webpack.config.js

/*! LIGHT-PARTICLE: WEBPACK.CONFIG.JS
 * 
 * Author: sitdisch
 * Source: https://sitdisch.github.io/#mythemeway
 * License: MIT
 * Copyright © 2020 sitdisch
 */

// 
// SECTION: OTHER CONST, VARS & FUNCTIONS
// 

const TerserPlugin = require('terser-webpack-plugin');
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const IgnoreEmitPlugin = require('ignore-emit-webpack-plugin');
const { emptyDirSync, ensureFileSync } = require('fs-extra');
const { spawn, fork } = require('child_process');
const { resolve } = require('path');
const { watch } = require('chokidar');

var projectLog = '';

// 
// SECTION: ASSETS CLEARING
// 

emptyDirSync('./docs/assets');
console.log("[\x1b[90mfs-extra\x1b[0m]: Assets \x1b[1;32m[cleaned]\x1b[0m");

// 
// SECTION: WEBPACK
// 

var config = {
  entry: {
    main: './index.js',
    style: './src/styles/main.scss',
    bootstrap: './src/styles/bootstrap.scss',
  },
  plugins: [
    new MiniCssExtractPlugin( { filename: "css/[name].min.css" }),
    new IgnoreEmitPlugin([ /bootstrap.bundle.min.js$/, /style.bundle.min.js$/ ]),
  ],
  module: {
    rules: [
      {
        test: /\.s[ac]ss$/i,
        use: [
          MiniCssExtractPlugin.loader,
          'css-loader',
          'sass-loader',
        ],
      },
    ],
  },
}

module.exports = (env, argv) => {
  if (argv.mode === 'development') {
    config.output = {
      publicPath: '/assets',
      filename: 'js/[name].bundle.min.js',
    };
    config.devServer = {
      static: [
        {
          directory: './docs',
          watch: {
            watchContentBase: true,
            watchOptions: { aggregateTimeout: 100 },
          },
        },
      ],
      hot: false,
      onListening: devServer => {
        const watcherConfig = fork('watcher.config.mjs', [""], {stdio: 'inherit'})
          .on('spawn', () =>
            console.log("[\x1b[90mnode\x1b[0m]: Starting async `\x1b[36mexec\x1b[0m` of \x1b[35mwatcher.config.mjs\x1b[0m..."))
          .on('error', err => {
            console.log("\x1b[1;31m[ERROR]\x1b[0m => [\x1b[90mnode\x1b[0m]: `\x1b[36mexec\x1b[0m` of \x1b[35mwatcher.config.mjs \x1b[1;31m[failed]\x1b[0m");
            throw err;})
        ;
        watch('./docs/assets/', {ignored: /^(js|styles)\//,ignoreInitial: true})
          .on('all', () => {
            for (const ws of devServer.webSocketServer.clients) {
              ws.send('{"type": "static-changed"}')
            }
          })
        ;
        devServer.compiler.hooks.afterDone.tap('compLog', () => {
          console.log("[\x1b[90mwebpack\x1b[0m]: Starting `\x1b[36mcompile-process\x1b[0m`...");
          if (!(projectLog)) {
            projectLog = "[\x1b[90mwebpack\x1b[0m]: Server is still running...\n    Server Address: \x1b[1;36mhttp://localhost:"+devServer.server.address().port+"/\x1b[0m\n\t   Restart: insert \x1b[35mrs\x1b[0m and hit \x1b[35m<CR>\x1b[0m\n\t      Exit: press \x1b[35mctrl-c\x1b[0m";
            watcherConfig.send(projectLog);
            ensureFileSync('./docs/assets/js/canvas.bundle.min.js');
            watch('./docs/assets/js/canvas.bundle.min.js', {ignoreInitial: true})
              .on('change', () => {
                console.log("[\x1b[90mwebpack\x1b[0m]: `\x1b[36mcanvas-build-process\x1b[0m` \x1b[1;32m[finished]\x1b[0m");
                setTimeout(() => console.log(projectLog), 100);
              })
            ;
          };
          setTimeout(() => console.log(projectLog), 100);
        });
      },
    };
  } else {
    config.output = {
      path: resolve(__dirname, './docs/assets'),
      filename: 'js/[name].bundle.min.js',
    };
    config.optimization = {
      minimize: true,
      minimizer: [new TerserPlugin(), new CssMinimizerPlugin()],
    };
    spawn('node',['watcher.config.mjs', '1'], {stdio: 'inherit'})
      .on('spawn', () =>
        console.log("[\x1b[90mnode\x1b[0m]: Starting async `\x1b[36mexec\x1b[0m` of \x1b[35mwatcher.config.mjs\x1b[0m..."))
      .on('error', err => {
        console.log("\x1b[1;31m[ERROR]\x1b[0m => [\x1b[90mnode\x1b[0m]: `\x1b[36mexec\x1b[0m` of \x1b[35mwatcher.config.mjs \x1b[1;31m[failed]\x1b[0m");
        throw err;})
      .on('close', () =>
        console.log("[\x1b[90mnode\x1b[0m]: `\x1b[36mexec\x1b[0m` of \x1b[35mwatcher.config.mjs \x1b[1;32m[finished]\x1b[0m"))
    ;
  };
  return config;
};