webpack.config.base.js

const path = require('path');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin');

const isDevelopment = process.env.NODE_ENV !== 'production';

const config = {
  entry: {
    background: './src/background.js',
    content: './src/content.js',
    options: './src/options',
    popup: './src/popup',
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].js',
    publicPath: 'dist',
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            plugins: [
              isDevelopment && require.resolve('react-refresh/babel'),
            ].filter(Boolean),
          },
        },
      },
      {
        test: /\.(jpe?g|png|gif|svg|mp4)$/i,
        use: {
          loader: 'url-loader',
        },
      },
    ],
  },
  plugins: [
    isDevelopment && new ReactRefreshWebpackPlugin(),
    new CleanWebpackPlugin(),
  ].filter(Boolean),
};

module.exports = config;