maxwellmcmahon/webpack.config.js at master · maxwellmc/maxwellmcmahon · GitHub

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const path = require('path');
const CopyPlugin = require('copy-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const WebpackNotifierPlugin = require('webpack-notifier');
const ImageminPlugin = require("imagemin-webpack");

module.exports = {
  mode: 'production',
  entry: './assets/js/index.js',
  output: {
    filename: 'main.js',
    path: path.resolve(__dirname, './dist')
  },
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.css$/,
        use: [
          MiniCssExtractPlugin.loader,
          'css-loader',
          'postcss-loader',
        ]
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          MiniCssExtractPlugin.loader,
          // Translates CSS into CommonJS
          'css-loader',
          'postcss-loader',
          // Compiles Sass to CSS
          'sass-loader',
        ],
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: [
          {
            loader: 'file-loader',
            options: {
              name: '[name].[ext]',
            },
          },
        ]
      }
    ],
  },
  plugins: [
    new CleanWebpackPlugin(),
    new CopyPlugin([
      { from: './assets/img', to: 'img' }
    ]),
    new MiniCssExtractPlugin({
      filename: '[name].css',
      chunkFilename: '[id].css',
      ignoreOrder: false,
    }),
    new WebpackNotifierPlugin({alwaysNotify: true}),
    new ImageminPlugin({
      imageminOptions: {
        plugins: [
          ["gifsicle", { interlaced: true }],
          ["mozjpeg", { quality: 50 }],
          ["pngquant", {}],
          [
            "svgo",
            {
              plugins: [
                {
                  removeViewBox: false
                }
              ]
            }
          ]
        ]
      }
    })
  ],
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin(),
      new OptimizeCSSAssetsPlugin()
    ],
  },
};