webpack.config.js

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

module.exports = {
  mode: process.env.NODE_ENV,
  entry: './src/ts/crx.ts',
  output: {
    filename: 'index.js',
    path: path.resolve(__dirname, 'crx'),
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: 'ts-loader',
      },
      {
        test: /\.(css|less)$/,
        use: [
          {
            loader: 'style-loader',
          },
          {
            loader: 'css-loader?module&localIdentName=[local]-[hash:base64:5]',
          },
          {
            loader: 'postcss-loader',
          },
          {
            loader: 'less-loader',
          },
        ],
      },
    ],
  },
  resolve: {
    extensions: ['.ts', '.js'],
  },
  plugins: [
    new webpack.DefinePlugin({
      NODE_ENV: JSON.stringify(process.env.NODE_ENV),
    }),
  ],
  devServer: {
    static: {
      directory: __dirname,
    },
    compress: true,
    port: 5000,
  },
};