webpack.config.js

import HtmlWebpackPlugin from 'html-webpack-plugin';

export default {
  entry: './src/index.js',
  output: {
    clean: true,
  },
  devServer: {
    open: true,
    host: 'localhost',
  },
  mode: process.env.NODE_ENV || 'development',

  module: {
    rules: [
      {
        test: /\.js$/,
        type: 'javascript/auto',
        resolve: {
          extensions: ['.js'],
          fullySpecified: false,
        },
      },
      // {
      //   test: /\.m?js/,
      //   type: 'javascript/auto',
      // },
      // {
      //   test: /\.m?js/,
      //   resolve: {
      //     fullySpecified: false,
      //   },
      // },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
      {
        test: /\.scss$/,
        use: ['style-loader', 'css-loader', 'sass-loader', 'postcss-loader'],
      },
      {
        test: /\.woff2?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        use: 'url-loader?limit=10000',
      },
      {
        test: /\.(ttf|eot|svg)(\?[\s\S]+)?$/,
        use: 'file-loader',
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: 'index.html',
    }),
  ],
};