Usage

isNumber(0); // => true
isNumber("0"); // => false
isNumber(NaN); // => false

Installation

CLI

npx atmx add helper is-number

Manually

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

/**
* Return true if the given value is a number.
*
* @example
* isNumber(0) // => true
* isNumber('0') // => false
* isNumber(NaN) // => false
*/
export function isNumber(value: unknown): value is number {
return typeof value === "number" && !Number.isNaN(value);
}