webpack-project-boilerplate/webpack.config.production.js at master · petrosAth/webpack-project-boilerplate · GitHub

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const path = require('path');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const CopyPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

module.exports = {
  mode: 'production',
  entry: {
    bundle: path.resolve(__dirname, 'src/main.js'),
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].[contenthash].js',
    assetModuleFilename: '[name][ext]',
  },
  module: {
    rules: [
      {
        test: /\.scss$/,
        use: [
          'style-loader',
          'css-loader',
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [['postcss-preset-env']],
              },
            },
          },
          'sass-loader',
        ],
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
          },
        },
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: 'asset/resource',
      },
    ],
  },
  plugins: [
    new CleanWebpackPlugin({
      cleanOnceBeforeBuildPatterns: ['dist/*', '!.git'],
    }),
    new CopyPlugin({
      patterns: [
        {
          from: path.resolve(__dirname, 'src/assets/favicon'),
        },
      ],
    }),
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: 'src/index.html',
    }),
    new BundleAnalyzerPlugin({
      analyzerPort: 8888,
      openAnalyzer: false,
    }),
  ],
};