@monstermann/fn/dist/number/isNumber.js

A utility library for TypeScript.

import { dfdlT } from "@monstermann/dfdl";

//#region src/number/isNumber.ts
/**
* `isNumber(target)`
*
* Returns `true` if `target` is a number, otherwise `false`. This function acts as a type guard.
*
* ```ts
* isNumber(42); // true
* isNumber(3.14); // true
* isNumber(NaN); // true
* isNumber(Infinity); // true
* isNumber("123"); // false
* isNumber(null); // false
* ```
*
* ```ts
* pipe(42, isNumber()); // true
* pipe(3.14, isNumber()); // true
* pipe(NaN, isNumber()); // true
* pipe(Infinity, isNumber()); // true
* pipe("123", isNumber()); // false
* pipe(null, isNumber()); // false
* ```
*/
const isNumber = dfdlT((target) => {
	return typeof target === "number";
}, 1);

//#endregion
export { isNumber };