webpack.common.js

const path = require('path');
const webpack = require('webpack');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const FaviconsWebpackPlugin = require('favicons-webpack-plugin');
const Dotenv = require('dotenv-webpack');

module.exports = {
  entry: [ path.join(__dirname, 'src', 'index.js') ],
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.(sc|sa|c)ss$/,
        use: [
          MiniCssExtractPlugin.loader,
          'css-loader',
          'sass-loader'
        ]
      },
      {
        test: /\.(png|svg|jpg|jpeg)$/,
        use: 'file-loader'
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: 'Precious Plastic',
      template: path.join(__dirname, 'src', 'index.ejs'),
      inject: 'head',
    }),
    new FaviconsWebpackPlugin(),
    new Dotenv(),
  ]
}