Function waitFor

packages/scripts/src/utils/study.ts:56–76

(predicate: () => T, opts?: { timeout_seconds?: number; check_period_ms?: number })

}

export function waitFor<T>(predicate: () => T, opts?: { timeout_seconds?: number; check_period_ms?: number }) {
	return new Promise<T>((resolve, reject) => {
		let timeout: any;
		const interval = setInterval(() => {
			const result = predicate();
			if (result) {
				clearInterval(interval);
				timeout && clearTimeout(timeout);
				resolve(result);
			}
		}, opts?.check_period_ms || 1000);

		// 超时跳过
		if (opts?.timeout_seconds) {
			timeout = setTimeout(() => {
				clearInterval(interval);
				resolve(undefined as any);
			}, (opts?.timeout_seconds || 10) * 1000);
		}
	});
}