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

A utility library for TypeScript.

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

//#region src/array/randomOr.ts
/**
* `randomOr(array, fallback)`
*
* Returns a random element from `array`, or `fallback` if the array is empty.
*
* ```ts
* randomOr([1, 2, 3, 4], 0); // 2 (random)
* ```
*
* ```ts
* pipe([1, 2, 3, 4], randomOr(0)); // 2 (random)
* ```
*/
const randomOr = dfdlT((target, or) => {
	if (target.length === 0) return or;
	const idx = Math.floor(Math.random() * target.length);
	return target[idx];
}, 2);

//#endregion
export { randomOr };