useArrayFindIndex

Category

Array

Export Size

96 B

Last Changed

5 days ago

Reactive Array.findIndex

Demo

Usage

Use with array of multiple refs

import { useArrayFindIndex } from '@reause/shared'
import { useState } from 'react'

const [item1, setItem1] = useState(0)
const [item2, setItem2] = useState(2)
const [item3, setItem3] = useState(4)
const [item4, setItem4] = useState(6)
const [item5, setItem5] = useState(8)
const list = [item1, item2, item3, item4, item5]
const result = useArrayFindIndex(list, i => i % 2 === 0) // 0

setItem1(1)
// result: 1 on the next render

Use with reactive array

import { useArrayFindIndex } from '@reause/shared'
import { useState } from 'react'

const [list, setList] = useState([0, 2, 4, 6, 8])
const result = useArrayFindIndex(list, i => i % 2 === 0) // 0

setList([-1, ...list])
// result: 1 on the next render

Type Declarations

export type UseArrayFindIndexReturn = number

export function useArrayFindIndex<T>(list: T[], fn: (element: T, index: number, array: T[]) => unknown): UseArrayFindIndexReturn

Source

Source · Demo · VueUse

Contributors

Changelog

v0.1.0 on

8fddc - chore!: remove all Vue-only Maybe* types and getter unions, adopt React Ref (#462)