webpack.config.js

/**
 * Copyright (c) HashiCorp, Inc.
 * SPDX-License-Identifier: MPL-2.0
 */

//@ts-check

/* eslint-disable no-undef */
/* eslint-disable @typescript-eslint/no-var-requires */
/* eslint-disable @typescript-eslint/naming-convention */

'use strict';

const path = require('path');
const webpack = require('webpack');

//@ts-check
/** @typedef {import('webpack').Configuration} WebpackConfig **/

/** @type WebpackConfig */
const extensionConfig = {
  name: 'desktop',
  context: __dirname,
  target: 'node', // VS Code extensions run in a Node.js-context 📖 -> https://webpack.js.org/configuration/node/
  mode: 'none', // this leaves the source code as close as possible to the original (when packaging we set this to 'production')

  entry: {
    extension: './src/extension.ts',
  }, // the entry point of this extension, 📖 -> https://webpack.js.org/configuration/entry-context/
  output: {
    // the bundle is stored in the 'out' folder (check package.json), 📖 -> https://webpack.js.org/configuration/output/
    path: path.resolve(__dirname, 'out'),
    filename: '[name].js',
    libraryTarget: 'commonjs2',
  },
  externals: {
    // modules added here also need to be added in the .vscodeignore file
    mocha: 'commonjs mocha', // don't bundle
    '@vscode/test-electron': 'commonjs @vscode/test-electron', // don't bundle
    vscode: 'commonjs vscode', // the vscode-module is created on-the-fly and must be excluded. Add other modules that cannot be webpack'ed, 📖 -> https://webpack.js.org/configuration/externals/
  },
  resolve: {
    mainFields: ['module', 'main'],
    // support reading TypeScript and JavaScript files, 📖 -> https://github.com/TypeStrong/ts-loader
    extensions: ['.ts', '.js'],
  },
  performance: {
    hints: false,
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'ts-loader',
          },
        ],
      },
    ],
  },
  devtool: 'nosources-source-map',
  infrastructureLogging: {
    level: 'log', // enables logging required for problem matchers
  },
};

/** @type WebpackConfig */
const webExtensionConfig = {
  name: 'web',
  context: __dirname,
  mode: 'none', // this leaves the source code as close as possible to the original (when packaging we set this to 'production')
  target: 'webworker', // extensions run in a webworker context
  entry: {
    extension: './src/web/extension.ts',
    'test/integration/index': './src/web/test/integration/index.ts',
  },
  output: {
    filename: '[name].js',
    path: path.join(__dirname, './out/web'),
    libraryTarget: 'commonjs',
    devtoolModuleFilenameTemplate: '../../[resource-path]',
  },
  resolve: {
    mainFields: ['browser', 'module', 'main'], // look for `browser` entry point in imported node modules
    extensions: ['.ts', '.js'], // support ts-files and js-files
    alias: {
      // provides alternate implementation for node module and source files
    },
    fallback: {
      // Webpack 5 no longer polyfills Node.js core modules automatically.
      // see https://webpack.js.org/configuration/resolve/#resolvefallback
      // for the list of Node.js core module polyfills.
      assert: require.resolve('assert'),
    },
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'ts-loader',
          },
        ],
      },
    ],
  },
  plugins: [
    new webpack.optimize.LimitChunkCountPlugin({
      maxChunks: 1, // disable chunks by default since web extensions must be a single bundle
    }),
    new webpack.ProvidePlugin({
      process: 'process/browser', // provide a shim for the global `process` variable
    }),
    new webpack.WatchIgnorePlugin({ paths: [/\.*\.js/] }),
  ],
  externals: {
    // modules added here also need to be added in the .vscodeignore file
    vscode: 'commonjs vscode', // the vscode-module is created on-the-fly and must be excluded. Add other modules that cannot be webpack'ed, 📖 -> https://webpack.js.org/configuration/externals/
  },
  performance: {
    hints: false,
  },
  devtool: 'nosources-source-map', // create a source map that points to the original source file
  infrastructureLogging: {
    level: 'log', // enables logging required for problem matchers
  },
};

module.exports = [extensionConfig, webExtensionConfig];