webpack.config.js

const path = require('path');
const isDev = (process.env.NODE_ENV !== 'production');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const autoprefixer = require('autoprefixer');
const RemoveEmptyScriptsPlugin = require('webpack-remove-empty-scripts');

module.exports = {
  mode: 'production',
  entry: {
    'bootstrap-ratio-utilities': ['./scss/bootstrap-ratio-utilities.scss']
  },
  output: {
    path: path.resolve(__dirname, 'dist/css'),
    pathinfo: true,
    publicPath: '',
  },
  module: {
    rules: [
      {
        test: /\.(css|scss)$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              name: '[name].[ext]?[hash]',
            }
          },
          {
            loader: 'css-loader',
            options: {
              sourceMap: isDev,
              importLoaders: 2,
              url: (url) => {
                return false;
              },
            },
          },
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [
                  autoprefixer(),
                  ['postcss-perfectionist', {
                    format: 'expanded',
                    indentSize: 2,
                    trimLeadingZero: true,
                    zeroLengthNoUnit: false,
                    maxAtRuleLength: false,
                    maxSelectorLength: false,
                    maxValueLength: false,
                  }]
                ],
              },
            },
          },
          {
            loader: 'sass-loader',
            options: {
              sourceMap: isDev,
              // Global SCSS imports:
              additionalData: `
                @use "sass:color";
                @use "sass:math";
              `,
            },
          },
        ],
      },
    ],
  },
  resolve: {
    modules: [
      path.join(__dirname, 'node_modules'),
    ],
    extensions: ['.js', '.json'],
  },
  plugins: [
    new RemoveEmptyScriptsPlugin(),
    new CleanWebpackPlugin({
      cleanStaleWebpackAssets: false
    }),
    new MiniCssExtractPlugin(),
  ],
  watchOptions: {
    aggregateTimeout: 300,
    ignored: ['node_modules'],
  }
};