Function debounce

debounce<T extends (...args: unknown[]) => unknown>(
fn: T,
delay: number,
): (...args: Parameters<T>) => void
防抖函数——在最后一次调用后等待 delay 毫秒才执行每次新调用都会重置计时器
Type Parameters
- T extends (...args: unknown[]) => unknown
Parameters
- fn: T
  待防抖的原始函数
- delay: number
  防抖等待毫秒数
Returns (...args: Parameters<T>) => void
经过防抖封装的函数，与 fn 具有相同入参
Example
```
const handleInput = debounce((e) => search(e.target.value), 300)
```
- Defined in async.ts:28