webpack.config.js

'use strict';

var path = require('path');
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var MiniCssExtractPlugin = require('mini-css-extract-plugin');
const devMode = process.env.NODE_ENV !== 'production';

module.exports = {
  devtool: 'eval-source-map',
  entry: [path.join(__dirname, 'src/main.js')],
  output: {
    path: path.join(__dirname, '/docs/'),
    filename: '[name].js',
    publicPath: '/',
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: 'src/index.pug',
      inject: 'body',
    }),
    new MiniCssExtractPlugin(),
  ],
  mode: devMode ? 'development' : 'production',
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
      },
      {
        test: /\.pug?$/,
        loaders: ['html-loader', 'pug-html-loader'],
      },
      {
        test: /\.s[ca]ss$/,
        loaders: [
          devMode ? 'style-loader' : MiniCssExtractPlugin.loader,
          'css-loader',
          'postcss-loader',
          'sass-loader',
        ],
      },
      {
        test: /\.(jpe?g|gif|png|svg|woff|ttf|wav|mp3)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]',
        },
      },
    ],
  },
  resolve: {
    modules: ['src', 'node_modules'],
    alias: {
      styles: path.resolve('src', 'styles'),
    },
  },
};