webpack.config.js

const path = require('path')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const BrowserSyncPlugin = require('browser-sync-webpack-plugin')
const CopyPlugin = require('copy-webpack-plugin')
const webpack = require('webpack')

const finalPath = path.resolve(__dirname, 'public')

module.exports = {
    mode: "development",
    entry: [
        "./assets/js/app.js",
        "./assets/js/lemniscate.js",
    ],
    output: {
        path: finalPath,
        filename: "[name].js",
        chunkFilename: `[name].min.js`,
    },
    resolve: {
        modules: [path.resolve(__dirname, "./node_modules")],
        alias: {
            jquery: "jquery/dist/jquery.slim.js",
            img   : path.resolve(__dirname, "assets/images"),
            js    : path.resolve(__dirname, "assets/js"),
            scsss : path.resolve(__dirname, "assets/scss"),
        },
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: "babel-loader",
                    options: {
                        presets: ["@babel/preset-env"],
                    },
                },
            },
            {
                test: /\.s[ac]ss$/i,
                use: [
                {
                    loader: MiniCssExtractPlugin.loader,
                    options: {
                        publicPath: '../'
                    }
                },
                'css-loader',
                {
                    loader: 'sass-loader',
                    options: {
                        sourceMap: true,
                        sassOptions: {
                            outputStyle:'expanded',
                        },
                    },
                },
                "postcss-loader"
            
                ]
            },
            {
                test: /\.(png|jpe?g|gif|svg)$/,
                use: [
                    {
                        loader: "file-loader",
                        options: {
                            name: "[name].[ext]",
                            outputPath: "img",
                        },
                    },
                ],
            },
        ],
    },
    plugins: [
        new CopyPlugin([
            {
                from: "./assets/images",
                to: path.join(finalPath, "/images"),
                force: true,
            },
        ]),
        new MiniCssExtractPlugin({
            filename: "main.css",
        }),
        new BrowserSyncPlugin({
            host: "localhost",
            port: 3000,
            server: { baseDir: "." },
            open: false,
        }),
        new webpack.ProvidePlugin({
            $: 'jquery',
            jQuery: 'jquery'
        })
    ],
};