IsEmptyTuple

Since 1.0.0

Check if a tuple is empty.

Signature

type IsEmptyTuple<T extends readonly unknown[]> = T extends readonly []
  ? true
  : false

Parameters

Parameter	Description
T	The tuple type

Examples

Basic Usage

import type { IsEmptyTuple } from 'uni-types'

type Empty = IsEmptyTuple<[]> // true
type NotEmpty = IsEmptyTuple<[1]> // false
type NotEmpty2 = IsEmptyTuple<[string, number]> // false

With Arrays

type ArrayCheck = IsEmptyTuple<string[]> // false

Related

• TupleLength - Get tuple length