/**
 * 首页蓝牙连接等流程用到的轻量异步工具（与组件内同名方法行为一致）
 */
export function sleep(ms = 300) {
	return new Promise((resolve) => setTimeout(resolve, ms))
}

/**
 * @param {() => boolean} checker
 * @param {number} timeout 总超时 ms
 * @param {number} interval 轮询间隔 ms
 * @returns {Promise<boolean>} 条件在超时前成立为 true，否则 false
 */
export function waitForCondition(checker, timeout = 12000, interval = 250) {
	return new Promise((resolve) => {
		const start = Date.now()
		const timer = setInterval(() => {
			try {
				if (checker()) {
					clearInterval(timer)
					resolve(true)
					return
				}
			} catch (e) {
				clearInterval(timer)
				resolve(false)
				return
			}
			if (Date.now() - start >= timeout) {
				clearInterval(timer)
				resolve(false)
			}
		}, interval)
	})
}