import puppeteer, { Browser } from 'puppeteer';
import { config, debug } from './config.js';
// Singleton browser instance
let browserInstance: Browser | null = null;
/**
* Get a browser instance, creating one if it doesn't exist
*/
export async function getBrowser(): Promise<Browser> {
if (!browserInstance) {
debug('Launching new browser instance');
const options = {
headless: config.isHeadless,
args: [
'--disable-setuid-sandbox',
'--no-sandbox',
'--disable-dev-shm-usage',
'--disable-accelerated-2d-canvas',
'--no-first-run',
'--no-zygote',
'--disable-gpu'
]
};
browserInstance = await puppeteer.launch(options);
// Handle browser closing
browserInstance.on('disconnected', () => {
debug('Browser disconnected');
browserInstance = null;
});
}
return browserInstance;
}
/**
* Close the browser instance if it exists
*/
export async function closeBrowser(): Promise<void> {
if (browserInstance) {
debug('Closing browser instance');
await browserInstance.close();
browserInstance = null;
}
}
// Handle process exit to close browser gracefully
process.on('SIGINT', async () => {
await closeBrowser();
process.exit(0);
});
process.on('SIGTERM', async () => {
await closeBrowser();
process.exit(0);
});
