/**
* CDP (Chrome DevTools Protocol) Session Manager
* Manages CDP session lifecycle for advanced browser automation tools
*/
const { debugLog } = require('./utils');
// CDP session state
let cdpSession = null;
let currentPage = null;
/**
* Get or create CDP session for current page
* Sessions are cached per page instance for efficiency
* @returns {CDPSession} Active CDP session
*/
async function getCDPSession() {
// Lazy-load to avoid circular dependency with browser.js
const { connectToBrowser } = require('./browser');
const { page } = await connectToBrowser();
// If page changed or session doesn't exist, create new session
if (!cdpSession || currentPage !== page) {
// Detach old session if it exists
if (cdpSession) {
try {
await cdpSession.detach();
debugLog('Detached old CDP session');
} catch (e) {
debugLog(`Failed to detach old CDP session: ${e.message}`);
}
}
// Create new session for current page
currentPage = page;
cdpSession = await page.context().newCDPSession(page);
debugLog('Created new CDP session');
}
return cdpSession;
}
/**
* Reset CDP session state
* Called when browser state is reset (connection lost, browser restart, etc.)
*/
function resetCDPSession() {
if (cdpSession) {
debugLog('Resetting CDP session state');
}
cdpSession = null;
currentPage = null;
}
module.exports = {
getCDPSession,
resetCDPSession
};
