webpack.config.js

const path = require('path');
const autoprefixer = require('autoprefixer');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = [{
    entry: {
        style: './src/assets/scss/app.scss',
        app: './src/assets/js/app.js'
    },
    output: {
        filename: "[name].bundle.js",
        path: __dirname + "/dist"
    },
    module: {
        rules: [
            {
                test: /\.scss$/,
                use: [{
                        loader: 'file-loader',
                        options: {
                            name: 'bundle.css',
                        },
                    },
                    {
                        loader: 'extract-loader'
                    },
                    {
                        loader: 'css-loader'
                    }, {
                        loader: 'postcss-loader',
                        options: {
                            plugins: () => [autoprefixer()]
                        }
                    },
                    {
                        loader: 'sass-loader',
                        options: {
                            sassOptions: {
                                includePaths: ['./node_modules']
                            }
                        }
                    },
                ],
            },
            {
                test: /\.js$/,
                loader: 'babel-loader',
                query: {
                    presets: ['@babel/preset-env'],
                },
            },
            {
                test: /\.(png|jp(e*)g|svg)$/,
                use: [{
                    loader: 'url-loader',
                    options: {
                        limit: 1024, // Convert images < 1kb to base64 strings
                        name: 'images/[folder]-[name]-[contenthash].[ext]'
                    }
                }]
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: path.join(__dirname, 'index.html'),
            inject: 'body'
        })
    ]
}];