matterbridge-roborock-vacuum-plugin/web-for-testing/watch.mjs

Matterbridge Roborock Vacuum Plugin

import { spawn } from 'child_process';
import { watch } from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));

let isBuilding = false;
let currentProcess = null;

function debounce(func, wait) {
  let timeout;
  return function executedFunction(...args) {
    const later = () => {
      clearTimeout(timeout);
      func(...args);
    };
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
  };
}

function killCurrentProcess() {
  if (currentProcess && !currentProcess.killed) {
    currentProcess.kill('SIGINT');
    currentProcess = null;
  }
}

function buildAndRun() {
  if (isBuilding) return;

  isBuilding = true;
  killCurrentProcess();

  console.log('\n🔄 Building...');

  const buildProcess = spawn('npm', ['run', 'build'], {
    cwd: __dirname,
    stdio: 'inherit',
    shell: true,
  });

  buildProcess.on('close', (code) => {
    isBuilding = false;
    if (code === 0) {
      console.log('✅ Build successful, starting app...');
      currentProcess = spawn('node', ['dist/app.js'], {
        cwd: __dirname,
        stdio: 'inherit',
        shell: true,
      });

      currentProcess.on('close', (appCode) => {
        if (appCode !== 0 && appCode !== null) {
          console.log(`❌ App exited with code ${appCode}`);
        }
      });
    } else {
      console.log(`❌ Build failed with code ${code}`);
    }
  });
}

// Initial build and run
buildAndRun();

// Watch for file changes
const debouncedBuildAndRun = debounce(buildAndRun, 500);

console.log('👀 Watching src/ directory for changes...');

const watcher = watch(path.join(__dirname, 'src'), { recursive: true }, (eventType, filename) => {
  if (filename && filename.endsWith('.ts')) {
    console.log(`📝 File changed: ${filename}`);
    debouncedBuildAndRun();
  }
});

// Handle process termination
process.on('SIGINT', () => {
  console.log('\n🛑 Stopping watcher...');
  watcher.close();
  killCurrentProcess();
  process.exit(0);
});

process.on('SIGTERM', () => {
  console.log('\n🛑 Stopping watcher...');
  watcher.close();
  killCurrentProcess();
  process.exit(0);
});