isBoolean

The isBoolean function checks if a value is a boolean.

Signature

function isBoolean(val: any): val is boolean

Parameters

• val: unknown - The value to check.

Returns

• boolean - Returns true if the value is boolean, otherwise false.

Examples

import { isBoolean } from 'js-utils-es/predicate';

isBoolean(1); // false
isBoolean(true); // true

Source

Source • Docs • Test Case

Contributors

Hung Hoang

Changelog

v1.0.8 on 7/17/2024

3a88b - feat(predicate): add is utils