23 lines
711 B
TypeScript
23 lines
711 B
TypeScript
|
import { useEffect, useState } from 'react'
|
||
|
|
|
||
|
|
// modified from https://usehooks.com/useDebounce/
|
||
|
|
export default function useDebounce<T>(value: T, delay: number): T {
|
||
|
|
const [debouncedValue, setDebouncedValue] = useState<T>(value)
|
||
|
|
|
||
|
|
useEffect(() => {
|
||
|
|
// Update debounced value after delay
|
||
|
|
const handler = setTimeout(() => {
|
||
|
|
setDebouncedValue(value)
|
||
|
|
}, delay)
|
||
|
|
|
||
|
|
// Cancel the timeout if value changes (also on delay change or unmount)
|
||
|
|
// This is how we prevent debounced value from updating if value is changed ...
|
||
|
|
// .. within the delay period. Timeout gets cleared and restarted.
|
||
|
|
return () => {
|
||
|
|
clearTimeout(handler)
|
||
|
|
}
|
||
|
|
}, [value, delay])
|
||
|
|
|
||
|
|
return debouncedValue
|
||
|
|
}
|