webpack.config.js

'use strict';

const CleanWebpackPlugin = require('clean-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
  entry: './src/js/index.js',
  output: {
    filename: 'bundle.js',
    path: __dirname + '/build'
  },
  devtool: 'source-map',
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: [
          'babel-loader',
          'eslint-loader'
        ]
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: 'html-loader',
            options: { minimize: true }
          }
        ]
      },
      {
        test: /\.scss$/,
        exclude: /node_modules/,
        use: [
          MiniCssExtractPlugin.loader,
          {
            loader: 'css-loader', // translates CSS into CommonJS
            options: {
              sourceMap: true,
              minimize: true
            }
          },
          {
            loader: 'postcss-loader'
          },
          {
            loader: 'sass-loader', // compiles Sass to CSS
            options: {
              sourceMap: true
            }
          }
        ]
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/index.html',
      filename: './index.html'
    }),
    new MiniCssExtractPlugin({
      filename: "[name].css"
    }),
    new CleanWebpackPlugin(
      ['build'], {
        verbose: true
      }
    ),
    new CopyWebpackPlugin([
      { from: 'data/**/*.json', to: 'data/[name].[ext]' },
      { from: 'data/avatars/*.+(jpeg|jpg|gif|png)', to: 'data/avatars/[name].[ext]' }
    ], {
      debug: 'info',
      context: 'src/'
    })
  ]
}