentAbsorb = true; + + expectChar(')'); + + return new(tree.URL)((value.value != null || value instanceof tree.Variable) ? + value : new(tree.Anonymous)(value), index, fileInfo); + }, + + // + // A Variable entity, such as `@fink`, in + // + // width: @fink + 2px + // + // We use a different parser for variable definitions, + // see `parsers.variable`. + // + variable: function () { + var name, index = parserInput.i; + + if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^@@?[\w-]+/))) { + return new(tree.Variable)(name, index, fileInfo); + } + }, + + // A variable entity using the protective {} e.g. @{var} + variableCurly: function () { + var curly, index = parserInput.i; + + if (parserInput.currentChar() === '@' && (curly = parserInput.$re(/^@\{([\w-]+)\}/))) { + return new(tree.Variable)("@" + curly[1], index, fileInfo); + } + }, + + // + // A Hexadecimal color + // + // #4F3C2F + // + // `rgb` and `hsl` colors are parsed through the `entities.call` parser. + // + color: function () { + var rgb; + + if (parserInput.currentChar() === '#' && (rgb = parserInput.$re(/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/))) { + // strip colons, brackets, whitespaces and other characters that should not + // definitely be part of color string + var colorCandidateString = rgb.input.match(/^#([\w]+).*/); + colorCandidateString = colorCandidateString[1]; + if (!colorCandidateString.match(/^[A-Fa-f0-9]+$/)) { // verify if candidate consists only of allowed HEX characters + error("Invalid HEX color code"); + } + return new(tree.Color)(rgb[1], undefined, '#' + colorCandidateString); + } + }, + + colorKeyword: function () { + parserInput.save(); + var autoCommentAbsorb = parserInput.autoCommentAbsorb; + parserInput.autoCommentAbsorb = false; + var k = parserInput.$re(/^[_A-Za-z-][_A-Za-z0-9-]+/); + parserInput.autoCommentAbsorb = autoCommentAbsorb; + if (!k) { + parserInput.forget(); + return; + } + parserInput.restore(); + var color = tree.Color.fromKeyword(k); + if (color) { + parserInput.$str(k); + return color; + } + }, + + // + // A Dimension, that is, a number and a unit + // + // 0.5em 95% + // + dimension: function () { + if (parserInput.peekNotNumeric()) { + return; + } + + var value = parserInput.$re(/^([+-]?\d*\.?\d+)(%|[a-z_]+)?/i); + if (value) { + return new(tree.Dimension)(value[1], value[2]); + } + }, + + // + // A unicode descriptor, as is used in unicode-range + // + // U+0?? or U+00A1-00A9 + // + unicodeDescriptor: function () { + var ud; + + ud = parserInput.$re(/^U\+[0-9a-fA-F?]+(\-[0-9a-fA-F?]+)?/); + if (ud) { + return new(tree.UnicodeDescriptor)(ud[0]); + } + }, + + // + // JavaScript code to be evaluated + // + // `window.location.href` + // + javascript: function () { + var js, index = parserInput.i; + + parserInput.save(); + + var escape = parserInput.$char("~"); + var jsQuote = parserInput.$char("`"); + + if (!jsQuote) { + parserInput.restore(); + return; + } + + js = parserInput.$re(/^[^`]*`/); + if (js) { + parserInput.forget(); + return new(tree.JavaScript)(js.substr(0, js.length - 1), Boolean(escape), index, fileInfo); + } + parserInput.restore("invalid javascript definition"); + } + }, + + // + // The variable part of a variable definition. Used in the `rule` parser + // + // @fink: + // + variable: function () { + var name; + + if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^(@[\w-]+)\s*:/))) { return name[1]; } + }, + + // + // The variable part of a variable definition. Used in the `rule` parser + // + // @fink(); + // + rulesetCall: function () { + var name; + + if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^(@[\w-]+)\(\s*\)\s*;/))) { + return new tree.RulesetCall(name[1]); + } + }, + + // + // extend syntax - used to extend selectors + // + extend: function(isRule) { + var elements, e, index = parserInput.i, option, extendList, extend; + + if (!parserInput.$str(isRule ? "&:extend(" : ":extend(")) { + return; + } + + do { + option = null; + elements = null; + while (! (option = parserInput.$re(/^(all)(?=\s*(\)|,))/))) { + e = this.element(); + if (!e) { + break; + } + if (elements) { + elements.push(e); + } else { + elements = [ e ]; + } + } + + option = option && option[1]; + if (!elements) { + error("Missing target selector for :extend()."); + } + extend = new(tree.Extend)(new(tree.Selector)(elements), option, index, fileInfo); + if (extendList) { + extendList.push(extend); + } else { + extendList = [ extend ]; + } + } while (parserInput.$char(",")); + + expect(/^\)/); + + if (isRule) { + expect(/^;/); + } + + return extendList; + }, + + // + // extendRule - used in a rule to extend all the parent selectors + // + extendRule: function() { + return this.extend(true); + }, + + // + // Mixins + // + mixin: { + // + // A Mixin call, with an optional argument list + // + // #mixins > .square(#fff); + // .rounded(4px, black); + // .button; + // + // The `while` loop is there because mixins can be + // namespaced, but we only support the child and descendant + // selector for now. + // + call: function () { + var s = parserInput.currentChar(), important = false, index = parserInput.i, elemIndex, + elements, elem, e, c, args; + + if (s !== '.' && s !== '#') { return; } + + parserInput.save(); // stop us absorbing part of an invalid selector + + while (true) { + elemIndex = parserInput.i; + e = parserInput.$re(/^[#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/); + if (!e) { + break; + } + elem = new(tree.Element)(c, e, elemIndex, fileInfo); + if (elements) { + elements.push(elem); + } else { + elements = [ elem ]; + } + c = parserInput.$char('>'); + } + + if (elements) { + if (parserInput.$char('(')) { + args = this.args(true).args; + expectChar(')'); + } + + if (parsers.important()) { + important = true; + } + + if (parsers.end()) { + parserInput.forget(); + return new(tree.mixin.Call)(elements, args, index, fileInfo, important); + } + } + + parserInput.restore(); + }, + args: function (isCall) { + var entities = parsers.entities, + returner = { args:null, variadic: false }, + expressions = [], argsSemiColon = [], argsComma = [], + isSemiColonSeparated, expressionContainsNamed, name, nameLoop, + value, arg, expand; + + parserInput.save(); + + while (true) { + if (isCall) { + arg = parsers.detachedRuleset() || parsers.expression(); + } else { + parserInput.commentStore.length = 0; + if (parserInput.$str("...")) { + returner.variadic = true; + if (parserInput.$char(";") && !isSemiColonSeparated) { + isSemiColonSeparated = true; + } + (isSemiColonSeparated ? argsSemiColon : argsComma) + .push({ variadic: true }); + break; + } + arg = entities.variable() || entities.literal() || entities.keyword(); + } + + if (!arg) { + break; + } + + nameLoop = null; + if (arg.throwAwayComments) { + arg.throwAwayComments(); + } + value = arg; + var val = null; + + if (isCall) { + // Variable + if (arg.value && arg.value.length == 1) { + val = arg.value[0]; + } + } else { + val = arg; + } + + if (val && val instanceof tree.Variable) { + if (parserInput.$char(':')) { + if (expressions.length > 0) { + if (isSemiColonSeparated) { + error("Cannot mix ; and , as delimiter types"); + } + expressionContainsNamed = true; + } + + value = parsers.detachedRuleset() || parsers.expression(); + + if (!value) { + if (isCall) { + error("could not understand value for named argument"); + } else { + parserInput.restore(); + returner.args = []; + return returner; + } + } + nameLoop = (name = val.name); + } else if (parserInput.$str("...")) { + if (!isCall) { + returner.variadic = true; + if (parserInput.$char(";") && !isSemiColonSeparated) { + isSemiColonSeparated = true; + } + (isSemiColonSeparated ? argsSemiColon : argsComma) + .push({ name: arg.name, variadic: true }); + break; + } else { + expand = true; + } + } else if (!isCall) { + name = nameLoop = val.name; + value = null; + } + } + + if (value) { + expressions.push(value); + } + + argsComma.push({ name:nameLoop, value:value, expand:expand }); + + if (parserInput.$char(',')) { + continue; + } + + if (parserInput.$char(';') || isSemiColonSeparated) { + + if (expressionContainsNamed) { + error("Cannot mix ; and , as delimiter types"); + } + + isSemiColonSeparated = true; + + if (expressions.length > 1) { + value = new(tree.Value)(expressions); + } + argsSemiColon.push({ name:name, value:value, expand:expand }); + + name = null; + expressions = []; + expressionContainsNamed = false; + } + } + + parserInput.forget(); + returner.args = isSemiColonSeparated ? argsSemiColon : argsComma; + return returner; + }, + // + // A Mixin definition, with a list of parameters + // + // .rounded (@radius: 2px, @color) { + // ... + // } + // + // Until we have a finer grained state-machine, we have to + // do a look-ahead, to make sure we don't have a mixin call. + // See the `rule` function for more information. + // + // We start by matching `.rounded (`, and then proceed on to + // the argument list, which has optional default values. + // We store the parameters in `params`, with a `value` key, + // if there is a value, such as in the case of `@radius`. + // + // Once we've got our params list, and a closing `)`, we parse + // the `{...}` block. + // + definition: function () { + var name, params = [], match, ruleset, cond, variadic = false; + if ((parserInput.currentChar() !== '.' && parserInput.currentChar() !== '#') || + parserInput.peek(/^[^{]*\}/)) { + return; + } + + parserInput.save(); + + match = parserInput.$re(/^([#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/); + if (match) { + name = match[1]; + + var argInfo = this.args(false); + params = argInfo.args; + variadic = argInfo.variadic; + + // .mixincall("@{a}"); + // looks a bit like a mixin definition.. + // also + // .mixincall(@a: {rule: set;}); + // so we have to be nice and restore + if (!parserInput.$char(')')) { + parserInput.restore("Missing closing ')'"); + return; + } + + parserInput.commentStore.length = 0; + + if (parserInput.$str("when")) { // Guard + cond = expect(parsers.conditions, 'expected condition'); + } + + ruleset = parsers.block(); + + if (ruleset) { + parserInput.forget(); + return new(tree.mixin.Definition)(name, params, ruleset, cond, variadic); + } else { + parserInput.restore(); + } + } else { + parserInput.forget(); + } + } + }, + + // + // Entities are the smallest recognized token, + // and can be found inside a rule's value. + // + entity: function () { + var entities = this.entities; + + return this.comment() || entities.literal() || entities.variable() || entities.url() || + entities.call() || entities.keyword() || entities.javascript(); + }, + + // + // A Rule terminator. Note that we use `peek()` to check for '}', + // because the `block` rule will be expecting it, but we still need to make sure + // it's there, if ';' was omitted. + // + end: function () { + return parserInput.$char(';') || parserInput.peek('}'); + }, + + // + // IE's alpha function + // + // alpha(opacity=88) + // + alpha: function () { + var value; + + // http://jsperf.com/case-insensitive-regex-vs-strtolower-then-regex/18 + if (! parserInput.$re(/^opacity=/i)) { return; } + value = parserInput.$re(/^\d+/); + if (!value) { + value = expect(this.entities.variable, "Could not parse alpha"); + } + expectChar(')'); + return new(tree.Alpha)(value); + }, + + // + // A Selector Element + // + // div + // + h1 + // #socks + // input[type="text"] + // + // Elements are the building blocks for Selectors, + // they are made out of a `Combinator` (see combinator rule), + // and an element name, such as a tag a class, or `*`. + // + element: function () { + var e, c, v, index = parserInput.i; + + c = this.combinator(); + + e = parserInput.$re(/^(?:\d+\.\d+|\d+)%/) || + parserInput.$re(/^(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/) || + parserInput.$char('*') || parserInput.$char('&') || this.attribute() || + parserInput.$re(/^\([^&()@]+\)/) || parserInput.$re(/^[\.#:](?=@)/) || + this.entities.variableCurly(); + + if (! e) { + parserInput.save(); + if (parserInput.$char('(')) { + if ((v = this.selector()) && parserInput.$char(')')) { + e = new(tree.Paren)(v); + parserInput.forget(); + } else { + parserInput.restore("Missing closing ')'"); + } + } else { + parserInput.forget(); + } + } + + if (e) { return new(tree.Element)(c, e, index, fileInfo); } + }, + + // + // Combinators combine elements together, in a Selector. + // + // Because our parser isn't white-space sensitive, special care + // has to be taken, when parsing the descendant combinator, ` `, + // as it's an empty space. We have to check the previous character + // in the input, to see if it's a ` ` character. More info on how + // we deal with this in *combinator.js*. + // + combinator: function () { + var c = parserInput.currentChar(); + + if (c === '/') { + parserInput.save(); + var slashedCombinator = parserInput.$re(/^\/[a-z]+\//i); + if (slashedCombinator) { + parserInput.forget(); + return new(tree.Combinator)(slashedCombinator); + } + parserInput.restore(); + } + + if (c === '>' || c === '+' || c === '~' || c === '|' || c === '^') { + parserInput.i++; + if (c === '^' && parserInput.currentChar() === '^') { + c = '^^'; + parserInput.i++; + } + while (parserInput.isWhitespace()) { parserInput.i++; } + return new(tree.Combinator)(c); + } else if (parserInput.isWhitespace(-1)) { + return new(tree.Combinator)(" "); + } else { + return new(tree.Combinator)(null); + } + }, + // + // A CSS selector (see selector below) + // with less extensions e.g. the ability to extend and guard + // + lessSelector: function () { + return this.selector(true); + }, + // + // A CSS Selector + // + // .class > div + h1 + // li a:hover + // + // Selectors are made out of one or more Elements, see above. + // + selector: function (isLess) { + var index = parserInput.i, elements, extendList, c, e, allExtends, when, condition; + + while ((isLess && (extendList = this.extend())) || (isLess && (when = parserInput.$str("when"))) || (e = this.element())) { + if (when) { + condition = expect(this.conditions, 'expected condition'); + } else if (condition) { + error("CSS guard can only be used at the end of selector"); + } else if (extendList) { + if (allExtends) { + allExtends = allExtends.concat(extendList); + } else { + allExtends = extendList; + } + } else { + if (allExtends) { error("Extend can only be used at the end of selector"); } + c = parserInput.currentChar(); + if (elements) { + elements.push(e); + } else { + elements = [ e ]; + } + e = null; + } + if (c === '{' || c === '}' || c === ';' || c === ',' || c === ')') { + break; + } + } + + if (elements) { return new(tree.Selector)(elements, allExtends, condition, index, fileInfo); } + if (allExtends) { error("Extend must be used to extend a selector, it cannot be used on its own"); } + }, + attribute: function () { + if (! parserInput.$char('[')) { return; } + + var entities = this.entities, + key, val, op; + + if (!(key = entities.variableCurly())) { + key = expect(/^(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\.)+/); + } + + op = parserInput.$re(/^[|~*$^]?=/); + if (op) { + val = entities.quoted() || parserInput.$re(/^[0-9]+%/) || parserInput.$re(/^[\w-]+/) || entities.variableCurly(); + } + + expectChar(']'); + + return new(tree.Attribute)(key, op, val); + }, + + // + // The `block` rule is used by `ruleset` and `mixin.definition`. + // It's a wrapper around the `primary` rule, with added `{}`. + // + block: function () { + var content; + if (parserInput.$char('{') && (content = this.primary()) && parserInput.$char('}')) { + return content; + } + }, + + blockRuleset: function() { + var block = this.block(); + + if (block) { + block = new tree.Ruleset(null, block); + } + return block; + }, + + detachedRuleset: function() { + var blockRuleset = this.blockRuleset(); + if (blockRuleset) { + return new tree.DetachedRuleset(blockRuleset); + } + }, + + // + // div, .class, body > p {...} + // + ruleset: function () { + var selectors, s, rules, debugInfo; + + parserInput.save(); + + if (context.dumpLineNumbers) { + debugInfo = getDebugInfo(parserInput.i); + } + + while (true) { + s = this.lessSelector(); + if (!s) { + break; + } + if (selectors) { + selectors.push(s); + } else { + selectors = [ s ]; + } + parserInput.commentStore.length = 0; + if (s.condition && selectors.length > 1) { + error("Guards are only currently allowed on a single selector."); + } + if (! parserInput.$char(',')) { break; } + if (s.condition) { + error("Guards are only currently allowed on a single selector."); + } + parserInput.commentStore.length = 0; + } + + if (selectors && (rules = this.block())) { + parserInput.forget(); + var ruleset = new(tree.Ruleset)(selectors, rules, context.strictImports); + if (context.dumpLineNumbers) { + ruleset.debugInfo = debugInfo; + } + return ruleset; + } else { + parserInput.restore(); + } + }, + rule: function (tryAnonymous) { + var name, value, startOfRule = parserInput.i, c = parserInput.currentChar(), important, merge, isVariable; + + if (c === '.' || c === '#' || c === '&' || c === ':') { return; } + + parserInput.save(); + + name = this.variable() || this.ruleProperty(); + if (name) { + isVariable = typeof name === "string"; + + if (isVariable) { + value = this.detachedRuleset(); + } + + parserInput.commentStore.length = 0; + if (!value) { + // a name returned by this.ruleProperty() is always an array of the form: + // [string-1, ..., string-n, ""] or [string-1, ..., string-n, "+"] + // where each item is a tree.Keyword or tree.Variable + merge = !isVariable && name.length > 1 && name.pop().value; + + // prefer to try to parse first if its a variable or we are compressing + // but always fallback on the other one + var tryValueFirst = !tryAnonymous && (context.compress || isVariable); + + if (tryValueFirst) { + value = this.value(); + } + if (!value) { + value = this.anonymousValue(); + if (value) { + parserInput.forget(); + // anonymous values absorb the end ';' which is required for them to work + return new (tree.Rule)(name, value, false, merge, startOfRule, fileInfo); + } + } + if (!tryValueFirst && !value) { + value = this.value(); + } + + important = this.important(); + } + + if (value && this.end()) { + parserInput.forget(); + return new (tree.Rule)(name, value, important, merge, startOfRule, fileInfo); + } else { + parserInput.restore(); + if (value && !tryAnonymous) { + return this.rule(true); + } + } + } else { + parserInput.forget(); + } + }, + anonymousValue: function () { + var match = parserInput.$re(/^([^@+\/'"*`(;{}-]*);/); + if (match) { + return new(tree.Anonymous)(match[1]); + } + }, + + // + // An @import directive + // + // @import "lib"; + // + // Depending on our environment, importing is done differently: + // In the browser, it's an XHR request, in Node, it would be a + // file-system operation. The function used for importing is + // stored in `import`, which we pass to the Import constructor. + // + "import": function () { + var path, features, index = parserInput.i; + + var dir = parserInput.$re(/^@import?\s+/); + + if (dir) { + var options = (dir ? this.importOptions() : null) || {}; + + if ((path = this.entities.quoted() || this.entities.url())) { + features = this.mediaFeatures(); + + if (!parserInput.$char(';')) { + parserInput.i = index; + error("missing semi-colon or unrecognised media features on import"); + } + features = features && new(tree.Value)(features); + return new(tree.Import)(path, features, options, index, fileInfo); + } + else { + parserInput.i = index; + error("malformed import statement"); + } + } + }, + + importOptions: function() { + var o, options = {}, optionName, value; + + // list of options, surrounded by parens + if (! parserInput.$char('(')) { return null; } + do { + o = this.importOption(); + if (o) { + optionName = o; + value = true; + switch(optionName) { + case "css": + optionName = "less"; + value = false; + break; + case "once": + optionName = "multiple"; + value = false; + break; + } + options[optionName] = value; + if (! parserInput.$char(',')) { break; } + } + } while (o); + expectChar(')'); + return options; + }, + + importOption: function() { + var opt = parserInput.$re(/^(less|css|multiple|once|inline|reference|optional)/); + if (opt) { + return opt[1]; + } + }, + + mediaFeature: function () { + var entities = this.entities, nodes = [], e, p; + parserInput.save(); + do { + e = entities.keyword() || entities.variable(); + if (e) { + nodes.push(e); + } else if (parserInput.$char('(')) { + p = this.property(); + e = this.value(); + if (parserInput.$char(')')) { + if (p && e) { + nodes.push(new(tree.Paren)(new(tree.Rule)(p, e, null, null, parserInput.i, fileInfo, true))); + } else if (e) { + nodes.push(new(tree.Paren)(e)); + } else { + error("badly formed media feature definition"); + } + } else { + error("Missing closing ')'", "Parse"); + } + } + } while (e); + + parserInput.forget(); + if (nodes.length > 0) { + return new(tree.Expression)(nodes); + } + }, + + mediaFeatures: function () { + var entities = this.entities, features = [], e; + do { + e = this.mediaFeature(); + if (e) { + features.push(e); + if (! parserInput.$char(',')) { break; } + } else { + e = entities.variable(); + if (e) { + features.push(e); + if (! parserInput.$char(',')) { break; } + } + } + } while (e); + + return features.length > 0 ? features : null; + }, + + media: function () { + var features, rules, media, debugInfo, index = parserInput.i; + + if (context.dumpLineNumbers) { + debugInfo = getDebugInfo(index); + } + + parserInput.save(); + + if (parserInput.$str("@media")) { + features = this.mediaFeatures(); + + rules = this.block(); + + if (!rules) { + error("media definitions require block statements after any features"); + } + + parserInput.forget(); + + media = new(tree.Media)(rules, features, index, fileInfo); + if (context.dumpLineNumbers) { + media.debugInfo = debugInfo; + } + + return media; + } + + parserInput.restore(); + }, + + // + // A @plugin directive, used to import compiler extensions dynamically. + // + // @plugin "lib"; + // + // Depending on our environment, importing is done differently: + // In the browser, it's an XHR request, in Node, it would be a + // file-system operation. The function used for importing is + // stored in `import`, which we pass to the Import constructor. + // + plugin: function () { + var path, + index = parserInput.i, + dir = parserInput.$re(/^@plugin?\s+/); + + if (dir) { + var options = { plugin : true }; + + if ((path = this.entities.quoted() || this.entities.url())) { + + if (!parserInput.$char(';')) { + parserInput.i = index; + error("missing semi-colon on plugin"); + } + + return new(tree.Import)(path, null, options, index, fileInfo); + } + else { + parserInput.i = index; + error("malformed plugin statement"); + } + } + }, + + // + // A CSS Directive + // + // @charset "utf-8"; + // + directive: function () { + var index = parserInput.i, name, value, rules, nonVendorSpecificName, + hasIdentifier, hasExpression, hasUnknown, hasBlock = true, isRooted = true; + + if (parserInput.currentChar() !== '@') { return; } + + value = this['import']() || this.plugin() || this.media(); + if (value) { + return value; + } + + parserInput.save(); + + name = parserInput.$re(/^@[a-z-]+/); + + if (!name) { return; } + + nonVendorSpecificName = name; + if (name.charAt(1) == '-' && name.indexOf('-', 2) > 0) { + nonVendorSpecificName = "@" + name.slice(name.indexOf('-', 2) + 1); + } + + switch(nonVendorSpecificName) { + case "@charset": + hasIdentifier = true; + hasBlock = false; + break; + case "@namespace": + hasExpression = true; + hasBlock = false; + break; + case "@keyframes": + case "@counter-style": + hasIdentifier = true; + break; + case "@document": + case "@supports": + hasUnknown = true; + isRooted = false; + break; + default: + hasUnknown = true; + break; + } + + parserInput.commentStore.length = 0; + + if (hasIdentifier) { + value = this.entity(); + if (!value) { + error("expected " + name + " identifier"); + } + } else if (hasExpression) { + value = this.expression(); + if (!value) { + error("expected " + name + " expression"); + } + } else if (hasUnknown) { + value = (parserInput.$re(/^[^{;]+/) || '').trim(); + hasBlock = (parserInput.currentChar() == '{'); + if (value) { + value = new(tree.Anonymous)(value); + } + } + + if (hasBlock) { + rules = this.blockRuleset(); + } + + if (rules || (!hasBlock && value && parserInput.$char(';'))) { + parserInput.forget(); + return new (tree.Directive)(name, value, rules, index, fileInfo, + context.dumpLineNumbers ? getDebugInfo(index) : null, + isRooted + ); + } + + parserInput.restore("directive options not recognised"); + }, + + // + // A Value is a comma-delimited list of Expressions + // + // font-family: Baskerville, Georgia, serif; + // + // In a Rule, a Value represents everything after the `:`, + // and before the `;`. + // + value: function () { + var e, expressions = []; + + do { + e = this.expression(); + if (e) { + expressions.push(e); + if (! parserInput.$char(',')) { break; } + } + } while (e); + + if (expressions.length > 0) { + return new(tree.Value)(expressions); + } + }, + important: function () { + if (parserInput.currentChar() === '!') { + return parserInput.$re(/^! *important/); + } + }, + sub: function () { + var a, e; + + parserInput.save(); + if (parserInput.$char('(')) { + a = this.addition(); + if (a && parserInput.$char(')')) { + parserInput.forget(); + e = new(tree.Expression)([a]); + e.parens = true; + return e; + } + parserInput.restore("Expected ')'"); + return; + } + parserInput.restore(); + }, + multiplication: function () { + var m, a, op, operation, isSpaced; + m = this.operand(); + if (m) { + isSpaced = parserInput.isWhitespace(-1); + while (true) { + if (parserInput.peek(/^\/[*\/]/)) { + break; + } + + parserInput.save(); + + op = parserInput.$char('/') || parserInput.$char('*'); + + if (!op) { parserInput.forget(); break; } + + a = this.operand(); + + if (!a) { parserInput.restore(); break; } + parserInput.forget(); + + m.parensInOp = true; + a.parensInOp = true; + operation = new(tree.Operation)(op, [operation || m, a], isSpaced); + isSpaced = parserInput.isWhitespace(-1); + } + return operation || m; + } + }, + addition: function () { + var m, a, op, operation, isSpaced; + m = this.multiplication(); + if (m) { + isSpaced = parserInput.isWhitespace(-1); + while (true) { + op = parserInput.$re(/^[-+]\s+/) || (!isSpaced && (parserInput.$char('+') || parserInput.$char('-'))); + if (!op) { + break; + } + a = this.multiplication(); + if (!a) { + break; + } + + m.parensInOp = true; + a.parensInOp = true; + operation = new(tree.Operation)(op, [operation || m, a], isSpaced); + isSpaced = parserInput.isWhitespace(-1); + } + return operation || m; + } + }, + conditions: function () { + var a, b, index = parserInput.i, condition; + + a = this.condition(); + if (a) { + while (true) { + if (!parserInput.peek(/^,\s*(not\s*)?\(/) || !parserInput.$char(',')) { + break; + } + b = this.condition(); + if (!b) { + break; + } + condition = new(tree.Condition)('or', condition || a, b, index); + } + return condition || a; + } + }, + condition: function () { + var result, logical, next; + function or() { + return parserInput.$str("or"); + } + + result = this.conditionAnd(this); + if (!result) { + return ; + } + logical = or(); + if (logical) { + next = this.condition(); + if (next) { + result = new(tree.Condition)(logical, result, next); + } else { + return ; + } + } + return result; + }, + conditionAnd: function () { + var result, logical, next; + function insideCondition(me) { + return me.negatedCondition() || me.parenthesisCondition(); + } + function and() { + return parserInput.$str("and"); + } + + result = insideCondition(this); + if (!result) { + return ; + } + logical = and(); + if (logical) { + next = this.conditionAnd(); + if (next) { + result = new(tree.Condition)(logical, result, next); + } else { + return ; + } + } + return result; + }, + negatedCondition: function () { + if (parserInput.$str("not")) { + var result = this.parenthesisCondition(); + if (result) { + result.negate = !result.negate; + } + return result; + } + }, + parenthesisCondition: function () { + function tryConditionFollowedByParenthesis(me) { + var body; + parserInput.save(); + body = me.condition(); + if (!body) { + parserInput.restore(); + return ; + } + if (!parserInput.$char(')')) { + parserInput.restore(); + return ; + } + parserInput.forget(); + return body; + } + + var body; + parserInput.save(); + if (!parserInput.$str("(")) { + parserInput.restore(); + return ; + } + body = tryConditionFollowedByParenthesis(this); + if (body) { + parserInput.forget(); + return body; + } + + body = this.atomicCondition(); + if (!body) { + parserInput.restore(); + return ; + } + if (!parserInput.$char(')')) { + parserInput.restore("expected ')' got '" + parserInput.currentChar() + "'"); + return ; + } + parserInput.forget(); + return body; + }, + atomicCondition: function () { + var entities = this.entities, index = parserInput.i, a, b, c, op; + + a = this.addition() || entities.keyword() || entities.quoted(); + if (a) { + if (parserInput.$char('>')) { + if (parserInput.$char('=')) { + op = ">="; + } else { + op = '>'; + } + } else + if (parserInput.$char('<')) { + if (parserInput.$char('=')) { + op = "<="; + } else { + op = '<'; + } + } else + if (parserInput.$char('=')) { + if (parserInput.$char('>')) { + op = "=>"; + } else if (parserInput.$char('<')) { + op = '=<'; + } else { + op = '='; + } + } + if (op) { + b = this.addition() || entities.keyword() || entities.quoted(); + if (b) { + c = new(tree.Condition)(op, a, b, index, false); + } else { + error('expected expression'); + } + } else { + c = new(tree.Condition)('=', a, new(tree.Keyword)('true'), index, false); + } + return c; + } + }, + + // + // An operand is anything that can be part of an operation, + // such as a Color, or a Variable + // + operand: function () { + var entities = this.entities, negate; + + if (parserInput.peek(/^-[@\(]/)) { + negate = parserInput.$char('-'); + } + + var o = this.sub() || entities.dimension() || + entities.color() || entities.variable() || + entities.call() || entities.colorKeyword(); + + if (negate) { + o.parensInOp = true; + o = new(tree.Negative)(o); + } + + return o; + }, + + // + // Expressions either represent mathematical operations, + // or white-space delimited Entities. + // + // 1px solid black + // @var * 2 + // + expression: function () { + var entities = [], e, delim; + + do { + e = this.comment(); + if (e) { + entities.push(e); + continue; + } + e = this.addition() || this.entity(); + if (e) { + entities.push(e); + // operations do not allow keyword "/" dimension (e.g. small/20px) so we support that here + if (!parserInput.peek(/^\/[\/*]/)) { + delim = parserInput.$char('/'); + if (delim) { + entities.push(new(tree.Anonymous)(delim)); + } + } + } + } while (e); + if (entities.length > 0) { + return new(tree.Expression)(entities); + } + }, + property: function () { + var name = parserInput.$re(/^(\*?-?[_a-zA-Z0-9-]+)\s*:/); + if (name) { + return name[1]; + } + }, + ruleProperty: function () { + var name = [], index = [], s, k; + + parserInput.save(); + + var simpleProperty = parserInput.$re(/^([_a-zA-Z0-9-]+)\s*:/); + if (simpleProperty) { + name = [new(tree.Keyword)(simpleProperty[1])]; + parserInput.forget(); + return name; + } + + function match(re) { + var i = parserInput.i, + chunk = parserInput.$re(re); + if (chunk) { + index.push(i); + return name.push(chunk[1]); + } + } + + match(/^(\*?)/); + while (true) { + if (!match(/^((?:[\w-]+)|(?:@\{[\w-]+\}))/)) { + break; + } + } + + if ((name.length > 1) && match(/^((?:\+_|\+)?)\s*:/)) { + parserInput.forget(); + + // at last, we have the complete match now. move forward, + // convert name particles to tree objects and return: + if (name[0] === '') { + name.shift(); + index.shift(); + } + for (k = 0; k < name.length; k++) { + s = name[k]; + name[k] = (s.charAt(0) !== '@') ? + new(tree.Keyword)(s) : + new(tree.Variable)('@' + s.slice(2, -1), + index[k], fileInfo); + } + return name; + } + parserInput.restore(); + } + } + }; +}; +Parser.serializeVars = function(vars) { + var s = ''; + + for (var name in vars) { + if (Object.hasOwnProperty.call(vars, name)) { + var value = vars[name]; + s += ((name[0] === '@') ? '' : '@') + name + ': ' + value + + ((String(value).slice(-1) === ';') ? '' : ';'); + } + } + + return s; +}; + +module.exports = Parser; + +},{"../less-error":32,"../tree":62,"../utils":83,"../visitors":87,"./parser-input":37}],39:[function(require,module,exports){ +/** + * Plugin Manager + */ +var PluginManager = function(less) { + this.less = less; + this.visitors = []; + this.preProcessors = []; + this.postProcessors = []; + this.installedPlugins = []; + this.fileManagers = []; +}; +/** + * Adds all the plugins in the array + * @param {Array} plugins + */ +PluginManager.prototype.addPlugins = function(plugins) { + if (plugins) { + for (var i = 0; i < plugins.length; i++) { + this.addPlugin(plugins[i]); + } + } +}; +/** + * + * @param plugin + */ +PluginManager.prototype.addPlugin = function(plugin) { + this.installedPlugins.push(plugin); + plugin.install(this.less, this); +}; +/** + * Adds a visitor. The visitor object has options on itself to determine + * when it should run. + * @param visitor + */ +PluginManager.prototype.addVisitor = function(visitor) { + this.visitors.push(visitor); +}; +/** + * Adds a pre processor object + * @param {object} preProcessor + * @param {number} priority - guidelines 1 = before import, 1000 = import, 2000 = after import + */ +PluginManager.prototype.addPreProcessor = function(preProcessor, priority) { + var indexToInsertAt; + for (indexToInsertAt = 0; indexToInsertAt < this.preProcessors.length; indexToInsertAt++) { + if (this.preProcessors[indexToInsertAt].priority >= priority) { + break; + } + } + this.preProcessors.splice(indexToInsertAt, 0, {preProcessor: preProcessor, priority: priority}); +}; +/** + * Adds a post processor object + * @param {object} postProcessor + * @param {number} priority - guidelines 1 = before compression, 1000 = compression, 2000 = after compression + */ +PluginManager.prototype.addPostProcessor = function(postProcessor, priority) { + var indexToInsertAt; + for (indexToInsertAt = 0; indexToInsertAt < this.postProcessors.length; indexToInsertAt++) { + if (this.postProcessors[indexToInsertAt].priority >= priority) { + break; + } + } + this.postProcessors.splice(indexToInsertAt, 0, {postProcessor: postProcessor, priority: priority}); +}; +/** + * + * @param manager + */ +PluginManager.prototype.addFileManager = function(manager) { + this.fileManagers.push(manager); +}; +/** + * + * @returns {Array} + * @private + */ +PluginManager.prototype.getPreProcessors = function() { + var preProcessors = []; + for (var i = 0; i < this.preProcessors.length; i++) { + preProcessors.push(this.preProcessors[i].preProcessor); + } + return preProcessors; +}; +/** + * + * @returns {Array} + * @private + */ +PluginManager.prototype.getPostProcessors = function() { + var postProcessors = []; + for (var i = 0; i < this.postProcessors.length; i++) { + postProcessors.push(this.postProcessors[i].postProcessor); + } + return postProcessors; +}; +/** + * + * @returns {Array} + * @private + */ +PluginManager.prototype.getVisitors = function() { + return this.visitors; +}; +/** + * + * @returns {Array} + * @private + */ +PluginManager.prototype.getFileManagers = function() { + return this.fileManagers; +}; +module.exports = PluginManager; + +},{}],40:[function(require,module,exports){ +var LessError = require('../less-error'), + tree = require("../tree"); + +var FunctionImporter = module.exports = function FunctionImporter(context, fileInfo) { + this.fileInfo = fileInfo; +}; + +FunctionImporter.prototype.eval = function(contents, callback) { + var loaded = {}, + loader, + registry; + + registry = { + add: function(name, func) { + loaded[name] = func; + }, + addMultiple: function(functions) { + Object.keys(functions).forEach(function(name) { + loaded[name] = functions[name]; + }); + } + }; + + try { + loader = new Function("functions", "tree", "fileInfo", contents); + loader(registry, tree, this.fileInfo); + } catch(e) { + callback(new LessError({ + message: "Plugin evaluation error: '" + e.name + ': ' + e.message.replace(/["]/g, "'") + "'" , + filename: this.fileInfo.filename + }), null ); + } + + callback(null, { functions: loaded }); +}; + +},{"../less-error":32,"../tree":62}],41:[function(require,module,exports){ +var PromiseConstructor; + +module.exports = function(environment, ParseTree, ImportManager) { + var render = function (input, options, callback) { + if (typeof options === 'function') { + callback = options; + options = {}; + } + + if (!callback) { + if (!PromiseConstructor) { + PromiseConstructor = typeof Promise === 'undefined' ? require('promise') : Promise; + } + var self = this; + return new PromiseConstructor(function (resolve, reject) { + render.call(self, input, options, function(err, output) { + if (err) { + reject(err); + } else { + resolve(output); + } + }); + }); + } else { + this.parse(input, options, function(err, root, imports, options) { + if (err) { return callback(err); } + + var result; + try { + var parseTree = new ParseTree(root, imports); + result = parseTree.toCSS(options); + } + catch (err) { return callback(err); } + + callback(null, result); + }); + } + }; + + return render; +}; + +},{"promise":undefined}],42:[function(require,module,exports){ +module.exports = function (SourceMapOutput, environment) { + + var SourceMapBuilder = function (options) { + this.options = options; + }; + + SourceMapBuilder.prototype.toCSS = function(rootNode, options, imports) { + var sourceMapOutput = new SourceMapOutput( + { + contentsIgnoredCharsMap: imports.contentsIgnoredChars, + rootNode: rootNode, + contentsMap: imports.contents, + sourceMapFilename: this.options.sourceMapFilename, + sourceMapURL: this.options.sourceMapURL, + outputFilename: this.options.sourceMapOutputFilename, + sourceMapBasepath: this.options.sourceMapBasepath, + sourceMapRootpath: this.options.sourceMapRootpath, + outputSourceFiles: this.options.outputSourceFiles, + sourceMapGenerator: this.options.sourceMapGenerator, + sourceMapFileInline: this.options.sourceMapFileInline + }); + + var css = sourceMapOutput.toCSS(options); + this.sourceMap = sourceMapOutput.sourceMap; + this.sourceMapURL = sourceMapOutput.sourceMapURL; + if (this.options.sourceMapInputFilename) { + this.sourceMapInputFilename = sourceMapOutput.normalizeFilename(this.options.sourceMapInputFilename); + } + return css + this.getCSSAppendage(); + }; + + SourceMapBuilder.prototype.getCSSAppendage = function() { + + var sourceMapURL = this.sourceMapURL; + if (this.options.sourceMapFileInline) { + if (this.sourceMap === undefined) { + return ""; + } + sourceMapURL = "data:application/json;base64," + environment.encodeBase64(this.sourceMap); + } + + if (sourceMapURL) { + return "/*# sourceMappingURL=" + sourceMapURL + " */"; + } + return ""; + }; + + SourceMapBuilder.prototype.getExternalSourceMap = function() { + return this.sourceMap; + }; + SourceMapBuilder.prototype.setExternalSourceMap = function(sourceMap) { + this.sourceMap = sourceMap; + }; + + SourceMapBuilder.prototype.isInline = function() { + return this.options.sourceMapFileInline; + }; + SourceMapBuilder.prototype.getSourceMapURL = function() { + return this.sourceMapURL; + }; + SourceMapBuilder.prototype.getOutputFilename = function() { + return this.options.sourceMapOutputFilename; + }; + SourceMapBuilder.prototype.getInputFilename = function() { + return this.sourceMapInputFilename; + }; + + return SourceMapBuilder; +}; + +},{}],43:[function(require,module,exports){ +module.exports = function (environment) { + + var SourceMapOutput = function (options) { + this._css = []; + this._rootNode = options.rootNode; + this._contentsMap = options.contentsMap; + this._contentsIgnoredCharsMap = options.contentsIgnoredCharsMap; + if (options.sourceMapFilename) { + this._sourceMapFilename = options.sourceMapFilename.replace(/\\/g, '/'); + } + this._outputFilename = options.outputFilename; + this.sourceMapURL = options.sourceMapURL; + if (options.sourceMapBasepath) { + this._sourceMapBasepath = options.sourceMapBasepath.replace(/\\/g, '/'); + } + if (options.sourceMapRootpath) { + this._sourceMapRootpath = options.sourceMapRootpath.replace(/\\/g, '/'); + if (this._sourceMapRootpath.charAt(this._sourceMapRootpath.length - 1) !== '/') { + this._sourceMapRootpath += '/'; + } + } else { + this._sourceMapRootpath = ""; + } + this._outputSourceFiles = options.outputSourceFiles; + this._sourceMapGeneratorConstructor = environment.getSourceMapGenerator(); + + this._lineNumber = 0; + this._column = 0; + }; + + SourceMapOutput.prototype.normalizeFilename = function(filename) { + filename = filename.replace(/\\/g, '/'); + + if (this._sourceMapBasepath && filename.indexOf(this._sourceMapBasepath) === 0) { + filename = filename.substring(this._sourceMapBasepath.length); + if (filename.charAt(0) === '\\' || filename.charAt(0) === '/') { + filename = filename.substring(1); + } + } + return (this._sourceMapRootpath || "") + filename; + }; + + SourceMapOutput.prototype.add = function(chunk, fileInfo, index, mapLines) { + + //ignore adding empty strings + if (!chunk) { + return; + } + + var lines, + sourceLines, + columns, + sourceColumns, + i; + + if (fileInfo) { + var inputSource = this._contentsMap[fileInfo.filename]; + + // remove vars/banner added to the top of the file + if (this._contentsIgnoredCharsMap[fileInfo.filename]) { + // adjust the index + index -= this._contentsIgnoredCharsMap[fileInfo.filename]; + if (index < 0) { index = 0; } + // adjust the source + inputSource = inputSource.slice(this._contentsIgnoredCharsMap[fileInfo.filename]); + } + inputSource = inputSource.substring(0, index); + sourceLines = inputSource.split("\n"); + sourceColumns = sourceLines[sourceLines.length - 1]; + } + + lines = chunk.split("\n"); + columns = lines[lines.length - 1]; + + if (fileInfo) { + if (!mapLines) { + this._sourceMapGenerator.addMapping({ generated: { line: this._lineNumber + 1, column: this._column}, + original: { line: sourceLines.length, column: sourceColumns.length}, + source: this.normalizeFilename(fileInfo.filename)}); + } else { + for (i = 0; i < lines.length; i++) { + this._sourceMapGenerator.addMapping({ generated: { line: this._lineNumber + i + 1, column: i === 0 ? this._column : 0}, + original: { line: sourceLines.length + i, column: i === 0 ? sourceColumns.length : 0}, + source: this.normalizeFilename(fileInfo.filename)}); + } + } + } + + if (lines.length === 1) { + this._column += columns.length; + } else { + this._lineNumber += lines.length - 1; + this._column = columns.length; + } + + this._css.push(chunk); + }; + + SourceMapOutput.prototype.isEmpty = function() { + return this._css.length === 0; + }; + + SourceMapOutput.prototype.toCSS = function(context) { + this._sourceMapGenerator = new this._sourceMapGeneratorConstructor({ file: this._outputFilename, sourceRoot: null }); + + if (this._outputSourceFiles) { + for (var filename in this._contentsMap) { + if (this._contentsMap.hasOwnProperty(filename)) { + var source = this._contentsMap[filename]; + if (this._contentsIgnoredCharsMap[filename]) { + source = source.slice(this._contentsIgnoredCharsMap[filename]); + } + this._sourceMapGenerator.setSourceContent(this.normalizeFilename(filename), source); + } + } + } + + this._rootNode.genCSS(context, this); + + if (this._css.length > 0) { + var sourceMapURL, + sourceMapContent = JSON.stringify(this._sourceMapGenerator.toJSON()); + + if (this.sourceMapURL) { + sourceMapURL = this.sourceMapURL; + } else if (this._sourceMapFilename) { + sourceMapURL = this._sourceMapFilename; + } + this.sourceMapURL = sourceMapURL; + + this.sourceMap = sourceMapContent; + } + + return this._css.join(''); + }; + + return SourceMapOutput; +}; + +},{}],44:[function(require,module,exports){ +var contexts = require("./contexts"), + visitor = require("./visitors"), + tree = require("./tree"); + +module.exports = function(root, options) { + options = options || {}; + var evaldRoot, + variables = options.variables, + evalEnv = new contexts.Eval(options); + + // + // Allows setting variables with a hash, so: + // + // `{ color: new tree.Color('#f01') }` will become: + // + // new tree.Rule('@color', + // new tree.Value([ + // new tree.Expression([ + // new tree.Color('#f01') + // ]) + // ]) + // ) + // + if (typeof variables === 'object' && !Array.isArray(variables)) { + variables = Object.keys(variables).map(function (k) { + var value = variables[k]; + + if (! (value instanceof tree.Value)) { + if (! (value instanceof tree.Expression)) { + value = new tree.Expression([value]); + } + value = new tree.Value([value]); + } + return new tree.Rule('@' + k, value, false, null, 0); + }); + evalEnv.frames = [new tree.Ruleset(null, variables)]; + } + + var preEvalVisitors = [], + visitors = [ + new visitor.JoinSelectorVisitor(), + new visitor.MarkVisibleSelectorsVisitor(true), + new visitor.ExtendVisitor(), + new visitor.ToCSSVisitor({compress: Boolean(options.compress)}) + ], i; + + if (options.pluginManager) { + var pluginVisitors = options.pluginManager.getVisitors(); + for (i = 0; i < pluginVisitors.length; i++) { + var pluginVisitor = pluginVisitors[i]; + if (pluginVisitor.isPreEvalVisitor) { + preEvalVisitors.push(pluginVisitor); + } else { + if (pluginVisitor.isPreVisitor) { + visitors.splice(0, 0, pluginVisitor); + } else { + visitors.push(pluginVisitor); + } + } + } + } + + for (i = 0; i < preEvalVisitors.length; i++) { + preEvalVisitors[i].run(root); + } + + evaldRoot = root.eval(evalEnv); + + for (i = 0; i < visitors.length; i++) { + visitors[i].run(evaldRoot); + } + + return evaldRoot; +}; + +},{"./contexts":11,"./tree":62,"./visitors":87}],45:[function(require,module,exports){ +var Node = require("./node"); + +var Alpha = function (val) { + this.value = val; +}; +Alpha.prototype = new Node(); +Alpha.prototype.type = "Alpha"; + +Alpha.prototype.accept = function (visitor) { + this.value = visitor.visit(this.value); +}; +Alpha.prototype.eval = function (context) { + if (this.value.eval) { return new Alpha(this.value.eval(context)); } + return this; +}; +Alpha.prototype.genCSS = function (context, output) { + output.add("alpha(opacity="); + + if (this.value.genCSS) { + this.value.genCSS(context, output); + } else { + output.add(this.value); + } + + output.add(")"); +}; + +module.exports = Alpha; + +},{"./node":70}],46:[function(require,module,exports){ +var Node = require("./node"); + +var Anonymous = function (value, index, currentFileInfo, mapLines, rulesetLike, visibilityInfo) { + this.value = value; + this.index = index; + this.mapLines = mapLines; + this.currentFileInfo = currentFileInfo; + this.rulesetLike = (typeof rulesetLike === 'undefined') ? false : rulesetLike; + this.allowRoot = true; + this.copyVisibilityInfo(visibilityInfo); +}; +Anonymous.prototype = new Node(); +Anonymous.prototype.type = "Anonymous"; +Anonymous.prototype.eval = function () { + return new Anonymous(this.value, this.index, this.currentFileInfo, this.mapLines, this.rulesetLike, this.visibilityInfo()); +}; +Anonymous.prototype.compare = function (other) { + return other.toCSS && this.toCSS() === other.toCSS() ? 0 : undefined; +}; +Anonymous.prototype.isRulesetLike = function() { + return this.rulesetLike; +}; +Anonymous.prototype.genCSS = function (context, output) { + output.add(this.value, this.currentFileInfo, this.index, this.mapLines); +}; +module.exports = Anonymous; + +},{"./node":70}],47:[function(require,module,exports){ +var Node = require("./node"); + +var Assignment = function (key, val) { + this.key = key; + this.value = val; +}; + +Assignment.prototype = new Node(); +Assignment.prototype.type = "Assignment"; +Assignment.prototype.accept = function (visitor) { + this.value = visitor.visit(this.value); +}; +Assignment.prototype.eval = function (context) { + if (this.value.eval) { + return new Assignment(this.key, this.value.eval(context)); + } + return this; +}; +Assignment.prototype.genCSS = function (context, output) { + output.add(this.key + '='); + if (this.value.genCSS) { + this.value.genCSS(context, output); + } else { + output.add(this.value); + } +}; +module.exports = Assignment; + +},{"./node":70}],48:[function(require,module,exports){ +var Node = require("./node"); + +var Attribute = function (key, op, value) { + this.key = key; + this.op = op; + this.value = value; +}; +Attribute.prototype = new Node(); +Attribute.prototype.type = "Attribute"; +Attribute.prototype.eval = function (context) { + return new Attribute(this.key.eval ? this.key.eval(context) : this.key, + this.op, (this.value && this.value.eval) ? this.value.eval(context) : this.value); +}; +Attribute.prototype.genCSS = function (context, output) { + output.add(this.toCSS(context)); +}; +Attribute.prototype.toCSS = function (context) { + var value = this.key.toCSS ? this.key.toCSS(context) : this.key; + + if (this.op) { + value += this.op; + value += (this.value.toCSS ? this.value.toCSS(context) : this.value); + } + + return '[' + value + ']'; +}; +module.exports = Attribute; + +},{"./node":70}],49:[function(require,module,exports){ +var Node = require("./node"), + FunctionCaller = require("../functions/function-caller"); +// +// A function call node. +// +var Call = function (name, args, index, currentFileInfo) { + this.name = name; + this.args = args; + this.index = index; + this.currentFileInfo = currentFileInfo; +}; +Call.prototype = new Node(); +Call.prototype.type = "Call"; +Call.prototype.accept = function (visitor) { + if (this.args) { + this.args = visitor.visitArray(this.args); + } +}; +// +// When evaluating a function call, +// we either find the function in the functionRegistry, +// in which case we call it, passing the evaluated arguments, +// if this returns null or we cannot find the function, we +// simply print it out as it appeared originally [2]. +// +// The reason why we evaluate the arguments, is in the case where +// we try to pass a variable to a function, like: `saturate(@color)`. +// The function should receive the value, not the variable. +// +Call.prototype.eval = function (context) { + var args = this.args.map(function (a) { return a.eval(context); }), + result, funcCaller = new FunctionCaller(this.name, context, this.index, this.currentFileInfo); + + if (funcCaller.isValid()) { + try { + result = funcCaller.call(args); + } catch (e) { + throw { type: e.type || "Runtime", + message: "error evaluating function `" + this.name + "`" + + (e.message ? ': ' + e.message : ''), + index: this.index, filename: this.currentFileInfo.filename }; + } + + if (result != null) { + result.index = this.index; + result.currentFileInfo = this.currentFileInfo; + return result; + } + } + + return new Call(this.name, args, this.index, this.currentFileInfo); +}; +Call.prototype.genCSS = function (context, output) { + output.add(this.name + "(", this.currentFileInfo, this.index); + + for (var i = 0; i < this.args.length; i++) { + this.args[i].genCSS(context, output); + if (i + 1 < this.args.length) { + output.add(", "); + } + } + + output.add(")"); +}; +module.exports = Call; + +},{"../functions/function-caller":21,"./node":70}],50:[function(require,module,exports){ +var Node = require("./node"), + colors = require("../data/colors"); + +// +// RGB Colors - #ff0014, #eee +// +var Color = function (rgb, a, originalForm) { + // + // The end goal here, is to parse the arguments + // into an integer triplet, such as `128, 255, 0` + // + // This facilitates operations and conversions. + // + if (Array.isArray(rgb)) { + this.rgb = rgb; + } else if (rgb.length == 6) { + this.rgb = rgb.match(/.{2}/g).map(function (c) { + return parseInt(c, 16); + }); + } else { + this.rgb = rgb.split('').map(function (c) { + return parseInt(c + c, 16); + }); + } + this.alpha = typeof a === 'number' ? a : 1; + if (typeof originalForm !== 'undefined') { + this.value = originalForm; + } +}; + +Color.prototype = new Node(); +Color.prototype.type = "Color"; + +function clamp(v, max) { + return Math.min(Math.max(v, 0), max); +} + +function toHex(v) { + return '#' + v.map(function (c) { + c = clamp(Math.round(c), 255); + return (c < 16 ? '0' : '') + c.toString(16); + }).join(''); +} + +Color.prototype.luma = function () { + var r = this.rgb[0] / 255, + g = this.rgb[1] / 255, + b = this.rgb[2] / 255; + + r = (r <= 0.03928) ? r / 12.92 : Math.pow(((r + 0.055) / 1.055), 2.4); + g = (g <= 0.03928) ? g / 12.92 : Math.pow(((g + 0.055) / 1.055), 2.4); + b = (b <= 0.03928) ? b / 12.92 : Math.pow(((b + 0.055) / 1.055), 2.4); + + return 0.2126 * r + 0.7152 * g + 0.0722 * b; +}; +Color.prototype.genCSS = function (context, output) { + output.add(this.toCSS(context)); +}; +Color.prototype.toCSS = function (context, doNotCompress) { + var compress = context && context.compress && !doNotCompress, color, alpha; + + // `value` is set if this color was originally + // converted from a named color string so we need + // to respect this and try to output named color too. + if (this.value) { + return this.value; + } + + // If we have some transparency, the only way to represent it + // is via `rgba`. Otherwise, we use the hex representation, + // which has better compatibility with older browsers. + // Values are capped between `0` and `255`, rounded and zero-padded. + alpha = this.fround(context, this.alpha); + if (alpha < 1) { + return "rgba(" + this.rgb.map(function (c) { + return clamp(Math.round(c), 255); + }).concat(clamp(alpha, 1)) + .join(',' + (compress ? '' : ' ')) + ")"; + } + + color = this.toRGB(); + + if (compress) { + var splitcolor = color.split(''); + + // Convert color to short format + if (splitcolor[1] === splitcolor[2] && splitcolor[3] === splitcolor[4] && splitcolor[5] === splitcolor[6]) { + color = '#' + splitcolor[1] + splitcolor[3] + splitcolor[5]; + } + } + + return color; +}; + +// +// Operations have to be done per-channel, if not, +// channels will spill onto each other. Once we have +// our result, in the form of an integer triplet, +// we create a new Color node to hold the result. +// +Color.prototype.operate = function (context, op, other) { + var rgb = []; + var alpha = this.alpha * (1 - other.alpha) + other.alpha; + for (var c = 0; c < 3; c++) { + rgb[c] = this._operate(context, op, this.rgb[c], other.rgb[c]); + } + return new Color(rgb, alpha); +}; +Color.prototype.toRGB = function () { + return toHex(this.rgb); +}; +Color.prototype.toHSL = function () { + var r = this.rgb[0] / 255, + g = this.rgb[1] / 255, + b = this.rgb[2] / 255, + a = this.alpha; + + var max = Math.max(r, g, b), min = Math.min(r, g, b); + var h, s, l = (max + min) / 2, d = max - min; + + if (max === min) { + h = s = 0; + } else { + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + + switch (max) { + case r: h = (g - b) / d + (g < b ? 6 : 0); break; + case g: h = (b - r) / d + 2; break; + case b: h = (r - g) / d + 4; break; + } + h /= 6; + } + return { h: h * 360, s: s, l: l, a: a }; +}; +Color.prototype.toHCG = function () { + var r = this.rgb[0] / 255, + g = this.rgb[1] / 255, + b = this.rgb[2] / 255, + a = this.alpha; + + var max = Math.max(r, g, b), min = Math.min(r, g, b); + var c = (max - min), gr = 0, h = 0; + + if (c < 1) { gr = min / (1 - c); } + + if (c > 0) { + switch (max) { + case r: h = (g - b) / c + (g < b ? 6 : 0); break; + case g: h = (b - r) / c + 2; break; + case b: h = (r - g) / c + 4; break; + } + h /= 6; + } + + return {h: h * 360, c: c, g: gr, a: a}; +}; +//Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript +Color.prototype.toHSV = function () { + var r = this.rgb[0] / 255, + g = this.rgb[1] / 255, + b = this.rgb[2] / 255, + a = this.alpha; + + var max = Math.max(r, g, b), min = Math.min(r, g, b); + var h, s, v = max; + + var d = max - min; + if (max === 0) { + s = 0; + } else { + s = d / max; + } + + if (max === min) { + h = 0; + } else { + switch(max) { + case r: h = (g - b) / d + (g < b ? 6 : 0); break; + case g: h = (b - r) / d + 2; break; + case b: h = (r - g) / d + 4; break; + } + h /= 6; + } + return { h: h * 360, s: s, v: v, a: a }; +}; +Color.prototype.toARGB = function () { + return toHex([this.alpha * 255].concat(this.rgb)); +}; +Color.prototype.compare = function (x) { + return (x.rgb && + x.rgb[0] === this.rgb[0] && + x.rgb[1] === this.rgb[1] && + x.rgb[2] === this.rgb[2] && + x.alpha === this.alpha) ? 0 : undefined; +}; + +Color.fromKeyword = function(keyword) { + var c, key = keyword.toLowerCase(); + if (colors.hasOwnProperty(key)) { + c = new Color(colors[key].slice(1)); + } + else if (key === "transparent") { + c = new Color([0, 0, 0], 0); + } + + if (c) { + c.value = keyword; + return c; + } +}; +module.exports = Color; + +},{"../data/colors":12,"./node":70}],51:[function(require,module,exports){ +var Node = require("./node"); + +var Combinator = function (value) { + if (value === ' ') { + this.value = ' '; + this.emptyOrWhitespace = true; + } else { + this.value = value ? value.trim() : ""; + this.emptyOrWhitespace = this.value === ""; + } +}; +Combinator.prototype = new Node(); +Combinator.prototype.type = "Combinator"; +var _noSpaceCombinators = { + '': true, + ' ': true, + '|': true +}; +Combinator.prototype.genCSS = function (context, output) { + var spaceOrEmpty = (context.compress || _noSpaceCombinators[this.value]) ? '' : ' '; + output.add(spaceOrEmpty + this.value + spaceOrEmpty); +}; +module.exports = Combinator; + +},{"./node":70}],52:[function(require,module,exports){ +var Node = require("./node"), + getDebugInfo = require("./debug-info"); + +var Comment = function (value, isLineComment, index, currentFileInfo) { + this.value = value; + this.isLineComment = isLineComment; + this.index = index; + this.currentFileInfo = currentFileInfo; + this.allowRoot = true; +}; +Comment.prototype = new Node(); +Comment.prototype.type = "Comment"; +Comment.prototype.genCSS = function (context, output) { + if (this.debugInfo) { + output.add(getDebugInfo(context, this), this.currentFileInfo, this.index); + } + output.add(this.value); +}; +Comment.prototype.isSilent = function(context) { + var isCompressed = context.compress && this.value[2] !== "!"; + return this.isLineComment || isCompressed; +}; +module.exports = Comment; + +},{"./debug-info":54,"./node":70}],53:[function(require,module,exports){ +var Node = require("./node"); + +var Condition = function (op, l, r, i, negate) { + this.op = op.trim(); + this.lvalue = l; + this.rvalue = r; + this.index = i; + this.negate = negate; +}; +Condition.prototype = new Node(); +Condition.prototype.type = "Condition"; +Condition.prototype.accept = function (visitor) { + this.lvalue = visitor.visit(this.lvalue); + this.rvalue = visitor.visit(this.rvalue); +}; +Condition.prototype.eval = function (context) { + var result = (function (op, a, b) { + switch (op) { + case 'and': return a && b; + case 'or': return a || b; + default: + switch (Node.compare(a, b)) { + case -1: + return op === '<' || op === '=<' || op === '<='; + case 0: + return op === '=' || op === '>=' || op === '=<' || op === '<='; + case 1: + return op === '>' || op === '>='; + default: + return false; + } + } + })(this.op, this.lvalue.eval(context), this.rvalue.eval(context)); + + return this.negate ? !result : result; +}; +module.exports = Condition; + +},{"./node":70}],54:[function(require,module,exports){ +var debugInfo = function(context, ctx, lineSeparator) { + var result = ""; + if (context.dumpLineNumbers && !context.compress) { + switch(context.dumpLineNumbers) { + case 'comments': + result = debugInfo.asComment(ctx); + break; + case 'mediaquery': + result = debugInfo.asMediaQuery(ctx); + break; + case 'all': + result = debugInfo.asComment(ctx) + (lineSeparator || "") + debugInfo.asMediaQuery(ctx); + break; + } + } + return result; +}; + +debugInfo.asComment = function(ctx) { + return '/* line ' + ctx.debugInfo.lineNumber + ', ' + ctx.debugInfo.fileName + ' */\n'; +}; + +debugInfo.asMediaQuery = function(ctx) { + var filenameWithProtocol = ctx.debugInfo.fileName; + if (!/^[a-z]+:\/\//i.test(filenameWithProtocol)) { + filenameWithProtocol = 'file://' + filenameWithProtocol; + } + return '@media -sass-debug-info{filename{font-family:' + + filenameWithProtocol.replace(/([.:\/\\])/g, function (a) { + if (a == '\\') { + a = '\/'; + } + return '\\' + a; + }) + + '}line{font-family:\\00003' + ctx.debugInfo.lineNumber + '}}\n'; +}; + +module.exports = debugInfo; + +},{}],55:[function(require,module,exports){ +var Node = require("./node"), + contexts = require("../contexts"); + +var DetachedRuleset = function (ruleset, frames) { + this.ruleset = ruleset; + this.frames = frames; +}; +DetachedRuleset.prototype = new Node(); +DetachedRuleset.prototype.type = "DetachedRuleset"; +DetachedRuleset.prototype.evalFirst = true; +DetachedRuleset.prototype.accept = function (visitor) { + this.ruleset = visitor.visit(this.ruleset); +}; +DetachedRuleset.prototype.eval = function (context) { + var frames = this.frames || context.frames.slice(0); + return new DetachedRuleset(this.ruleset, frames); +}; +DetachedRuleset.prototype.callEval = function (context) { + return this.ruleset.eval(this.frames ? new contexts.Eval(context, this.frames.concat(context.frames)) : context); +}; +module.exports = DetachedRuleset; + +},{"../contexts":11,"./node":70}],56:[function(require,module,exports){ +var Node = require("./node"), + unitConversions = require("../data/unit-conversions"), + Unit = require("./unit"), + Color = require("./color"); + +// +// A number with a unit +// +var Dimension = function (value, unit) { + this.value = parseFloat(value); + this.unit = (unit && unit instanceof Unit) ? unit : + new Unit(unit ? [unit] : undefined); +}; + +Dimension.prototype = new Node(); +Dimension.prototype.type = "Dimension"; +Dimension.prototype.accept = function (visitor) { + this.unit = visitor.visit(this.unit); +}; +Dimension.prototype.eval = function (context) { + return this; +}; +Dimension.prototype.toColor = function () { + return new Color([this.value, this.value, this.value]); +}; +Dimension.prototype.genCSS = function (context, output) { + if ((context && context.strictUnits) && !this.unit.isSingular()) { + throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: " + this.unit.toString()); + } + + var value = this.fround(context, this.value), + strValue = String(value); + + if (value !== 0 && value < 0.000001 && value > -0.000001) { + // would be output 1e-6 etc. + strValue = value.toFixed(20).replace(/0+$/, ""); + } + + if (context && context.compress) { + // Zero values doesn't need a unit + if (value === 0 && this.unit.isLength()) { + output.add(strValue); + return; + } + + // Float values doesn't need a leading zero + if (value > 0 && value < 1) { + strValue = (strValue).substr(1); + } + } + + output.add(strValue); + this.unit.genCSS(context, output); +}; + +// In an operation between two Dimensions, +// we default to the first Dimension's unit, +// so `1px + 2` will yield `3px`. +Dimension.prototype.operate = function (context, op, other) { + /*jshint noempty:false */ + var value = this._operate(context, op, this.value, other.value), + unit = this.unit.clone(); + + if (op === '+' || op === '-') { + if (unit.numerator.length === 0 && unit.denominator.length === 0) { + unit = other.unit.clone(); + if (this.unit.backupUnit) { + unit.backupUnit = this.unit.backupUnit; + } + } else if (other.unit.numerator.length === 0 && unit.denominator.length === 0) { + // do nothing + } else { + other = other.convertTo(this.unit.usedUnits()); + + if (context.strictUnits && other.unit.toString() !== unit.toString()) { + throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '" + unit.toString() + + "' and '" + other.unit.toString() + "'."); + } + + value = this._operate(context, op, this.value, other.value); + } + } else if (op === '*') { + unit.numerator = unit.numerator.concat(other.unit.numerator).sort(); + unit.denominator = unit.denominator.concat(other.unit.denominator).sort(); + unit.cancel(); + } else if (op === '/') { + unit.numerator = unit.numerator.concat(other.unit.denominator).sort(); + unit.denominator = unit.denominator.concat(other.unit.numerator).sort(); + unit.cancel(); + } + return new Dimension(value, unit); +}; +Dimension.prototype.compare = function (other) { + var a, b; + + if (!(other instanceof Dimension)) { + return undefined; + } + + if (this.unit.isEmpty() || other.unit.isEmpty()) { + a = this; + b = other; + } else { + a = this.unify(); + b = other.unify(); + if (a.unit.compare(b.unit) !== 0) { + return undefined; + } + } + + return Node.numericCompare(a.value, b.value); +}; +Dimension.prototype.unify = function () { + return this.convertTo({ length: 'px', duration: 's', angle: 'rad' }); +}; +Dimension.prototype.convertTo = function (conversions) { + var value = this.value, unit = this.unit.clone(), + i, groupName, group, targetUnit, derivedConversions = {}, applyUnit; + + if (typeof conversions === 'string') { + for (i in unitConversions) { + if (unitConversions[i].hasOwnProperty(conversions)) { + derivedConversions = {}; + derivedConversions[i] = conversions; + } + } + conversions = derivedConversions; + } + applyUnit = function (atomicUnit, denominator) { + /* jshint loopfunc:true */ + if (group.hasOwnProperty(atomicUnit)) { + if (denominator) { + value = value / (group[atomicUnit] / group[targetUnit]); + } else { + value = value * (group[atomicUnit] / group[targetUnit]); + } + + return targetUnit; + } + + return atomicUnit; + }; + + for (groupName in conversions) { + if (conversions.hasOwnProperty(groupName)) { + targetUnit = conversions[groupName]; + group = unitConversions[groupName]; + + unit.map(applyUnit); + } + } + + unit.cancel(); + + return new Dimension(value, unit); +}; +module.exports = Dimension; + +},{"../data/unit-conversions":14,"./color":50,"./node":70,"./unit":79}],57:[function(require,module,exports){ +var Node = require("./node"), + Selector = require("./selector"), + Ruleset = require("./ruleset"); + +var Directive = function (name, value, rules, index, currentFileInfo, debugInfo, isRooted, visibilityInfo) { + var i; + + this.name = name; + this.value = value; + if (rules) { + if (Array.isArray(rules)) { + this.rules = rules; + } else { + this.rules = [rules]; + this.rules[0].selectors = (new Selector([], null, null, this.index, currentFileInfo)).createEmptySelectors(); + } + for (i = 0; i < this.rules.length; i++) { + this.rules[i].allowImports = true; + } + } + this.index = index; + this.currentFileInfo = currentFileInfo; + this.debugInfo = debugInfo; + this.isRooted = isRooted || false; + this.copyVisibilityInfo(visibilityInfo); + this.allowRoot = true; +}; + +Directive.prototype = new Node(); +Directive.prototype.type = "Directive"; +Directive.prototype.accept = function (visitor) { + var value = this.value, rules = this.rules; + if (rules) { + this.rules = visitor.visitArray(rules); + } + if (value) { + this.value = visitor.visit(value); + } +}; +Directive.prototype.isRulesetLike = function() { + return this.rules || !this.isCharset(); +}; +Directive.prototype.isCharset = function() { + return "@charset" === this.name; +}; +Directive.prototype.genCSS = function (context, output) { + var value = this.value, rules = this.rules; + output.add(this.name, this.currentFileInfo, this.index); + if (value) { + output.add(' '); + value.genCSS(context, output); + } + if (rules) { + this.outputRuleset(context, output, rules); + } else { + output.add(';'); + } +}; +Directive.prototype.eval = function (context) { + var mediaPathBackup, mediaBlocksBackup, value = this.value, rules = this.rules; + + //media stored inside other directive should not bubble over it + //backpup media bubbling information + mediaPathBackup = context.mediaPath; + mediaBlocksBackup = context.mediaBlocks; + //deleted media bubbling information + context.mediaPath = []; + context.mediaBlocks = []; + + if (value) { + value = value.eval(context); + } + if (rules) { + // assuming that there is only one rule at this point - that is how parser constructs the rule + rules = [rules[0].eval(context)]; + rules[0].root = true; + } + //restore media bubbling information + context.mediaPath = mediaPathBackup; + context.mediaBlocks = mediaBlocksBackup; + + return new Directive(this.name, value, rules, + this.index, this.currentFileInfo, this.debugInfo, this.isRooted, this.visibilityInfo()); +}; +Directive.prototype.variable = function (name) { + if (this.rules) { + // assuming that there is only one rule at this point - that is how parser constructs the rule + return Ruleset.prototype.variable.call(this.rules[0], name); + } +}; +Directive.prototype.find = function () { + if (this.rules) { + // assuming that there is only one rule at this point - that is how parser constructs the rule + return Ruleset.prototype.find.apply(this.rules[0], arguments); + } +}; +Directive.prototype.rulesets = function () { + if (this.rules) { + // assuming that there is only one rule at this point - that is how parser constructs the rule + return Ruleset.prototype.rulesets.apply(this.rules[0]); + } +}; +Directive.prototype.outputRuleset = function (context, output, rules) { + var ruleCnt = rules.length, i; + context.tabLevel = (context.tabLevel | 0) + 1; + + // Compressed + if (context.compress) { + output.add('{'); + for (i = 0; i < ruleCnt; i++) { + rules[i].genCSS(context, output); + } + output.add('}'); + context.tabLevel--; + return; + } + + // Non-compressed + var tabSetStr = '\n' + Array(context.tabLevel).join(" "), tabRuleStr = tabSetStr + " "; + if (!ruleCnt) { + output.add(" {" + tabSetStr + '}'); + } else { + output.add(" {" + tabRuleStr); + rules[0].genCSS(context, output); + for (i = 1; i < ruleCnt; i++) { + output.add(tabRuleStr); + rules[i].genCSS(context, output); + } + output.add(tabSetStr + '}'); + } + + context.tabLevel--; +}; +module.exports = Directive; + +},{"./node":70,"./ruleset":76,"./selector":77}],58:[function(require,module,exports){ +var Node = require("./node"), + Paren = require("./paren"), + Combinator = require("./combinator"); + +var Element = function (combinator, value, index, currentFileInfo, info) { + this.combinator = combinator instanceof Combinator ? + combinator : new Combinator(combinator); + + if (typeof value === 'string') { + this.value = value.trim(); + } else if (value) { + this.value = value; + } else { + this.value = ""; + } + this.index = index; + this.currentFileInfo = currentFileInfo; + this.copyVisibilityInfo(info); +}; +Element.prototype = new Node(); +Element.prototype.type = "Element"; +Element.prototype.accept = function (visitor) { + var value = this.value; + this.combinator = visitor.visit(this.combinator); + if (typeof value === "object") { + this.value = visitor.visit(value); + } +}; +Element.prototype.eval = function (context) { + return new Element(this.combinator, + this.value.eval ? this.value.eval(context) : this.value, + this.index, + this.currentFileInfo, this.visibilityInfo()); +}; +Element.prototype.clone = function () { + return new Element(this.combinator, + this.value, + this.index, + this.currentFileInfo, this.visibilityInfo()); +}; +Element.prototype.genCSS = function (context, output) { + output.add(this.toCSS(context), this.currentFileInfo, this.index); +}; +Element.prototype.toCSS = function (context) { + context = context || {}; + var value = this.value, firstSelector = context.firstSelector; + if (value instanceof Paren) { + // selector in parens should not be affected by outer selector + // flags (breaks only interpolated selectors - see #1973) + context.firstSelector = true; + } + value = value.toCSS ? value.toCSS(context) : value; + context.firstSelector = firstSelector; + if (value === '' && this.combinator.value.charAt(0) === '&') { + return ''; + } else { + return this.combinator.toCSS(context) + value; + } +}; +module.exports = Element; + +},{"./combinator":51,"./node":70,"./paren":72}],59:[function(require,module,exports){ +var Node = require("./node"), + Paren = require("./paren"), + Comment = require("./comment"); + +var Expression = function (value) { + this.value = value; + if (!value) { + throw new Error("Expression requires an array parameter"); + } +}; +Expression.prototype = new Node(); +Expression.prototype.type = "Expression"; +Expression.prototype.accept = function (visitor) { + this.value = visitor.visitArray(this.value); +}; +Expression.prototype.eval = function (context) { + var returnValue, + inParenthesis = this.parens && !this.parensInOp, + doubleParen = false; + if (inParenthesis) { + context.inParenthesis(); + } + if (this.value.length > 1) { + returnValue = new Expression(this.value.map(function (e) { + return e.eval(context); + })); + } else if (this.value.length === 1) { + if (this.value[0].parens && !this.value[0].parensInOp) { + doubleParen = true; + } + returnValue = this.value[0].eval(context); + } else { + returnValue = this; + } + if (inParenthesis) { + context.outOfParenthesis(); + } + if (this.parens && this.parensInOp && !(context.isMathOn()) && !doubleParen) { + returnValue = new Paren(returnValue); + } + return returnValue; +}; +Expression.prototype.genCSS = function (context, output) { + for (var i = 0; i < this.value.length; i++) { + this.value[i].genCSS(context, output); + if (i + 1 < this.value.length) { + output.add(" "); + } + } +}; +Expression.prototype.throwAwayComments = function () { + this.value = this.value.filter(function(v) { + return !(v instanceof Comment); + }); +}; +module.exports = Expression; + +},{"./comment":52,"./node":70,"./paren":72}],60:[function(require,module,exports){ +var Node = require("./node"), + Selector = require("./selector"); + +var Extend = function Extend(selector, option, index, currentFileInfo, visibilityInfo) { + this.selector = selector; + this.option = option; + this.index = index; + this.object_id = Extend.next_id++; + this.parent_ids = [this.object_id]; + this.currentFileInfo = currentFileInfo || {}; + this.copyVisibilityInfo(visibilityInfo); + this.allowRoot = true; + + switch(option) { + case "all": + this.allowBefore = true; + this.allowAfter = true; + break; + default: + this.allowBefore = false; + this.allowAfter = false; + break; + } +}; +Extend.next_id = 0; + +Extend.prototype = new Node(); +Extend.prototype.type = "Extend"; +Extend.prototype.accept = function (visitor) { + this.selector = visitor.visit(this.selector); +}; +Extend.prototype.eval = function (context) { + return new Extend(this.selector.eval(context), this.option, this.index, this.currentFileInfo, this.visibilityInfo()); +}; +Extend.prototype.clone = function (context) { + return new Extend(this.selector, this.option, this.index, this.currentFileInfo, this.visibilityInfo()); +}; +//it concatenates (joins) all selectors in selector array +Extend.prototype.findSelfSelectors = function (selectors) { + var selfElements = [], + i, + selectorElements; + + for (i = 0; i < selectors.length; i++) { + selectorElements = selectors[i].elements; + // duplicate the logic in genCSS function inside the selector node. + // future TODO - move both logics into the selector joiner visitor + if (i > 0 && selectorElements.length && selectorElements[0].combinator.value === "") { + selectorElements[0].combinator.value = ' '; + } + selfElements = selfElements.concat(selectors[i].elements); + } + + this.selfSelectors = [new Selector(selfElements)]; + this.selfSelectors[0].copyVisibilityInfo(this.visibilityInfo()); +}; +module.exports = Extend; + +},{"./node":70,"./selector":77}],61:[function(require,module,exports){ +var Node = require("./node"), + Media = require("./media"), + URL = require("./url"), + Quoted = require("./quoted"), + Ruleset = require("./ruleset"), + Anonymous = require("./anonymous"); + +// +// CSS @import node +// +// The general strategy here is that we don't want to wait +// for the parsing to be completed, before we start importing +// the file. That's because in the context of a browser, +// most of the time will be spent waiting for the server to respond. +// +// On creation, we push the import path to our import queue, though +// `import,push`, we also pass it a callback, which it'll call once +// the file has been fetched, and parsed. +// +var Import = function (path, features, options, index, currentFileInfo, visibilityInfo) { + this.options = options; + this.index = index; + this.path = path; + this.features = features; + this.currentFileInfo = currentFileInfo; + this.allowRoot = true; + + if (this.options.less !== undefined || this.options.inline) { + this.css = !this.options.less || this.options.inline; + } else { + var pathValue = this.getPath(); + if (pathValue && /[#\.\&\?\/]css([\?;].*)?$/.test(pathValue)) { + this.css = true; + } + } + this.copyVisibilityInfo(visibilityInfo); +}; + +// +// The actual import node doesn't return anything, when converted to CSS. +// The reason is that it's used at the evaluation stage, so that the rules +// it imports can be treated like any other rules. +// +// In `eval`, we make sure all Import nodes get evaluated, recursively, so +// we end up with a flat structure, which can easily be imported in the parent +// ruleset. +// +Import.prototype = new Node(); +Import.prototype.type = "Import"; +Import.prototype.accept = function (visitor) { + if (this.features) { + this.features = visitor.visit(this.features); + } + this.path = visitor.visit(this.path); + if (!this.options.plugin && !this.options.inline && this.root) { + this.root = visitor.visit(this.root); + } +}; +Import.prototype.genCSS = function (context, output) { + if (this.css && this.path.currentFileInfo.reference === undefined) { + output.add("@import ", this.currentFileInfo, this.index); + this.path.genCSS(context, output); + if (this.features) { + output.add(" "); + this.features.genCSS(context, output); + } + output.add(';'); + } +}; +Import.prototype.getPath = function () { + return (this.path instanceof URL) ? + this.path.value.value : this.path.value; +}; +Import.prototype.isVariableImport = function () { + var path = this.path; + if (path instanceof URL) { + path = path.value; + } + if (path instanceof Quoted) { + return path.containsVariables(); + } + + return true; +}; +Import.prototype.evalForImport = function (context) { + var path = this.path; + + if (path instanceof URL) { + path = path.value; + } + + return new Import(path.eval(context), this.features, this.options, this.index, this.currentFileInfo, this.visibilityInfo()); +}; +Import.prototype.evalPath = function (context) { + var path = this.path.eval(context); + var rootpath = this.currentFileInfo && this.currentFileInfo.rootpath; + + if (!(path instanceof URL)) { + if (rootpath) { + var pathValue = path.value; + // Add the base path if the import is relative + if (pathValue && context.isPathRelative(pathValue)) { + path.value = rootpath + pathValue; + } + } + path.value = context.normalizePath(path.value); + } + + return path; +}; +Import.prototype.eval = function (context) { + var result = this.doEval(context); + if (this.options.reference || this.blocksVisibility()) { + if (result.length || result.length === 0) { + result.forEach(function (node) { + node.addVisibilityBlock(); + } + ); + } else { + result.addVisibilityBlock(); + } + } + return result; +}; +Import.prototype.doEval = function (context) { + var ruleset, registry, + features = this.features && this.features.eval(context); + + if (this.options.plugin) { + registry = context.frames[0] && context.frames[0].functionRegistry; + if ( registry && this.root && this.root.functions ) { + registry.addMultiple( this.root.functions ); + } + return []; + } + + if (this.skip) { + if (typeof this.skip === "function") { + this.skip = this.skip(); + } + if (this.skip) { + return []; + } + } + if (this.options.inline) { + var contents = new Anonymous(this.root, 0, + { + filename: this.importedFilename, + reference: this.path.currentFileInfo && this.path.currentFileInfo.reference + }, true, true); + + return this.features ? new Media([contents], this.features.value) : [contents]; + } else if (this.css) { + var newImport = new Import(this.evalPath(context), features, this.options, this.index); + if (!newImport.css && this.error) { + throw this.error; + } + return newImport; + } else { + ruleset = new Ruleset(null, this.root.rules.slice(0)); + ruleset.evalImports(context); + + return this.features ? new Media(ruleset.rules, this.features.value) : ruleset.rules; + } +}; +module.exports = Import; + +},{"./anonymous":46,"./media":66,"./node":70,"./quoted":73,"./ruleset":76,"./url":80}],62:[function(require,module,exports){ +var tree = {}; + +tree.Node = require('./node'); +tree.Alpha = require('./alpha'); +tree.Color = require('./color'); +tree.Directive = require('./directive'); +tree.DetachedRuleset = require('./detached-ruleset'); +tree.Operation = require('./operation'); +tree.Dimension = require('./dimension'); +tree.Unit = require('./unit'); +tree.Keyword = require('./keyword'); +tree.Variable = require('./variable'); +tree.Ruleset = require('./ruleset'); +tree.Element = require('./element'); +tree.Attribute = require('./attribute'); +tree.Combinator = require('./combinator'); +tree.Selector = require('./selector'); +tree.Quoted = require('./quoted'); +tree.Expression = require('./expression'); +tree.Rule = require('./rule'); +tree.Call = require('./call'); +tree.URL = require('./url'); +tree.Import = require('./import'); +tree.mixin = { + Call: require('./mixin-call'), + Definition: require('./mixin-definition') +}; +tree.Comment = require('./comment'); +tree.Anonymous = require('./anonymous'); +tree.Value = require('./value'); +tree.JavaScript = require('./javascript'); +tree.Assignment = require('./assignment'); +tree.Condition = require('./condition'); +tree.Paren = require('./paren'); +tree.Media = require('./media'); +tree.UnicodeDescriptor = require('./unicode-descriptor'); +tree.Negative = require('./negative'); +tree.Extend = require('./extend'); +tree.RulesetCall = require('./ruleset-call'); + +module.exports = tree; + +},{"./alpha":45,"./anonymous":46,"./assignment":47,"./attribute":48,"./call":49,"./color":50,"./combinator":51,"./comment":52,"./condition":53,"./detached-ruleset":55,"./dimension":56,"./directive":57,"./element":58,"./expression":59,"./extend":60,"./import":61,"./javascript":63,"./keyword":65,"./media":66,"./mixin-call":67,"./mixin-definition":68,"./negative":69,"./node":70,"./operation":71,"./paren":72,"./quoted":73,"./rule":74,"./ruleset":76,"./ruleset-call":75,"./selector":77,"./unicode-descriptor":78,"./unit":79,"./url":80,"./value":81,"./variable":82}],63:[function(require,module,exports){ +var JsEvalNode = require("./js-eval-node"), + Dimension = require("./dimension"), + Quoted = require("./quoted"), + Anonymous = require("./anonymous"); + +var JavaScript = function (string, escaped, index, currentFileInfo) { + this.escaped = escaped; + this.expression = string; + this.index = index; + this.currentFileInfo = currentFileInfo; +}; +JavaScript.prototype = new JsEvalNode(); +JavaScript.prototype.type = "JavaScript"; +JavaScript.prototype.eval = function(context) { + var result = this.evaluateJavaScript(this.expression, context); + + if (typeof result === 'number') { + return new Dimension(result); + } else if (typeof result === 'string') { + return new Quoted('"' + result + '"', result, this.escaped, this.index); + } else if (Array.isArray(result)) { + return new Anonymous(result.join(', ')); + } else { + return new Anonymous(result); + } +}; + +module.exports = JavaScript; + +},{"./anonymous":46,"./dimension":56,"./js-eval-node":64,"./quoted":73}],64:[function(require,module,exports){ +var Node = require("./node"), + Variable = require("./variable"); + +var JsEvalNode = function() { +}; +JsEvalNode.prototype = new Node(); + +JsEvalNode.prototype.evaluateJavaScript = function (expression, context) { + var result, + that = this, + evalContext = {}; + + if (context.javascriptEnabled !== undefined && !context.javascriptEnabled) { + throw { message: "You are using JavaScript, which has been disabled.", + filename: this.currentFileInfo.filename, + index: this.index }; + } + + expression = expression.replace(/@\{([\w-]+)\}/g, function (_, name) { + return that.jsify(new Variable('@' + name, that.index, that.currentFileInfo).eval(context)); + }); + + try { + expression = new Function('return (' + expression + ')'); + } catch (e) { + throw { message: "JavaScript evaluation error: " + e.message + " from `" + expression + "`" , + filename: this.currentFileInfo.filename, + index: this.index }; + } + + var variables = context.frames[0].variables(); + for (var k in variables) { + if (variables.hasOwnProperty(k)) { + /*jshint loopfunc:true */ + evalContext[k.slice(1)] = { + value: variables[k].value, + toJS: function () { + return this.value.eval(context).toCSS(); + } + }; + } + } + + try { + result = expression.call(evalContext); + } catch (e) { + throw { message: "JavaScript evaluation error: '" + e.name + ': ' + e.message.replace(/["]/g, "'") + "'" , + filename: this.currentFileInfo.filename, + index: this.index }; + } + return result; +}; +JsEvalNode.prototype.jsify = function (obj) { + if (Array.isArray(obj.value) && (obj.value.length > 1)) { + return '[' + obj.value.map(function (v) { return v.toCSS(); }).join(', ') + ']'; + } else { + return obj.toCSS(); + } +}; + +module.exports = JsEvalNode; + +},{"./node":70,"./variable":82}],65:[function(require,module,exports){ +var Node = require("./node"); + +var Keyword = function (value) { this.value = value; }; +Keyword.prototype = new Node(); +Keyword.prototype.type = "Keyword"; +Keyword.prototype.genCSS = function (context, output) { + if (this.value === '%') { throw { type: "Syntax", message: "Invalid % without number" }; } + output.add(this.value); +}; + +Keyword.True = new Keyword('true'); +Keyword.False = new Keyword('false'); + +module.exports = Keyword; + +},{"./node":70}],66:[function(require,module,exports){ +var Ruleset = require("./ruleset"), + Value = require("./value"), + Selector = require("./selector"), + Anonymous = require("./anonymous"), + Expression = require("./expression"), + Directive = require("./directive"); + +var Media = function (value, features, index, currentFileInfo, visibilityInfo) { + this.index = index; + this.currentFileInfo = currentFileInfo; + + var selectors = (new Selector([], null, null, this.index, this.currentFileInfo)).createEmptySelectors(); + + this.features = new Value(features); + this.rules = [new Ruleset(selectors, value)]; + this.rules[0].allowImports = true; + this.copyVisibilityInfo(visibilityInfo); + this.allowRoot = true; +}; +Media.prototype = new Directive(); +Media.prototype.type = "Media"; +Media.prototype.isRulesetLike = true; +Media.prototype.accept = function (visitor) { + if (this.features) { + this.features = visitor.visit(this.features); + } + if (this.rules) { + this.rules = visitor.visitArray(this.rules); + } +}; +Media.prototype.genCSS = function (context, output) { + output.add('@media ', this.currentFileInfo, this.index); + this.features.genCSS(context, output); + this.outputRuleset(context, output, this.rules); +}; +Media.prototype.eval = function (context) { + if (!context.mediaBlocks) { + context.mediaBlocks = []; + context.mediaPath = []; + } + + var media = new Media(null, [], this.index, this.currentFileInfo, this.visibilityInfo()); + if (this.debugInfo) { + this.rules[0].debugInfo = this.debugInfo; + media.debugInfo = this.debugInfo; + } + var strictMathBypass = false; + if (!context.strictMath) { + strictMathBypass = true; + context.strictMath = true; + } + try { + media.features = this.features.eval(context); + } + finally { + if (strictMathBypass) { + context.strictMath = false; + } + } + + context.mediaPath.push(media); + context.mediaBlocks.push(media); + + this.rules[0].functionRegistry = context.frames[0].functionRegistry.inherit(); + context.frames.unshift(this.rules[0]); + media.rules = [this.rules[0].eval(context)]; + context.frames.shift(); + + context.mediaPath.pop(); + + return context.mediaPath.length === 0 ? media.evalTop(context) : + media.evalNested(context); +}; +Media.prototype.evalTop = function (context) { + var result = this; + + // Render all dependent Media blocks. + if (context.mediaBlocks.length > 1) { + var selectors = (new Selector([], null, null, this.index, this.currentFileInfo)).createEmptySelectors(); + result = new Ruleset(selectors, context.mediaBlocks); + result.multiMedia = true; + result.copyVisibilityInfo(this.visibilityInfo()); + } + + delete context.mediaBlocks; + delete context.mediaPath; + + return result; +}; +Media.prototype.evalNested = function (context) { + var i, value, + path = context.mediaPath.concat([this]); + + // Extract the media-query conditions separated with `,` (OR). + for (i = 0; i < path.length; i++) { + value = path[i].features instanceof Value ? + path[i].features.value : path[i].features; + path[i] = Array.isArray(value) ? value : [value]; + } + + // Trace all permutations to generate the resulting media-query. + // + // (a, b and c) with nested (d, e) -> + // a and d + // a and e + // b and c and d + // b and c and e + this.features = new Value(this.permute(path).map(function (path) { + path = path.map(function (fragment) { + return fragment.toCSS ? fragment : new Anonymous(fragment); + }); + + for (i = path.length - 1; i > 0; i--) { + path.splice(i, 0, new Anonymous("and")); + } + + return new Expression(path); + })); + + // Fake a tree-node that doesn't output anything. + return new Ruleset([], []); +}; +Media.prototype.permute = function (arr) { + if (arr.length === 0) { + return []; + } else if (arr.length === 1) { + return arr[0]; + } else { + var result = []; + var rest = this.permute(arr.slice(1)); + for (var i = 0; i < rest.length; i++) { + for (var j = 0; j < arr[0].length; j++) { + result.push([arr[0][j]].concat(rest[i])); + } + } + return result; + } +}; +Media.prototype.bubbleSelectors = function (selectors) { + if (!selectors) { + return; + } + this.rules = [new Ruleset(selectors.slice(0), [this.rules[0]])]; +}; +module.exports = Media; + +},{"./anonymous":46,"./directive":57,"./expression":59,"./ruleset":76,"./selector":77,"./value":81}],67:[function(require,module,exports){ +var Node = require("./node"), + Selector = require("./selector"), + MixinDefinition = require("./mixin-definition"), + defaultFunc = require("../functions/default"); + +var MixinCall = function (elements, args, index, currentFileInfo, important) { + this.selector = new Selector(elements); + this.arguments = args || []; + this.index = index; + this.currentFileInfo = currentFileInfo; + this.important = important; + this.allowRoot = true; +}; +MixinCall.prototype = new Node(); +MixinCall.prototype.type = "MixinCall"; +MixinCall.prototype.accept = function (visitor) { + if (this.selector) { + this.selector = visitor.visit(this.selector); + } + if (this.arguments.length) { + this.arguments = visitor.visitArray(this.arguments); + } +}; +MixinCall.prototype.eval = function (context) { + var mixins, mixin, mixinPath, args = [], arg, argValue, + rules = [], match = false, i, m, f, isRecursive, isOneFound, + candidates = [], candidate, conditionResult = [], defaultResult, defFalseEitherCase = -1, + defNone = 0, defTrue = 1, defFalse = 2, count, originalRuleset, noArgumentsFilter; + + function calcDefGroup(mixin, mixinPath) { + var f, p, namespace; + + for (f = 0; f < 2; f++) { + conditionResult[f] = true; + defaultFunc.value(f); + for (p = 0; p < mixinPath.length && conditionResult[f]; p++) { + namespace = mixinPath[p]; + if (namespace.matchCondition) { + conditionResult[f] = conditionResult[f] && namespace.matchCondition(null, context); + } + } + if (mixin.matchCondition) { + conditionResult[f] = conditionResult[f] && mixin.matchCondition(args, context); + } + } + if (conditionResult[0] || conditionResult[1]) { + if (conditionResult[0] != conditionResult[1]) { + return conditionResult[1] ? + defTrue : defFalse; + } + + return defNone; + } + return defFalseEitherCase; + } + + for (i = 0; i < this.arguments.length; i++) { + arg = this.arguments[i]; + argValue = arg.value.eval(context); + if (arg.expand && Array.isArray(argValue.value)) { + argValue = argValue.value; + for (m = 0; m < argValue.length; m++) { + args.push({value: argValue[m]}); + } + } else { + args.push({name: arg.name, value: argValue}); + } + } + + noArgumentsFilter = function(rule) {return rule.matchArgs(null, context);}; + + for (i = 0; i < context.frames.length; i++) { + if ((mixins = context.frames[i].find(this.selector, null, noArgumentsFilter)).length > 0) { + isOneFound = true; + + // To make `default()` function independent of definition order we have two "subpasses" here. + // At first we evaluate each guard *twice* (with `default() == true` and `default() == false`), + // and build candidate list with corresponding flags. Then, when we know all possible matches, + // we make a final decision. + + for (m = 0; m < mixins.length; m++) { + mixin = mixins[m].rule; + mixinPath = mixins[m].path; + isRecursive = false; + for (f = 0; f < context.frames.length; f++) { + if ((!(mixin instanceof MixinDefinition)) && mixin === (context.frames[f].originalRuleset || context.frames[f])) { + isRecursive = true; + break; + } + } + if (isRecursive) { + continue; + } + + if (mixin.matchArgs(args, context)) { + candidate = {mixin: mixin, group: calcDefGroup(mixin, mixinPath)}; + + if (candidate.group !== defFalseEitherCase) { + candidates.push(candidate); + } + + match = true; + } + } + + defaultFunc.reset(); + + count = [0, 0, 0]; + for (m = 0; m < candidates.length; m++) { + count[candidates[m].group]++; + } + + if (count[defNone] > 0) { + defaultResult = defFalse; + } else { + defaultResult = defTrue; + if ((count[defTrue] + count[defFalse]) > 1) { + throw { type: 'Runtime', + message: 'Ambiguous use of `default()` found when matching for `' + this.format(args) + '`', + index: this.index, filename: this.currentFileInfo.filename }; + } + } + + for (m = 0; m < candidates.length; m++) { + candidate = candidates[m].group; + if ((candidate === defNone) || (candidate === defaultResult)) { + try { + mixin = candidates[m].mixin; + if (!(mixin instanceof MixinDefinition)) { + originalRuleset = mixin.originalRuleset || mixin; + mixin = new MixinDefinition("", [], mixin.rules, null, false, null, originalRuleset.visibilityInfo()); + mixin.originalRuleset = originalRuleset; + } + var newRules = mixin.evalCall(context, args, this.important).rules; + this._setVisibilityToReplacement(newRules); + Array.prototype.push.apply(rules, newRules); + } catch (e) { + throw { message: e.message, index: this.index, filename: this.currentFileInfo.filename, stack: e.stack }; + } + } + } + + if (match) { + return rules; + } + } + } + if (isOneFound) { + throw { type: 'Runtime', + message: 'No matching definition was found for `' + this.format(args) + '`', + index: this.index, filename: this.currentFileInfo.filename }; + } else { + throw { type: 'Name', + message: this.selector.toCSS().trim() + " is undefined", + index: this.index, filename: this.currentFileInfo.filename }; + } +}; + +MixinCall.prototype._setVisibilityToReplacement = function (replacement) { + var i, rule; + if (this.blocksVisibility()) { + for (i = 0; i < replacement.length; i++) { + rule = replacement[i]; + rule.addVisibilityBlock(); + } + } +}; +MixinCall.prototype.format = function (args) { + return this.selector.toCSS().trim() + '(' + + (args ? args.map(function (a) { + var argValue = ""; + if (a.name) { + argValue += a.name + ":"; + } + if (a.value.toCSS) { + argValue += a.value.toCSS(); + } else { + argValue += "???"; + } + return argValue; + }).join(', ') : "") + ")"; +}; +module.exports = MixinCall; + +},{"../functions/default":20,"./mixin-definition":68,"./node":70,"./selector":77}],68:[function(require,module,exports){ +var Selector = require("./selector"), + Element = require("./element"), + Ruleset = require("./ruleset"), + Rule = require("./rule"), + Expression = require("./expression"), + contexts = require("../contexts"); + +var Definition = function (name, params, rules, condition, variadic, frames, visibilityInfo) { + this.name = name; + this.selectors = [new Selector([new Element(null, name, this.index, this.currentFileInfo)])]; + this.params = params; + this.condition = condition; + this.variadic = variadic; + this.arity = params.length; + this.rules = rules; + this._lookups = {}; + var optionalParameters = []; + this.required = params.reduce(function (count, p) { + if (!p.name || (p.name && !p.value)) { + return count + 1; + } + else { + optionalParameters.push(p.name); + return count; + } + }, 0); + this.optionalParameters = optionalParameters; + this.frames = frames; + this.copyVisibilityInfo(visibilityInfo); + this.allowRoot = true; +}; +Definition.prototype = new Ruleset(); +Definition.prototype.type = "MixinDefinition"; +Definition.prototype.evalFirst = true; +Definition.prototype.accept = function (visitor) { + if (this.params && this.params.length) { + this.params = visitor.visitArray(this.params); + } + this.rules = visitor.visitArray(this.rules); + if (this.condition) { + this.condition = visitor.visit(this.condition); + } +}; +Definition.prototype.evalParams = function (context, mixinEnv, args, evaldArguments) { + /*jshint boss:true */ + var frame = new Ruleset(null, null), + varargs, arg, + params = this.params.slice(0), + i, j, val, name, isNamedFound, argIndex, argsLength = 0; + + if (mixinEnv.frames && mixinEnv.frames[0] && mixinEnv.frames[0].functionRegistry) { + frame.functionRegistry = mixinEnv.frames[0].functionRegistry.inherit(); + } + mixinEnv = new contexts.Eval(mixinEnv, [frame].concat(mixinEnv.frames)); + + if (args) { + args = args.slice(0); + argsLength = args.length; + + for (i = 0; i < argsLength; i++) { + arg = args[i]; + if (name = (arg && arg.name)) { + isNamedFound = false; + for (j = 0; j < params.length; j++) { + if (!evaldArguments[j] && name === params[j].name) { + evaldArguments[j] = arg.value.eval(context); + frame.prependRule(new Rule(name, arg.value.eval(context))); + isNamedFound = true; + break; + } + } + if (isNamedFound) { + args.splice(i, 1); + i--; + continue; + } else { + throw { type: 'Runtime', message: "Named argument for " + this.name + + ' ' + args[i].name + ' not found' }; + } + } + } + } + argIndex = 0; + for (i = 0; i < params.length; i++) { + if (evaldArguments[i]) { continue; } + + arg = args && args[argIndex]; + + if (name = params[i].name) { + if (params[i].variadic) { + varargs = []; + for (j = argIndex; j < argsLength; j++) { + varargs.push(args[j].value.eval(context)); + } + frame.prependRule(new Rule(name, new Expression(varargs).eval(context))); + } else { + val = arg && arg.value; + if (val) { + val = val.eval(context); + } else if (params[i].value) { + val = params[i].value.eval(mixinEnv); + frame.resetCache(); + } else { + throw { type: 'Runtime', message: "wrong number of arguments for " + this.name + + ' (' + argsLength + ' for ' + this.arity + ')' }; + } + + frame.prependRule(new Rule(name, val)); + evaldArguments[i] = val; + } + } + + if (params[i].variadic && args) { + for (j = argIndex; j < argsLength; j++) { + evaldArguments[j] = args[j].value.eval(context); + } + } + argIndex++; + } + + return frame; +}; +Definition.prototype.makeImportant = function() { + var rules = !this.rules ? this.rules : this.rules.map(function (r) { + if (r.makeImportant) { + return r.makeImportant(true); + } else { + return r; + } + }); + var result = new Definition(this.name, this.params, rules, this.condition, this.variadic, this.frames); + return result; +}; +Definition.prototype.eval = function (context) { + return new Definition(this.name, this.params, this.rules, this.condition, this.variadic, this.frames || context.frames.slice(0)); +}; +Definition.prototype.evalCall = function (context, args, important) { + var _arguments = [], + mixinFrames = this.frames ? this.frames.concat(context.frames) : context.frames, + frame = this.evalParams(context, new contexts.Eval(context, mixinFrames), args, _arguments), + rules, ruleset; + + frame.prependRule(new Rule('@arguments', new Expression(_arguments).eval(context))); + + rules = this.rules.slice(0); + + ruleset = new Ruleset(null, rules); + ruleset.originalRuleset = this; + ruleset = ruleset.eval(new contexts.Eval(context, [this, frame].concat(mixinFrames))); + if (important) { + ruleset = ruleset.makeImportant(); + } + return ruleset; +}; +Definition.prototype.matchCondition = function (args, context) { + if (this.condition && !this.condition.eval( + new contexts.Eval(context, + [this.evalParams(context, /* the parameter variables*/ + new contexts.Eval(context, this.frames ? this.frames.concat(context.frames) : context.frames), args, [])] + .concat(this.frames || []) // the parent namespace/mixin frames + .concat(context.frames)))) { // the current environment frames + return false; + } + return true; +}; +Definition.prototype.matchArgs = function (args, context) { + var allArgsCnt = (args && args.length) || 0, len, optionalParameters = this.optionalParameters; + var requiredArgsCnt = !args ? 0 : args.reduce(function (count, p) { + if (optionalParameters.indexOf(p.name) < 0) { + return count + 1; + } else { + return count; + } + }, 0); + + if (! this.variadic) { + if (requiredArgsCnt < this.required) { + return false; + } + if (allArgsCnt > this.params.length) { + return false; + } + } else { + if (requiredArgsCnt < (this.required - 1)) { + return false; + } + } + + // check patterns + len = Math.min(requiredArgsCnt, this.arity); + + for (var i = 0; i < len; i++) { + if (!this.params[i].name && !this.params[i].variadic) { + if (args[i].value.eval(context).toCSS() != this.params[i].value.eval(context).toCSS()) { + return false; + } + } + } + return true; +}; +module.exports = Definition; + +},{"../contexts":11,"./element":58,"./expression":59,"./rule":74,"./ruleset":76,"./selector":77}],69:[function(require,module,exports){ +var Node = require("./node"), + Operation = require("./operation"), + Dimension = require("./dimension"); + +var Negative = function (node) { + this.value = node; +}; +Negative.prototype = new Node(); +Negative.prototype.type = "Negative"; +Negative.prototype.genCSS = function (context, output) { + output.add('-'); + this.value.genCSS(context, output); +}; +Negative.prototype.eval = function (context) { + if (context.isMathOn()) { + return (new Operation('*', [new Dimension(-1), this.value])).eval(context); + } + return new Negative(this.value.eval(context)); +}; +module.exports = Negative; + +},{"./dimension":56,"./node":70,"./operation":71}],70:[function(require,module,exports){ +var Node = function() { +}; +Node.prototype.toCSS = function (context) { + var strs = []; + this.genCSS(context, { + add: function(chunk, fileInfo, index) { + strs.push(chunk); + }, + isEmpty: function () { + return strs.length === 0; + } + }); + return strs.join(''); +}; +Node.prototype.genCSS = function (context, output) { + output.add(this.value); +}; +Node.prototype.accept = function (visitor) { + this.value = visitor.visit(this.value); +}; +Node.prototype.eval = function () { return this; }; +Node.prototype._operate = function (context, op, a, b) { + switch (op) { + case '+': return a + b; + case '-': return a - b; + case '*': return a * b; + case '/': return a / b; + } +}; +Node.prototype.fround = function(context, value) { + var precision = context && context.numPrecision; + //add "epsilon" to ensure numbers like 1.000000005 (represented as 1.000000004999....) are properly rounded... + return (precision == null) ? value : Number((value + 2e-16).toFixed(precision)); +}; +Node.compare = function (a, b) { + /* returns: + -1: a < b + 0: a = b + 1: a > b + and *any* other value for a != b (e.g. undefined, NaN, -2 etc.) */ + + if ((a.compare) && + // for "symmetric results" force toCSS-based comparison + // of Quoted or Anonymous if either value is one of those + !(b.type === "Quoted" || b.type === "Anonymous")) { + return a.compare(b); + } else if (b.compare) { + return -b.compare(a); + } else if (a.type !== b.type) { + return undefined; + } + + a = a.value; + b = b.value; + if (!Array.isArray(a)) { + return a === b ? 0 : undefined; + } + if (a.length !== b.length) { + return undefined; + } + for (var i = 0; i < a.length; i++) { + if (Node.compare(a[i], b[i]) !== 0) { + return undefined; + } + } + return 0; +}; + +Node.numericCompare = function (a, b) { + return a < b ? -1 + : a === b ? 0 + : a > b ? 1 : undefined; +}; +// Returns true if this node represents root of ast imported by reference +Node.prototype.blocksVisibility = function () { + if (this.visibilityBlocks == null) { + this.visibilityBlocks = 0; + } + return this.visibilityBlocks !== 0; +}; +Node.prototype.addVisibilityBlock = function () { + if (this.visibilityBlocks == null) { + this.visibilityBlocks = 0; + } + this.visibilityBlocks = this.visibilityBlocks + 1; +}; +Node.prototype.removeVisibilityBlock = function () { + if (this.visibilityBlocks == null) { + this.visibilityBlocks = 0; + } + this.visibilityBlocks = this.visibilityBlocks - 1; +}; +//Turns on node visibility - if called node will be shown in output regardless +//of whether it comes from import by reference or not +Node.prototype.ensureVisibility = function () { + this.nodeVisible = true; +}; +//Turns off node visibility - if called node will NOT be shown in output regardless +//of whether it comes from import by reference or not +Node.prototype.ensureInvisibility = function () { + this.nodeVisible = false; +}; +// return values: +// false - the node must not be visible +// true - the node must be visible +// undefined or null - the node has the same visibility as its parent +Node.prototype.isVisible = function () { + return this.nodeVisible; +}; +Node.prototype.visibilityInfo = function() { + return { + visibilityBlocks: this.visibilityBlocks, + nodeVisible: this.nodeVisible + }; +}; +Node.prototype.copyVisibilityInfo = function(info) { + if (!info) { + return; + } + this.visibilityBlocks = info.visibilityBlocks; + this.nodeVisible = info.nodeVisible; +}; +module.exports = Node; + +},{}],71:[function(require,module,exports){ +var Node = require("./node"), + Color = require("./color"), + Dimension = require("./dimension"); + +var Operation = function (op, operands, isSpaced) { + this.op = op.trim(); + this.operands = operands; + this.isSpaced = isSpaced; +}; +Operation.prototype = new Node(); +Operation.prototype.type = "Operation"; +Operation.prototype.accept = function (visitor) { + this.operands = visitor.visit(this.operands); +}; +Operation.prototype.eval = function (context) { + var a = this.operands[0].eval(context), + b = this.operands[1].eval(context); + + if (context.isMathOn()) { + if (a instanceof Dimension && b instanceof Color) { + a = a.toColor(); + } + if (b instanceof Dimension && a instanceof Color) { + b = b.toColor(); + } + if (!a.operate) { + throw { type: "Operation", + message: "Operation on an invalid type" }; + } + + return a.operate(context, this.op, b); + } else { + return new Operation(this.op, [a, b], this.isSpaced); + } +}; +Operation.prototype.genCSS = function (context, output) { + this.operands[0].genCSS(context, output); + if (this.isSpaced) { + output.add(" "); + } + output.add(this.op); + if (this.isSpaced) { + output.add(" "); + } + this.operands[1].genCSS(context, output); +}; + +module.exports = Operation; + +},{"./color":50,"./dimension":56,"./node":70}],72:[function(require,module,exports){ +var Node = require("./node"); + +var Paren = function (node) { + this.value = node; +}; +Paren.prototype = new Node(); +Paren.prototype.type = "Paren"; +Paren.prototype.genCSS = function (context, output) { + output.add('('); + this.value.genCSS(context, output); + output.add(')'); +}; +Paren.prototype.eval = function (context) { + return new Paren(this.value.eval(context)); +}; +module.exports = Paren; + +},{"./node":70}],73:[function(require,module,exports){ +var Node = require("./node"), + JsEvalNode = require("./js-eval-node"), + Variable = require("./variable"); + +var Quoted = function (str, content, escaped, index, currentFileInfo) { + this.escaped = (escaped == null) ? true : escaped; + this.value = content || ''; + this.quote = str.charAt(0); + this.index = index; + this.currentFileInfo = currentFileInfo; +}; +Quoted.prototype = new JsEvalNode(); +Quoted.prototype.type = "Quoted"; +Quoted.prototype.genCSS = function (context, output) { + if (!this.escaped) { + output.add(this.quote, this.currentFileInfo, this.index); + } + output.add(this.value); + if (!this.escaped) { + output.add(this.quote); + } +}; +Quoted.prototype.containsVariables = function() { + return this.value.match(/(`([^`]+)`)|@\{([\w-]+)\}/); +}; +Quoted.prototype.eval = function (context) { + var that = this, value = this.value; + var javascriptReplacement = function (_, exp) { + return String(that.evaluateJavaScript(exp, context)); + }; + var interpolationReplacement = function (_, name) { + var v = new Variable('@' + name, that.index, that.currentFileInfo).eval(context, true); + return (v instanceof Quoted) ? v.value : v.toCSS(); + }; + function iterativeReplace(value, regexp, replacementFnc) { + var evaluatedValue = value; + do { + value = evaluatedValue; + evaluatedValue = value.replace(regexp, replacementFnc); + } while (value !== evaluatedValue); + return evaluatedValue; + } + value = iterativeReplace(value, /`([^`]+)`/g, javascriptReplacement); + value = iterativeReplace(value, /@\{([\w-]+)\}/g, interpolationReplacement); + return new Quoted(this.quote + value + this.quote, value, this.escaped, this.index, this.currentFileInfo); +}; +Quoted.prototype.compare = function (other) { + // when comparing quoted strings allow the quote to differ + if (other.type === "Quoted" && !this.escaped && !other.escaped) { + return Node.numericCompare(this.value, other.value); + } else { + return other.toCSS && this.toCSS() === other.toCSS() ? 0 : undefined; + } +}; +module.exports = Quoted; + +},{"./js-eval-node":64,"./node":70,"./variable":82}],74:[function(require,module,exports){ +var Node = require("./node"), + Value = require("./value"), + Keyword = require("./keyword"); + +var Rule = function (name, value, important, merge, index, currentFileInfo, inline, variable) { + this.name = name; + this.value = (value instanceof Node) ? value : new Value([value]); //value instanceof tree.Value || value instanceof tree.Ruleset ?? + this.important = important ? ' ' + important.trim() : ''; + this.merge = merge; + this.index = index; + this.currentFileInfo = currentFileInfo; + this.inline = inline || false; + this.variable = (variable !== undefined) ? variable + : (name.charAt && (name.charAt(0) === '@')); + this.allowRoot = true; +}; + +function evalName(context, name) { + var value = "", i, n = name.length, + output = {add: function (s) {value += s;}}; + for (i = 0; i < n; i++) { + name[i].eval(context).genCSS(context, output); + } + return value; +} + +Rule.prototype = new Node(); +Rule.prototype.type = "Rule"; +Rule.prototype.genCSS = function (context, output) { + output.add(this.name + (context.compress ? ':' : ': '), this.currentFileInfo, this.index); + try { + this.value.genCSS(context, output); + } + catch(e) { + e.index = this.index; + e.filename = this.currentFileInfo.filename; + throw e; + } + output.add(this.important + ((this.inline || (context.lastRule && context.compress)) ? "" : ";"), this.currentFileInfo, this.index); +}; +Rule.prototype.eval = function (context) { + var strictMathBypass = false, name = this.name, evaldValue, variable = this.variable; + if (typeof name !== "string") { + // expand 'primitive' name directly to get + // things faster (~10% for benchmark.less): + name = (name.length === 1) && (name[0] instanceof Keyword) ? + name[0].value : evalName(context, name); + variable = false; // never treat expanded interpolation as new variable name + } + if (name === "font" && !context.strictMath) { + strictMathBypass = true; + context.strictMath = true; + } + try { + context.importantScope.push({}); + evaldValue = this.value.eval(context); + + if (!this.variable && evaldValue.type === "DetachedRuleset") { + throw { message: "Rulesets cannot be evaluated on a property.", + index: this.index, filename: this.currentFileInfo.filename }; + } + var important = this.important, + importantResult = context.importantScope.pop(); + if (!important && importantResult.important) { + important = importantResult.important; + } + + return new Rule(name, + evaldValue, + important, + this.merge, + this.index, this.currentFileInfo, this.inline, + variable); + } + catch(e) { + if (typeof e.index !== 'number') { + e.index = this.index; + e.filename = this.currentFileInfo.filename; + } + throw e; + } + finally { + if (strictMathBypass) { + context.strictMath = false; + } + } +}; +Rule.prototype.makeImportant = function () { + return new Rule(this.name, + this.value, + "!important", + this.merge, + this.index, this.currentFileInfo, this.inline); +}; + +module.exports = Rule; +},{"./keyword":65,"./node":70,"./value":81}],75:[function(require,module,exports){ +var Node = require("./node"), + Variable = require("./variable"); + +var RulesetCall = function (variable) { + this.variable = variable; + this.allowRoot = true; +}; +RulesetCall.prototype = new Node(); +RulesetCall.prototype.type = "RulesetCall"; +RulesetCall.prototype.eval = function (context) { + var detachedRuleset = new Variable(this.variable).eval(context); + return detachedRuleset.callEval(context); +}; +module.exports = RulesetCall; + +},{"./node":70,"./variable":82}],76:[function(require,module,exports){ +var Node = require("./node"), + Rule = require("./rule"), + Selector = require("./selector"), + Element = require("./element"), + Paren = require("./paren"), + contexts = require("../contexts"), + globalFunctionRegistry = require("../functions/function-registry"), + defaultFunc = require("../functions/default"), + getDebugInfo = require("./debug-info"); + +var Ruleset = function (selectors, rules, strictImports, visibilityInfo) { + this.selectors = selectors; + this.rules = rules; + this._lookups = {}; + this.strictImports = strictImports; + this.copyVisibilityInfo(visibilityInfo); + this.allowRoot = true; +}; +Ruleset.prototype = new Node(); +Ruleset.prototype.type = "Ruleset"; +Ruleset.prototype.isRuleset = true; +Ruleset.prototype.isRulesetLike = true; +Ruleset.prototype.accept = function (visitor) { + if (this.paths) { + this.paths = visitor.visitArray(this.paths, true); + } else if (this.selectors) { + this.selectors = visitor.visitArray(this.selectors); + } + if (this.rules && this.rules.length) { + this.rules = visitor.visitArray(this.rules); + } +}; +Ruleset.prototype.eval = function (context) { + var thisSelectors = this.selectors, selectors, + selCnt, selector, i, hasOnePassingSelector = false; + + if (thisSelectors && (selCnt = thisSelectors.length)) { + selectors = []; + defaultFunc.error({ + type: "Syntax", + message: "it is currently only allowed in parametric mixin guards," + }); + for (i = 0; i < selCnt; i++) { + selector = thisSelectors[i].eval(context); + selectors.push(selector); + if (selector.evaldCondition) { + hasOnePassingSelector = true; + } + } + defaultFunc.reset(); + } else { + hasOnePassingSelector = true; + } + + var rules = this.rules ? this.rules.slice(0) : null, + ruleset = new Ruleset(selectors, rules, this.strictImports, this.visibilityInfo()), + rule, subRule; + + ruleset.originalRuleset = this; + ruleset.root = this.root; + ruleset.firstRoot = this.firstRoot; + ruleset.allowImports = this.allowImports; + + if (this.debugInfo) { + ruleset.debugInfo = this.debugInfo; + } + + if (!hasOnePassingSelector) { + rules.length = 0; + } + + // inherit a function registry from the frames stack when possible; + // otherwise from the global registry + ruleset.functionRegistry = (function (frames) { + var i = 0, + n = frames.length, + found; + for ( ; i !== n ; ++i ) { + found = frames[ i ].functionRegistry; + if ( found ) { return found; } + } + return globalFunctionRegistry; + }(context.frames)).inherit(); + + // push the current ruleset to the frames stack + var ctxFrames = context.frames; + ctxFrames.unshift(ruleset); + + // currrent selectors + var ctxSelectors = context.selectors; + if (!ctxSelectors) { + context.selectors = ctxSelectors = []; + } + ctxSelectors.unshift(this.selectors); + + // Evaluate imports + if (ruleset.root || ruleset.allowImports || !ruleset.strictImports) { + ruleset.evalImports(context); + } + + // Store the frames around mixin definitions, + // so they can be evaluated like closures when the time comes. + var rsRules = ruleset.rules, rsRuleCnt = rsRules ? rsRules.length : 0; + for (i = 0; i < rsRuleCnt; i++) { + if (rsRules[i].evalFirst) { + rsRules[i] = rsRules[i].eval(context); + } + } + + var mediaBlockCount = (context.mediaBlocks && context.mediaBlocks.length) || 0; + + // Evaluate mixin calls. + for (i = 0; i < rsRuleCnt; i++) { + if (rsRules[i].type === "MixinCall") { + /*jshint loopfunc:true */ + rules = rsRules[i].eval(context).filter(function(r) { + if ((r instanceof Rule) && r.variable) { + // do not pollute the scope if the variable is + // already there. consider returning false here + // but we need a way to "return" variable from mixins + return !(ruleset.variable(r.name)); + } + return true; + }); + rsRules.splice.apply(rsRules, [i, 1].concat(rules)); + rsRuleCnt += rules.length - 1; + i += rules.length - 1; + ruleset.resetCache(); + } else if (rsRules[i].type === "RulesetCall") { + /*jshint loopfunc:true */ + rules = rsRules[i].eval(context).rules.filter(function(r) { + if ((r instanceof Rule) && r.variable) { + // do not pollute the scope at all + return false; + } + return true; + }); + rsRules.splice.apply(rsRules, [i, 1].concat(rules)); + rsRuleCnt += rules.length - 1; + i += rules.length - 1; + ruleset.resetCache(); + } + } + + // Evaluate everything else + for (i = 0; i < rsRules.length; i++) { + rule = rsRules[i]; + if (!rule.evalFirst) { + rsRules[i] = rule = rule.eval ? rule.eval(context) : rule; + } + } + + // Evaluate everything else + for (i = 0; i < rsRules.length; i++) { + rule = rsRules[i]; + // for rulesets, check if it is a css guard and can be removed + if (rule instanceof Ruleset && rule.selectors && rule.selectors.length === 1) { + // check if it can be folded in (e.g. & where) + if (rule.selectors[0].isJustParentSelector()) { + rsRules.splice(i--, 1); + + for (var j = 0; j < rule.rules.length; j++) { + subRule = rule.rules[j]; + subRule.copyVisibilityInfo(rule.visibilityInfo()); + if (!(subRule instanceof Rule) || !subRule.variable) { + rsRules.splice(++i, 0, subRule); + } + } + } + } + } + + // Pop the stack + ctxFrames.shift(); + ctxSelectors.shift(); + + if (context.mediaBlocks) { + for (i = mediaBlockCount; i < context.mediaBlocks.length; i++) { + context.mediaBlocks[i].bubbleSelectors(selectors); + } + } + + return ruleset; +}; +Ruleset.prototype.evalImports = function(context) { + var rules = this.rules, i, importRules; + if (!rules) { return; } + + for (i = 0; i < rules.length; i++) { + if (rules[i].type === "Import") { + importRules = rules[i].eval(context); + if (importRules && (importRules.length || importRules.length === 0)) { + rules.splice.apply(rules, [i, 1].concat(importRules)); + i+= importRules.length - 1; + } else { + rules.splice(i, 1, importRules); + } + this.resetCache(); + } + } +}; +Ruleset.prototype.makeImportant = function() { + var result = new Ruleset(this.selectors, this.rules.map(function (r) { + if (r.makeImportant) { + return r.makeImportant(); + } else { + return r; + } + }), this.strictImports, this.visibilityInfo()); + + return result; +}; +Ruleset.prototype.matchArgs = function (args) { + return !args || args.length === 0; +}; +// lets you call a css selector with a guard +Ruleset.prototype.matchCondition = function (args, context) { + var lastSelector = this.selectors[this.selectors.length - 1]; + if (!lastSelector.evaldCondition) { + return false; + } + if (lastSelector.condition && + !lastSelector.condition.eval( + new contexts.Eval(context, + context.frames))) { + return false; + } + return true; +}; +Ruleset.prototype.resetCache = function () { + this._rulesets = null; + this._variables = null; + this._lookups = {}; +}; +Ruleset.prototype.variables = function () { + if (!this._variables) { + this._variables = !this.rules ? {} : this.rules.reduce(function (hash, r) { + if (r instanceof Rule && r.variable === true) { + hash[r.name] = r; + } + // when evaluating variables in an import statement, imports have not been eval'd + // so we need to go inside import statements. + // guard against root being a string (in the case of inlined less) + if (r.type === "Import" && r.root && r.root.variables) { + var vars = r.root.variables(); + for (var name in vars) { + if (vars.hasOwnProperty(name)) { + hash[name] = vars[name]; + } + } + } + return hash; + }, {}); + } + return this._variables; +}; +Ruleset.prototype.variable = function (name) { + return this.variables()[name]; +}; +Ruleset.prototype.rulesets = function () { + if (!this.rules) { return []; } + + var filtRules = [], rules = this.rules, cnt = rules.length, + i, rule; + + for (i = 0; i < cnt; i++) { + rule = rules[i]; + if (rule.isRuleset) { + filtRules.push(rule); + } + } + + return filtRules; +}; +Ruleset.prototype.prependRule = function (rule) { + var rules = this.rules; + if (rules) { + rules.unshift(rule); + } else { + this.rules = [ rule ]; + } +}; +Ruleset.prototype.find = function (selector, self, filter) { + self = self || this; + var rules = [], match, foundMixins, + key = selector.toCSS(); + + if (key in this._lookups) { return this._lookups[key]; } + + this.rulesets().forEach(function (rule) { + if (rule !== self) { + for (var j = 0; j < rule.selectors.length; j++) { + match = selector.match(rule.selectors[j]); + if (match) { + if (selector.elements.length > match) { + if (!filter || filter(rule)) { + foundMixins = rule.find(new Selector(selector.elements.slice(match)), self, filter); + for (var i = 0; i < foundMixins.length; ++i) { + foundMixins[i].path.push(rule); + } + Array.prototype.push.apply(rules, foundMixins); + } + } else { + rules.push({ rule: rule, path: []}); + } + break; + } + } + } + }); + this._lookups[key] = rules; + return rules; +}; +Ruleset.prototype.genCSS = function (context, output) { + var i, j, + charsetRuleNodes = [], + ruleNodes = [], + debugInfo, // Line number debugging + rule, + path; + + context.tabLevel = (context.tabLevel || 0); + + if (!this.root) { + context.tabLevel++; + } + + var tabRuleStr = context.compress ? '' : Array(context.tabLevel + 1).join(" "), + tabSetStr = context.compress ? '' : Array(context.tabLevel).join(" "), + sep; + + function isRulesetLikeNode(rule) { + // if it has nested rules, then it should be treated like a ruleset + // medias and comments do not have nested rules, but should be treated like rulesets anyway + // some directives and anonymous nodes are ruleset like, others are not + if (typeof rule.isRulesetLike === "boolean") { + return rule.isRulesetLike; + } else if (typeof rule.isRulesetLike === "function") { + return rule.isRulesetLike(); + } + + //anything else is assumed to be a rule + return false; + } + + var charsetNodeIndex = 0; + var importNodeIndex = 0; + for (i = 0; i < this.rules.length; i++) { + rule = this.rules[i]; + if (rule.type === "Comment") { + if (importNodeIndex === i) { + importNodeIndex++; + } + ruleNodes.push(rule); + } else if (rule.isCharset && rule.isCharset()) { + ruleNodes.splice(charsetNodeIndex, 0, rule); + charsetNodeIndex++; + importNodeIndex++; + } else if (rule.type === "Import") { + ruleNodes.splice(importNodeIndex, 0, rule); + importNodeIndex++; + } else { + ruleNodes.push(rule); + } + } + ruleNodes = charsetRuleNodes.concat(ruleNodes); + + // If this is the root node, we don't render + // a selector, or {}. + if (!this.root) { + debugInfo = getDebugInfo(context, this, tabSetStr); + + if (debugInfo) { + output.add(debugInfo); + output.add(tabSetStr); + } + + var paths = this.paths, pathCnt = paths.length, + pathSubCnt; + + sep = context.compress ? ',' : (',\n' + tabSetStr); + + for (i = 0; i < pathCnt; i++) { + path = paths[i]; + if (!(pathSubCnt = path.length)) { continue; } + if (i > 0) { output.add(sep); } + + context.firstSelector = true; + path[0].genCSS(context, output); + + context.firstSelector = false; + for (j = 1; j < pathSubCnt; j++) { + path[j].genCSS(context, output); + } + } + + output.add((context.compress ? '{' : ' {\n') + tabRuleStr); + } + + // Compile rules and rulesets + for (i = 0; i < ruleNodes.length; i++) { + rule = ruleNodes[i]; + + if (i + 1 === ruleNodes.length) { + context.lastRule = true; + } + + var currentLastRule = context.lastRule; + if (isRulesetLikeNode(rule)) { + context.lastRule = false; + } + + if (rule.genCSS) { + rule.genCSS(context, output); + } else if (rule.value) { + output.add(rule.value.toString()); + } + + context.lastRule = currentLastRule; + + if (!context.lastRule) { + output.add(context.compress ? '' : ('\n' + tabRuleStr)); + } else { + context.lastRule = false; + } + } + + if (!this.root) { + output.add((context.compress ? '}' : '\n' + tabSetStr + '}')); + context.tabLevel--; + } + + if (!output.isEmpty() && !context.compress && this.firstRoot) { + output.add('\n'); + } +}; + +Ruleset.prototype.joinSelectors = function (paths, context, selectors) { + for (var s = 0; s < selectors.length; s++) { + this.joinSelector(paths, context, selectors[s]); + } +}; + +Ruleset.prototype.joinSelector = function (paths, context, selector) { + + function createParenthesis(elementsToPak, originalElement) { + var replacementParen, j; + if (elementsToPak.length === 0) { + replacementParen = new Paren(elementsToPak[0]); + } else { + var insideParent = []; + for (j = 0; j < elementsToPak.length; j++) { + insideParent.push(new Element(null, elementsToPak[j], originalElement.index, originalElement.currentFileInfo)); + } + replacementParen = new Paren(new Selector(insideParent)); + } + return replacementParen; + } + + function createSelector(containedElement, originalElement) { + var element, selector; + element = new Element(null, containedElement, originalElement.index, originalElement.currentFileInfo); + selector = new Selector([element]); + return selector; + } + + // joins selector path from `beginningPath` with selector path in `addPath` + // `replacedElement` contains element that is being replaced by `addPath` + // returns concatenated path + function addReplacementIntoPath(beginningPath, addPath, replacedElement, originalSelector) { + var newSelectorPath, lastSelector, newJoinedSelector; + // our new selector path + newSelectorPath = []; + + //construct the joined selector - if & is the first thing this will be empty, + // if not newJoinedSelector will be the last set of elements in the selector + if (beginningPath.length > 0) { + newSelectorPath = beginningPath.slice(0); + lastSelector = newSelectorPath.pop(); + newJoinedSelector = originalSelector.createDerived(lastSelector.elements.slice(0)); + } + else { + newJoinedSelector = originalSelector.createDerived([]); + } + + if (addPath.length > 0) { + // /deep/ is a combinator that is valid without anything in front of it + // so if the & does not have a combinator that is "" or " " then + // and there is a combinator on the parent, then grab that. + // this also allows + a { & .b { .a & { ... though not sure why you would want to do that + var combinator = replacedElement.combinator, parentEl = addPath[0].elements[0]; + if (combinator.emptyOrWhitespace && !parentEl.combinator.emptyOrWhitespace) { + combinator = parentEl.combinator; + } + // join the elements so far with the first part of the parent + newJoinedSelector.elements.push(new Element(combinator, parentEl.value, replacedElement.index, replacedElement.currentFileInfo)); + newJoinedSelector.elements = newJoinedSelector.elements.concat(addPath[0].elements.slice(1)); + } + + // now add the joined selector - but only if it is not empty + if (newJoinedSelector.elements.length !== 0) { + newSelectorPath.push(newJoinedSelector); + } + + //put together the parent selectors after the join (e.g. the rest of the parent) + if (addPath.length > 1) { + var restOfPath = addPath.slice(1); + restOfPath = restOfPath.map(function (selector) { + return selector.createDerived(selector.elements, []); + }); + newSelectorPath = newSelectorPath.concat(restOfPath); + } + return newSelectorPath; + } + + // joins selector path from `beginningPath` with every selector path in `addPaths` array + // `replacedElement` contains element that is being replaced by `addPath` + // returns array with all concatenated paths + function addAllReplacementsIntoPath( beginningPath, addPaths, replacedElement, originalSelector, result) { + var j; + for (j = 0; j < beginningPath.length; j++) { + var newSelectorPath = addReplacementIntoPath(beginningPath[j], addPaths, replacedElement, originalSelector); + result.push(newSelectorPath); + } + return result; + } + + function mergeElementsOnToSelectors(elements, selectors) { + var i, sel; + + if (elements.length === 0) { + return ; + } + if (selectors.length === 0) { + selectors.push([ new Selector(elements) ]); + return; + } + + for (i = 0; i < selectors.length; i++) { + sel = selectors[i]; + + // if the previous thing in sel is a parent this needs to join on to it + if (sel.length > 0) { + sel[sel.length - 1] = sel[sel.length - 1].createDerived(sel[sel.length - 1].elements.concat(elements)); + } + else { + sel.push(new Selector(elements)); + } + } + } + + // replace all parent selectors inside `inSelector` by content of `context` array + // resulting selectors are returned inside `paths` array + // returns true if `inSelector` contained at least one parent selector + function replaceParentSelector(paths, context, inSelector) { + // The paths are [[Selector]] + // The first list is a list of comma separated selectors + // The inner list is a list of inheritance separated selectors + // e.g. + // .a, .b { + // .c { + // } + // } + // == [[.a] [.c]] [[.b] [.c]] + // + var i, j, k, currentElements, newSelectors, selectorsMultiplied, sel, el, hadParentSelector = false, length, lastSelector; + function findNestedSelector(element) { + var maybeSelector; + if (element.value.type !== 'Paren') { + return null; + } + + maybeSelector = element.value.value; + if (maybeSelector.type !== 'Selector') { + return null; + } + + return maybeSelector; + } + + // the elements from the current selector so far + currentElements = []; + // the current list of new selectors to add to the path. + // We will build it up. We initiate it with one empty selector as we "multiply" the new selectors + // by the parents + newSelectors = [ + [] + ]; + + for (i = 0; i < inSelector.elements.length; i++) { + el = inSelector.elements[i]; + // non parent reference elements just get added + if (el.value !== "&") { + var nestedSelector = findNestedSelector(el); + if (nestedSelector != null) { + // merge the current list of non parent selector elements + // on to the current list of selectors to add + mergeElementsOnToSelectors(currentElements, newSelectors); + + var nestedPaths = [], replaced, replacedNewSelectors = []; + replaced = replaceParentSelector(nestedPaths, context, nestedSelector); + hadParentSelector = hadParentSelector || replaced; + //the nestedPaths array should have only one member - replaceParentSelector does not multiply selectors + for (k = 0; k < nestedPaths.length; k++) { + var replacementSelector = createSelector(createParenthesis(nestedPaths[k], el), el); + addAllReplacementsIntoPath(newSelectors, [replacementSelector], el, inSelector, replacedNewSelectors); + } + newSelectors = replacedNewSelectors; + currentElements = []; + + } else { + currentElements.push(el); + } + + } else { + hadParentSelector = true; + // the new list of selectors to add + selectorsMultiplied = []; + + // merge the current list of non parent selector elements + // on to the current list of selectors to add + mergeElementsOnToSelectors(currentElements, newSelectors); + + // loop through our current selectors + for (j = 0; j < newSelectors.length; j++) { + sel = newSelectors[j]; + // if we don't have any parent paths, the & might be in a mixin so that it can be used + // whether there are parents or not + if (context.length === 0) { + // the combinator used on el should now be applied to the next element instead so that + // it is not lost + if (sel.length > 0) { + sel[0].elements.push(new Element(el.combinator, '', el.index, el.currentFileInfo)); + } + selectorsMultiplied.push(sel); + } + else { + // and the parent selectors + for (k = 0; k < context.length; k++) { + // We need to put the current selectors + // then join the last selector's elements on to the parents selectors + var newSelectorPath = addReplacementIntoPath(sel, context[k], el, inSelector); + // add that to our new set of selectors + selectorsMultiplied.push(newSelectorPath); + } + } + } + + // our new selectors has been multiplied, so reset the state + newSelectors = selectorsMultiplied; + currentElements = []; + } + } + + // if we have any elements left over (e.g. .a& .b == .b) + // add them on to all the current selectors + mergeElementsOnToSelectors(currentElements, newSelectors); + + for (i = 0; i < newSelectors.length; i++) { + length = newSelectors[i].length; + if (length > 0) { + paths.push(newSelectors[i]); + lastSelector = newSelectors[i][length - 1]; + newSelectors[i][length - 1] = lastSelector.createDerived(lastSelector.elements, inSelector.extendList); + //newSelectors[i][length - 1].copyVisibilityInfo(inSelector.visibilityInfo()); + } + } + + return hadParentSelector; + } + + function deriveSelector(visibilityInfo, deriveFrom) { + var newSelector = deriveFrom.createDerived(deriveFrom.elements, deriveFrom.extendList, deriveFrom.evaldCondition); + newSelector.copyVisibilityInfo(visibilityInfo); + return newSelector; + } + + // joinSelector code follows + var i, newPaths, hadParentSelector; + + newPaths = []; + hadParentSelector = replaceParentSelector(newPaths, context, selector); + + if (!hadParentSelector) { + if (context.length > 0) { + newPaths = []; + for (i = 0; i < context.length; i++) { + //var concatenated = []; + //context[i].forEach(function(entry) { + // var newEntry = entry.createDerived(entry.elements, entry.extendList, entry.evaldCondition); + // newEntry.copyVisibilityInfo(selector.visibilityInfo()); + // concatenated.push(newEntry); + //}, this); + var concatenated = context[i].map(deriveSelector.bind(this, selector.visibilityInfo())); + + concatenated.push(selector); + newPaths.push(concatenated); + } + } + else { + newPaths = [[selector]]; + } + } + + for (i = 0; i < newPaths.length; i++) { + paths.push(newPaths[i]); + } + +}; +module.exports = Ruleset; + +},{"../contexts":11,"../functions/default":20,"../functions/function-registry":22,"./debug-info":54,"./element":58,"./node":70,"./paren":72,"./rule":74,"./selector":77}],77:[function(require,module,exports){ +var Node = require("./node"), + Element = require("./element"); + +var Selector = function (elements, extendList, condition, index, currentFileInfo, visibilityInfo) { + this.elements = elements; + this.extendList = extendList; + this.condition = condition; + this.currentFileInfo = currentFileInfo || {}; + if (!condition) { + this.evaldCondition = true; + } + this.copyVisibilityInfo(visibilityInfo); +}; +Selector.prototype = new Node(); +Selector.prototype.type = "Selector"; +Selector.prototype.accept = function (visitor) { + if (this.elements) { + this.elements = visitor.visitArray(this.elements); + } + if (this.extendList) { + this.extendList = visitor.visitArray(this.extendList); + } + if (this.condition) { + this.condition = visitor.visit(this.condition); + } +}; +Selector.prototype.createDerived = function(elements, extendList, evaldCondition) { + var info = this.visibilityInfo(); + evaldCondition = (evaldCondition != null) ? evaldCondition : this.evaldCondition; + var newSelector = new Selector(elements, extendList || this.extendList, null, this.index, this.currentFileInfo, info); + newSelector.evaldCondition = evaldCondition; + newSelector.mediaEmpty = this.mediaEmpty; + return newSelector; +}; +Selector.prototype.createEmptySelectors = function() { + var el = new Element('', '&', this.index, this.currentFileInfo), + sels = [new Selector([el], null, null, this.index, this.currentFileInfo)]; + sels[0].mediaEmpty = true; + return sels; +}; +Selector.prototype.match = function (other) { + var elements = this.elements, + len = elements.length, + olen, i; + + other.CacheElements(); + + olen = other._elements.length; + if (olen === 0 || len < olen) { + return 0; + } else { + for (i = 0; i < olen; i++) { + if (elements[i].value !== other._elements[i]) { + return 0; + } + } + } + + return olen; // return number of matched elements +}; +Selector.prototype.CacheElements = function() { + if (this._elements) { + return; + } + + var elements = this.elements.map( function(v) { + return v.combinator.value + (v.value.value || v.value); + }).join("").match(/[,&#\*\.\w-]([\w-]|(\\.))*/g); + + if (elements) { + if (elements[0] === "&") { + elements.shift(); + } + } else { + elements = []; + } + + this._elements = elements; +}; +Selector.prototype.isJustParentSelector = function() { + return !this.mediaEmpty && + this.elements.length === 1 && + this.elements[0].value === '&' && + (this.elements[0].combinator.value === ' ' || this.elements[0].combinator.value === ''); +}; +Selector.prototype.eval = function (context) { + var evaldCondition = this.condition && this.condition.eval(context), + elements = this.elements, extendList = this.extendList; + + elements = elements && elements.map(function (e) { return e.eval(context); }); + extendList = extendList && extendList.map(function(extend) { return extend.eval(context); }); + + return this.createDerived(elements, extendList, evaldCondition); +}; +Selector.prototype.genCSS = function (context, output) { + var i, element; + if ((!context || !context.firstSelector) && this.elements[0].combinator.value === "") { + output.add(' ', this.currentFileInfo, this.index); + } + if (!this._css) { + //TODO caching? speed comparison? + for (i = 0; i < this.elements.length; i++) { + element = this.elements[i]; + element.genCSS(context, output); + } + } +}; +Selector.prototype.getIsOutput = function() { + return this.evaldCondition; +}; +module.exports = Selector; + +},{"./element":58,"./node":70}],78:[function(require,module,exports){ +var Node = require("./node"); + +var UnicodeDescriptor = function (value) { + this.value = value; +}; +UnicodeDescriptor.prototype = new Node(); +UnicodeDescriptor.prototype.type = "UnicodeDescriptor"; + +module.exports = UnicodeDescriptor; + +},{"./node":70}],79:[function(require,module,exports){ +var Node = require("./node"), + unitConversions = require("../data/unit-conversions"); + +var Unit = function (numerator, denominator, backupUnit) { + this.numerator = numerator ? numerator.slice(0).sort() : []; + this.denominator = denominator ? denominator.slice(0).sort() : []; + if (backupUnit) { + this.backupUnit = backupUnit; + } else if (numerator && numerator.length) { + this.backupUnit = numerator[0]; + } +}; + +Unit.prototype = new Node(); +Unit.prototype.type = "Unit"; +Unit.prototype.clone = function () { + return new Unit(this.numerator.slice(0), this.denominator.slice(0), this.backupUnit); +}; +Unit.prototype.genCSS = function (context, output) { + // Dimension checks the unit is singular and throws an error if in strict math mode. + var strictUnits = context && context.strictUnits; + if (this.numerator.length === 1) { + output.add(this.numerator[0]); // the ideal situation + } else if (!strictUnits && this.backupUnit) { + output.add(this.backupUnit); + } else if (!strictUnits && this.denominator.length) { + output.add(this.denominator[0]); + } +}; +Unit.prototype.toString = function () { + var i, returnStr = this.numerator.join("*"); + for (i = 0; i < this.denominator.length; i++) { + returnStr += "/" + this.denominator[i]; + } + return returnStr; +}; +Unit.prototype.compare = function (other) { + return this.is(other.toString()) ? 0 : undefined; +}; +Unit.prototype.is = function (unitString) { + return this.toString().toUpperCase() === unitString.toUpperCase(); +}; +Unit.prototype.isLength = function () { + return Boolean(this.toCSS().match(/px|em|%|in|cm|mm|pc|pt|ex/)); +}; +Unit.prototype.isEmpty = function () { + return this.numerator.length === 0 && this.denominator.length === 0; +}; +Unit.prototype.isSingular = function() { + return this.numerator.length <= 1 && this.denominator.length === 0; +}; +Unit.prototype.map = function(callback) { + var i; + + for (i = 0; i < this.numerator.length; i++) { + this.numerator[i] = callback(this.numerator[i], false); + } + + for (i = 0; i < this.denominator.length; i++) { + this.denominator[i] = callback(this.denominator[i], true); + } +}; +Unit.prototype.usedUnits = function() { + var group, result = {}, mapUnit, groupName; + + mapUnit = function (atomicUnit) { + /*jshint loopfunc:true */ + if (group.hasOwnProperty(atomicUnit) && !result[groupName]) { + result[groupName] = atomicUnit; + } + + return atomicUnit; + }; + + for (groupName in unitConversions) { + if (unitConversions.hasOwnProperty(groupName)) { + group = unitConversions[groupName]; + + this.map(mapUnit); + } + } + + return result; +}; +Unit.prototype.cancel = function () { + var counter = {}, atomicUnit, i; + + for (i = 0; i < this.numerator.length; i++) { + atomicUnit = this.numerator[i]; + counter[atomicUnit] = (counter[atomicUnit] || 0) + 1; + } + + for (i = 0; i < this.denominator.length; i++) { + atomicUnit = this.denominator[i]; + counter[atomicUnit] = (counter[atomicUnit] || 0) - 1; + } + + this.numerator = []; + this.denominator = []; + + for (atomicUnit in counter) { + if (counter.hasOwnProperty(atomicUnit)) { + var count = counter[atomicUnit]; + + if (count > 0) { + for (i = 0; i < count; i++) { + this.numerator.push(atomicUnit); + } + } else if (count < 0) { + for (i = 0; i < -count; i++) { + this.denominator.push(atomicUnit); + } + } + } + } + + this.numerator.sort(); + this.denominator.sort(); +}; +module.exports = Unit; + +},{"../data/unit-conversions":14,"./node":70}],80:[function(require,module,exports){ +var Node = require("./node"); + +var URL = function (val, index, currentFileInfo, isEvald) { + this.value = val; + this.currentFileInfo = currentFileInfo; + this.index = index; + this.isEvald = isEvald; +}; +URL.prototype = new Node(); +URL.prototype.type = "Url"; +URL.prototype.accept = function (visitor) { + this.value = visitor.visit(this.value); +}; +URL.prototype.genCSS = function (context, output) { + output.add("url("); + this.value.genCSS(context, output); + output.add(")"); +}; +URL.prototype.eval = function (context) { + var val = this.value.eval(context), + rootpath; + + if (!this.isEvald) { + // Add the base path if the URL is relative + rootpath = this.currentFileInfo && this.currentFileInfo.rootpath; + if (rootpath && + typeof val.value === "string" && + context.isPathRelative(val.value)) { + + if (!val.quote) { + rootpath = rootpath.replace(/[\(\)'"\s]/g, function(match) { return "\\" + match; }); + } + val.value = rootpath + val.value; + } + + val.value = context.normalizePath(val.value); + + // Add url args if enabled + if (context.urlArgs) { + if (!val.value.match(/^\s*data:/)) { + var delimiter = val.value.indexOf('?') === -1 ? '?' : '&'; + var urlArgs = delimiter + context.urlArgs; + if (val.value.indexOf('#') !== -1) { + val.value = val.value.replace('#', urlArgs + '#'); + } else { + val.value += urlArgs; + } + } + } + } + + return new URL(val, this.index, this.currentFileInfo, true); +}; +module.exports = URL; + +},{"./node":70}],81:[function(require,module,exports){ +var Node = require("./node"); + +var Value = function (value) { + this.value = value; + if (!value) { + throw new Error("Value requires an array argument"); + } +}; +Value.prototype = new Node(); +Value.prototype.type = "Value"; +Value.prototype.accept = function (visitor) { + if (this.value) { + this.value = visitor.visitArray(this.value); + } +}; +Value.prototype.eval = function (context) { + if (this.value.length === 1) { + return this.value[0].eval(context); + } else { + return new Value(this.value.map(function (v) { + return v.eval(context); + })); + } +}; +Value.prototype.genCSS = function (context, output) { + var i; + for (i = 0; i < this.value.length; i++) { + this.value[i].genCSS(context, output); + if (i + 1 < this.value.length) { + output.add((context && context.compress) ? ',' : ', '); + } + } +}; +module.exports = Value; + +},{"./node":70}],82:[function(require,module,exports){ +var Node = require("./node"); + +var Variable = function (name, index, currentFileInfo) { + this.name = name; + this.index = index; + this.currentFileInfo = currentFileInfo || {}; +}; +Variable.prototype = new Node(); +Variable.prototype.type = "Variable"; +Variable.prototype.eval = function (context) { + var variable, name = this.name; + + if (name.indexOf('@@') === 0) { + name = '@' + new Variable(name.slice(1), this.index, this.currentFileInfo).eval(context).value; + } + + if (this.evaluating) { + throw { type: 'Name', + message: "Recursive variable definition for " + name, + filename: this.currentFileInfo.filename, + index: this.index }; + } + + this.evaluating = true; + + variable = this.find(context.frames, function (frame) { + var v = frame.variable(name); + if (v) { + if (v.important) { + var importantScope = context.importantScope[context.importantScope.length - 1]; + importantScope.important = v.important; + } + return v.value.eval(context); + } + }); + if (variable) { + this.evaluating = false; + return variable; + } else { + throw { type: 'Name', + message: "variable " + name + " is undefined", + filename: this.currentFileInfo.filename, + index: this.index }; + } +}; +Variable.prototype.find = function (obj, fun) { + for (var i = 0, r; i < obj.length; i++) { + r = fun.call(obj, obj[i]); + if (r) { return r; } + } + return null; +}; +module.exports = Variable; + +},{"./node":70}],83:[function(require,module,exports){ +module.exports = { + getLocation: function(index, inputStream) { + var n = index + 1, + line = null, + column = -1; + + while (--n >= 0 && inputStream.charAt(n) !== '\n') { + column++; + } + + if (typeof index === 'number') { + line = (inputStream.slice(0, index).match(/\n/g) || "").length; + } + + return { + line: line, + column: column + }; + } +}; + +},{}],84:[function(require,module,exports){ +var tree = require("../tree"), + Visitor = require("./visitor"), + logger = require("../logger"); + +/*jshint loopfunc:true */ + +var ExtendFinderVisitor = function() { + this._visitor = new Visitor(this); + this.contexts = []; + this.allExtendsStack = [[]]; +}; + +ExtendFinderVisitor.prototype = { + run: function (root) { + root = this._visitor.visit(root); + root.allExtends = this.allExtendsStack[0]; + return root; + }, + visitRule: function (ruleNode, visitArgs) { + visitArgs.visitDeeper = false; + }, + visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { + visitArgs.visitDeeper = false; + }, + visitRuleset: function (rulesetNode, visitArgs) { + if (rulesetNode.root) { + return; + } + + var i, j, extend, allSelectorsExtendList = [], extendList; + + // get &:extend(.a); rules which apply to all selectors in this ruleset + var rules = rulesetNode.rules, ruleCnt = rules ? rules.length : 0; + for (i = 0; i < ruleCnt; i++) { + if (rulesetNode.rules[i] instanceof tree.Extend) { + allSelectorsExtendList.push(rules[i]); + rulesetNode.extendOnEveryPath = true; + } + } + + // now find every selector and apply the extends that apply to all extends + // and the ones which apply to an individual extend + var paths = rulesetNode.paths; + for (i = 0; i < paths.length; i++) { + var selectorPath = paths[i], + selector = selectorPath[selectorPath.length - 1], + selExtendList = selector.extendList; + + extendList = selExtendList ? selExtendList.slice(0).concat(allSelectorsExtendList) + : allSelectorsExtendList; + + if (extendList) { + extendList = extendList.map(function(allSelectorsExtend) { + return allSelectorsExtend.clone(); + }); + } + + for (j = 0; j < extendList.length; j++) { + this.foundExtends = true; + extend = extendList[j]; + extend.findSelfSelectors(selectorPath); + extend.ruleset = rulesetNode; + if (j === 0) { extend.firstExtendOnThisSelectorPath = true; } + this.allExtendsStack[this.allExtendsStack.length - 1].push(extend); + } + } + + this.contexts.push(rulesetNode.selectors); + }, + visitRulesetOut: function (rulesetNode) { + if (!rulesetNode.root) { + this.contexts.length = this.contexts.length - 1; + } + }, + visitMedia: function (mediaNode, visitArgs) { + mediaNode.allExtends = []; + this.allExtendsStack.push(mediaNode.allExtends); + }, + visitMediaOut: function (mediaNode) { + this.allExtendsStack.length = this.allExtendsStack.length - 1; + }, + visitDirective: function (directiveNode, visitArgs) { + directiveNode.allExtends = []; + this.allExtendsStack.push(directiveNode.allExtends); + }, + visitDirectiveOut: function (directiveNode) { + this.allExtendsStack.length = this.allExtendsStack.length - 1; + } +}; + +var ProcessExtendsVisitor = function() { + this._visitor = new Visitor(this); +}; + +ProcessExtendsVisitor.prototype = { + run: function(root) { + var extendFinder = new ExtendFinderVisitor(); + this.extendIndices = {}; + extendFinder.run(root); + if (!extendFinder.foundExtends) { return root; } + root.allExtends = root.allExtends.concat(this.doExtendChaining(root.allExtends, root.allExtends)); + this.allExtendsStack = [root.allExtends]; + var newRoot = this._visitor.visit(root); + this.checkExtendsForNonMatched(root.allExtends); + return newRoot; + }, + checkExtendsForNonMatched: function(extendList) { + var indices = this.extendIndices; + extendList.filter(function(extend) { + return !extend.hasFoundMatches && extend.parent_ids.length == 1; + }).forEach(function(extend) { + var selector = "_unknown_"; + try { + selector = extend.selector.toCSS({}); + } + catch(_) {} + + if (!indices[extend.index + ' ' + selector]) { + indices[extend.index + ' ' + selector] = true; + logger.warn("extend '" + selector + "' has no matches"); + } + }); + }, + doExtendChaining: function (extendsList, extendsListTarget, iterationCount) { + // + // chaining is different from normal extension.. if we extend an extend then we are not just copying, altering + // and pasting the selector we would do normally, but we are also adding an extend with the same target selector + // this means this new extend can then go and alter other extends + // + // this method deals with all the chaining work - without it, extend is flat and doesn't work on other extend selectors + // this is also the most expensive.. and a match on one selector can cause an extension of a selector we had already + // processed if we look at each selector at a time, as is done in visitRuleset + + var extendIndex, targetExtendIndex, matches, extendsToAdd = [], newSelector, extendVisitor = this, selectorPath, + extend, targetExtend, newExtend; + + iterationCount = iterationCount || 0; + + //loop through comparing every extend with every target extend. + // a target extend is the one on the ruleset we are looking at copy/edit/pasting in place + // e.g. .a:extend(.b) {} and .b:extend(.c) {} then the first extend extends the second one + // and the second is the target. + // the separation into two lists allows us to process a subset of chains with a bigger set, as is the + // case when processing media queries + for (extendIndex = 0; extendIndex < extendsList.length; extendIndex++) { + for (targetExtendIndex = 0; targetExtendIndex < extendsListTarget.length; targetExtendIndex++) { + + extend = extendsList[extendIndex]; + targetExtend = extendsListTarget[targetExtendIndex]; + + // look for circular references + if ( extend.parent_ids.indexOf( targetExtend.object_id ) >= 0 ) { continue; } + + // find a match in the target extends self selector (the bit before :extend) + selectorPath = [targetExtend.selfSelectors[0]]; + matches = extendVisitor.findMatch(extend, selectorPath); + + if (matches.length) { + extend.hasFoundMatches = true; + + // we found a match, so for each self selector.. + extend.selfSelectors.forEach(function(selfSelector) { + var info = targetExtend.visibilityInfo(); + + // process the extend as usual + newSelector = extendVisitor.extendSelector(matches, selectorPath, selfSelector, extend.isVisible()); + + // but now we create a new extend from it + newExtend = new(tree.Extend)(targetExtend.selector, targetExtend.option, 0, targetExtend.currentFileInfo, info); + newExtend.selfSelectors = newSelector; + + // add the extend onto the list of extends for that selector + newSelector[newSelector.length - 1].extendList = [newExtend]; + + // record that we need to add it. + extendsToAdd.push(newExtend); + newExtend.ruleset = targetExtend.ruleset; + + //remember its parents for circular references + newExtend.parent_ids = newExtend.parent_ids.concat(targetExtend.parent_ids, extend.parent_ids); + + // only process the selector once.. if we have :extend(.a,.b) then multiple + // extends will look at the same selector path, so when extending + // we know that any others will be duplicates in terms of what is added to the css + if (targetExtend.firstExtendOnThisSelectorPath) { + newExtend.firstExtendOnThisSelectorPath = true; + targetExtend.ruleset.paths.push(newSelector); + } + }); + } + } + } + + if (extendsToAdd.length) { + // try to detect circular references to stop a stack overflow. + // may no longer be needed. + this.extendChainCount++; + if (iterationCount > 100) { + var selectorOne = "{unable to calculate}"; + var selectorTwo = "{unable to calculate}"; + try { + selectorOne = extendsToAdd[0].selfSelectors[0].toCSS(); + selectorTwo = extendsToAdd[0].selector.toCSS(); + } + catch(e) {} + throw { message: "extend circular reference detected. One of the circular extends is currently:" + + selectorOne + ":extend(" + selectorTwo + ")"}; + } + + // now process the new extends on the existing rules so that we can handle a extending b extending c extending + // d extending e... + return extendsToAdd.concat(extendVisitor.doExtendChaining(extendsToAdd, extendsListTarget, iterationCount + 1)); + } else { + return extendsToAdd; + } + }, + visitRule: function (ruleNode, visitArgs) { + visitArgs.visitDeeper = false; + }, + visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { + visitArgs.visitDeeper = false; + }, + visitSelector: function (selectorNode, visitArgs) { + visitArgs.visitDeeper = false; + }, + visitRuleset: function (rulesetNode, visitArgs) { + if (rulesetNode.root) { + return; + } + var matches, pathIndex, extendIndex, allExtends = this.allExtendsStack[this.allExtendsStack.length - 1], + selectorsToAdd = [], extendVisitor = this, selectorPath; + + // look at each selector path in the ruleset, find any extend matches and then copy, find and replace + + for (extendIndex = 0; extendIndex < allExtends.length; extendIndex++) { + for (pathIndex = 0; pathIndex < rulesetNode.paths.length; pathIndex++) { + selectorPath = rulesetNode.paths[pathIndex]; + + // extending extends happens initially, before the main pass + if (rulesetNode.extendOnEveryPath) { continue; } + var extendList = selectorPath[selectorPath.length - 1].extendList; + if (extendList && extendList.length) { continue; } + + matches = this.findMatch(allExtends[extendIndex], selectorPath); + + if (matches.length) { + allExtends[extendIndex].hasFoundMatches = true; + + allExtends[extendIndex].selfSelectors.forEach(function(selfSelector) { + var extendedSelectors; + extendedSelectors = extendVisitor.extendSelector(matches, selectorPath, selfSelector, allExtends[extendIndex].isVisible()); + selectorsToAdd.push(extendedSelectors); + }); + } + } + } + rulesetNode.paths = rulesetNode.paths.concat(selectorsToAdd); + }, + findMatch: function (extend, haystackSelectorPath) { + // + // look through the haystack selector path to try and find the needle - extend.selector + // returns an array of selector matches that can then be replaced + // + var haystackSelectorIndex, hackstackSelector, hackstackElementIndex, haystackElement, + targetCombinator, i, + extendVisitor = this, + needleElements = extend.selector.elements, + potentialMatches = [], potentialMatch, matches = []; + + // loop through the haystack elements + for (haystackSelectorIndex = 0; haystackSelectorIndex < haystackSelectorPath.length; haystackSelectorIndex++) { + hackstackSelector = haystackSelectorPath[haystackSelectorIndex]; + + for (hackstackElementIndex = 0; hackstackElementIndex < hackstackSelector.elements.length; hackstackElementIndex++) { + + haystackElement = hackstackSelector.elements[hackstackElementIndex]; + + // if we allow elements before our match we can add a potential match every time. otherwise only at the first element. + if (extend.allowBefore || (haystackSelectorIndex === 0 && hackstackElementIndex === 0)) { + potentialMatches.push({pathIndex: haystackSelectorIndex, index: hackstackElementIndex, matched: 0, + initialCombinator: haystackElement.combinator}); + } + + for (i = 0; i < potentialMatches.length; i++) { + potentialMatch = potentialMatches[i]; + + // selectors add " " onto the first element. When we use & it joins the selectors together, but if we don't + // then each selector in haystackSelectorPath has a space before it added in the toCSS phase. so we need to + // work out what the resulting combinator will be + targetCombinator = haystackElement.combinator.value; + if (targetCombinator === '' && hackstackElementIndex === 0) { + targetCombinator = ' '; + } + + // if we don't match, null our match to indicate failure + if (!extendVisitor.isElementValuesEqual(needleElements[potentialMatch.matched].value, haystackElement.value) || + (potentialMatch.matched > 0 && needleElements[potentialMatch.matched].combinator.value !== targetCombinator)) { + potentialMatch = null; + } else { + potentialMatch.matched++; + } + + // if we are still valid and have finished, test whether we have elements after and whether these are allowed + if (potentialMatch) { + potentialMatch.finished = potentialMatch.matched === needleElements.length; + if (potentialMatch.finished && + (!extend.allowAfter && + (hackstackElementIndex + 1 < hackstackSelector.elements.length || haystackSelectorIndex + 1 < haystackSelectorPath.length))) { + potentialMatch = null; + } + } + // if null we remove, if not, we are still valid, so either push as a valid match or continue + if (potentialMatch) { + if (potentialMatch.finished) { + potentialMatch.length = needleElements.length; + potentialMatch.endPathIndex = haystackSelectorIndex; + potentialMatch.endPathElementIndex = hackstackElementIndex + 1; // index after end of match + potentialMatches.length = 0; // we don't allow matches to overlap, so start matching again + matches.push(potentialMatch); + } + } else { + potentialMatches.splice(i, 1); + i--; + } + } + } + } + return matches; + }, + isElementValuesEqual: function(elementValue1, elementValue2) { + if (typeof elementValue1 === "string" || typeof elementValue2 === "string") { + return elementValue1 === elementValue2; + } + if (elementValue1 instanceof tree.Attribute) { + if (elementValue1.op !== elementValue2.op || elementValue1.key !== elementValue2.key) { + return false; + } + if (!elementValue1.value || !elementValue2.value) { + if (elementValue1.value || elementValue2.value) { + return false; + } + return true; + } + elementValue1 = elementValue1.value.value || elementValue1.value; + elementValue2 = elementValue2.value.value || elementValue2.value; + return elementValue1 === elementValue2; + } + elementValue1 = elementValue1.value; + elementValue2 = elementValue2.value; + if (elementValue1 instanceof tree.Selector) { + if (!(elementValue2 instanceof tree.Selector) || elementValue1.elements.length !== elementValue2.elements.length) { + return false; + } + for (var i = 0; i < elementValue1.elements.length; i++) { + if (elementValue1.elements[i].combinator.value !== elementValue2.elements[i].combinator.value) { + if (i !== 0 || (elementValue1.elements[i].combinator.value || ' ') !== (elementValue2.elements[i].combinator.value || ' ')) { + return false; + } + } + if (!this.isElementValuesEqual(elementValue1.elements[i].value, elementValue2.elements[i].value)) { + return false; + } + } + return true; + } + return false; + }, + extendSelector:function (matches, selectorPath, replacementSelector, isVisible) { + + //for a set of matches, replace each match with the replacement selector + + var currentSelectorPathIndex = 0, + currentSelectorPathElementIndex = 0, + path = [], + matchIndex, + selector, + firstElement, + match, + newElements; + + for (matchIndex = 0; matchIndex < matches.length; matchIndex++) { + match = matches[matchIndex]; + selector = selectorPath[match.pathIndex]; + firstElement = new tree.Element( + match.initialCombinator, + replacementSelector.elements[0].value, + replacementSelector.elements[0].index, + replacementSelector.elements[0].currentFileInfo + ); + + if (match.pathIndex > currentSelectorPathIndex && currentSelectorPathElementIndex > 0) { + path[path.length - 1].elements = path[path.length - 1] + .elements.concat(selectorPath[currentSelectorPathIndex].elements.slice(currentSelectorPathElementIndex)); + currentSelectorPathElementIndex = 0; + currentSelectorPathIndex++; + } + + newElements = selector.elements + .slice(currentSelectorPathElementIndex, match.index) + .concat([firstElement]) + .concat(replacementSelector.elements.slice(1)); + + if (currentSelectorPathIndex === match.pathIndex && matchIndex > 0) { + path[path.length - 1].elements = + path[path.length - 1].elements.concat(newElements); + } else { + path = path.concat(selectorPath.slice(currentSelectorPathIndex, match.pathIndex)); + + path.push(new tree.Selector( + newElements + )); + } + currentSelectorPathIndex = match.endPathIndex; + currentSelectorPathElementIndex = match.endPathElementIndex; + if (currentSelectorPathElementIndex >= selectorPath[currentSelectorPathIndex].elements.length) { + currentSelectorPathElementIndex = 0; + currentSelectorPathIndex++; + } + } + + if (currentSelectorPathIndex < selectorPath.length && currentSelectorPathElementIndex > 0) { + path[path.length - 1].elements = path[path.length - 1] + .elements.concat(selectorPath[currentSelectorPathIndex].elements.slice(currentSelectorPathElementIndex)); + currentSelectorPathIndex++; + } + + path = path.concat(selectorPath.slice(currentSelectorPathIndex, selectorPath.length)); + path = path.map(function (currentValue) { + // we can re-use elements here, because the visibility property matters only for selectors + var derived = currentValue.createDerived(currentValue.elements); + if (isVisible) { + derived.ensureVisibility(); + } else { + derived.ensureInvisibility(); + } + return derived; + }); + return path; + }, + visitMedia: function (mediaNode, visitArgs) { + var newAllExtends = mediaNode.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length - 1]); + newAllExtends = newAllExtends.concat(this.doExtendChaining(newAllExtends, mediaNode.allExtends)); + this.allExtendsStack.push(newAllExtends); + }, + visitMediaOut: function (mediaNode) { + var lastIndex = this.allExtendsStack.length - 1; + this.allExtendsStack.length = lastIndex; + }, + visitDirective: function (directiveNode, visitArgs) { + var newAllExtends = directiveNode.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length - 1]); + newAllExtends = newAllExtends.concat(this.doExtendChaining(newAllExtends, directiveNode.allExtends)); + this.allExtendsStack.push(newAllExtends); + }, + visitDirectiveOut: function (directiveNode) { + var lastIndex = this.allExtendsStack.length - 1; + this.allExtendsStack.length = lastIndex; + } +}; + +module.exports = ProcessExtendsVisitor; + +},{"../logger":33,"../tree":62,"./visitor":91}],85:[function(require,module,exports){ +function ImportSequencer(onSequencerEmpty) { + this.imports = []; + this.variableImports = []; + this._onSequencerEmpty = onSequencerEmpty; + this._currentDepth = 0; +} + +ImportSequencer.prototype.addImport = function(callback) { + var importSequencer = this, + importItem = { + callback: callback, + args: null, + isReady: false + }; + this.imports.push(importItem); + return function() { + importItem.args = Array.prototype.slice.call(arguments, 0); + importItem.isReady = true; + importSequencer.tryRun(); + }; +}; + +ImportSequencer.prototype.addVariableImport = function(callback) { + this.variableImports.push(callback); +}; + +ImportSequencer.prototype.tryRun = function() { + this._currentDepth++; + try { + while (true) { + while (this.imports.length > 0) { + var importItem = this.imports[0]; + if (!importItem.isReady) { + return; + } + this.imports = this.imports.slice(1); + importItem.callback.apply(null, importItem.args); + } + if (this.variableImports.length === 0) { + break; + } + var variableImport = this.variableImports[0]; + this.variableImports = this.variableImports.slice(1); + variableImport(); + } + } finally { + this._currentDepth--; + } + if (this._currentDepth === 0 && this._onSequencerEmpty) { + this._onSequencerEmpty(); + } +}; + +module.exports = ImportSequencer; + +},{}],86:[function(require,module,exports){ +var contexts = require("../contexts"), + Visitor = require("./visitor"), + ImportSequencer = require("./import-sequencer"); + +var ImportVisitor = function(importer, finish) { + + this._visitor = new Visitor(this); + this._importer = importer; + this._finish = finish; + this.context = new contexts.Eval(); + this.importCount = 0; + this.onceFileDetectionMap = {}; + this.recursionDetector = {}; + this._sequencer = new ImportSequencer(this._onSequencerEmpty.bind(this)); +}; + +ImportVisitor.prototype = { + isReplacing: false, + run: function (root) { + try { + // process the contents + this._visitor.visit(root); + } + catch(e) { + this.error = e; + } + + this.isFinished = true; + this._sequencer.tryRun(); + }, + _onSequencerEmpty: function() { + if (!this.isFinished) { + return; + } + this._finish(this.error); + }, + visitImport: function (importNode, visitArgs) { + var inlineCSS = importNode.options.inline; + + if (!importNode.css || inlineCSS) { + + var context = new contexts.Eval(this.context, this.context.frames.slice(0)); + var importParent = context.frames[0]; + + this.importCount++; + if (importNode.isVariableImport()) { + this._sequencer.addVariableImport(this.processImportNode.bind(this, importNode, context, importParent)); + } else { + this.processImportNode(importNode, context, importParent); + } + } + visitArgs.visitDeeper = false; + }, + processImportNode: function(importNode, context, importParent) { + var evaldImportNode, + inlineCSS = importNode.options.inline; + + try { + evaldImportNode = importNode.evalForImport(context); + } catch(e) { + if (!e.filename) { e.index = importNode.index; e.filename = importNode.currentFileInfo.filename; } + // attempt to eval properly and treat as css + importNode.css = true; + // if that fails, this error will be thrown + importNode.error = e; + } + + if (evaldImportNode && (!evaldImportNode.css || inlineCSS)) { + + if (evaldImportNode.options.multiple) { + context.importMultiple = true; + } + + // try appending if we haven't determined if it is css or not + var tryAppendLessExtension = evaldImportNode.css === undefined; + + for (var i = 0; i < importParent.rules.length; i++) { + if (importParent.rules[i] === importNode) { + importParent.rules[i] = evaldImportNode; + break; + } + } + + var onImported = this.onImported.bind(this, evaldImportNode, context), + sequencedOnImported = this._sequencer.addImport(onImported); + + this._importer.push(evaldImportNode.getPath(), tryAppendLessExtension, evaldImportNode.currentFileInfo, + evaldImportNode.options, sequencedOnImported); + } else { + this.importCount--; + if (this.isFinished) { + this._sequencer.tryRun(); + } + } + }, + onImported: function (importNode, context, e, root, importedAtRoot, fullPath) { + if (e) { + if (!e.filename) { + e.index = importNode.index; e.filename = importNode.currentFileInfo.filename; + } + this.error = e; + } + + var importVisitor = this, + inlineCSS = importNode.options.inline, + isPlugin = importNode.options.plugin, + isOptional = importNode.options.optional, + duplicateImport = importedAtRoot || fullPath in importVisitor.recursionDetector; + + if (!context.importMultiple) { + if (duplicateImport) { + importNode.skip = true; + } else { + importNode.skip = function() { + if (fullPath in importVisitor.onceFileDetectionMap) { + return true; + } + importVisitor.onceFileDetectionMap[fullPath] = true; + return false; + }; + } + } + + if (!fullPath && isOptional) { + importNode.skip = true; + } + + if (root) { + importNode.root = root; + importNode.importedFilename = fullPath; + + if (!inlineCSS && !isPlugin && (context.importMultiple || !duplicateImport)) { + importVisitor.recursionDetector[fullPath] = true; + + var oldContext = this.context; + this.context = context; + try { + this._visitor.visit(root); + } catch (e) { + this.error = e; + } + this.context = oldContext; + } + } + + importVisitor.importCount--; + + if (importVisitor.isFinished) { + importVisitor._sequencer.tryRun(); + } + }, + visitRule: function (ruleNode, visitArgs) { + if (ruleNode.value.type === "DetachedRuleset") { + this.context.frames.unshift(ruleNode); + } else { + visitArgs.visitDeeper = false; + } + }, + visitRuleOut : function(ruleNode) { + if (ruleNode.value.type === "DetachedRuleset") { + this.context.frames.shift(); + } + }, + visitDirective: function (directiveNode, visitArgs) { + this.context.frames.unshift(directiveNode); + }, + visitDirectiveOut: function (directiveNode) { + this.context.frames.shift(); + }, + visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { + this.context.frames.unshift(mixinDefinitionNode); + }, + visitMixinDefinitionOut: function (mixinDefinitionNode) { + this.context.frames.shift(); + }, + visitRuleset: function (rulesetNode, visitArgs) { + this.context.frames.unshift(rulesetNode); + }, + visitRulesetOut: function (rulesetNode) { + this.context.frames.shift(); + }, + visitMedia: function (mediaNode, visitArgs) { + this.context.frames.unshift(mediaNode.rules[0]); + }, + visitMediaOut: function (mediaNode) { + this.context.frames.shift(); + } +}; +module.exports = ImportVisitor; + +},{"../contexts":11,"./import-sequencer":85,"./visitor":91}],87:[function(require,module,exports){ +var visitors = { + Visitor: require("./visitor"), + ImportVisitor: require('./import-visitor'), + MarkVisibleSelectorsVisitor: require("./set-tree-visibility-visitor"), + ExtendVisitor: require('./extend-visitor'), + JoinSelectorVisitor: require('./join-selector-visitor'), + ToCSSVisitor: require('./to-css-visitor') +}; + +module.exports = visitors; + +},{"./extend-visitor":84,"./import-visitor":86,"./join-selector-visitor":88,"./set-tree-visibility-visitor":89,"./to-css-visitor":90,"./visitor":91}],88:[function(require,module,exports){ +var Visitor = require("./visitor"); + +var JoinSelectorVisitor = function() { + this.contexts = [[]]; + this._visitor = new Visitor(this); +}; + +JoinSelectorVisitor.prototype = { + run: function (root) { + return this._visitor.visit(root); + }, + visitRule: function (ruleNode, visitArgs) { + visitArgs.visitDeeper = false; + }, + visitMixinDefinition: function (mixinDefinitionNode, visitArgs) { + visitArgs.visitDeeper = false; + }, + + visitRuleset: function (rulesetNode, visitArgs) { + var context = this.contexts[this.contexts.length - 1], + paths = [], selectors; + + this.contexts.push(paths); + + if (! rulesetNode.root) { + selectors = rulesetNode.selectors; + if (selectors) { + selectors = selectors.filter(function(selector) { return selector.getIsOutput(); }); + rulesetNode.selectors = selectors.length ? selectors : (selectors = null); + if (selectors) { rulesetNode.joinSelectors(paths, context, selectors); } + } + if (!selectors) { rulesetNode.rules = null; } + rulesetNode.paths = paths; + } + }, + visitRulesetOut: function (rulesetNode) { + this.contexts.length = this.contexts.length - 1; + }, + visitMedia: function (mediaNode, visitArgs) { + var context = this.contexts[this.contexts.length - 1]; + mediaNode.rules[0].root = (context.length === 0 || context[0].multiMedia); + }, + visitDirective: function (directiveNode, visitArgs) { + var context = this.contexts[this.contexts.length - 1]; + if (directiveNode.rules && directiveNode.rules.length) { + directiveNode.rules[0].root = (directiveNode.isRooted || context.length === 0 || null); + } + } +}; + +module.exports = JoinSelectorVisitor; + +},{"./visitor":91}],89:[function(require,module,exports){ +var SetTreeVisibilityVisitor = function(visible) { + this.visible = visible; +}; +SetTreeVisibilityVisitor.prototype.run = function(root) { + this.visit(root); +}; +SetTreeVisibilityVisitor.prototype.visitArray = function(nodes) { + if (!nodes) { + return nodes; + } + + var cnt = nodes.length, i; + for (i = 0; i < cnt; i++) { + this.visit(nodes[i]); + } + return nodes; +}; +SetTreeVisibilityVisitor.prototype.visit = function(node) { + if (!node) { + return node; + } + if (node.constructor === Array) { + return this.visitArray(node); + } + + if (!node.blocksVisibility || node.blocksVisibility()) { + return node; + } + if (this.visible) { + node.ensureVisibility(); + } else { + node.ensureInvisibility(); + } + + node.accept(this); + return node; +}; +module.exports = SetTreeVisibilityVisitor; +},{}],90:[function(require,module,exports){ +var tree = require("../tree"), + Visitor = require("./visitor"); + +var CSSVisitorUtils = function(context) { + this._visitor = new Visitor(this); + this._context = context; +}; + +CSSVisitorUtils.prototype = { + containsSilentNonBlockedChild: function(bodyRules) { + var rule; + if (bodyRules == null) { + return false; + } + for (var r = 0; r < bodyRules.length; r++) { + rule = bodyRules[r]; + if (rule.isSilent && rule.isSilent(this._context) && !rule.blocksVisibility()) { + //the directive contains something that was referenced (likely by extend) + //therefore it needs to be shown in output too + return true; + } + } + return false; + }, + + keepOnlyVisibleChilds: function(owner) { + if (owner == null || owner.rules == null) { + return ; + } + + owner.rules = owner.rules.filter(function(thing) { + return thing.isVisible(); + } + ); + }, + + isEmpty: function(owner) { + if (owner == null || owner.rules == null) { + return true; + } + return owner.rules.length === 0; + }, + + hasVisibleSelector: function(rulesetNode) { + if (rulesetNode == null || rulesetNode.paths == null) { + return false; + } + return rulesetNode.paths.length > 0; + }, + + resolveVisibility: function (node, originalRules) { + if (!node.blocksVisibility()) { + if (this.isEmpty(node) && !this.containsSilentNonBlockedChild(originalRules)) { + return ; + } + + return node; + } + + var compiledRulesBody = node.rules[0]; + this.keepOnlyVisibleChilds(compiledRulesBody); + + if (this.isEmpty(compiledRulesBody)) { + return ; + } + + node.ensureVisibility(); + node.removeVisibilityBlock(); + + return node; + }, + + isVisibleRuleset: function(rulesetNode) { + if (rulesetNode.firstRoot) { + return true; + } + + if (this.isEmpty(rulesetNode)) { + return false; + } + + if (!rulesetNode.root && !this.hasVisibleSelector(rulesetNode)) { + return false; + } + + return true; + } + +}; + +var ToCSSVisitor = function(context) { + this._visitor = new Visitor(this); + this._context = context; + this.utils = new CSSVisitorUtils(context); +}; + +ToCSSVisitor.prototype = { + isReplacing: true, + run: function (root) { + return this._visitor.visit(root); + }, + + visitRule: function (ruleNode, visitArgs) { + if (ruleNode.blocksVisibility() || ruleNode.variable) { + return; + } + return ruleNode; + }, + + visitMixinDefinition: function (mixinNode, visitArgs) { + // mixin definitions do not get eval'd - this means they keep state + // so we have to clear that state here so it isn't used if toCSS is called twice + mixinNode.frames = []; + }, + + visitExtend: function (extendNode, visitArgs) { + }, + + visitComment: function (commentNode, visitArgs) { + if (commentNode.blocksVisibility() || commentNode.isSilent(this._context)) { + return; + } + return commentNode; + }, + + visitMedia: function(mediaNode, visitArgs) { + var originalRules = mediaNode.rules[0].rules; + mediaNode.accept(this._visitor); + visitArgs.visitDeeper = false; + + return this.utils.resolveVisibility(mediaNode, originalRules); + }, + + visitImport: function (importNode, visitArgs) { + if (importNode.blocksVisibility()) { + return ; + } + return importNode; + }, + + visitDirective: function(directiveNode, visitArgs) { + if (directiveNode.rules && directiveNode.rules.length) { + return this.visitDirectiveWithBody(directiveNode, visitArgs); + } else { + return this.visitDirectiveWithoutBody(directiveNode, visitArgs); + } + }, + + visitDirectiveWithBody: function(directiveNode, visitArgs) { + //if there is only one nested ruleset and that one has no path, then it is + //just fake ruleset + function hasFakeRuleset(directiveNode) { + var bodyRules = directiveNode.rules; + return bodyRules.length === 1 && (!bodyRules[0].paths || bodyRules[0].paths.length === 0); + } + function getBodyRules(directiveNode) { + var nodeRules = directiveNode.rules; + if (hasFakeRuleset(directiveNode)) { + return nodeRules[0].rules; + } + + return nodeRules; + } + //it is still true that it is only one ruleset in array + //this is last such moment + //process childs + var originalRules = getBodyRules(directiveNode); + directiveNode.accept(this._visitor); + visitArgs.visitDeeper = false; + + if (!this.utils.isEmpty(directiveNode)) { + this._mergeRules(directiveNode.rules[0].rules); + } + + return this.utils.resolveVisibility(directiveNode, originalRules); + }, + + visitDirectiveWithoutBody: function(directiveNode, visitArgs) { + if (directiveNode.blocksVisibility()) { + return; + } + + if (directiveNode.name === "@charset") { + // Only output the debug info together with subsequent @charset definitions + // a comment (or @media statement) before the actual @charset directive would + // be considered illegal css as it has to be on the first line + if (this.charset) { + if (directiveNode.debugInfo) { + var comment = new tree.Comment("/* " + directiveNode.toCSS(this._context).replace(/\n/g, "") + " */\n"); + comment.debugInfo = directiveNode.debugInfo; + return this._visitor.visit(comment); + } + return; + } + this.charset = true; + } + + return directiveNode; + }, + + checkValidNodes: function(rules, isRoot) { + if (!rules) { + return; + } + + for (var i = 0; i < rules.length; i++) { + var ruleNode = rules[i]; + if (isRoot && ruleNode instanceof tree.Rule && !ruleNode.variable) { + throw { message: "Properties must be inside selector blocks. They cannot be in the root", + index: ruleNode.index, filename: ruleNode.currentFileInfo && ruleNode.currentFileInfo.filename}; + } + if (ruleNode instanceof tree.Call) { + throw { message: "Function '" + ruleNode.name + "' is undefined", + index: ruleNode.index, filename: ruleNode.currentFileInfo && ruleNode.currentFileInfo.filename}; + } + if (ruleNode.type && !ruleNode.allowRoot) { + throw { message: ruleNode.type + " node returned by a function is not valid here", + index: ruleNode.index, filename: ruleNode.currentFileInfo && ruleNode.currentFileInfo.filename}; + } + } + }, + + visitRuleset: function (rulesetNode, visitArgs) { + //at this point rulesets are nested into each other + var rule, rulesets = []; + + this.checkValidNodes(rulesetNode.rules, rulesetNode.firstRoot); + + if (! rulesetNode.root) { + //remove invisible paths + this._compileRulesetPaths(rulesetNode); + + // remove rulesets from this ruleset body and compile them separately + var nodeRules = rulesetNode.rules, nodeRuleCnt = nodeRules ? nodeRules.length : 0; + for (var i = 0; i < nodeRuleCnt; ) { + rule = nodeRules[i]; + if (rule && rule.rules) { + // visit because we are moving them out from being a child + rulesets.push(this._visitor.visit(rule)); + nodeRules.splice(i, 1); + nodeRuleCnt--; + continue; + } + i++; + } + // accept the visitor to remove rules and refactor itself + // then we can decide nogw whether we want it or not + // compile body + if (nodeRuleCnt > 0) { + rulesetNode.accept(this._visitor); + } else { + rulesetNode.rules = null; + } + visitArgs.visitDeeper = false; + + } else { //if (! rulesetNode.root) { + rulesetNode.accept(this._visitor); + visitArgs.visitDeeper = false; + } + + if (rulesetNode.rules) { + this._mergeRules(rulesetNode.rules); + this._removeDuplicateRules(rulesetNode.rules); + } + + //now decide whether we keep the ruleset + if (this.utils.isVisibleRuleset(rulesetNode)) { + rulesetNode.ensureVisibility(); + rulesets.splice(0, 0, rulesetNode); + } + + if (rulesets.length === 1) { + return rulesets[0]; + } + return rulesets; + }, + + _compileRulesetPaths: function(rulesetNode) { + if (rulesetNode.paths) { + rulesetNode.paths = rulesetNode.paths + .filter(function(p) { + var i; + if (p[0].elements[0].combinator.value === ' ') { + p[0].elements[0].combinator = new(tree.Combinator)(''); + } + for (i = 0; i < p.length; i++) { + if (p[i].isVisible() && p[i].getIsOutput()) { + return true; + } + } + return false; + }); + } + }, + + _removeDuplicateRules: function(rules) { + if (!rules) { return; } + + // remove duplicates + var ruleCache = {}, + ruleList, rule, i; + + for (i = rules.length - 1; i >= 0 ; i--) { + rule = rules[i]; + if (rule instanceof tree.Rule) { + if (!ruleCache[rule.name]) { + ruleCache[rule.name] = rule; + } else { + ruleList = ruleCache[rule.name]; + if (ruleList instanceof tree.Rule) { + ruleList = ruleCache[rule.name] = [ruleCache[rule.name].toCSS(this._context)]; + } + var ruleCSS = rule.toCSS(this._context); + if (ruleList.indexOf(ruleCSS) !== -1) { + rules.splice(i, 1); + } else { + ruleList.push(ruleCSS); + } + } + } + } + }, + + _mergeRules: function (rules) { + if (!rules) { return; } + + var groups = {}, + parts, + rule, + key; + + for (var i = 0; i < rules.length; i++) { + rule = rules[i]; + + if ((rule instanceof tree.Rule) && rule.merge) { + key = [rule.name, + rule.important ? "!" : ""].join(","); + + if (!groups[key]) { + groups[key] = []; + } else { + rules.splice(i--, 1); + } + + groups[key].push(rule); + } + } + + Object.keys(groups).map(function (k) { + + function toExpression(values) { + return new (tree.Expression)(values.map(function (p) { + return p.value; + })); + } + + function toValue(values) { + return new (tree.Value)(values.map(function (p) { + return p; + })); + } + + parts = groups[k]; + + if (parts.length > 1) { + rule = parts[0]; + var spacedGroups = []; + var lastSpacedGroup = []; + parts.map(function (p) { + if (p.merge === "+") { + if (lastSpacedGroup.length > 0) { + spacedGroups.push(toExpression(lastSpacedGroup)); + } + lastSpacedGroup = []; + } + lastSpacedGroup.push(p); + }); + spacedGroups.push(toExpression(lastSpacedGroup)); + rule.value = toValue(spacedGroups); + } + }); + }, + + visitAnonymous: function(anonymousNode, visitArgs) { + if (anonymousNode.blocksVisibility()) { + return ; + } + anonymousNode.accept(this._visitor); + return anonymousNode; + } +}; + +module.exports = ToCSSVisitor; + +},{"../tree":62,"./visitor":91}],91:[function(require,module,exports){ +var tree = require("../tree"); + +var _visitArgs = { visitDeeper: true }, + _hasIndexed = false; + +function _noop(node) { + return node; +} + +function indexNodeTypes(parent, ticker) { + // add .typeIndex to tree node types for lookup table + var key, child; + for (key in parent) { + if (parent.hasOwnProperty(key)) { + child = parent[key]; + switch (typeof child) { + case "function": + // ignore bound functions directly on tree which do not have a prototype + // or aren't nodes + if (child.prototype && child.prototype.type) { + child.prototype.typeIndex = ticker++; + } + break; + case "object": + ticker = indexNodeTypes(child, ticker); + break; + } + } + } + return ticker; +} + +var Visitor = function(implementation) { + this._implementation = implementation; + this._visitFnCache = []; + + if (!_hasIndexed) { + indexNodeTypes(tree, 1); + _hasIndexed = true; + } +}; + +Visitor.prototype = { + visit: function(node) { + if (!node) { + return node; + } + + var nodeTypeIndex = node.typeIndex; + if (!nodeTypeIndex) { + return node; + } + + var visitFnCache = this._visitFnCache, + impl = this._implementation, + aryIndx = nodeTypeIndex << 1, + outAryIndex = aryIndx | 1, + func = visitFnCache[aryIndx], + funcOut = visitFnCache[outAryIndex], + visitArgs = _visitArgs, + fnName; + + visitArgs.visitDeeper = true; + + if (!func) { + fnName = "visit" + node.type; + func = impl[fnName] || _noop; + funcOut = impl[fnName + "Out"] || _noop; + visitFnCache[aryIndx] = func; + visitFnCache[outAryIndex] = funcOut; + } + + if (func !== _noop) { + var newNode = func.call(impl, node, visitArgs); + if (impl.isReplacing) { + node = newNode; + } + } + + if (visitArgs.visitDeeper && node && node.accept) { + node.accept(this); + } + + if (funcOut != _noop) { + funcOut.call(impl, node); + } + + return node; + }, + visitArray: function(nodes, nonReplacing) { + if (!nodes) { + return nodes; + } + + var cnt = nodes.length, i; + + // Non-replacing + if (nonReplacing || !this._implementation.isReplacing) { + for (i = 0; i < cnt; i++) { + this.visit(nodes[i]); + } + return nodes; + } + + // Replacing + var out = []; + for (i = 0; i < cnt; i++) { + var evald = this.visit(nodes[i]); + if (evald === undefined) { continue; } + if (!evald.splice) { + out.push(evald); + } else if (evald.length) { + this.flatten(evald, out); + } + } + return out; + }, + flatten: function(arr, out) { + if (!out) { + out = []; + } + + var cnt, i, item, + nestedCnt, j, nestedItem; + + for (i = 0, cnt = arr.length; i < cnt; i++) { + item = arr[i]; + if (item === undefined) { + continue; + } + if (!item.splice) { + out.push(item); + continue; + } + + for (j = 0, nestedCnt = item.length; j < nestedCnt; j++) { + nestedItem = item[j]; + if (nestedItem === undefined) { + continue; + } + if (!nestedItem.splice) { + out.push(nestedItem); + } else if (nestedItem.length) { + this.flatten(nestedItem, out); + } + } + } + + return out; + } +}; +module.exports = Visitor; + +},{"../tree":62}],92:[function(require,module,exports){ +"use strict"; + +// rawAsap provides everything we need except exception management. +var rawAsap = require("./raw"); +// RawTasks are recycled to reduce GC churn. +var freeTasks = []; +// We queue errors to ensure they are thrown in right order (FIFO). +// Array-as-queue is good enough here, since we are just dealing with exceptions. +var pendingErrors = []; +var requestErrorThrow = rawAsap.makeRequestCallFromTimer(throwFirstError); + +function throwFirstError() { + if (pendingErrors.length) { + throw pendingErrors.shift(); + } +} + +/** + * Calls a task as soon as possible after returning, in its own event, with priority + * over other events like animation, reflow, and repaint. An error thrown from an + * event will not interrupt, nor even substantially slow down the processing of + * other events, but will be rather postponed to a lower priority event. + * @param {{call}} task A callable object, typically a function that takes no + * arguments. + */ +module.exports = asap; +function asap(task) { + var rawTask; + if (freeTasks.length) { + rawTask = freeTasks.pop(); + } else { + rawTask = new RawTask(); + } + rawTask.task = task; + rawAsap(rawTask); +} + +// We wrap tasks with recyclable task objects. A task object implements +// `call`, just like a function. +function RawTask() { + this.task = null; +} + +// The sole purpose of wrapping the task is to catch the exception and recycle +// the task object after its single use. +RawTask.prototype.call = function () { + try { + this.task.call(); + } catch (error) { + if (asap.onerror) { + // This hook exists purely for testing purposes. + // Its name will be periodically randomized to break any code that + // depends on its existence. + asap.onerror(error); + } else { + // In a web browser, exceptions are not fatal. However, to avoid + // slowing down the queue of pending tasks, we rethrow the error in a + // lower priority turn. + pendingErrors.push(error); + requestErrorThrow(); + } + } finally { + this.task = null; + freeTasks[freeTasks.length] = this; + } +}; + +},{"./raw":93}],93:[function(require,module,exports){ +(function (global){ +"use strict"; + +// Use the fastest means possible to execute a task in its own turn, with +// priority over other events including IO, animation, reflow, and redraw +// events in browsers. +// +// An exception thrown by a task will permanently interrupt the processing of +// subsequent tasks. The higher level `asap` function ensures that if an +// exception is thrown by a task, that the task queue will continue flushing as +// soon as possible, but if you use `rawAsap` directly, you are responsible to +// either ensure that no exceptions are thrown from your task, or to manually +// call `rawAsap.requestFlush` if an exception is thrown. +module.exports = rawAsap; +function rawAsap(task) { + if (!queue.length) { + requestFlush(); + flushing = true; + } + // Equivalent to push, but avoids a function call. + queue[queue.length] = task; +} + +var queue = []; +// Once a flush has been requested, no further calls to `requestFlush` are +// necessary until the next `flush` completes. +var flushing = false; +// `requestFlush` is an implementation-specific method that attempts to kick +// off a `flush` event as quickly as possible. `flush` will attempt to exhaust +// the event queue before yielding to the browser's own event loop. +var requestFlush; +// The position of the next task to execute in the task queue. This is +// preserved between calls to `flush` so that it can be resumed if +// a task throws an exception. +var index = 0; +// If a task schedules additional tasks recursively, the task queue can grow +// unbounded. To prevent memory exhaustion, the task queue will periodically +// truncate already-completed tasks. +var capacity = 1024; + +// The flush function processes all tasks that have been scheduled with +// `rawAsap` unless and until one of those tasks throws an exception. +// If a task throws an exception, `flush` ensures that its state will remain +// consistent and will resume where it left off when called again. +// However, `flush` does not make any arrangements to be called again if an +// exception is thrown. +function flush() { + while (index < queue.length) { + var currentIndex = index; + // Advance the index before calling the task. This ensures that we will + // begin flushing on the next task the task throws an error. + index = index + 1; + queue[currentIndex].call(); + // Prevent leaking memory for long chains of recursive calls to `asap`. + // If we call `asap` within tasks scheduled by `asap`, the queue will + // grow, but to avoid an O(n) walk for every task we execute, we don't + // shift tasks off the queue after they have been executed. + // Instead, we periodically shift 1024 tasks off the queue. + if (index > capacity) { + // Manually shift all values starting at the index back to the + // beginning of the queue. + for (var scan = 0, newLength = queue.length - index; scan < newLength; scan++) { + queue[scan] = queue[scan + index]; + } + queue.length -= index; + index = 0; + } + } + queue.length = 0; + index = 0; + flushing = false; +} + +// `requestFlush` is implemented using a strategy based on data collected from +// every available SauceLabs Selenium web driver worker at time of writing. +// https://docs.google.com/spreadsheets/d/1mG-5UYGup5qxGdEMWkhP6BWCz053NUb2E1QoUTU16uA/edit#gid=783724593 + +// Safari 6 and 6.1 for desktop, iPad, and iPhone are the only browsers that +// have WebKitMutationObserver but not un-prefixed MutationObserver. +// Must use `global` instead of `window` to work in both frames and web +// workers. `global` is a provision of Browserify, Mr, Mrs, or Mop. +var BrowserMutationObserver = global.MutationObserver || global.WebKitMutationObserver; + +// MutationObservers are desirable because they have high priority and work +// reliably everywhere they are implemented. +// They are implemented in all modern browsers. +// +// - Android 4-4.3 +// - Chrome 26-34 +// - Firefox 14-29 +// - Internet Explorer 11 +// - iPad Safari 6-7.1 +// - iPhone Safari 7-7.1 +// - Safari 6-7 +if (typeof BrowserMutationObserver === "function") { + requestFlush = makeRequestCallFromMutationObserver(flush); + +// MessageChannels are desirable because they give direct access to the HTML +// task queue, are implemented in Internet Explorer 10, Safari 5.0-1, and Opera +// 11-12, and in web workers in many engines. +// Although message channels yield to any queued rendering and IO tasks, they +// would be better than imposing the 4ms delay of timers. +// However, they do not work reliably in Internet Explorer or Safari. + +// Internet Explorer 10 is the only browser that has setImmediate but does +// not have MutationObservers. +// Although setImmediate yields to the browser's renderer, it would be +// preferrable to falling back to setTimeout since it does not have +// the minimum 4ms penalty. +// Unfortunately there appears to be a bug in Internet Explorer 10 Mobile (and +// Desktop to a lesser extent) that renders both setImmediate and +// MessageChannel useless for the purposes of ASAP. +// https://github.com/kriskowal/q/issues/396 + +// Timers are implemented universally. +// We fall back to timers in workers in most engines, and in foreground +// contexts in the following browsers. +// However, note that even this simple case requires nuances to operate in a +// broad spectrum of browsers. +// +// - Firefox 3-13 +// - Internet Explorer 6-9 +// - iPad Safari 4.3 +// - Lynx 2.8.7 +} else { + requestFlush = makeRequestCallFromTimer(flush); +} + +// `requestFlush` requests that the high priority event queue be flushed as +// soon as possible. +// This is useful to prevent an error thrown in a task from stalling the event +// queue if the exception handled by Node.js’s +// `process.on("uncaughtException")` or by a domain. +rawAsap.requestFlush = requestFlush; + +// To request a high priority event, we induce a mutation observer by toggling +// the text of a text node between "1" and "-1". +function makeRequestCallFromMutationObserver(callback) { + var toggle = 1; + var observer = new BrowserMutationObserver(callback); + var node = document.createTextNode(""); + observer.observe(node, {characterData: true}); + return function requestCall() { + toggle = -toggle; + node.data = toggle; + }; +} + +// The message channel technique was discovered by Malte Ubl and was the +// original foundation for this library. +// http://www.nonblocking.io/2011/06/windownexttick.html + +// Safari 6.0.5 (at least) intermittently fails to create message ports on a +// page's first load. Thankfully, this version of Safari supports +// MutationObservers, so we don't need to fall back in that case. + +// function makeRequestCallFromMessageChannel(callback) { +// var channel = new MessageChannel(); +// channel.port1.onmessage = callback; +// return function requestCall() { +// channel.port2.postMessage(0); +// }; +// } + +// For reasons explained above, we are also unable to use `setImmediate` +// under any circumstances. +// Even if we were, there is another bug in Internet Explorer 10. +// It is not sufficient to assign `setImmediate` to `requestFlush` because +// `setImmediate` must be called *by name* and therefore must be wrapped in a +// closure. +// Never forget. + +// function makeRequestCallFromSetImmediate(callback) { +// return function requestCall() { +// setImmediate(callback); +// }; +// } + +// Safari 6.0 has a problem where timers will get lost while the user is +// scrolling. This problem does not impact ASAP because Safari 6.0 supports +// mutation observers, so that implementation is used instead. +// However, if we ever elect to use timers in Safari, the prevalent work-around +// is to add a scroll event listener that calls for a flush. + +// `setTimeout` does not call the passed callback if the delay is less than +// approximately 7 in web workers in Firefox 8 through 18, and sometimes not +// even then. + +function makeRequestCallFromTimer(callback) { + return function requestCall() { + // We dispatch a timeout with a specified delay of 0 for engines that + // can reliably accommodate that request. This will usually be snapped + // to a 4 milisecond delay, but once we're flushing, there's no delay + // between events. + var timeoutHandle = setTimeout(handleTimer, 0); + // However, since this timer gets frequently dropped in Firefox + // workers, we enlist an interval handle that will try to fire + // an event 20 times per second until it succeeds. + var intervalHandle = setInterval(handleTimer, 50); + + function handleTimer() { + // Whichever timer succeeds will cancel both timers and + // execute the callback. + clearTimeout(timeoutHandle); + clearInterval(intervalHandle); + callback(); + } + }; +} + +// This is for `asap.js` only. +// Its name will be periodically randomized to break any code that depends on +// its existence. +rawAsap.makeRequestCallFromTimer = makeRequestCallFromTimer; + +// ASAP was originally a nextTick shim included in Q. This was factored out +// into this ASAP package. It was later adapted to RSVP which made further +// amendments. These decisions, particularly to marginalize MessageChannel and +// to capture the MutationObserver implementation in a closure, were integrated +// back into ASAP proper. +// https://github.com/tildeio/rsvp.js/blob/cddf7232546a9cf858524b75cde6f9edf72620a7/lib/rsvp/asap.js + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],94:[function(require,module,exports){ +'use strict'; + +var asap = require('asap/raw'); + +function noop() {} + +// States: +// +// 0 - pending +// 1 - fulfilled with _value +// 2 - rejected with _value +// 3 - adopted the state of another promise, _value +// +// once the state is no longer pending (0) it is immutable + +// All `_` prefixed properties will be reduced to `_{random number}` +// at build time to obfuscate them and discourage their use. +// We don't use symbols or Object.defineProperty to fully hide them +// because the performance isn't good enough. + + +// to avoid using try/catch inside critical functions, we +// extract them to here. +var LAST_ERROR = null; +var IS_ERROR = {}; +function getThen(obj) { + try { + return obj.then; + } catch (ex) { + LAST_ERROR = ex; + return IS_ERROR; + } +} + +function tryCallOne(fn, a) { + try { + return fn(a); + } catch (ex) { + LAST_ERROR = ex; + return IS_ERROR; + } +} +function tryCallTwo(fn, a, b) { + try { + fn(a, b); + } catch (ex) { + LAST_ERROR = ex; + return IS_ERROR; + } +} + +module.exports = Promise; + +function Promise(fn) { + if (typeof this !== 'object') { + throw new TypeError('Promises must be constructed via new'); + } + if (typeof fn !== 'function') { + throw new TypeError('not a function'); + } + this._45 = 0; + this._81 = 0; + this._65 = null; + this._54 = null; + if (fn === noop) return; + doResolve(fn, this); +} +Promise._10 = null; +Promise._97 = null; +Promise._61 = noop; + +Promise.prototype.then = function(onFulfilled, onRejected) { + if (this.constructor !== Promise) { + return safeThen(this, onFulfilled, onRejected); + } + var res = new Promise(noop); + handle(this, new Handler(onFulfilled, onRejected, res)); + return res; +}; + +function safeThen(self, onFulfilled, onRejected) { + return new self.constructor(function (resolve, reject) { + var res = new Promise(noop); + res.then(resolve, reject); + handle(self, new Handler(onFulfilled, onRejected, res)); + }); +}; +function handle(self, deferred) { + while (self._81 === 3) { + self = self._65; + } + if (Promise._10) { + Promise._10(self); + } + if (self._81 === 0) { + if (self._45 === 0) { + self._45 = 1; + self._54 = deferred; + return; + } + if (self._45 === 1) { + self._45 = 2; + self._54 = [self._54, deferred]; + return; + } + self._54.push(deferred); + return; + } + handleResolved(self, deferred); +} + +function handleResolved(self, deferred) { + asap(function() { + var cb = self._81 === 1 ? deferred.onFulfilled : deferred.onRejected; + if (cb === null) { + if (self._81 === 1) { + resolve(deferred.promise, self._65); + } else { + reject(deferred.promise, self._65); + } + return; + } + var ret = tryCallOne(cb, self._65); + if (ret === IS_ERROR) { + reject(deferred.promise, LAST_ERROR); + } else { + resolve(deferred.promise, ret); + } + }); +} +function resolve(self, newValue) { + // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure + if (newValue === self) { + return reject( + self, + new TypeError('A promise cannot be resolved with itself.') + ); + } + if ( + newValue && + (typeof newValue === 'object' || typeof newValue === 'function') + ) { + var then = getThen(newValue); + if (then === IS_ERROR) { + return reject(self, LAST_ERROR); + } + if ( + then === self.then && + newValue instanceof Promise + ) { + self._81 = 3; + self._65 = newValue; + finale(self); + return; + } else if (typeof then === 'function') { + doResolve(then.bind(newValue), self); + return; + } + } + self._81 = 1; + self._65 = newValue; + finale(self); +} + +function reject(self, newValue) { + self._81 = 2; + self._65 = newValue; + if (Promise._97) { + Promise._97(self, newValue); + } + finale(self); +} +function finale(self) { + if (self._45 === 1) { + handle(self, self._54); + self._54 = null; + } + if (self._45 === 2) { + for (var i = 0; i < self._54.length; i++) { + handle(self, self._54[i]); + } + self._54 = null; + } +} + +function Handler(onFulfilled, onRejected, promise){ + this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null; + this.onRejected = typeof onRejected === 'function' ? onRejected : null; + this.promise = promise; +} + +/** + * Take a potentially misbehaving resolver function and make sure + * onFulfilled and onRejected are only called once. + * + * Makes no guarantees about asynchrony. + */ +function doResolve(fn, promise) { + var done = false; + var res = tryCallTwo(fn, function (value) { + if (done) return; + done = true; + resolve(promise, value); + }, function (reason) { + if (done) return; + done = true; + reject(promise, reason); + }) + if (!done && res === IS_ERROR) { + done = true; + reject(promise, LAST_ERROR); + } +} + +},{"asap/raw":93}],95:[function(require,module,exports){ +'use strict'; + +//This file contains the ES6 extensions to the core Promises/A+ API + +var Promise = require('./core.js'); + +module.exports = Promise; + +/* Static Functions */ + +var TRUE = valuePromise(true); +var FALSE = valuePromise(false); +var NULL = valuePromise(null); +var UNDEFINED = valuePromise(undefined); +var ZERO = valuePromise(0); +var EMPTYSTRING = valuePromise(''); + +function valuePromise(value) { + var p = new Promise(Promise._61); + p._81 = 1; + p._65 = value; + return p; +} +Promise.resolve = function (value) { + if (value instanceof Promise) return value; + + if (value === null) return NULL; + if (value === undefined) return UNDEFINED; + if (value === true) return TRUE; + if (value === false) return FALSE; + if (value === 0) return ZERO; + if (value === '') return EMPTYSTRING; + + if (typeof value === 'object' || typeof value === 'function') { + try { + var then = value.then; + if (typeof then === 'function') { + return new Promise(then.bind(value)); + } + } catch (ex) { + return new Promise(function (resolve, reject) { + reject(ex); + }); + } + } + return valuePromise(value); +}; + +Promise.all = function (arr) { + var args = Array.prototype.slice.call(arr); + + return new Promise(function (resolve, reject) { + if (args.length === 0) return resolve([]); + var remaining = args.length; + function res(i, val) { + if (val && (typeof val === 'object' || typeof val === 'function')) { + if (val instanceof Promise && val.then === Promise.prototype.then) { + while (val._81 === 3) { + val = val._65; + } + if (val._81 === 1) return res(i, val._65); + if (val._81 === 2) reject(val._65); + val.then(function (val) { + res(i, val); + }, reject); + return; + } else { + var then = val.then; + if (typeof then === 'function') { + var p = new Promise(then.bind(val)); + p.then(function (val) { + res(i, val); + }, reject); + return; + } + } + } + args[i] = val; + if (--remaining === 0) { + resolve(args); + } + } + for (var i = 0; i < args.length; i++) { + res(i, args[i]); + } + }); +}; + +Promise.reject = function (value) { + return new Promise(function (resolve, reject) { + reject(value); + }); +}; + +Promise.race = function (values) { + return new Promise(function (resolve, reject) { + values.forEach(function(value){ + Promise.resolve(value).then(resolve, reject); + }); + }); +}; + +/* Prototype Methods */ + +Promise.prototype['catch'] = function (onRejected) { + return this.then(null, onRejected); +}; + +},{"./core.js":94}],96:[function(require,module,exports){ +// should work in any browser without browserify + +if (typeof Promise.prototype.done !== 'function') { + Promise.prototype.done = function (onFulfilled, onRejected) { + var self = arguments.length ? this.then.apply(this, arguments) : this + self.then(null, function (err) { + setTimeout(function () { + throw err + }, 0) + }) + } +} +},{}],97:[function(require,module,exports){ +// not "use strict" so we can declare global "Promise" + +var asap = require('asap'); + +if (typeof Promise === 'undefined') { + Promise = require('./lib/core.js') + require('./lib/es6-extensions.js') +} + +require('./polyfill-done.js'); + +},{"./lib/core.js":94,"./lib/es6-extensions.js":95,"./polyfill-done.js":96,"asap":92}]},{},[2])(2) +}); \ No newline at end of file diff --git a/dist/less.min.js b/dist/less.min.js new file mode 100644 index 000000000..2b4b6bd65 --- /dev/null +++ b/dist/less.min.js @@ -0,0 +1,17 @@ +/*! + * Less - Leaner CSS v2.7.1 + * http://lesscss.org + * + * Copyright (c) 2009-2016, Alexis Sellier + * Licensed under the Apache-2.0 License. + * + */ + + /** * @license Apache-2.0 + */ + +!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.less=a()}}(function(){return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c?c:a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g0||b.isFileProtocol?"development":"production");var c=/!dumpLineNumbers:(comments|mediaquery|all)/.exec(a.location.hash);c&&(b.dumpLineNumbers=c[1]),void 0===b.useFileCache&&(b.useFileCache=!0),void 0===b.onReady&&(b.onReady=!0)}},{"./browser":3,"./utils":10}],2:[function(a,b,c){function d(a){a.filename&&console.warn(a),e.async||h.removeChild(i)}a("promise/polyfill.js");var e=window.less||{};a("./add-default-options")(window,e);var f=b.exports=a("./index")(window,e);window.less=f;var g,h,i;e.onReady&&(/!watch/.test(window.location.hash)&&f.watch(),e.async||(g="body { display: none !important }",h=document.head||document.getElementsByTagName("head")[0],i=document.createElement("style"),i.type="text/css",i.styleSheet?i.styleSheet.cssText=g:i.appendChild(document.createTextNode(g)),h.appendChild(i)),f.registerStylesheetsImmediately(),f.pageLoadFinished=f.refresh("development"===f.env).then(d,d))},{"./add-default-options":1,"./index":8,"promise/polyfill.js":97}],3:[function(a,b,c){var d=a("./utils");b.exports={createCSS:function(a,b,c){var e=c.href||"",f="less:"+(c.title||d.extractId(e)),g=a.getElementById(f),h=!1,i=a.createElement("style");i.setAttribute("type","text/css"),c.media&&i.setAttribute("media",c.media),i.id=f,i.styleSheet||(i.appendChild(a.createTextNode(b)),h=null!==g&&g.childNodes.length>0&&i.childNodes.length>0&&g.firstChild.nodeValue===i.firstChild.nodeValue);var j=a.getElementsByTagName("head")[0];if(null===g||h===!1){var k=c&&c.nextSibling||null;k?k.parentNode.insertBefore(i,k):j.appendChild(i)}if(g&&h===!1&&g.parentNode.removeChild(g),i.styleSheet)try{i.styleSheet.cssText=b}catch(l){throw new Error("Couldn't reassign styleSheet.cssText.")}},currentScript:function(a){var b=a.document;return b.currentScript||function(){var a=b.getElementsByTagName("script");return a[a.length-1]}()}}},{"./utils":10}],4:[function(a,b,c){b.exports=function(a,b,c){var d=null;if("development"!==b.env)try{d="undefined"==typeof a.localStorage?null:a.localStorage}catch(e){}return{setCSS:function(a,b,e,f){if(d){c.info("saving "+a+" to cache.");try{d.setItem(a,f),d.setItem(a+":timestamp",b),e&&d.setItem(a+":vars",JSON.stringify(e))}catch(g){c.error('failed to save "'+a+'" to local storage for caching.')}}},getCSS:function(a,b,c){var e=d&&d.getItem(a),f=d&&d.getItem(a+":timestamp"),g=d&&d.getItem(a+":vars");if(c=c||{},f&&b.lastModified&&new Date(b.lastModified).valueOf()===new Date(f).valueOf()&&(!c&&!g||JSON.stringify(c)===g))return e}}}},{}],5:[function(a,b,c){var d=a("./utils"),e=a("./browser");b.exports=function(a,b,c){function f(b,f){var g,h,i="less-error-message:"+d.extractId(f||""),j='
  • {content}
    • ',k=a.document.createElement("div"),l=[],m=b.filename||f,n=m.match(/([^\/]+(\?.*)?)$/)[1];k.id=i,k.className="less-error-message",h="

    "+(b.type||"Syntax")+"Error: "+(b.message||"There is an error in your .less file")+'

    in '+n+" ";var o=function(a,b,c){void 0!==a.extract[b]&&l.push(j.replace(/\{line\}/,(parseInt(a.line,10)||0)+(b-1)).replace(/\{class\}/,c).replace(/\{content\}/,a.extract[b]))};b.extract&&(o(b,0,""),o(b,1,"line"),o(b,2,""),h+="on line "+b.line+", column "+(b.column+1)+":

      "+l.join("")+"
    "),b.stack&&(b.extract||c.logLevel>=4)&&(h+="
    Stack Trace
    "+b.stack.split("\n").slice(1).join("
    ")),k.innerHTML=h,e.createCSS(a.document,[".less-error-message ul, .less-error-message li {","list-style-type: none;","margin-right: 15px;","padding: 4px 0;","margin: 0;","}",".less-error-message label {","font-size: 12px;","margin-right: 15px;","padding: 4px 0;","color: #cc7777;","}",".less-error-message pre {","color: #dd6666;","padding: 4px 0;","margin: 0;","display: inline-block;","}",".less-error-message pre.line {","color: #ff0000;","}",".less-error-message h3 {","font-size: 20px;","font-weight: bold;","padding: 15px 0 5px 0;","margin: 0;","}",".less-error-message a {","color: #10a","}",".less-error-message .error {","color: red;","font-weight: bold;","padding-bottom: 2px;","border-bottom: 1px dashed red;","}"].join("\n"),{title:"error-message"}),k.style.cssText=["font-family: Arial, sans-serif","border: 1px solid #e00","background-color: #eee","border-radius: 5px","-webkit-border-radius: 5px","-moz-border-radius: 5px","color: #e00","padding: 15px","margin-bottom: 15px"].join(";"),"development"===c.env&&(g=setInterval(function(){var b=a.document,c=b.body;c&&(b.getElementById(i)?c.replaceChild(k,b.getElementById(i)):c.insertBefore(k,c.firstChild),clearInterval(g))},10))}function g(b){var c=a.document.getElementById("less-error-message:"+d.extractId(b));c&&c.parentNode.removeChild(c)}function h(a){}function i(a){c.errorReporting&&"html"!==c.errorReporting?"console"===c.errorReporting?h(a):"function"==typeof c.errorReporting&&c.errorReporting("remove",a):g(a)}function j(a,d){var e="{line} {content}",f=a.filename||d,g=[],h=(a.type||"Syntax")+"Error: "+(a.message||"There is an error in your .less file")+" in "+f+" ",i=function(a,b,c){void 0!==a.extract[b]&&g.push(e.replace(/\{line\}/,(parseInt(a.line,10)||0)+(b-1)).replace(/\{class\}/,c).replace(/\{content\}/,a.extract[b]))};a.extract&&(i(a,0,""),i(a,1,"line"),i(a,2,""),h+="on line "+a.line+", column "+(a.column+1)+":\n"+g.join("\n")),a.stack&&(a.extract||c.logLevel>=4)&&(h+="\nStack Trace\n"+a.stack),b.logger.error(h)}function k(a,b){c.errorReporting&&"html"!==c.errorReporting?"console"===c.errorReporting?j(a,b):"function"==typeof c.errorReporting&&c.errorReporting("add",a,b):f(a,b)}return{add:k,remove:i}}},{"./browser":3,"./utils":10}],6:[function(a,b,c){b.exports=function(b,c){function d(){if(window.XMLHttpRequest&&!("file:"===window.location.protocol&&"ActiveXObject"in window))return new XMLHttpRequest;try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(a){return c.error("browser doesn't support AJAX."),null}}var e=a("../less/environment/abstract-file-manager.js"),f={},g=function(){};return g.prototype=new e,g.prototype.alwaysMakePathsAbsolute=function(){return!0},g.prototype.join=function(a,b){return a?this.extractUrlParts(b,a).path:b},g.prototype.doXHR=function(a,e,f,g){function h(b,c,d){b.status>=200&&b.status<300?c(b.responseText,b.getResponseHeader("Last-Modified")):"function"==typeof d&&d(b.status,a)}var i=d(),j=!b.isFileProtocol||b.fileAsync;"function"==typeof i.overrideMimeType&&i.overrideMimeType("text/css"),c.debug("XHR: Getting '"+a+"'"),i.open("GET",a,j),i.setRequestHeader("Accept",e||"text/x-less, text/css; q=0.9, */*; q=0.5"),i.send(null),b.isFileProtocol&&!b.fileAsync?0===i.status||i.status>=200&&i.status<300?f(i.responseText):g(i.status,a):j?i.onreadystatechange=function(){4==i.readyState&&h(i,f,g)}:h(i,f,g)},g.prototype.supports=function(a,b,c,d){return!0},g.prototype.clearFileCache=function(){f={}},g.prototype.loadFile=function(a,b,c,d,e){b&&!this.isPathAbsolute(a)&&(a=b+a),c=c||{};var g=this.extractUrlParts(a,window.location.href),h=g.url;if(c.useFileCache&&f[h])try{var i=f[h];e(null,{contents:i,filename:h,webInfo:{lastModified:new Date}})}catch(j){e({filename:h,message:"Error loading file "+h+" error was "+j.message})}else this.doXHR(h,c.mime,function(a,b){f[h]=a,e(null,{contents:a,filename:h,webInfo:{lastModified:b}})},function(a,b){e({type:"File",message:"'"+b+"' wasn't found ("+a+")",href:h})})},g}},{"../less/environment/abstract-file-manager.js":15}],7:[function(a,b,c){b.exports=function(){function b(){throw{type:"Runtime",message:"Image size functions are not supported in browser version of less"}}var c=a("./../less/functions/function-registry"),d={"image-size":function(a){return b(this,a),-1},"image-width":function(a){return b(this,a),-1},"image-height":function(a){return b(this,a),-1}};c.addMultiple(d)}},{"./../less/functions/function-registry":22}],8:[function(a,b,c){var d=a("./utils").addDataAttr,e=a("./browser");b.exports=function(b,c){function f(a){return c.postProcessor&&"function"==typeof c.postProcessor&&(a=c.postProcessor.call(a,a)||a),a}function g(a){var b={};for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c]);return b}function h(a,b){var c=Array.prototype.slice.call(arguments,2);return function(){var d=c.concat(Array.prototype.slice.call(arguments,0));return a.apply(b,d)}}function i(a){for(var b,d=m.getElementsByTagName("style"),e=0;e=c&&console.log(a)},info:function(a){b.logLevel>=d&&console.log(a)},warn:function(a){b.logLevel>=e&&console.warn(a)},error:function(a){b.logLevel>=f&&console.error(a)}}]);for(var g=0;g0&&(a=a.slice(0,b)),b=a.lastIndexOf("/"),b<0&&(b=a.lastIndexOf("\\")),b<0?"":a.slice(0,b+1)},d.prototype.tryAppendExtension=function(a,b){return/(\.[a-z]*$)|([\?;].*)$/.test(a)?a:a+b},d.prototype.tryAppendLessExtension=function(a){return this.tryAppendExtension(a,".less")},d.prototype.supportsSync=function(){return!1},d.prototype.alwaysMakePathsAbsolute=function(){return!1},d.prototype.isPathAbsolute=function(a){return/^(?:[a-z-]+:|\/|\\|#)/i.test(a)},d.prototype.join=function(a,b){return a?a+b:b},d.prototype.pathDiff=function(a,b){var c,d,e,f,g=this.extractUrlParts(a),h=this.extractUrlParts(b),i="";if(g.hostPart!==h.hostPart)return"";for(d=Math.max(h.directories.length,g.directories.length),c=0;c0&&(h.splice(c-1,2),c-=2)}return g.hostPart=f[1],g.directories=h,g.path=(f[1]||"")+h.join("/"),g.fileUrl=g.path+(f[4]||""),g.url=g.fileUrl+(f[5]||""),g},b.exports=d},{}],16:[function(a,b,c){var d=a("../logger"),e=function(a,b){this.fileManagers=b||[],a=a||{};for(var c=["encodeBase64","mimeLookup","charsetLookup","getSourceMapGenerator"],d=[],e=d.concat(c),f=0;f=0;h--){var i=g[h];if(i[f?"supportsSync":"supports"](a,b,c,e))return i}return null},e.prototype.addFileManager=function(a){this.fileManagers.push(a)},e.prototype.clearFileManagers=function(){this.fileManagers=[]},b.exports=e},{"../logger":33}],17:[function(a,b,c){function d(a,b,c){var d,f,g,h,i=b.alpha,j=c.alpha,k=[];g=j+i*(1-j);for(var l=0;l<3;l++)d=b.rgb[l]/255,f=c.rgb[l]/255,h=a(d,f),g&&(h=(j*f+i*(d-j*(d+f-h)))/g),k[l]=255*h;return new e(k,g)}var e=a("../tree/color"),f=a("./function-registry"),g={multiply:function(a,b){return a*b},screen:function(a,b){return a+b-a*b},overlay:function(a,b){return a*=2,a<=1?g.multiply(a,b):g.screen(a-1,b)},softlight:function(a,b){var c=1,d=a;return b>.5&&(d=1,c=a>.25?Math.sqrt(a):((16*a-12)*a+4)*a),a-(1-2*b)*d*(c-a)},hardlight:function(a,b){return g.overlay(b,a)},difference:function(a,b){return Math.abs(a-b)},exclusion:function(a,b){return a+b-2*a*b},average:function(a,b){return(a+b)/2},negation:function(a,b){return 1-Math.abs(a+b-1)}};for(var h in g)g.hasOwnProperty(h)&&(d[h]=d.bind(null,g[h]));f.addMultiple(d)},{"../tree/color":50,"./function-registry":22}],18:[function(a,b,c){function d(a){return Math.min(1,Math.max(0,a))}function e(a){return h.hsla(a.h,a.s,a.l,a.a)}function f(a){if(a instanceof i)return parseFloat(a.unit.is("%")?a.value/100:a.value);if("number"==typeof a)return a;throw{type:"Argument",message:"color functions take numbers as parameters"}}function g(a,b){return a instanceof i&&a.unit.is("%")?parseFloat(a.value*b/100):f(a)}var h,i=a("../tree/dimension"),j=a("../tree/color"),k=a("../tree/quoted"),l=a("../tree/anonymous"),m=a("./function-registry");h={rgb:function(a,b,c){return h.rgba(a,b,c,1)},rgba:function(a,b,c,d){var e=[a,b,c].map(function(a){return g(a,255)});return d=f(d),new j(e,d)},hsl:function(a,b,c){return h.hsla(a,b,c,1)},hsla:function(a,b,c,e){function g(a){return a=a<0?a+1:a>1?a-1:a,6*a<1?i+(j-i)*a*6:2*a<1?j:3*a<2?i+(j-i)*(2/3-a)*6:i}var i,j;return a=f(a)%360/360,b=d(f(b)),c=d(f(c)),e=d(f(e)),j=c<=.5?c*(b+1):c+b-c*b,i=2*c-j,h.rgba(255*g(a+1/3),255*g(a),255*g(a-1/3),e)},hcg:function(a,b,c){return h.hcga(a,b,c,1)},hcga:function(a,b,c,d){if(a=f(a)%360/360*6,b=f(b),c=f(c),b<=0)return[255*c,255*c,255*c];var e=Math.floor(a),g=a-e,i=b*(1-g),j=b*g,k=e%6,l=[b,i,0,0,j,b][k],m=[j,b,b,i,0,0][k],n=[0,0,j,b,b,i][k],o=(1-b)*c;return h.rgba(255*(l+o),255*(m+o),255*(n+o),d)},hsv:function(a,b,c){return h.hsva(a,b,c,1)},hsva:function(a,b,c,d){a=f(a)%360/360*360,b=f(b),c=f(c),d=f(d);var e,g;e=Math.floor(a/60%6),g=a/60-e;var i=[c,c*(1-b),c*(1-g*b),c*(1-(1-g)*b)],j=[[0,3,1],[2,0,1],[1,0,3],[1,2,0],[3,1,0],[0,1,2]];return h.rgba(255*i[j[e][0]],255*i[j[e][1]],255*i[j[e][2]],d)},hue:function(a){return new i(a.toHSL().h)},saturation:function(a){return new i(100*a.toHSL().s,"%")},lightness:function(a){return new i(100*a.toHSL().l,"%")},hsvhue:function(a){return new i(a.toHSV().h)},hsvsaturation:function(a){return new i(100*a.toHSV().s,"%")},hsvvalue:function(a){return new i(100*a.toHSV().v,"%")},red:function(a){return new i(a.rgb[0])},green:function(a){return new i(a.rgb[1])},blue:function(a){return new i(a.rgb[2])},alpha:function(a){return new i(a.toHSL().a)},luma:function(a){return new i(a.luma()*a.alpha*100,"%")},luminance:function(a){var b=.2126*a.rgb[0]/255+.7152*a.rgb[1]/255+.0722*a.rgb[2]/255;return new i(b*a.alpha*100,"%")},saturate:function(a,b,c){if(!a.rgb)return null;var f=a.toHSL();return f.s+="undefined"!=typeof c&&"relative"===c.value?f.s*b.value/100:b.value/100,f.s=d(f.s),e(f)},desaturate:function(a,b,c){var f=a.toHSL();return f.s-="undefined"!=typeof c&&"relative"===c.value?f.s*b.value/100:b.value/100,f.s=d(f.s),e(f)},lighten:function(a,b,c){var f=a.toHSL();return f.l+="undefined"!=typeof c&&"relative"===c.value?f.l*b.value/100:b.value/100,f.l=d(f.l),e(f)},darken:function(a,b,c){var f=a.toHSL();return f.l-="undefined"!=typeof c&&"relative"===c.value?f.l*b.value/100:b.value/100,f.l=d(f.l),e(f)},fadein:function(a,b,c){var f=a.toHSL();return f.a+="undefined"!=typeof c&&"relative"===c.value?f.a*b.value/100:b.value/100,f.a=d(f.a),e(f)},fadeout:function(a,b,c){var f=a.toHSL();return f.a-="undefined"!=typeof c&&"relative"===c.value?f.a*b.value/100:b.value/100,f.a=d(f.a),e(f)},fade:function(a,b){var c=a.toHSL();return c.a=b.value/100,c.a=d(c.a),e(c)},spin:function(a,b){var c=a.toHSL(),d=(c.h+b.value)%360;return c.h=d<0?360+d:d,e(c)},mix:function(a,b,c){a.toHSL&&b.toHSL||(console.log(b.type),console.dir(b)),c||(c=new i(50));var d=c.value/100,e=2*d-1,f=a.toHSL().a-b.toHSL().a,g=((e*f==-1?e:(e+f)/(1+e*f))+1)/2,h=1-g,k=[a.rgb[0]*g+b.rgb[0]*h,a.rgb[1]*g+b.rgb[1]*h,a.rgb[2]*g+b.rgb[2]*h],l=a.alpha*d+b.alpha*(1-d);return new j(k,l)},greyscale:function(a){return h.desaturate(a,new i(100))},contrast:function(a,b,c,d){if(!a.rgb)return null;"undefined"==typeof b&&(b=h.rgba(0,0,0,1)),"undefined"==typeof c&&(c=h.rgba(255,255,255,1));var e,f,g=a.luma(),i=b.luma(),j=c.luma();return e=g>i?(g+.05)/(i+.05):(i+.05)/(g+.05),f=g>j?(g+.05)/(j+.05):(j+.05)/(g+.05),e>f?b:c},argb:function(a){return new l(a.toARGB())},color:function(a){if(a instanceof k&&/^#([a-f0-9]{6}|[a-f0-9]{3})$/i.test(a.value))return new j(a.value.slice(1));if(a instanceof j||(a=j.fromKeyword(a.value)))return a.value=void 0,a;throw{type:"Argument",message:"argument must be a color keyword or 3/6 digit hex e.g. #FFF"}},tint:function(a,b){return h.mix(h.rgb(255,255,255),a,b)},shade:function(a,b){return h.mix(h.rgb(0,0,0),a,b)}},m.addMultiple(h)},{"../tree/anonymous":46,"../tree/color":50,"../tree/dimension":56,"../tree/quoted":73,"./function-registry":22}],19:[function(a,b,c){b.exports=function(b){var c=a("../tree/quoted"),d=a("../tree/url"),e=a("./function-registry"),f=function(a,b){return new d(b,a.index,a.currentFileInfo).eval(a.context)},g=a("../logger");e.add("data-uri",function(a,e){e||(e=a,a=null);var h=a&&a.value,i=e.value,j=this.currentFileInfo,k=j.relativeUrls?j.currentDirectory:j.entryPath,l=i.indexOf("#"),m="";l!==-1&&(m=i.slice(l),i=i.slice(0,l));var n=b.getFileManager(i,k,this.context,b,!0);if(!n)return f(this,e);var o=!1;if(a)o=/;base64$/.test(h);else{if(h=b.mimeLookup(i),"image/svg+xml"===h)o=!1;else{var p=b.charsetLookup(h);o=["US-ASCII","UTF-8"].indexOf(p)<0}o&&(h+=";base64")}var q=n.loadFileSync(i,k,this.context,b);if(!q.contents)return g.warn("Skipped data-uri embedding of "+i+" because file not found"),f(this,e||a);var r=q.contents;if(o&&!b.encodeBase64)return f(this,e);r=o?b.encodeBase64(r):encodeURIComponent(r);var s="data:"+h+","+r+m,t=32768;return s.length>=t&&this.context.ieCompat!==!1?(g.warn("Skipped data-uri embedding of "+i+" because its size ("+s.length+" characters) exceeds IE8-safe "+t+" characters!"),f(this,e||a)):new d(new c('"'+s+'"',s,(!1),this.index,this.currentFileInfo),this.index,this.currentFileInfo)})}},{"../logger":33,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],20:[function(a,b,c){var d=a("../tree/keyword"),e=a("./function-registry"),f={eval:function(){var a=this.value_,b=this.error_;if(b)throw b;if(null!=a)return a?d.True:d.False},value:function(a){this.value_=a},error:function(a){this.error_=a},reset:function(){this.value_=this.error_=null}};e.add("default",f.eval.bind(f)),b.exports=f},{"../tree/keyword":65,"./function-registry":22}],21:[function(a,b,c){var d=a("../tree/expression"),e=function(a,b,c,d){this.name=a.toLowerCase(),this.index=c,this.context=b,this.currentFileInfo=d,this.func=b.frames[0].functionRegistry.get(this.name)};e.prototype.isValid=function(){return Boolean(this.func)},e.prototype.call=function(a){return Array.isArray(a)&&(a=a.filter(function(a){return"Comment"!==a.type}).map(function(a){if("Expression"===a.type){var b=a.value.filter(function(a){return"Comment"!==a.type});return 1===b.length?b[0]:new d(b)}return a})),this.func.apply(this,a)},b.exports=e},{"../tree/expression":59}],22:[function(a,b,c){function d(a){return{_data:{},add:function(a,b){a=a.toLowerCase(),this._data.hasOwnProperty(a),this._data[a]=b},addMultiple:function(a){Object.keys(a).forEach(function(b){this.add(b,a[b])}.bind(this))},get:function(b){return this._data[b]||a&&a.get(b)},inherit:function(){return d(this)}}}b.exports=d(null)},{}],23:[function(a,b,c){b.exports=function(b){var c={functionRegistry:a("./function-registry"),functionCaller:a("./function-caller")};return a("./default"),a("./color"),a("./color-blending"),a("./data-uri")(b),a("./math"),a("./number"),a("./string"),a("./svg")(b),a("./types"),c}},{"./color":18,"./color-blending":17,"./data-uri":19,"./default":20,"./function-caller":21,"./function-registry":22,"./math":25,"./number":26,"./string":27,"./svg":28,"./types":29}],24:[function(a,b,c){var d=a("../tree/dimension"),e=function(){};e._math=function(a,b,c){if(!(c instanceof d))throw{type:"Argument",message:"argument must be a number"};return null==b?b=c.unit:c=c.unify(),new d(a(parseFloat(c.value)),b)},b.exports=e},{"../tree/dimension":56}],25:[function(a,b,c){var d=a("./function-registry"),e=a("./math-helper.js"),f={ceil:null,floor:null,sqrt:null,abs:null,tan:"",sin:"",cos:"",atan:"rad",asin:"rad",acos:"rad"};for(var g in f)f.hasOwnProperty(g)&&(f[g]=e._math.bind(null,Math[g],f[g]));f.round=function(a,b){var c="undefined"==typeof b?0:b.value;return e._math(function(a){return a.toFixed(c)},null,a)},d.addMultiple(f)},{"./function-registry":22,"./math-helper.js":24}],26:[function(a,b,c){var d=a("../tree/dimension"),e=a("../tree/anonymous"),f=a("./function-registry"),g=a("./math-helper.js"),h=function(a,b){switch(b=Array.prototype.slice.call(b),b.length){case 0:throw{type:"Argument",message:"one or more arguments required"}}var c,f,g,h,i,j,k,l,m=[],n={};for(c=0;ci.value)&&(m[f]=g);else{if(void 0!==k&&j!==k)throw{type:"Argument",message:"incompatible types"};n[j]=m.length,m.push(g)}else Array.isArray(b[c].value)&&Array.prototype.push.apply(b,Array.prototype.slice.call(b[c].value));return 1==m.length?m[0]:(b=m.map(function(a){return a.toCSS(this.context)}).join(this.context.compress?",":", "),new e((a?"min":"max")+"("+b+")"))};f.addMultiple({min:function(){return h(!0,arguments)},max:function(){return h(!1,arguments)},convert:function(a,b){return a.convertTo(b.value)},pi:function(){return new d(Math.PI)},mod:function(a,b){return new d(a.value%b.value,a.unit)},pow:function(a,b){if("number"==typeof a&&"number"==typeof b)a=new d(a),b=new d(b);else if(!(a instanceof d&&b instanceof d))throw{type:"Argument",message:"arguments must be numbers"};return new d(Math.pow(a.value,b.value),a.unit)},percentage:function(a){var b=g._math(function(a){return 100*a},"%",a);return b}})},{"../tree/anonymous":46,"../tree/dimension":56,"./function-registry":22,"./math-helper.js":24}],27:[function(a,b,c){var d=a("../tree/quoted"),e=a("../tree/anonymous"),f=a("../tree/javascript"),g=a("./function-registry");g.addMultiple({e:function(a){return new e(a instanceof f?a.evaluated:a.value)},escape:function(a){return new e(encodeURI(a.value).replace(/=/g,"%3D").replace(/:/g,"%3A").replace(/#/g,"%23").replace(/;/g,"%3B").replace(/\(/g,"%28").replace(/\)/g,"%29"))},replace:function(a,b,c,e){var f=a.value;return c="Quoted"===c.type?c.value:c.toCSS(),f=f.replace(new RegExp(b.value,e?e.value:""),c),new d(a.quote||"",f,a.escaped)},"%":function(a){ +for(var b=Array.prototype.slice.call(arguments,1),c=a.value,e=0;e",k=0;k";return j+="',j=encodeURIComponent(j),j="data:image/svg+xml,"+j,new g(new f("'"+j+"'",j,(!1),this.index,this.currentFileInfo),this.index,this.currentFileInfo)})}},{"../tree/color":50,"../tree/dimension":56,"../tree/expression":59,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],29:[function(a,b,c){var d=a("../tree/keyword"),e=a("../tree/detached-ruleset"),f=a("../tree/dimension"),g=a("../tree/color"),h=a("../tree/quoted"),i=a("../tree/anonymous"),j=a("../tree/url"),k=a("../tree/operation"),l=a("./function-registry"),m=function(a,b){return a instanceof b?d.True:d.False},n=function(a,b){if(void 0===b)throw{type:"Argument",message:"missing the required second argument to isunit."};if(b="string"==typeof b.value?b.value:b,"string"!=typeof b)throw{type:"Argument",message:"Second argument to isunit should be a unit or a string."};return a instanceof f&&a.unit.is(b)?d.True:d.False},o=function(a){var b=Array.isArray(a.value)?a.value:Array(a);return b};l.addMultiple({isruleset:function(a){return m(a,e)},iscolor:function(a){return m(a,g)},isnumber:function(a){return m(a,f)},isstring:function(a){return m(a,h)},iskeyword:function(a){return m(a,d)},isurl:function(a){return m(a,j)},ispixel:function(a){return n(a,"px")},ispercentage:function(a){return n(a,"%")},isem:function(a){return n(a,"em")},isunit:n,unit:function(a,b){if(!(a instanceof f))throw{type:"Argument",message:"the first argument to unit must be a number"+(a instanceof k?". Have you forgotten parenthesis?":"")};return b=b?b instanceof d?b.value:b.toCSS():"",new f(a.value,b)},"get-unit":function(a){return new i(a.unit)},extract:function(a,b){return b=b.value-1,o(a)[b]},length:function(a){return new f(o(a).length)}})},{"../tree/anonymous":46,"../tree/color":50,"../tree/detached-ruleset":55,"../tree/dimension":56,"../tree/keyword":65,"../tree/operation":71,"../tree/quoted":73,"../tree/url":80,"./function-registry":22}],30:[function(a,b,c){var d=a("./contexts"),e=a("./parser/parser"),f=a("./plugins/function-importer");b.exports=function(a){var b=function(a,b){this.rootFilename=b.filename,this.paths=a.paths||[],this.contents={},this.contentsIgnoredChars={},this.mime=a.mime,this.error=null,this.context=a,this.queue=[],this.files={}};return b.prototype.push=function(b,c,g,h,i){var j=this;this.queue.push(b);var k=function(a,c,d){j.queue.splice(j.queue.indexOf(b),1);var e=d===j.rootFilename;h.optional&&a?i(null,{rules:[]},!1,null):(j.files[d]=c,a&&!j.error&&(j.error=a),i(a,c,e,d))},l={relativeUrls:this.context.relativeUrls,entryPath:g.entryPath,rootpath:g.rootpath,rootFilename:g.rootFilename},m=a.getFileManager(b,g.currentDirectory,this.context,a);if(!m)return void k({message:"Could not find a file-manager for "+b});c&&(b=m.tryAppendExtension(b,h.plugin?".js":".less"));var n=function(a){var b=a.filename,c=a.contents.replace(/^\uFEFF/,"");l.currentDirectory=m.getPath(b),l.relativeUrls&&(l.rootpath=m.join(j.context.rootpath||"",m.pathDiff(l.currentDirectory,l.entryPath)),!m.isPathAbsolute(l.rootpath)&&m.alwaysMakePathsAbsolute()&&(l.rootpath=m.join(l.entryPath,l.rootpath))),l.filename=b;var i=new d.Parse(j.context);i.processImports=!1,j.contents[b]=c,(g.reference||h.reference)&&(l.reference=!0),h.plugin?new f(i,l).eval(c,function(a,c){k(a,c,b)}):h.inline?k(null,c,b):new e(i,j,l).parse(c,function(a,c){k(a,c,b)})},o=m.loadFile(b,g.currentDirectory,this.context,a,function(a,b){a?k(a):n(b)});o&&o.then(n,k)},b}},{"./contexts":11,"./parser/parser":38,"./plugins/function-importer":40}],31:[function(a,b,c){b.exports=function(b,c){var d,e,f,g,h,i={version:[2,7,1],data:a("./data"),tree:a("./tree"),Environment:h=a("./environment/environment"),AbstractFileManager:a("./environment/abstract-file-manager"),environment:b=new h(b,c),visitors:a("./visitors"),Parser:a("./parser/parser"),functions:a("./functions")(b),contexts:a("./contexts"),SourceMapOutput:d=a("./source-map-output")(b),SourceMapBuilder:e=a("./source-map-builder")(d,b),ParseTree:f=a("./parse-tree")(e),ImportManager:g=a("./import-manager")(b),render:a("./render")(b,f,g),parse:a("./parse")(b,f,g),LessError:a("./less-error"),transformTree:a("./transform-tree"),utils:a("./utils"),PluginManager:a("./plugin-manager"),logger:a("./logger")};return i}},{"./contexts":11,"./data":13,"./environment/abstract-file-manager":15,"./environment/environment":16,"./functions":23,"./import-manager":30,"./less-error":32,"./logger":33,"./parse":35,"./parse-tree":34,"./parser/parser":38,"./plugin-manager":39,"./render":41,"./source-map-builder":42,"./source-map-output":43,"./transform-tree":44,"./tree":62,"./utils":83,"./visitors":87}],32:[function(a,b,c){var d=a("./utils"),e=b.exports=function(a,b,c){Error.call(this);var e=a.filename||c;if(b&&e){var f=b.contents[e],g=d.getLocation(a.index,f),h=g.line,i=g.column,j=a.call&&d.getLocation(a.call,f).line,k=f.split("\n");this.type=a.type||"Syntax",this.filename=e,this.index=a.index,this.line="number"==typeof h?h+1:null,this.callLine=j+1,this.callExtract=k[j],this.column=i,this.extract=[k[h-1],k[h],k[h+1]]}this.message=a.message,this.stack=a.stack};if("undefined"==typeof Object.create){var f=function(){};f.prototype=Error.prototype,e.prototype=new f}else e.prototype=Object.create(Error.prototype);e.prototype.constructor=e},{"./utils":83}],33:[function(a,b,c){b.exports={error:function(a){this._fireEvent("error",a)},warn:function(a){this._fireEvent("warn",a)},info:function(a){this._fireEvent("info",a)},debug:function(a){this._fireEvent("debug",a)},addListener:function(a){this._listeners.push(a)},removeListener:function(a){for(var b=0;b=97&&j<=122||j<34))switch(j){case 40:o++,e=h;continue;case 41:if(--o<0)return b("missing opening `(`",h);continue;case 59:o||c();continue;case 123:n++,d=h;continue;case 125:if(--n<0)return b("missing opening `{`",h);n||o||c();continue;case 92:if(h96)){if(k==j){l=1;break}if(92==k){if(h==m-1)return b("unescaped `\\`",h);h++}}if(l)continue;return b("unmatched `"+String.fromCharCode(j)+"`",i);case 47:if(o||h==m-1)continue;if(k=a.charCodeAt(h+1),47==k)for(h+=2;hd&&g>f?b("missing closing `}` or `*/`",d):b("missing closing `}`",d):0!==o?b("missing closing `)`",e):(c(!0),p)}},{}],37:[function(a,b,c){var d=a("./chunker");b.exports=function(){function a(d){for(var e,f,j,p=k.i,q=c,s=k.i-i,t=k.i+h.length-s,u=k.i+=d,v=b;k.i=0){j={index:k.i,text:v.substr(k.i,x+2-k.i),isLineComment:!1},k.i+=j.text.length-1,k.commentStore.push(j);continue}}break}if(e!==l&&e!==n&&e!==m&&e!==o)break}if(h=h.slice(d+k.i-u+s),i=k.i,!h.length){if(ce||k.i===e&&a&&!f)&&(e=k.i,f=a);var b=j.pop();h=b.current,i=k.i=b.i,c=b.j},k.forget=function(){j.pop()},k.isWhitespace=function(a){var c=k.i+(a||0),d=b.charCodeAt(c);return d===l||d===o||d===m||d===n},k.$re=function(b){k.i>i&&(h=h.slice(k.i-i),i=k.i);var c=b.exec(h);return c?(a(c[0].length),"string"==typeof c?c:1===c.length?c[0]:c):null},k.$char=function(c){return b.charAt(k.i)!==c?null:(a(1),c)},k.$str=function(c){for(var d=c.length,e=0;es||a=b.length;return k.i=b.length-1,furthestChar:b[k.i]}},k}},{"./chunker":36}],38:[function(a,b,c){var d=a("../less-error"),e=a("../tree"),f=a("../visitors"),g=a("./parser-input"),h=a("../utils"),i=function j(a,b,c){function i(a,e){throw new d({index:o.i,filename:c.filename,type:e||"Syntax",message:a},b)}function k(a,b,c){var d=a instanceof Function?a.call(n):o.$re(a);return d?d:void i(b||("string"==typeof a?"expected '"+a+"' got '"+o.currentChar()+"'":"unexpected token"))}function l(a,b){return o.$char(a)?a:void i(b||"expected '"+a+"' got '"+o.currentChar()+"'")}function m(a){var b=c.filename;return{lineNumber:h.getLocation(a,o.getInput()).line+1,fileName:b}}var n,o=g();return{parse:function(g,h,i){var k,l,m,n,p=null,q="";if(l=i&&i.globalVars?j.serializeVars(i.globalVars)+"\n":"",m=i&&i.modifyVars?"\n"+j.serializeVars(i.modifyVars):"",a.pluginManager)for(var r=a.pluginManager.getPreProcessors(),s=0;s1&&(b=new e.Value(g)),d.push(b),g=[])}return o.forget(),a?d:f},literal:function(){return this.dimension()||this.color()||this.quoted()||this.unicodeDescriptor()},assignment:function(){var a,b;return o.save(),(a=o.$re(/^\w+(?=\s?=)/i))&&o.$char("=")&&(b=n.entity())?(o.forget(),new e.Assignment(a,b)):void o.restore()},url:function(){var a,b=o.i;return o.autoCommentAbsorb=!1,o.$str("url(")?(a=this.quoted()||this.variable()||o.$re(/^(?:(?:\\[\(\)'"])|[^\(\)'"])+/)||"",o.autoCommentAbsorb=!0,l(")"),new e.URL(null!=a.value||a instanceof e.Variable?a:new e.Anonymous(a),b,c)):void(o.autoCommentAbsorb=!0)},variable:function(){var a,b=o.i;if("@"===o.currentChar()&&(a=o.$re(/^@@?[\w-]+/)))return new e.Variable(a,b,c)},variableCurly:function(){var a,b=o.i;if("@"===o.currentChar()&&(a=o.$re(/^@\{([\w-]+)\}/)))return new e.Variable("@"+a[1],b,c)},color:function(){var a;if("#"===o.currentChar()&&(a=o.$re(/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/))){var b=a.input.match(/^#([\w]+).*/);return b=b[1],b.match(/^[A-Fa-f0-9]+$/)||i("Invalid HEX color code"),new e.Color(a[1],(void 0),"#"+b)}},colorKeyword:function(){o.save();var a=o.autoCommentAbsorb;o.autoCommentAbsorb=!1;var b=o.$re(/^[_A-Za-z-][_A-Za-z0-9-]+/);if(o.autoCommentAbsorb=a,!b)return void o.forget();o.restore();var c=e.Color.fromKeyword(b);return c?(o.$str(b),c):void 0},dimension:function(){if(!o.peekNotNumeric()){var a=o.$re(/^([+-]?\d*\.?\d+)(%|[a-z_]+)?/i);return a?new e.Dimension(a[1],a[2]):void 0}},unicodeDescriptor:function(){var a;if(a=o.$re(/^U\+[0-9a-fA-F?]+(\-[0-9a-fA-F?]+)?/))return new e.UnicodeDescriptor(a[0])},javascript:function(){var a,b=o.i;o.save();var d=o.$char("~"),f=o.$char("`");return f?(a=o.$re(/^[^`]*`/))?(o.forget(),new e.JavaScript(a.substr(0,a.length-1),Boolean(d),b,c)):void o.restore("invalid javascript definition"):void o.restore()}},variable:function(){var a;if("@"===o.currentChar()&&(a=o.$re(/^(@[\w-]+)\s*:/)))return a[1]},rulesetCall:function(){var a;if("@"===o.currentChar()&&(a=o.$re(/^(@[\w-]+)\(\s*\)\s*;/)))return new e.RulesetCall(a[1])},extend:function(a){var b,d,f,g,h,j=o.i;if(o.$str(a?"&:extend(":":extend(")){do{for(f=null,b=null;!(f=o.$re(/^(all)(?=\s*(\)|,))/))&&(d=this.element());)b?b.push(d):b=[d];f=f&&f[1],b||i("Missing target selector for :extend()."),h=new e.Extend(new e.Selector(b),f,j,c),g?g.push(h):g=[h]}while(o.$char(","));return k(/^\)/),a&&k(/^;/),g}},extendRule:function(){return this.extend(!0)},mixin:{call:function(){var a,b,d,f,g,h,i=o.currentChar(),j=!1,k=o.i;if("."===i||"#"===i){for(o.save();;){if(a=o.i,f=o.$re(/^[#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/),!f)break;d=new e.Element(g,f,a,c),b?b.push(d):b=[d],g=o.$char(">")}return b&&(o.$char("(")&&(h=this.args(!0).args,l(")")),n.important()&&(j=!0),n.end())?(o.forget(),new e.mixin.Call(b,h,k,c,j)):void o.restore()}},args:function(a){var b,c,d,f,g,h,j,k=n.entities,l={args:null,variadic:!1},m=[],p=[],q=[];for(o.save();;){if(a)h=n.detachedRuleset()||n.expression();else{if(o.commentStore.length=0,o.$str("...")){l.variadic=!0,o.$char(";")&&!b&&(b=!0),(b?p:q).push({variadic:!0});break}h=k.variable()||k.literal()||k.keyword()}if(!h)break;f=null,h.throwAwayComments&&h.throwAwayComments(),g=h;var r=null;if(a?h.value&&1==h.value.length&&(r=h.value[0]):r=h,r&&r instanceof e.Variable)if(o.$char(":")){if(m.length>0&&(b&&i("Cannot mix ; and , as delimiter types"),c=!0),g=n.detachedRuleset()||n.expression(),!g){if(!a)return o.restore(),l.args=[],l;i("could not understand value for named argument")}f=d=r.name}else if(o.$str("...")){if(!a){l.variadic=!0,o.$char(";")&&!b&&(b=!0),(b?p:q).push({name:h.name,variadic:!0});break}j=!0}else a||(d=f=r.name,g=null);g&&m.push(g),q.push({name:f,value:g,expand:j}),o.$char(",")||(o.$char(";")||b)&&(c&&i("Cannot mix ; and , as delimiter types"),b=!0,m.length>1&&(g=new e.Value(m)),p.push({name:d,value:g,expand:j}),d=null,m=[],c=!1)}return o.forget(),l.args=b?p:q,l},definition:function(){var a,b,c,d,f=[],g=!1;if(!("."!==o.currentChar()&&"#"!==o.currentChar()||o.peek(/^[^{]*\}/)))if(o.save(),b=o.$re(/^([#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/)){a=b[1];var h=this.args(!1);if(f=h.args,g=h.variadic,!o.$char(")"))return void o.restore("Missing closing ')'");if(o.commentStore.length=0,o.$str("when")&&(d=k(n.conditions,"expected condition")),c=n.block())return o.forget(),new e.mixin.Definition(a,f,c,d,g);o.restore()}else o.forget()}},entity:function(){var a=this.entities;return this.comment()||a.literal()||a.variable()||a.url()||a.call()||a.keyword()||a.javascript()},end:function(){return o.$char(";")||o.peek("}")},alpha:function(){var a;if(o.$re(/^opacity=/i))return a=o.$re(/^\d+/),a||(a=k(this.entities.variable,"Could not parse alpha")),l(")"),new e.Alpha(a)},element:function(){var a,b,d,f=o.i;if(b=this.combinator(),a=o.$re(/^(?:\d+\.\d+|\d+)%/)||o.$re(/^(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/)||o.$char("*")||o.$char("&")||this.attribute()||o.$re(/^\([^&()@]+\)/)||o.$re(/^[\.#:](?=@)/)||this.entities.variableCurly(),a||(o.save(),o.$char("(")?(d=this.selector())&&o.$char(")")?(a=new e.Paren(d),o.forget()):o.restore("Missing closing ')'"):o.forget()),a)return new e.Element(b,a,f,c)},combinator:function(){var a=o.currentChar();if("/"===a){o.save();var b=o.$re(/^\/[a-z]+\//i);if(b)return o.forget(),new e.Combinator(b);o.restore()}if(">"===a||"+"===a||"~"===a||"|"===a||"^"===a){for(o.i++,"^"===a&&"^"===o.currentChar()&&(a="^^",o.i++);o.isWhitespace();)o.i++;return new e.Combinator(a)}return new e.Combinator(o.isWhitespace(-1)?" ":null)},lessSelector:function(){return this.selector(!0)},selector:function(a){for(var b,d,f,g,h,j,l,m=o.i;(a&&(d=this.extend())||a&&(j=o.$str("when"))||(g=this.element()))&&(j?l=k(this.conditions,"expected condition"):l?i("CSS guard can only be used at the end of selector"):d?h=h?h.concat(d):d:(h&&i("Extend can only be used at the end of selector"),f=o.currentChar(),b?b.push(g):b=[g],g=null),"{"!==f&&"}"!==f&&";"!==f&&","!==f&&")"!==f););return b?new e.Selector(b,h,l,m,c):void(h&&i("Extend must be used to extend a selector, it cannot be used on its own"))},attribute:function(){if(o.$char("[")){var a,b,c,d=this.entities;return(a=d.variableCurly())||(a=k(/^(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\.)+/)),c=o.$re(/^[|~*$^]?=/),c&&(b=d.quoted()||o.$re(/^[0-9]+%/)||o.$re(/^[\w-]+/)||d.variableCurly()),l("]"),new e.Attribute(a,c,b)}},block:function(){var a;if(o.$char("{")&&(a=this.primary())&&o.$char("}"))return a},blockRuleset:function(){var a=this.block();return a&&(a=new e.Ruleset(null,a)),a},detachedRuleset:function(){var a=this.blockRuleset();if(a)return new e.DetachedRuleset(a)},ruleset:function(){var b,c,d,f;for(o.save(),a.dumpLineNumbers&&(f=m(o.i));;){if(c=this.lessSelector(),!c)break;if(b?b.push(c):b=[c],o.commentStore.length=0,c.condition&&b.length>1&&i("Guards are only currently allowed on a single selector."),!o.$char(","))break;c.condition&&i("Guards are only currently allowed on a single selector."),o.commentStore.length=0}if(b&&(d=this.block())){o.forget();var g=new e.Ruleset(b,d,a.strictImports);return a.dumpLineNumbers&&(g.debugInfo=f),g}o.restore()},rule:function(b){var d,f,g,h,i,j=o.i,k=o.currentChar();if("."!==k&&"#"!==k&&"&"!==k&&":"!==k)if(o.save(),d=this.variable()||this.ruleProperty()){if(i="string"==typeof d,i&&(f=this.detachedRuleset()),o.commentStore.length=0,!f){h=!i&&d.length>1&&d.pop().value;var l=!b&&(a.compress||i);if(l&&(f=this.value()),!f&&(f=this.anonymousValue()))return o.forget(),new e.Rule(d,f,(!1),h,j,c);l||f||(f=this.value()),g=this.important()}if(f&&this.end())return o.forget(),new e.Rule(d,f,g,h,j,c);if(o.restore(),f&&!b)return this.rule(!0)}else o.forget()},anonymousValue:function(){var a=o.$re(/^([^@+\/'"*`(;{}-]*);/);if(a)return new e.Anonymous(a[1])},"import":function(){var a,b,d=o.i,f=o.$re(/^@import?\s+/);if(f){var g=(f?this.importOptions():null)||{};if(a=this.entities.quoted()||this.entities.url())return b=this.mediaFeatures(),o.$char(";")||(o.i=d,i("missing semi-colon or unrecognised media features on import")),b=b&&new e.Value(b),new e.Import(a,b,g,d,c);o.i=d,i("malformed import statement")}},importOptions:function(){var a,b,c,d={};if(!o.$char("("))return null;do if(a=this.importOption()){switch(b=a,c=!0,b){case"css":b="less",c=!1;break;case"once":b="multiple",c=!1}if(d[b]=c,!o.$char(","))break}while(a);return l(")"),d},importOption:function(){var a=o.$re(/^(less|css|multiple|once|inline|reference|optional)/);if(a)return a[1]},mediaFeature:function(){var a,b,d=this.entities,f=[];o.save();do a=d.keyword()||d.variable(),a?f.push(a):o.$char("(")&&(b=this.property(),a=this.value(),o.$char(")")?b&&a?f.push(new e.Paren(new e.Rule(b,a,null,null,o.i,c,(!0)))):a?f.push(new e.Paren(a)):i("badly formed media feature definition"):i("Missing closing ')'","Parse"));while(a);if(o.forget(),f.length>0)return new e.Expression(f)},mediaFeatures:function(){var a,b=this.entities,c=[];do if(a=this.mediaFeature()){if(c.push(a),!o.$char(","))break}else if(a=b.variable(),a&&(c.push(a),!o.$char(",")))break;while(a);return c.length>0?c:null},media:function(){var b,d,f,g,h=o.i;return a.dumpLineNumbers&&(g=m(h)),o.save(),o.$str("@media")?(b=this.mediaFeatures(),d=this.block(),d||i("media definitions require block statements after any features"),o.forget(),f=new e.Media(d,b,h,c),a.dumpLineNumbers&&(f.debugInfo=g),f):void o.restore()},plugin:function(){var a,b=o.i,d=o.$re(/^@plugin?\s+/);if(d){var f={plugin:!0};if(a=this.entities.quoted()||this.entities.url())return o.$char(";")||(o.i=b,i("missing semi-colon on plugin")),new e.Import(a,null,f,b,c);o.i=b,i("malformed plugin statement")}},directive:function(){var b,d,f,g,h,j,k,l=o.i,n=!0,p=!0;if("@"===o.currentChar()){if(d=this["import"]()||this.plugin()||this.media())return d;if(o.save(),b=o.$re(/^@[a-z-]+/)){switch(g=b,"-"==b.charAt(1)&&b.indexOf("-",2)>0&&(g="@"+b.slice(b.indexOf("-",2)+1)),g){case"@charset":h=!0,n=!1;break;case"@namespace":j=!0,n=!1;break;case"@keyframes":case"@counter-style":h=!0;break;case"@document":case"@supports":k=!0,p=!1;break;default:k=!0}return o.commentStore.length=0,h?(d=this.entity(),d||i("expected "+b+" identifier")):j?(d=this.expression(),d||i("expected "+b+" expression")):k&&(d=(o.$re(/^[^{;]+/)||"").trim(),n="{"==o.currentChar(),d&&(d=new e.Anonymous(d))),n&&(f=this.blockRuleset()),f||!n&&d&&o.$char(";")?(o.forget(),new e.Directive(b,d,f,l,c,a.dumpLineNumbers?m(l):null,p)):void o.restore("directive options not recognised")}}},value:function(){var a,b=[];do if(a=this.expression(),a&&(b.push(a),!o.$char(",")))break;while(a);if(b.length>0)return new e.Value(b)},important:function(){if("!"===o.currentChar())return o.$re(/^! *important/)},sub:function(){var a,b;return o.save(),o.$char("(")?(a=this.addition(),a&&o.$char(")")?(o.forget(),b=new e.Expression([a]),b.parens=!0,b):void o.restore("Expected ')'")):void o.restore()},multiplication:function(){var a,b,c,d,f;if(a=this.operand()){for(f=o.isWhitespace(-1);;){if(o.peek(/^\/[*\/]/))break;if(o.save(),c=o.$char("/")||o.$char("*"),!c){o.forget();break}if(b=this.operand(),!b){o.restore();break}o.forget(),a.parensInOp=!0,b.parensInOp=!0,d=new e.Operation(c,[d||a,b],f),f=o.isWhitespace(-1)}return d||a}},addition:function(){var a,b,c,d,f;if(a=this.multiplication()){for(f=o.isWhitespace(-1);;){if(c=o.$re(/^[-+]\s+/)||!f&&(o.$char("+")||o.$char("-")),!c)break;if(b=this.multiplication(),!b)break;a.parensInOp=!0,b.parensInOp=!0,d=new e.Operation(c,[d||a,b],f),f=o.isWhitespace(-1)}return d||a}},conditions:function(){var a,b,c,d=o.i;if(a=this.condition()){for(;;){if(!o.peek(/^,\s*(not\s*)?\(/)||!o.$char(","))break;if(b=this.condition(),!b)break;c=new e.Condition("or",c||a,b,d)}return c||a}},condition:function(){function a(){return o.$str("or")}var b,c,d;if(b=this.conditionAnd(this)){if(c=a()){if(d=this.condition(),!d)return;b=new e.Condition(c,b,d)}return b}},conditionAnd:function(){function a(a){return a.negatedCondition()||a.parenthesisCondition()}function b(){return o.$str("and")}var c,d,f;if(c=a(this)){if(d=b()){if(f=this.conditionAnd(),!f)return;c=new e.Condition(d,c,f)}return c}},negatedCondition:function(){if(o.$str("not")){var a=this.parenthesisCondition();return a&&(a.negate=!a.negate),a}},parenthesisCondition:function(){function a(a){var b;return o.save(),(b=a.condition())&&o.$char(")")?(o.forget(),b):void o.restore()}var b;return o.save(),o.$str("(")?(b=a(this))?(o.forget(),b):(b=this.atomicCondition())?o.$char(")")?(o.forget(),b):void o.restore("expected ')' got '"+o.currentChar()+"'"):void o.restore():void o.restore()},atomicCondition:function(){var a,b,c,d,f=this.entities,g=o.i;if(a=this.addition()||f.keyword()||f.quoted())return o.$char(">")?d=o.$char("=")?">=":">":o.$char("<")?d=o.$char("=")?"<=":"<":o.$char("=")&&(d=o.$char(">")?"=>":o.$char("<")?"=<":"="),d?(b=this.addition()||f.keyword()||f.quoted(),b?c=new e.Condition(d,a,b,g,(!1)):i("expected expression")):c=new e.Condition("=",a,new e.Keyword("true"),g,(!1)),c},operand:function(){var a,b=this.entities;o.peek(/^-[@\(]/)&&(a=o.$char("-"));var c=this.sub()||b.dimension()||b.color()||b.variable()||b.call()||b.colorKeyword();return a&&(c.parensInOp=!0,c=new e.Negative(c)),c},expression:function(){var a,b,c=[];do a=this.comment(),a?c.push(a):(a=this.addition()||this.entity(),a&&(c.push(a),o.peek(/^\/[\/*]/)||(b=o.$char("/"),b&&c.push(new e.Anonymous(b)))));while(a);if(c.length>0)return new e.Expression(c)},property:function(){var a=o.$re(/^(\*?-?[_a-zA-Z0-9-]+)\s*:/);if(a)return a[1]},ruleProperty:function(){function a(a){var b=o.i,c=o.$re(a);if(c)return g.push(b),f.push(c[1])}var b,d,f=[],g=[];o.save();var h=o.$re(/^([_a-zA-Z0-9-]+)\s*:/);if(h)return f=[new e.Keyword(h[1])],o.forget(),f;for(a(/^(\*?)/);;)if(!a(/^((?:[\w-]+)|(?:@\{[\w-]+\}))/))break;if(f.length>1&&a(/^((?:\+_|\+)?)\s*:/)){for(o.forget(),""===f[0]&&(f.shift(),g.shift()),d=0;d=b);c++);this.preProcessors.splice(c,0,{preProcessor:a,priority:b})},d.prototype.addPostProcessor=function(a,b){var c;for(c=0;c=b);c++);this.postProcessors.splice(c,0,{postProcessor:a,priority:b})},d.prototype.addFileManager=function(a){this.fileManagers.push(a)},d.prototype.getPreProcessors=function(){for(var a=[],b=0;b0){var d,e=JSON.stringify(this._sourceMapGenerator.toJSON());this.sourceMapURL?d=this.sourceMapURL:this._sourceMapFilename&&(d=this._sourceMapFilename),this.sourceMapURL=d,this.sourceMap=e}return this._css.join("")},b}},{}],44:[function(a,b,c){var d=a("./contexts"),e=a("./visitors"),f=a("./tree");b.exports=function(a,b){b=b||{};var c,g=b.variables,h=new d.Eval(b);"object"!=typeof g||Array.isArray(g)||(g=Object.keys(g).map(function(a){var b=g[a];return b instanceof f.Value||(b instanceof f.Expression||(b=new f.Expression([b])),b=new f.Value([b])),new f.Rule("@"+a,b,(!1),null,0)}),h.frames=[new f.Ruleset(null,g)]);var i,j=[],k=[new e.JoinSelectorVisitor,new e.MarkVisibleSelectorsVisitor((!0)),new e.ExtendVisitor,new e.ToCSSVisitor({compress:Boolean(b.compress)})];if(b.pluginManager){var l=b.pluginManager.getVisitors();for(i=0;i.5?j/(2-g-h):j/(g+h),g){case c:a=(d-e)/j+(d0){switch(e){case a:i=(b-c)/g+(b="===a||"=<"===a||"<="===a;case 1:return">"===a||">="===a;default:return!1}}}(this.op,this.lvalue.eval(a),this.rvalue.eval(a));return this.negate?!b:b},b.exports=e},{"./node":70}],54:[function(a,b,c){var d=function(a,b,c){var e="";if(a.dumpLineNumbers&&!a.compress)switch(a.dumpLineNumbers){case"comments":e=d.asComment(b);break;case"mediaquery":e=d.asMediaQuery(b);break;case"all":e=d.asComment(b)+(c||"")+d.asMediaQuery(b)}return e};d.asComment=function(a){return"/* line "+a.debugInfo.lineNumber+", "+a.debugInfo.fileName+" */\n"},d.asMediaQuery=function(a){var b=a.debugInfo.fileName;return/^[a-z]+:\/\//i.test(b)||(b="file://"+b),"@media -sass-debug-info{filename{font-family:"+b.replace(/([.:\/\\])/g,function(a){return"\\"==a&&(a="/"),"\\"+a})+"}line{font-family:\\00003"+a.debugInfo.lineNumber+"}}\n"},b.exports=d},{}],55:[function(a,b,c){var d=a("./node"),e=a("../contexts"),f=function(a,b){this.ruleset=a,this.frames=b};f.prototype=new d,f.prototype.type="DetachedRuleset",f.prototype.evalFirst=!0,f.prototype.accept=function(a){this.ruleset=a.visit(this.ruleset)},f.prototype.eval=function(a){var b=this.frames||a.frames.slice(0);return new f(this.ruleset,b)},f.prototype.callEval=function(a){return this.ruleset.eval(this.frames?new e.Eval(a,this.frames.concat(a.frames)):a)},b.exports=f},{"../contexts":11,"./node":70}],56:[function(a,b,c){var d=a("./node"),e=a("../data/unit-conversions"),f=a("./unit"),g=a("./color"),h=function(a,b){this.value=parseFloat(a),this.unit=b&&b instanceof f?b:new f(b?[b]:void 0)};h.prototype=new d,h.prototype.type="Dimension",h.prototype.accept=function(a){this.unit=a.visit(this.unit)},h.prototype.eval=function(a){return this},h.prototype.toColor=function(){return new g([this.value,this.value,this.value])},h.prototype.genCSS=function(a,b){if(a&&a.strictUnits&&!this.unit.isSingular())throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: "+this.unit.toString());var c=this.fround(a,this.value),d=String(c);if(0!==c&&c<1e-6&&c>-1e-6&&(d=c.toFixed(20).replace(/0+$/,"")),a&&a.compress){if(0===c&&this.unit.isLength())return void b.add(d);c>0&&c<1&&(d=d.substr(1))}b.add(d),this.unit.genCSS(a,b)},h.prototype.operate=function(a,b,c){var d=this._operate(a,b,this.value,c.value),e=this.unit.clone();if("+"===b||"-"===b)if(0===e.numerator.length&&0===e.denominator.length)e=c.unit.clone(),this.unit.backupUnit&&(e.backupUnit=this.unit.backupUnit);else if(0===c.unit.numerator.length&&0===e.denominator.length);else{if(c=c.convertTo(this.unit.usedUnits()),a.strictUnits&&c.unit.toString()!==e.toString())throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '"+e.toString()+"' and '"+c.unit.toString()+"'.");d=this._operate(a,b,this.value,c.value)}else"*"===b?(e.numerator=e.numerator.concat(c.unit.numerator).sort(),e.denominator=e.denominator.concat(c.unit.denominator).sort(),e.cancel()):"/"===b&&(e.numerator=e.numerator.concat(c.unit.denominator).sort(),e.denominator=e.denominator.concat(c.unit.numerator).sort(),e.cancel());return new h(d,e)},h.prototype.compare=function(a){var b,c;if(a instanceof h){if(this.unit.isEmpty()||a.unit.isEmpty())b=this,c=a;else if(b=this.unify(),c=a.unify(),0!==b.unit.compare(c.unit))return;return d.numericCompare(b.value,c.value)}},h.prototype.unify=function(){return this.convertTo({length:"px",duration:"s",angle:"rad"})},h.prototype.convertTo=function(a){var b,c,d,f,g,i=this.value,j=this.unit.clone(),k={};if("string"==typeof a){for(b in e)e[b].hasOwnProperty(a)&&(k={},k[b]=a);a=k}g=function(a,b){return d.hasOwnProperty(a)?(b?i/=d[a]/d[f]:i*=d[a]/d[f],f):a};for(c in a)a.hasOwnProperty(c)&&(f=a[c],d=e[c],j.map(g));return j.cancel(),new h(i,j)},b.exports=h},{"../data/unit-conversions":14,"./color":50,"./node":70,"./unit":79}],57:[function(a,b,c){var d=a("./node"),e=a("./selector"),f=a("./ruleset"),g=function(a,b,c,d,f,g,h,i){var j;if(this.name=a,this.value=b,c)for(Array.isArray(c)?this.rules=c:(this.rules=[c],this.rules[0].selectors=new e([],null,null,this.index,f).createEmptySelectors()),j=0;j1?b=new g(this.value.map(function(b){return b.eval(a)})):1===this.value.length?(this.value[0].parens&&!this.value[0].parensInOp&&(d=!0),b=this.value[0].eval(a)):b=this,c&&a.outOfParenthesis(),this.parens&&this.parensInOp&&!a.isMathOn()&&!d&&(b=new e(b)),b},g.prototype.genCSS=function(a,b){for(var c=0;c0&&c.length&&""===c[0].combinator.value&&(c[0].combinator.value=" "),d=d.concat(a[b].elements);this.selfSelectors=[new e(d)],this.selfSelectors[0].copyVisibilityInfo(this.visibilityInfo())},b.exports=f},{"./node":70,"./selector":77}],61:[function(a,b,c){var d=a("./node"),e=a("./media"),f=a("./url"),g=a("./quoted"),h=a("./ruleset"),i=a("./anonymous"),j=function(a,b,c,d,e,f){if(this.options=c,this.index=d,this.path=a,this.features=b,this.currentFileInfo=e,this.allowRoot=!0,void 0!==this.options.less||this.options.inline)this.css=!this.options.less||this.options.inline;else{var g=this.getPath();g&&/[#\.\&\?\/]css([\?;].*)?$/.test(g)&&(this.css=!0)}this.copyVisibilityInfo(f)};j.prototype=new d,j.prototype.type="Import",j.prototype.accept=function(a){this.features&&(this.features=a.visit(this.features)),this.path=a.visit(this.path),this.options.plugin||this.options.inline||!this.root||(this.root=a.visit(this.root))},j.prototype.genCSS=function(a,b){this.css&&void 0===this.path.currentFileInfo.reference&&(b.add("@import ",this.currentFileInfo,this.index),this.path.genCSS(a,b),this.features&&(b.add(" "),this.features.genCSS(a,b)),b.add(";"))},j.prototype.getPath=function(){return this.path instanceof f?this.path.value.value:this.path.value},j.prototype.isVariableImport=function(){var a=this.path;return a instanceof f&&(a=a.value),!(a instanceof g)||a.containsVariables()},j.prototype.evalForImport=function(a){var b=this.path;return b instanceof f&&(b=b.value),new j(b.eval(a),this.features,this.options,this.index,this.currentFileInfo,this.visibilityInfo())},j.prototype.evalPath=function(a){var b=this.path.eval(a),c=this.currentFileInfo&&this.currentFileInfo.rootpath;if(!(b instanceof f)){if(c){var d=b.value;d&&a.isPathRelative(d)&&(b.value=c+d)}b.value=a.normalizePath(b.value)}return b},j.prototype.eval=function(a){var b=this.doEval(a);return(this.options.reference||this.blocksVisibility())&&(b.length||0===b.length?b.forEach(function(a){a.addVisibilityBlock()}):b.addVisibilityBlock()),b},j.prototype.doEval=function(a){var b,c,d=this.features&&this.features.eval(a);if(this.options.plugin)return c=a.frames[0]&&a.frames[0].functionRegistry,c&&this.root&&this.root.functions&&c.addMultiple(this.root.functions),[];if(this.skip&&("function"==typeof this.skip&&(this.skip=this.skip()),this.skip))return[];if(this.options.inline){var f=new i(this.root,0,{filename:this.importedFilename,reference:this.path.currentFileInfo&&this.path.currentFileInfo.reference},(!0),(!0));return this.features?new e([f],this.features.value):[f]}if(this.css){var g=new j(this.evalPath(a),d,this.options,this.index);if(!g.css&&this.error)throw this.error;return g}return b=new h(null,this.root.rules.slice(0)),b.evalImports(a),this.features?new e(b.rules,this.features.value):b.rules},b.exports=j},{"./anonymous":46,"./media":66,"./node":70,"./quoted":73,"./ruleset":76,"./url":80}],62:[function(a,b,c){var d={};d.Node=a("./node"),d.Alpha=a("./alpha"),d.Color=a("./color"),d.Directive=a("./directive"),d.DetachedRuleset=a("./detached-ruleset"),d.Operation=a("./operation"),d.Dimension=a("./dimension"),d.Unit=a("./unit"),d.Keyword=a("./keyword"),d.Variable=a("./variable"),d.Ruleset=a("./ruleset"),d.Element=a("./element"),d.Attribute=a("./attribute"),d.Combinator=a("./combinator"),d.Selector=a("./selector"),d.Quoted=a("./quoted"),d.Expression=a("./expression"),d.Rule=a("./rule"),d.Call=a("./call"),d.URL=a("./url"),d.Import=a("./import"),d.mixin={Call:a("./mixin-call"),Definition:a("./mixin-definition")},d.Comment=a("./comment"),d.Anonymous=a("./anonymous"),d.Value=a("./value"),d.JavaScript=a("./javascript"),d.Assignment=a("./assignment"),d.Condition=a("./condition"),d.Paren=a("./paren"),d.Media=a("./media"),d.UnicodeDescriptor=a("./unicode-descriptor"),d.Negative=a("./negative"),d.Extend=a("./extend"),d.RulesetCall=a("./ruleset-call"),b.exports=d},{"./alpha":45,"./anonymous":46,"./assignment":47,"./attribute":48,"./call":49,"./color":50,"./combinator":51,"./comment":52,"./condition":53,"./detached-ruleset":55,"./dimension":56,"./directive":57,"./element":58,"./expression":59,"./extend":60,"./import":61,"./javascript":63,"./keyword":65,"./media":66,"./mixin-call":67,"./mixin-definition":68,"./negative":69,"./node":70,"./operation":71,"./paren":72,"./quoted":73,"./rule":74,"./ruleset":76,"./ruleset-call":75,"./selector":77,"./unicode-descriptor":78,"./unit":79,"./url":80,"./value":81,"./variable":82}],63:[function(a,b,c){var d=a("./js-eval-node"),e=a("./dimension"),f=a("./quoted"),g=a("./anonymous"),h=function(a,b,c,d){this.escaped=b,this.expression=a,this.index=c,this.currentFileInfo=d};h.prototype=new d,h.prototype.type="JavaScript",h.prototype.eval=function(a){var b=this.evaluateJavaScript(this.expression,a);return"number"==typeof b?new e(b):"string"==typeof b?new f('"'+b+'"',b,this.escaped,this.index):new g(Array.isArray(b)?b.join(", "):b)},b.exports=h},{"./anonymous":46,"./dimension":56,"./js-eval-node":64,"./quoted":73}],64:[function(a,b,c){var d=a("./node"),e=a("./variable"),f=function(){};f.prototype=new d,f.prototype.evaluateJavaScript=function(a,b){var c,d=this,f={};if(void 0!==b.javascriptEnabled&&!b.javascriptEnabled)throw{message:"You are using JavaScript, which has been disabled.",filename:this.currentFileInfo.filename,index:this.index};a=a.replace(/@\{([\w-]+)\}/g,function(a,c){return d.jsify(new e("@"+c,d.index,d.currentFileInfo).eval(b))});try{a=new Function("return ("+a+")")}catch(g){throw{message:"JavaScript evaluation error: "+g.message+" from `"+a+"`",filename:this.currentFileInfo.filename,index:this.index}}var h=b.frames[0].variables();for(var i in h)h.hasOwnProperty(i)&&(f[i.slice(1)]={value:h[i].value,toJS:function(){return this.value.eval(b).toCSS()}});try{c=a.call(f)}catch(g){throw{message:"JavaScript evaluation error: '"+g.name+": "+g.message.replace(/["]/g,"'")+"'",filename:this.currentFileInfo.filename,index:this.index}}return c},f.prototype.jsify=function(a){return Array.isArray(a.value)&&a.value.length>1?"["+a.value.map(function(a){return a.toCSS()}).join(", ")+"]":a.toCSS()},b.exports=f},{"./node":70,"./variable":82}],65:[function(a,b,c){var d=a("./node"),e=function(a){this.value=a};e.prototype=new d,e.prototype.type="Keyword",e.prototype.genCSS=function(a,b){if("%"===this.value)throw{type:"Syntax",message:"Invalid % without number"};b.add(this.value)},e.True=new e("true"),e.False=new e("false"),b.exports=e},{"./node":70}],66:[function(a,b,c){var d=a("./ruleset"),e=a("./value"),f=a("./selector"),g=a("./anonymous"),h=a("./expression"),i=a("./directive"),j=function(a,b,c,g,h){this.index=c,this.currentFileInfo=g;var i=new f([],null,null,this.index,this.currentFileInfo).createEmptySelectors();this.features=new e(b),this.rules=[new d(i,a)],this.rules[0].allowImports=!0,this.copyVisibilityInfo(h),this.allowRoot=!0};j.prototype=new i,j.prototype.type="Media",j.prototype.isRulesetLike=!0,j.prototype.accept=function(a){this.features&&(this.features=a.visit(this.features)),this.rules&&(this.rules=a.visitArray(this.rules))},j.prototype.genCSS=function(a,b){b.add("@media ",this.currentFileInfo,this.index),this.features.genCSS(a,b),this.outputRuleset(a,b,this.rules)},j.prototype.eval=function(a){a.mediaBlocks||(a.mediaBlocks=[],a.mediaPath=[]);var b=new j(null,[],this.index,this.currentFileInfo,this.visibilityInfo());this.debugInfo&&(this.rules[0].debugInfo=this.debugInfo,b.debugInfo=this.debugInfo);var c=!1;a.strictMath||(c=!0,a.strictMath=!0);try{b.features=this.features.eval(a)}finally{c&&(a.strictMath=!1)}return a.mediaPath.push(b),a.mediaBlocks.push(b),this.rules[0].functionRegistry=a.frames[0].functionRegistry.inherit(),a.frames.unshift(this.rules[0]),b.rules=[this.rules[0].eval(a)],a.frames.shift(),a.mediaPath.pop(),0===a.mediaPath.length?b.evalTop(a):b.evalNested(a)},j.prototype.evalTop=function(a){var b=this;if(a.mediaBlocks.length>1){var c=new f([],null,null,this.index,this.currentFileInfo).createEmptySelectors();b=new d(c,a.mediaBlocks),b.multiMedia=!0,b.copyVisibilityInfo(this.visibilityInfo())}return delete a.mediaBlocks,delete a.mediaPath,b},j.prototype.evalNested=function(a){var b,c,f=a.mediaPath.concat([this]);for(b=0;b0;b--)a.splice(b,0,new g("and"));return new h(a)})),new d([],[])},j.prototype.permute=function(a){if(0===a.length)return[];if(1===a.length)return a[0];for(var b=[],c=this.permute(a.slice(1)),d=0;d0){for(n=!0,k=0;k0)p=B;else if(p=A,q[A]+q[B]>1)throw{type:"Runtime",message:"Ambiguous use of `default()` found when matching for `"+this.format(t)+"`",index:this.index,filename:this.currentFileInfo.filename};for(k=0;kthis.params.length)return!1}c=Math.min(f,this.arity);for(var g=0;gb?1:void 0},d.prototype.blocksVisibility=function(){return null==this.visibilityBlocks&&(this.visibilityBlocks=0),0!==this.visibilityBlocks},d.prototype.addVisibilityBlock=function(){null==this.visibilityBlocks&&(this.visibilityBlocks=0),this.visibilityBlocks=this.visibilityBlocks+1},d.prototype.removeVisibilityBlock=function(){null==this.visibilityBlocks&&(this.visibilityBlocks=0),this.visibilityBlocks=this.visibilityBlocks-1},d.prototype.ensureVisibility=function(){this.nodeVisible=!0},d.prototype.ensureInvisibility=function(){this.nodeVisible=!1},d.prototype.isVisible=function(){return this.nodeVisible},d.prototype.visibilityInfo=function(){return{visibilityBlocks:this.visibilityBlocks,nodeVisible:this.nodeVisible}},d.prototype.copyVisibilityInfo=function(a){a&&(this.visibilityBlocks=a.visibilityBlocks,this.nodeVisible=a.nodeVisible)},b.exports=d},{}],71:[function(a,b,c){var d=a("./node"),e=a("./color"),f=a("./dimension"),g=function(a,b,c){this.op=a.trim(),this.operands=b,this.isSpaced=c};g.prototype=new d,g.prototype.type="Operation",g.prototype.accept=function(a){this.operands=a.visit(this.operands)},g.prototype.eval=function(a){var b=this.operands[0].eval(a),c=this.operands[1].eval(a);if(a.isMathOn()){if(b instanceof f&&c instanceof e&&(b=b.toColor()),c instanceof f&&b instanceof e&&(c=c.toColor()),!b.operate)throw{type:"Operation",message:"Operation on an invalid type"};return b.operate(a,this.op,c)}return new g(this.op,[b,c],this.isSpaced)},g.prototype.genCSS=function(a,b){this.operands[0].genCSS(a,b),this.isSpaced&&b.add(" "),b.add(this.op),this.isSpaced&&b.add(" "),this.operands[1].genCSS(a,b)},b.exports=g},{"./color":50,"./dimension":56,"./node":70}],72:[function(a,b,c){var d=a("./node"),e=function(a){this.value=a};e.prototype=new d,e.prototype.type="Paren",e.prototype.genCSS=function(a,b){b.add("("),this.value.genCSS(a,b),b.add(")")},e.prototype.eval=function(a){return new e(this.value.eval(a))},b.exports=e},{"./node":70}],73:[function(a,b,c){var d=a("./node"),e=a("./js-eval-node"),f=a("./variable"),g=function(a,b,c,d,e){this.escaped=null==c||c,this.value=b||"",this.quote=a.charAt(0),this.index=d,this.currentFileInfo=e};g.prototype=new e,g.prototype.type="Quoted",g.prototype.genCSS=function(a,b){this.escaped||b.add(this.quote,this.currentFileInfo,this.index),b.add(this.value),this.escaped||b.add(this.quote)},g.prototype.containsVariables=function(){return this.value.match(/(`([^`]+)`)|@\{([\w-]+)\}/)},g.prototype.eval=function(a){function b(a,b,c){var d=a;do a=d,d=a.replace(b,c);while(a!==d);return d}var c=this,d=this.value,e=function(b,d){return String(c.evaluateJavaScript(d,a))},h=function(b,d){var e=new f("@"+d,c.index,c.currentFileInfo).eval(a,!0);return e instanceof g?e.value:e.toCSS()};return d=b(d,/`([^`]+)`/g,e),d=b(d,/@\{([\w-]+)\}/g,h),new g(this.quote+d+this.quote,d,this.escaped,this.index,this.currentFileInfo)},g.prototype.compare=function(a){return"Quoted"!==a.type||this.escaped||a.escaped?a.toCSS&&this.toCSS()===a.toCSS()?0:void 0:d.numericCompare(this.value,a.value)},b.exports=g},{"./js-eval-node":64,"./node":70,"./variable":82}],74:[function(a,b,c){function d(a,b){var c,d="",e=b.length,f={add:function(a){d+=a}};for(c=0;cd){if(!c||c(h)){e=h.find(new f(a.elements.slice(d)),b,c);for(var j=0;j0&&b.add(k),a.firstSelector=!0,h[0].genCSS(a,b),a.firstSelector=!1,e=1;e0?(e=a.slice(0),f=e.pop(),h=d.createDerived(f.elements.slice(0))):h=d.createDerived([]),b.length>0){var i=c.combinator,j=b[0].elements[0];i.emptyOrWhitespace&&!j.combinator.emptyOrWhitespace&&(i=j.combinator),h.elements.push(new g(i,j.value,c.index,c.currentFileInfo)),h.elements=h.elements.concat(b[0].elements.slice(1))}if(0!==h.elements.length&&e.push(h),b.length>1){var k=b.slice(1);k=k.map(function(a){return a.createDerived(a.elements,[])}),e=e.concat(k)}return e}function j(a,b,c,d,e){var f;for(f=0;f0?d[d.length-1]=d[d.length-1].createDerived(d[d.length-1].elements.concat(a)):d.push(new f(a))}}function l(a,b,c){function f(a){var b;return"Paren"!==a.value.type?null:(b=a.value.value,"Selector"!==b.type?null:b)}var h,m,n,o,p,q,r,s,t,u,v=!1;for(o=[],p=[[]],h=0;h0&&r[0].elements.push(new g(s.combinator,"",s.index,s.currentFileInfo)),q.push(r);else for(n=0;n0&&(a.push(p[h]),u=p[h][t-1],p[h][t-1]=u.createDerived(u.elements,c.extendList));return v}function m(a,b){var c=b.createDerived(b.elements,b.extendList,b.evaldCondition);return c.copyVisibilityInfo(a),c}var n,o,p;if(o=[],p=l(o,b,c),!p)if(b.length>0)for(o=[],n=0;n0)for(b=0;b=0&&"\n"!==b.charAt(c);)e++;return"number"==typeof a&&(d=(b.slice(0,a).match(/\n/g)||"").length),{line:d,column:e}}}},{}],84:[function(a,b,c){var d=a("../tree"),e=a("./visitor"),f=a("../logger"),g=function(){this._visitor=new e(this),this.contexts=[],this.allExtendsStack=[[]]};g.prototype={run:function(a){return a=this._visitor.visit(a),a.allExtends=this.allExtendsStack[0],a},visitRule:function(a,b){b.visitDeeper=!1},visitMixinDefinition:function(a,b){b.visitDeeper=!1},visitRuleset:function(a,b){if(!a.root){var c,e,f,g,h=[],i=a.rules,j=i?i.length:0;for(c=0;c=0||(i=[k.selfSelectors[0]],g=n.findMatch(j,i),g.length&&(j.hasFoundMatches=!0,j.selfSelectors.forEach(function(a){var b=k.visibilityInfo();h=n.extendSelector(g,i,a,j.isVisible()),l=new d.Extend(k.selector,k.option,0,k.currentFileInfo,b),l.selfSelectors=h,h[h.length-1].extendList=[l],m.push(l),l.ruleset=k.ruleset,l.parent_ids=l.parent_ids.concat(k.parent_ids,j.parent_ids),k.firstExtendOnThisSelectorPath&&(l.firstExtendOnThisSelectorPath=!0,k.ruleset.paths.push(h))})));if(m.length){if(this.extendChainCount++,c>100){var o="{unable to calculate}",p="{unable to calculate}";try{o=m[0].selfSelectors[0].toCSS(),p=m[0].selector.toCSS()}catch(q){}throw{message:"extend circular reference detected. One of the circular extends is currently:"+o+":extend("+p+")"}}return m.concat(n.doExtendChaining(m,b,c+1))}return m},visitRule:function(a,b){b.visitDeeper=!1},visitMixinDefinition:function(a,b){b.visitDeeper=!1},visitSelector:function(a,b){b.visitDeeper=!1},visitRuleset:function(a,b){if(!a.root){var c,d,e,f,g=this.allExtendsStack[this.allExtendsStack.length-1],h=[],i=this;for(e=0;e0&&k[i.matched].combinator.value!==g?i=null:i.matched++,i&&(i.finished=i.matched===k.length,i.finished&&!a.allowAfter&&(e+1k&&l>0&&(m[m.length-1].elements=m[m.length-1].elements.concat(b[k].elements.slice(l)),l=0,k++),j=g.elements.slice(l,i.index).concat([h]).concat(c.elements.slice(1)),k===i.pathIndex&&f>0?m[m.length-1].elements=m[m.length-1].elements.concat(j):(m=m.concat(b.slice(k,i.pathIndex)),m.push(new d.Selector(j))),k=i.endPathIndex,l=i.endPathElementIndex,l>=b[k].elements.length&&(l=0,k++);return k0&&(m[m.length-1].elements=m[m.length-1].elements.concat(b[k].elements.slice(l)),k++),m=m.concat(b.slice(k,b.length)),m=m.map(function(a){var b=a.createDerived(a.elements);return e?b.ensureVisibility():b.ensureInvisibility(),b})},visitMedia:function(a,b){var c=a.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length-1]);c=c.concat(this.doExtendChaining(c,a.allExtends)),this.allExtendsStack.push(c)},visitMediaOut:function(a){var b=this.allExtendsStack.length-1;this.allExtendsStack.length=b},visitDirective:function(a,b){var c=a.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length-1]);c=c.concat(this.doExtendChaining(c,a.allExtends)), +this.allExtendsStack.push(c)},visitDirectiveOut:function(a){var b=this.allExtendsStack.length-1;this.allExtendsStack.length=b}},b.exports=h},{"../logger":33,"../tree":62,"./visitor":91}],85:[function(a,b,c){function d(a){this.imports=[],this.variableImports=[],this._onSequencerEmpty=a,this._currentDepth=0}d.prototype.addImport=function(a){var b=this,c={callback:a,args:null,isReady:!1};return this.imports.push(c),function(){c.args=Array.prototype.slice.call(arguments,0),c.isReady=!0,b.tryRun()}},d.prototype.addVariableImport=function(a){this.variableImports.push(a)},d.prototype.tryRun=function(){this._currentDepth++;try{for(;;){for(;this.imports.length>0;){var a=this.imports[0];if(!a.isReady)return;this.imports=this.imports.slice(1),a.callback.apply(null,a.args)}if(0===this.variableImports.length)break;var b=this.variableImports[0];this.variableImports=this.variableImports.slice(1),b()}}finally{this._currentDepth--}0===this._currentDepth&&this._onSequencerEmpty&&this._onSequencerEmpty()},b.exports=d},{}],86:[function(a,b,c){var d=a("../contexts"),e=a("./visitor"),f=a("./import-sequencer"),g=function(a,b){this._visitor=new e(this),this._importer=a,this._finish=b,this.context=new d.Eval,this.importCount=0,this.onceFileDetectionMap={},this.recursionDetector={},this._sequencer=new f(this._onSequencerEmpty.bind(this))};g.prototype={isReplacing:!1,run:function(a){try{this._visitor.visit(a)}catch(b){this.error=b}this.isFinished=!0,this._sequencer.tryRun()},_onSequencerEmpty:function(){this.isFinished&&this._finish(this.error)},visitImport:function(a,b){var c=a.options.inline;if(!a.css||c){var e=new d.Eval(this.context,this.context.frames.slice(0)),f=e.frames[0];this.importCount++,a.isVariableImport()?this._sequencer.addVariableImport(this.processImportNode.bind(this,a,e,f)):this.processImportNode(a,e,f)}b.visitDeeper=!1},processImportNode:function(a,b,c){var d,e=a.options.inline;try{d=a.evalForImport(b)}catch(f){f.filename||(f.index=a.index,f.filename=a.currentFileInfo.filename),a.css=!0,a.error=f}if(!d||d.css&&!e)this.importCount--,this.isFinished&&this._sequencer.tryRun();else{d.options.multiple&&(b.importMultiple=!0);for(var g=void 0===d.css,h=0;h0},resolveVisibility:function(a,b){if(!a.blocksVisibility()){if(this.isEmpty(a)&&!this.containsSilentNonBlockedChild(b))return;return a}var c=a.rules[0];if(this.keepOnlyVisibleChilds(c),!this.isEmpty(c))return a.ensureVisibility(),a.removeVisibilityBlock(),a},isVisibleRuleset:function(a){return!!a.firstRoot||!this.isEmpty(a)&&!(!a.root&&!this.hasVisibleSelector(a))}};var g=function(a){this._visitor=new e(this),this._context=a,this.utils=new f(a)};g.prototype={isReplacing:!0,run:function(a){return this._visitor.visit(a)},visitRule:function(a,b){if(!a.blocksVisibility()&&!a.variable)return a},visitMixinDefinition:function(a,b){a.frames=[]},visitExtend:function(a,b){},visitComment:function(a,b){if(!a.blocksVisibility()&&!a.isSilent(this._context))return a},visitMedia:function(a,b){var c=a.rules[0].rules;return a.accept(this._visitor),b.visitDeeper=!1,this.utils.resolveVisibility(a,c)},visitImport:function(a,b){if(!a.blocksVisibility())return a},visitDirective:function(a,b){return a.rules&&a.rules.length?this.visitDirectiveWithBody(a,b):this.visitDirectiveWithoutBody(a,b)},visitDirectiveWithBody:function(a,b){function c(a){var b=a.rules;return 1===b.length&&(!b[0].paths||0===b[0].paths.length)}function d(a){var b=a.rules;return c(a)?b[0].rules:b}var e=d(a);return a.accept(this._visitor),b.visitDeeper=!1,this.utils.isEmpty(a)||this._mergeRules(a.rules[0].rules),this.utils.resolveVisibility(a,e)},visitDirectiveWithoutBody:function(a,b){if(!a.blocksVisibility()){if("@charset"===a.name){if(this.charset){if(a.debugInfo){var c=new d.Comment("/* "+a.toCSS(this._context).replace(/\n/g,"")+" */\n");return c.debugInfo=a.debugInfo,this._visitor.visit(c)}return}this.charset=!0}return a}},checkValidNodes:function(a,b){if(a)for(var c=0;c0?a.accept(this._visitor):a.rules=null,b.visitDeeper=!1}return a.rules&&(this._mergeRules(a.rules),this._removeDuplicateRules(a.rules)),this.utils.isVisibleRuleset(a)&&(a.ensureVisibility(),d.splice(0,0,a)),1===d.length?d[0]:d},_compileRulesetPaths:function(a){a.paths&&(a.paths=a.paths.filter(function(a){var b;for(" "===a[0].elements[0].combinator.value&&(a[0].elements[0].combinator=new d.Combinator("")),b=0;b=0;e--)if(c=a[e],c instanceof d.Rule)if(f[c.name]){b=f[c.name],b instanceof d.Rule&&(b=f[c.name]=[f[c.name].toCSS(this._context)]);var g=c.toCSS(this._context);b.indexOf(g)!==-1?a.splice(e,1):b.push(g)}else f[c.name]=c}},_mergeRules:function(a){if(a){for(var b,c,e,f={},g=0;g1){c=b[0];var h=[],i=[];b.map(function(a){"+"===a.merge&&(i.length>0&&h.push(e(i)),i=[]),i.push(a)}),h.push(e(i)),c.value=g(h)}})}},visitAnonymous:function(a,b){if(!a.blocksVisibility())return a.accept(this._visitor),a}},b.exports=g},{"../tree":62,"./visitor":91}],91:[function(a,b,c){function d(a){return a}function e(a,b){var c,d;for(c in a)if(a.hasOwnProperty(c))switch(d=a[c],typeof d){case"function":d.prototype&&d.prototype.type&&(d.prototype.typeIndex=b++);break;case"object":b=e(d,b)}return b}var f=a("../tree"),g={visitDeeper:!0},h=!1,i=function(a){this._implementation=a,this._visitFnCache=[],h||(e(f,1),h=!0)};i.prototype={visit:function(a){if(!a)return a;var b=a.typeIndex;if(!b)return a;var c,e=this._visitFnCache,f=this._implementation,h=b<<1,i=1|h,j=e[h],k=e[i],l=g;if(l.visitDeeper=!0,j||(c="visit"+a.type,j=f[c]||d,k=f[c+"Out"]||d,e[h]=j,e[i]=k),j!==d){var m=j.call(f,a,l);f.isReplacing&&(a=m)}return l.visitDeeper&&a&&a.accept&&a.accept(this),k!=d&&k.call(f,a),a},visitArray:function(a,b){if(!a)return a;var c,d=a.length;if(b||!this._implementation.isReplacing){for(c=0;ck){for(var b=0,c=h.length-j;b 0) { + switch (max) { + case r: h = (g - b) / c + (g < b ? 6 : 0); break; + case g: h = (b - r) / c + 2; break; + case b: h = (r - g) / c + 4; break; + } + h /= 6; + } + return {h: h * 360, c: c, g: gr, a: a}; }; //Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript diff --git a/test/css/functions.css b/test/css/functions.css index 4f8061225..144464541 100644 --- a/test/css/functions.css +++ b/test/css/functions.css @@ -132,6 +132,8 @@ fade-out2-relative: rgba(255, 0, 0, 0.25); hsv: #4d2926; hsva: rgba(77, 40, 38, 0.2); + hcg: #4d2a27; + hcga: rgba(77, 42, 39, 0.2); mix: #ff3300; mix-0: #ffff00; mix-100: #ff0000;