src/vs/base/common/worker/simpleWorker.ts/logOnceWebWorkerWarning
export function logOnceWebWorkerWarning(err: any): void {
	if (!isWeb) {
		// running tests
		return;
	}
	if (!webWorkerWarningLogged) {
		webWorkerWarningLogged = true;
		console.warn('Could not create web worker(s). Falling back to loading web worker code in main thread, which might cause UI freezes. Please see https://github.com/microsoft/monaco-editor#faq');
	}
	console.warn(err.message);
}