process.env.NODE_ENV = 'development'; // process.env.ELECTRON_ENABLE_LOGGING = true const chalk = require('chalk'); const electron = require('electron'); const webpack = require('webpack'); const WebpackDevServer = require('webpack-dev-server'); const kill = require('tree-kill'); const path = require('path'); const { spawn } = require('child_process'); const mainConfig = require('../webpack.main.config'); const rendererConfig = require('../webpack.renderer.config'); // const workersConfig = require('../webpack.workers.config'); let electronProcess = null; let manualRestart = null; const remoteDebugging = process.argv.includes('--remote-debug'); if (remoteDebugging) { // disable dvtools open in electron process.env.RENDERER_REMOTE_DEBUGGING = true; } async function killElectron (pid) { return new Promise((resolve, reject) => { if (pid) { kill(pid, 'SIGKILL', err => { if (err) reject(err); resolve(); }); } else resolve(); }); } async function restartElectron () { console.log(chalk.gray('\nStarting electron...')); const { pid } = electronProcess || {}; await killElectron(pid); electronProcess = spawn(electron, [ path.join(__dirname, '../dist/main.js'), // '--enable-logging', // Enable to show logs from all electron processes remoteDebugging ? '--inspect=9222' : '', remoteDebugging ? '--remote-debugging-port=9223' : '' ]); electronProcess.stdout.on('data', data => { console.log(chalk.white(data.toString())); }); electronProcess.stderr.on('data', data => { console.error(chalk.red(data.toString())); }); electronProcess.on('exit', (code, signal) => { if (!manualRestart) process.exit(0); }); } function startMain () { const webpackSetup = webpack(mainConfig); webpackSetup.compilers.forEach((compiler) => { const { name } = compiler; switch (name) { case 'workers': compiler.hooks.afterEmit.tap('afterEmit', async () => { console.log(chalk.gray(`\nCompiled ${name} script!`)); console.log( chalk.gray(`\nWatching file changes for ${name} script...`) ); }); break; case 'main': default: compiler.hooks.afterEmit.tap('afterEmit', async () => { console.log(chalk.gray(`\nCompiled ${name} script!`)); manualRestart = true; await restartElectron(); setTimeout(() => { manualRestart = false; }, 2500); console.log( chalk.gray(`\nWatching file changes for ${name} script...`) ); }); break; } }); webpackSetup.watch({ aggregateTimeout: 500 }, err => { if (err) console.error(chalk.red(err)); }); } function startRenderer (callback) { const compiler = webpack(rendererConfig); const { name } = compiler; compiler.hooks.afterEmit.tap('afterEmit', () => { console.log(chalk.gray(`\nCompiled ${name} script!`)); console.log(chalk.gray(`\nWatching file changes for ${name} script...`)); }); const server = new WebpackDevServer(compiler, { hot: true, port: 9080, client: { overlay: true, logging: 'warn' } }); server.startCallback(err => { if (err) console.error(chalk.red(err)); callback(); }); } startRenderer(startMain);