webpack.common.js

const path = require('path');
const CopyPlugin = require('copy-webpack-plugin');
const HtmlPlugin = require('html-webpack-plugin');
const {CleanWebpackPlugin} = require('clean-webpack-plugin');

module.exports = {
  entry: {
    popup: path.resolve('src/popup/popup.tsx'),
    options: path.resolve('src/options/options.tsx'),
    background: path.resolve('src/background/background.ts'),
    contentScript: path.resolve('src/contentScript/contentScript.ts'),
  },
  module: {
    rules: [
      {
        use: 'ts-loader',
        test: /\.tsx?$/,
        exclude: /node_modules/,
      },
      {
        use: ['style-loader', 'css-loader'],
        test: /\.css$/i,
      },
      {
        type: 'asset/resource',
        test: /\.(jpg|jpeg|png|woff|woff2|eot|ttf|svg)$/,
      },
    ],
  },
  plugins: [
    new CleanWebpackPlugin({
      cleanStaleWebpackAssets: false
    }),
    new CopyPlugin({
      patterns: [
        {
          from: path.resolve('src/static'),
          to: path.resolve('dist'),
        },
      ],
    }),
    ...getHtmlPlugins(['popup', 'options']),
  ],
  resolve: {
    extensions: ['.tsx', '.ts', '.js'], // Move extensions property here
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'dist'),
  },
  optimization: {
    splitChunks: {
      chunks: 'all',
    },
  },
};

function getHtmlPlugins(chunks) {
  return chunks.map(
    (chunks) =>
      new HtmlPlugin({
        title: 'React Extension',
        filename: `${chunks}.html`,
        chunks: [chunks],
      })
  );
}