webpack.prod.js

const path = require('path');
const CopyPlugin = require('copy-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const webpack = require('webpack');

module.exports = {
  mode: 'production',
  entry: {
    background: './src/background.js',
    content: './src/content.js',
    'popup/popup': './src/popup/popup.js'
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'dist'),
    clean: true
  },
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        terserOptions: {
          compress: {
            drop_console: true,  // Removes console.* calls
            drop_debugger: true  // Removes debugger statements
          }
        }
      })
    ]
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      }
    ]
  },
  plugins: [
    new CopyPlugin({
      patterns: [
        { 
          from: "src",
          globOptions: {
            ignore: ["**/*.js"]
          }
        }
      ]
    }),
    new webpack.DefinePlugin({
      IS_DEV: JSON.stringify(false)
    })
  ]
};