isNullOrEmptyArray

Checks whether the given value is null, undefined or empty array.

Import


import { isNullOrEmptyArray } from '@fullstacksjs/toolbox';

Signature


function isNullOrEmptyArray<T extends any[]>(arr: Nullable<T | []>): arr is Nullable<[]> {}

Examples


isNullOrEmptyArray(null)        // true
isNullOrEmptyArray(undefined)   // true
isNullOrEmptyArray([])          // true
isNullOrEmptyArray([0])         // false
isNullOrEmptyArray([,])         // false
isNullOrEmptyArray([null])      // false
isNullOrEmptyArray([undefined]) // false