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

A utility library for TypeScript.

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

//#region src/array/removeLast.ts
/**
* `removeLast(target, value)`
*
* Removes the last occurrence of `value` from `target` array. If the value is not found, returns the original array unchanged.
*
* ```ts
* removeLast([1, 2, 3, 2], 2); // [1, 2, 3]
* ```
*
* ```ts
* pipe([1, 2, 3, 2], removeLast(2)); // [1, 2, 3]
* ```
*/
const removeLast = dfdlT((target, value) => {
	const idx = target.lastIndexOf(value);
	if (idx < 0) return target;
	const result = cloneArray(target);
	result.splice(idx, 1);
	return result;
}, 2);

//#endregion
export { removeLast };