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

A utility library for TypeScript.

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

//#region src/array/isShallowEqual.ts
/**
* `isShallowEqual(array, other)`
*
* Returns `true` if `array` and `other` have the same length and their elements are equal using shallow comparison, otherwise returns `false`.
*
* ```ts
* isShallowEqual([1, 2, 3], [1, 2, 3]); // true
* ```
*
* ```ts
* pipe([1, 2, 3], isShallowEqual([1, 2, 3])); // true
* ```
*/
const isShallowEqual = dfdlT((a, b) => {
	if (a === b || Object.is(a, b)) return true;
	const len = a.length;
	if (len !== b.length) return false;
	for (let i = 0; i < len; i++) if (a[i] !== b[i] || !Object.is(a[i], b[i])) return false;
	return true;
}, 2);

//#endregion
export { isShallowEqual };