fix: parsing comments in jsx (#82)

Author: armano2

src/convert-comments.ts

@@ -107,7 +107,12 @@ export function convertComments(
    * Create a TypeScript Scanner, with skipTrivia set to false so that
    * we can parse the comments
    */
-  const triviaScanner = ts.createScanner(ast.languageVersion, false, 0, code);
+  const triviaScanner = ts.createScanner(
+    ast.languageVersion,
+    false,
+    ast.languageVariant,
+    code
+  );
 
   let kind = triviaScanner.scan();
   while (kind !== ts.SyntaxKind.EndOfFileToken) {
@@ -123,8 +128,21 @@ export function convertComments(
         comments.push(comment);
         break;
       }
+      case ts.SyntaxKind.GreaterThanToken:
+        container = nodeUtils.getNodeContainer(ast, start, end);
+        if (
+          container &&
+          container.parent &&
+          container.parent.kind === ts.SyntaxKind.JsxOpeningElement &&
+          container.parent.parent &&
+          container.parent.parent.kind === ts.SyntaxKind.JsxElement
+        ) {
+          kind = triviaScanner.reScanJsxToken();
+          continue;
+        }
+        break;
       case ts.SyntaxKind.CloseBraceToken:
-        container = nodeUtils.getNodeContainer(ast, start, end) as ts.Node;
+        container = nodeUtils.getNodeContainer(ast, start, end);
 
         if (
           container.kind === ts.SyntaxKind.TemplateMiddle ||

tests/fixtures/comments/jsx-comment-after-jsx.src.js

@@ -0,0 +1,5 @@
+const pure = () => {
+    return (
+        <Foo></Foo> // Foo
+    );
+}

tests/fixtures/comments/jsx-comment-after-self-closing-jsx.src.js

@@ -0,0 +1,5 @@
+const pure = () => {
+    return (
+        <Foo /> // Foo
+    );
+}

tests/fixtures/comments/jsx-text-with-multiline-non-comment.src.js

@@ -0,0 +1,9 @@
+const pure = () => {
+  return (
+    <Foo>
+      /**
+       * test
+       */
+    </Foo>
+  );
+}

tests/fixtures/comments/jsx-text-with-url.src.js

@@ -0,0 +1 @@
+const link = (<a href="http://example.com">http://example.com</a>);

tests/fixtures/comments/jsx-with-greather-than.src.js

@@ -0,0 +1,4 @@
+if (1 >/* Test */2) {
+  test( 2 >> 3);
+  const foo = <test>//</test>
+}

tests/fixtures/comments/jsx-with-operators.src.js

@@ -0,0 +1,4 @@
+if (1 </* Test */2) {
+  test( 2 >> 3);
+  const foo = <test>//</test>
+}

tests/fixtures/comments/type-assertion-regression-test.src.ts

@@ -0,0 +1,2 @@
+const foo = <Foo> // test
+  bar;