Webpack Starter Template

Setup

npm install webpack webpack-cli --save-dev

NPM Scripts

"scripts": {
    "build": "webpack --config webpack.prod.js",
    "build:dev": "webpack --config webpack.config.js",
    "dev": "webpack serve --open"
},

❌ ReferenceError: regeneratorRuntime ❌

npm i regenerator-runtime --save

module.exports = {
    entry: ['regenerator-runtime/runtime','./src/index.js'],
}

Development Dependencies --save-dev

Name	Package	Production
Webpack CLI	webpack-cli	--
Dev Server	webpack-dev-server	--
HTML Loader	html-loader	--
HTML Plugin	html-webpack-plugin	--
CSS Loader	css-loader	--
Mini CSS Extact Plugin	mini-css-extract-plugin	--
Style Loader	style-loader	--
File Loader	file-loader	--
Copy Plugin	copy-webpack-plugin	--
CSS Minimizer Plugin	css-minimizer-webpack-plugin	yes
Terser Plugin	terser-webpack-plugin	yes
Babel Loader	babel-loader @babel/core	yes
Babel Preset	@babel/preset-env	yes

All in One setup

npm i webpack webpack-cli html-loader html-webpack-plugin webpack-dev-server css-loader style-loader mini-css-extract-plugin file-loader copy-webpack-plugin css-minimizer-webpack-plugin terser-webpack-plugin babel-loader @babel/core @babel/preset-env --save-dev

Dev Config

const HtmlWebPackPlugin    = require('html-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CopyPlugin           = require("copy-webpack-plugin");

module.exports = {

    mode: 'development',
    output:{
        clean: true
    },
    module: {
        rules: [
            {
                test: /\.html$/i,
                loader: 'html-loader',
                options: {
                    minimize: false,
                    sources: false,
                }
            },
            {
                test: /\.css$/i,
                exclude: /styles.css$/,
                use: [ 'style-loader', 'css-loader' ]
            },
            {
                test: /styles.css$/,
                use: [ MiniCssExtractPlugin.loader, 'css-loader' ]
            },
            {
                test: /\.(png|jpe?g|gif)$/i,
                use: [ { loader: 'file-loader' } ]
            }
        ]
    },
    plugins: [
        new HtmlWebPackPlugin({
            template: './src/index.html',
            filename: './index.html',
            // inject: 'body'
        }),
        new MiniCssExtractPlugin({
            filename: '[name].css',
            ignoreOrder: false
        }),
        new CopyPlugin({
            patterns: [
                { from: 'src/assets/', to: 'assets/' }
            ]
        })
    ]

}

Prod Config

const HtmlWebPackPlugin    = require('html-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CopyPlugin           = require("copy-webpack-plugin");

const CssMinimizer = require('css-minimizer-webpack-plugin');
const Terser = require('terser-webpack-plugin');

module.exports = {

    mode: 'production',
    output:{
        clean: true,
        filename: '[name].[contenthash].js'
    },
    module: {
        rules: [
            {
                test: /\.html$/i,
                loader: 'html-loader',
                options: {
                    minimize: false,
                    sources: false,
                }
            },
            {
                test: /\.css$/i,
                exclude: /styles.css$/,
                use: [ 'style-loader', 'css-loader' ]
            },
            {
                test: /styles.css$/,
                use: [ MiniCssExtractPlugin.loader, 'css-loader' ]
            },
            {
                test: /\.(png|jpe?g|gif)$/i,
                use: [ { loader: 'file-loader' } ]
            },
            {
                test: /\.m?js$/,
                exclude: /node_modules/,
                use: {
                  loader: "babel-loader",
                  options: {
                    presets: ['@babel/preset-env']
                  }
                }
              }
        ]
    },
    optimization: {
        minimize: true,
        minimizer: [
            new CssMinimizer(),
            new Terser(),
        ]
    },
    plugins: [
        new HtmlWebPackPlugin({
            template: './src/index.html',
            filename: './index.html',
            // inject: 'body'
        }),
        new MiniCssExtractPlugin({
            filename: '[name].[fullhash].css',
            ignoreOrder: false
        }),
        new CopyPlugin({
            patterns: [
                { from: 'src/assets/', to: 'assets/' }
            ]
        })
    ]

}