Use spawn fn to create an other nodejs process and install dependencies

Author: luctst

lib/cli.js

@@ -7,6 +7,7 @@ const ora = require("ora");
 const path = require("path");
 const replaceInfile = require("replace-in-file");
 const fs = require("fs");
+const { spawn } = require("child_process");
 
 const { tree } = require("./structure.json");
 
@@ -52,9 +53,7 @@ function checkErrors(command) {
 	if (!commandsAvailables.includes(command[0]))
 		return Promise.reject(
 			new Error(
-				chalk`\nThe {yellow ${
-					command[0]
-				}} command is not available for now, run the {yellow --help}.\n`
+				chalk`\nThe {yellow ${command[0]}} command is not available for now, run the {yellow --help}.\n`
 			)
 		);
 	return true;
@@ -220,9 +219,42 @@ async function run(command) {
 			}
 		}).start();
 
-		await createTree({ devMode: false }, answers);
-		spinner.succeed("It's done, your project has been created 👌");
+		await createTree({ devMode: false}, answers);
+
+		spinner.text = `Start installing NodeJs dependencies.`;
+		const child = spawn(
+			"npm",
+			[
+				"install",
+				"-D",
+				"ava",
+				"eslint",
+				"eslint-config-airbnb-base",
+				"eslint-config-prettier",
+				"eslint-plugin-import",
+				"eslint-plugin-prettier",
+				"eslint-watch",
+				"prettier"
+			]
+		);
+
+		child.stdout.on("data", data => {
+			spinner.text = chalk`Install {yellow ${data.toString()}} dependencies.`;
+		});
+
+		child.on("close", code => {
+			if (code !== 0) {
+				spinner.fail();
+				return Promise.reject(
+					new Error(chalk`{red process fail with code ${code}}`)
+				);
+			}
+
+			spinner.succeed(chalk`{green Your project has been created, you can close the process with CTRL + C}.`);
+			return Promise.resolve();
+		});
 	}
+
 	return true;
 }