instaart/webpack.prod.js at master · yusril-adr/instaart · GitHub

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const { merge } = require('webpack-merge');
const TerserPlugin = require('terser-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const autoprefixer = require('autoprefixer');
const common = require('./webpack.common');

module.exports = merge(common, {
  mode: 'production',
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        terserOptions: {
          output: {
            comments: false,
          },
        },
        extractComments: false,
      }),
      new OptimizeCSSAssetsPlugin({
        cssProcessorPluginOptions: {
          preset: ['default', { discardComments: { removeAll: true } }],
        },
      }),
    ],
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: '/node_modules/',
        use: [
          {
            loader: 'babel-loader',
            options: {
              presets: ['@babel/preset-env'],
            },
          },
        ],
      },
      // Use autoprefixer on prod mode
      {
        test: /\.css$/,
        use: [
          { loader: MiniCssExtractPlugin.loader },
          { loader: 'css-loader' },
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [
                  autoprefixer,
                ],
              },
            },
          },
        ],
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          { loader: MiniCssExtractPlugin.loader },
          { loader: 'css-loader' },
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [
                  autoprefixer,
                ],
              },
            },
          },
          { loader: 'sass-loader' },
        ],
      },
    ],
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: '[name].css',
    }),
  ],
});