useDebounce
intermediateUpdated November 1, 2023
[REACT][PERFORMANCE]
A custom hook that delays updating a value until after a specified delay time has elapsed. Essential for optimizing performance-heavy search inputs or window resizing events.
import { useState, useEffect } from 'react'
export function useDebounce<T>(value: T, delay: number): T {
const [debouncedValue, setDebouncedValue] = useState<T>(value)
useEffect(() => {
const handler = setTimeout(() => {
setDebouncedValue(value)
}, delay)
return () => {
clearTimeout(handler)
}
}, [value, delay])
return debouncedValue
}Props API Interface
| Property | Type | Description |
|---|---|---|
value | T | The value to debounce |
delay | number | Delay in ms |