Function drainBrowserPool

packages/engine/src/services/browserManager.ts:546–560

()

 * that should not share browser state.
 */
export async function drainBrowserPool(): Promise<void> {
  // Await any in-flight launch first — otherwise the launch resolves after we
  // drain and produces a browser that nobody references (orphan).
  const pending = _pooledBrowserLaunchPromise;
  _pooledBrowserLaunchPromise = null;
  if (pending) {
    await pending.then((r) => r.browser.close()).catch(() => {});
  }
  if (pooledBrowser) {
    const browser = pooledBrowser;
    pooledBrowser = null;
    pooledBrowserRefCount = 0;
    await browser.close().catch(() => {});
  }
}

/** Test-only: reset all pool state. */
export function _resetBrowserPoolForTests(): void {