Bring back webpack config (#1897)

Author: dbaeumer

client/webpack.config.js

@@ -0,0 +1,25 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+//@ts-check
+
+'use strict';
+
+const withDefaults = require('../shared.webpack.config');
+const path = require('path');
+
+module.exports = withDefaults({
+	context: path.join(__dirname),
+	entry: {
+		extension: './src/extension.ts',
+	},
+	resolve: {
+		symlinks: false
+	},
+	output: {
+		filename: 'extension.js',
+		path: path.join(__dirname, 'out')
+	}
+});

package.json

@@ -2,7 +2,7 @@
 	"name": "vscode-eslint",
 	"displayName": "ESLint",
 	"description": "Integrates ESLint JavaScript into VS Code.",
-	"version": "3.0.10",
+	"version": "3.0.11",
 	"author": "Microsoft Corporation",
 	"license": "MIT",
 	"repository": {
@@ -628,7 +628,9 @@
 		]
 	},
 	"scripts": {
-		"vscode:prepublish": "npm run esbuild",
+		"vscode:prepublish": "npm run webpack",
+		"webpack": "npm run clean && webpack --mode production --config ./client/webpack.config.js && webpack --mode production --config ./server/webpack.config.js",
+		"webpack:dev": "npm run clean && webpack --mode none --config ./client/webpack.config.js && webpack --mode none --config ./server/webpack.config.js",
 		"esbuild": "npm run clean && node ./esbuild.js",
 		"compile": "tsc -b",
 		"compile:client": "tsc -b ./client/tsconfig.json",

server/webpack.config.js

@@ -0,0 +1,25 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+//@ts-check
+
+'use strict';
+
+const withDefaults = require('../shared.webpack.config');
+const path = require('path');
+
+module.exports = withDefaults({
+	context: path.join(__dirname),
+	entry: {
+		extension: './src/eslintServer.ts',
+	},
+	resolve: {
+		symlinks: false
+	},
+	output: {
+		filename: 'eslintServer.js',
+		path: path.join(__dirname, 'out')
+	}
+});

shared.webpack.config.js

@@ -0,0 +1,59 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+//@ts-check
+/** @typedef {import('webpack').Configuration} WebpackConfig **/
+
+'use strict';
+
+const path = require('path');
+const merge = require('merge-options');
+
+module.exports = function withDefaults(/**@type WebpackConfig*/extConfig) {
+
+	/** @type WebpackConfig */
+	let defaultConfig = {
+		mode: 'none', // this leaves the source code as close as possible to the original (when packaging we set this to 'production')
+		target: 'node', // extensions run in a node context
+		node: {
+			__dirname: false // leave the __dirname-behaviour intact
+		},
+		resolve: {
+			conditionNames: ['import', 'require', 'node'],
+			mainFields: ['module', 'main'],
+			extensions: ['.ts', '.js'] // support ts-files and js-files
+		},
+		module: {
+			rules: [{
+				test: /\.ts$/,
+				exclude: /node_modules/,
+				use: [{
+					// configure TypeScript loader:
+					// * enable sources maps for end-to-end source maps
+					loader: 'ts-loader',
+					options: {
+						compilerOptions: {
+							"sourceMap": true,
+						}
+					}
+				}]
+			}]
+		},
+		externals: {
+			'vscode': 'commonjs vscode', // ignored because it doesn't exist
+		},
+		output: {
+			// all output goes into `dist`.
+			// packaging depends on that and this must always be like it
+			filename: '[name].js',
+			path: path.join(extConfig.context, 'out'),
+			libraryTarget: "commonjs",
+		},
+		// yes, really source maps
+		devtool: 'source-map'
+	};
+
+	return merge(defaultConfig, extConfig);
+};