webpack.dev.config.ts

import type { Configuration as WebpackConfiguration } from 'webpack';
import type { Configuration as DevServerConfiguration } from 'webpack-dev-server';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import path from 'node:path';

/** https://github.com/webpack/webpack-dev-server?tab=readme-ov-file#with-typescript */
type WebpackDevConfig = WebpackConfiguration & {
  devServer?: DevServerConfiguration;
};

const config: WebpackDevConfig = {
  mode: 'development',
  entry: './src/extension/react/index.tsx',
  devtool: 'inline-source-map',
  devServer: {
    static: {
      directory: path.resolve(__dirname, 'out'),
    },
    hot: true,
    port: 3000,
    open: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/extension/index.html',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.[jt]sx?$/,
        exclude: /node_modules/,
        use: {
          loader: 'ts-loader',
          options: {
            transpileOnly: true, // faster builds for development
          },
        },
      },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx'],
  },
};

export default config;