webpack.worker.config.js

const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');
const path = require('path');
const { ProgressPlugin } = require('webpack');

const tsConfigPath = path.join(__dirname, './tsconfig.json');
const distDir = path.join(__dirname, './dist');

const isProd = process.env.NODE_ENV === 'production';

module.exports = {
  entry: require.resolve('@opensumi/ide-extension/lib/hosted/worker.host-preload.js'),
  output: {
    filename: 'worker.host.js',
    path: distDir,
  },
  target: 'webworker',
  node: {
    net: 'empty',
  },
  mode: 'production',
  devtool: 'none',
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.json', '.less'],
    plugins: [
      new TsconfigPathsPlugin({
        configFile: tsConfigPath,
      }),
    ],
  },
  module: {
    // https://github.com/webpack/webpack/issues/196#issuecomment-397606728
    exprContextCritical: false,
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'ts-loader',
        options: {
          configFile: tsConfigPath,
          happyPackMode: true,
          transpileOnly: true,
          compilerOptions: {
            target: 'es2017',
          },
        },
      },
    ],
  },
  resolveLoader: {
    modules: [path.join(__dirname, '../node_modules')],
    extensions: ['.ts', '.tsx', '.js', '.json', '.less'],
    mainFields: ['loader', 'main'],
    moduleExtensions: ['-loader'],
  },
  plugins: [isProd ? null : new ProgressPlugin()].filter(Boolean),
};