find

Finds the first or last element in an array that meets a specified condition, returning the element and its index.

Usage

import { find } from 'rattail'

find(['a', 'b', 'c'], (item) => item === 'a')
// return ['a', 0]
find(['a', 'b', 'a'], (item) => item === 'a', 'end')
// return ['a', 2]

Arguments

Arg	Type	Defaults
arr	Array
fn	(item: any, index: number, array: Array) => boolean
from	'start' | 'end'	'start'

Return

Type
[any, number] | [null, -1]