usePrevious

utilities

test coverage

Last changed: 17 days ago

Hook that returns the previous value

import { usePrevious } from '@siberiacancode/reactuse';

Usage

const prevValue = usePrevious(value);

Demo

source

Api

Parameters

Name	Type	Default	Note
value	Value	-	The value to get the previous value
options.equality?	(a: Value, b: Value) => boolean	-	The custom equality function to determine if the value has changed

Returns

Value | undefined

Source

Source • Demo

Contributors

debabin

babin

hywax