Usage

isBoolean(true); // => true
isBoolean("hello"); // => false

Installation

CLI

npx atmx add helper is-boolean

Manually

Copy and paste the following method into @/utils/helpers/undefined.ts:

/**
* Determines if the value is a boolean.
*
* @param value - The value to check.
* @returns `true` if the value is a boolean, `false` otherwise.
* @example
* isBoolean(true) // => true
* isBoolean('hello') // => false
*/
export function isBoolean(value: unknown): value is boolean {
return typeof value === "boolean";
}