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path: root/config/webpack.common.js
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const ImageMinimizerPlugin = require('image-minimizer-webpack-plugin');
const CopyPlugin = require('copy-webpack-plugin');
const paths = require('./paths');

module.exports = {
  entry: {
    style: {
      import: paths.src.style,
      filename: 'js/style.js',
    },
    scripts: {
      import: paths.src.scripts,
      filename: 'js/app.js',
    },
  },
  output: {
    path: paths.dist,
    clean: true,
    hotUpdateChunkFilename: 'hmr/[id].[fullhash].hot-update.js',
    hotUpdateMainFilename: 'hmr/[runtime].[fullhash].hot-update.json',
  },
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /node_modules/,
        use: ['babel-loader'],
      },
      {
        test: /\.(png|jpe?g|gif|svg)$/i,
        type: 'asset/resource',
        generator: {
          filename: (img) => {
            const relativePath = img.filename;
            const filteredPath = relativePath.replace('src/', '');
            return filteredPath;
          },
        },
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/i,
        type: 'asset/resource',
        generator: {
          filename: (font) => {
            const relativePath = font.filename;
            const filteredPath = relativePath.replace('src/', '');
            return filteredPath;
          },
        },
      },
    ],
  },
  optimization: {
    splitChunks: {
      cacheGroups: {
        style: {
          type: 'css/mini-extract',
          name: '/css/style',
          chunks: (chunk) => chunk.name === 'style',
          enforce: true,
        },
      },
    },
  },
  plugins: [
    new ImageMinimizerPlugin({
      minimizerOptions: {
        plugins: [
          ['gifsicle', { interlaced: true }],
          ['mozjpeg', { progressive: true, quality: 75 }],
          ['optipng', { optimizationLevel: 5 }],
          [
            'svgo',
            {
              plugins: [
                {
                  name: 'preset-default',
                  params: {
                    overrides: {
                      removeTitle: false,
                      removeViewBox: false,
                    },
                  },
                },
                'removeDimensions',
              ],
            },
          ],
        ],
      },
    }),
    new CopyPlugin({
      patterns: [
        { from: paths.src.fonts, to: 'fonts', noErrorOnMissing: true },
        { from: paths.src.images, to: 'images', noErrorOnMissing: true },
      ],
    }),
  ],
};