toggleItem

Add an item to an array if it does not exist, otherwise remove it from the array

function toggleItem<T>(arr: Array<T>, item: T): T[];

Usage

import { toggleItem } from 'rattail'

const arr = [1, 2, 3, 4]
console.log(toggleItem(arr, 2)) // [1, 3, 4]
console.log(toggleItem(arr, 5)) // [1, 3, 4, 5]

Arguments

Arg	Description
arr	array
item	item to be toggled

Returns

The array after toggling the item