@monstermann/fn/dist/array/firstOr.js

A utility library for TypeScript.

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

//#region src/array/firstOr.ts
/**
* `firstOr(array, fallback)`
*
* Returns the first element of `array`, or `fallback` if the array is empty.
*
* ```ts
* firstOr([1, 2, 3, 4], 0); // 1
* ```
*
* ```ts
* pipe([1, 2, 3, 4], firstOr(0)); // 1
* ```
*/
const firstOr = dfdlT((target, or) => {
	return target[0] ?? or;
}, 2);

//#endregion
export { firstOr };