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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | 83x 83x 83x 83x 32x 3x 3x 2x 3x 3x | /**
* @public
*/
export interface WaitResult<T> extends Promise<T> {
/**
* 取消等待，不执行后续逻辑。
*/
cancel: () => void
}
/**
* 等待一段时间 resolve。
*
* @public
* @param milliseconds 等待时间(毫秒)
* @param value resolve 值
* @example
* ```typescript
* wait(1000).then(() => {
* console.log('ok')
* }) // => 1秒后在控制台打印字符串: ok
* ```
*/
export function wait<T>(milliseconds: number, value?: T): WaitResult<T> {
let timer: any
const result = new Promise<T | undefined>(resolve => {
timer = setTimeout(() => resolve(value), milliseconds)
}) as WaitResult<T>
result.cancel = () => clearTimeout(timer)
return result
}
/**
* 等待一段时间后 reject。
*
* @public
* @param milliseconds 等待时间(毫秒)
* @param value reject 值
* @example
* ```typescript
* wait.reject(1000).catch(() => {
* console.log('ok')
* }) // => 1秒后在控制台打印字符串: ok
* ```
*/
wait.reject = function reject(
milliseconds: number,
value?: any,
): WaitResult<never> {
const waitRes = wait(milliseconds)
const res: WaitResult<never> = waitRes.then(() =>
Promise.reject(value),
) as any
res.cancel = waitRes.cancel
return res
}
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