VueUseuseArrayFindLast
Reactive Array.findLast.
Usage
js
import { useArrayFindLast } from '@vueuse/core'
const list = [ref(1), ref(-1), ref(2)]
const positive = useArrayFindLast(list, val => val > 0)
// positive.value: 2
import { useArrayFindLast } from '@vueuse/core'
const list = [ref(1), ref(-1), ref(2)]
const positive = useArrayFindLast(list, val => val > 0)
// positive.value: 2
Use with reactive array
js
import { useArrayFindLast } from '@vueuse/core'
const list = reactive([-1, -2])
const positive = useArrayFindLast(list, val => val > 0)
// positive.value: undefined
list.push(10)
// positive.value: 10
list.push(5)
// positive.value: 5
import { useArrayFindLast } from '@vueuse/core'
const list = reactive([-1, -2])
const positive = useArrayFindLast(list, val => val > 0)
// positive.value: undefined
list.push(10)
// positive.value: 10
list.push(5)
// positive.value: 5
Type Declarations
typescript
/**
* Reactive `Array.findLast`
*
* @see https://vueuse.org/useArrayFindLast
* @param {Array} list - the array was called upon.
* @param fn - a function to test each element.
*
* @returns the last element in the array that satisfies the provided testing function. Otherwise, undefined is returned.
*/
export declare function useArrayFindLast<T>(
list: MaybeComputedRef<MaybeComputedRef<T>[]>,
fn: (element: T, index: number, array: MaybeComputedRef<T>[]) => boolean
): ComputedRef<T | undefined>
/**
* Reactive `Array.findLast`
*
* @see https://vueuse.org/useArrayFindLast
* @param {Array} list - the array was called upon.
* @param fn - a function to test each element.
*
* @returns the last element in the array that satisfies the provided testing function. Otherwise, undefined is returned.
*/
export declare function useArrayFindLast<T>(
list: MaybeComputedRef<MaybeComputedRef<T>[]>,
fn: (element: T, index: number, array: MaybeComputedRef<T>[]) => boolean
): ComputedRef<T | undefined>