webpack.config.js

const path = require('path');
const fs = require('fs');
const HTMLWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

const environment = require('./config/environment');

const templateFiles = fs.readdirSync(environment.paths.source)
    .filter((file) => path.extname(file).toLowerCase() === '.html');

const htmlPluginEntries = templateFiles.map((template) => new HTMLWebpackPlugin({
    inject: true,
    hash: false,
    filename: template,
    template: path.resolve(environment.paths.source, template)
}));

module.exports = {
    entry: {
        app: path.resolve(environment.paths.source, 'js', 'index.js'),
    },
    output: {
        filename: 'js/[name].js',
        path: environment.paths.output,
    },
    module: {
        rules: [
            {
                test: /\.((c|sa|sc)ss)$/i,
                use: [MiniCssExtractPlugin.loader, 'css-loader', 'postcss-loader', 'sass-loader'],
            },
            /*{
                test: /\.((c|sa|sc)ss)$/i,
                use: [
                    MiniCssExtractPlugin.loader,
                    {
                        loader: "css-loader",
                        options: {
                            url: false
                        }
                    },
                    {
                        loader: 'postcss-loader',
                        sassOptions: {
                            plugins() {
                                return [ // set autoprefixer options
                                    autoprefixer({ grid: true })
                                ];
                            }
                        }
                    },
                    {
                        loader: "sass-loader",
                        options: {
                            url: false
                        }
                    }
                ]
            },*/
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env']
                    }
                }
            },
        ],
    },
    plugins: [
        new MiniCssExtractPlugin({
            filename: 'css/[name].css',
        }),
        new CleanWebpackPlugin({
            verbose: true,
            cleanOnceBeforeBuildPatterns: ['**/*', '!stats.json'],
        }),
    ].concat(htmlPluginEntries),
    target: 'web',
};