webpack.config.js

//@ts-check
"use strict";

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

const webpack = require("webpack");
const NodePolyfillPlugin = require("node-polyfill-webpack-plugin");

/** @type WebpackConfig */
const webExtensionConfig = {
  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/extension.ts",
  },
  output: {
    filename: "[name].js",
    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
  },
  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 NodePolyfillPlugin(),
  ],
  externals: {
    vscode: "commonjs vscode", // ignored because it doesn't exist
  },
  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 = [webExtensionConfig];