IsAny

Since 1.0.0

Check if a type is any.

Signature

type IsAny<T> = 0 extends 1 & T ? true : false

Parameters

Parameter	Description
T	The type to check

Returns

Returns true if T is any, false otherwise.

Examples

Basic Usage

import type { IsAny } from 'uni-types'

type Check1 = IsAny<any> // true

Non-Any Types

type Check2 = IsAny<string> // false
type Check3 = IsAny<unknown> // false
type Check4 = IsAny<never> // false
type Check5 = IsAny<{}> // false

Usage in Conditional Types

import type { IsAny } from 'uni-types'

// Prevent any from being passed
type Safe<T> = IsAny<T> extends true ? never : T

type Test1 = Safe<string> // string
type Test2 = Safe<any> // never

Related

• IsUnknown - Check if type is unknown
• IsNever - Check if type is never
• IsEqual - Check if types are equal