takeLastWhile

function

function takeLastWhile<T>(iterable: Iterable<T>, predicate: (el: T, index: number) => boolean): T[]

Returns all elements in the given iterable after the last element that does not match the given predicate.

iterable: Iterable<T>

The iterable to take elements from.

predicate: (el: T, index: number) => boolean

The predicate function to determine if an element should be included. The function receives the element and its index.

Returns

An array containing all elements after the last element that does not match the predicate.

import { takeLastWhile } from "@ende/collections/take-last-while";
import { assertEquals } from "@ende/assert";

const numbers = [1, 2, 3, 4, 5, 6];
const result = takeLastWhile(numbers, (number) => number > 4);
assertEquals(result, [5, 6]);

import { takeLastWhile } from "@ende/collections/take-last-while";
import { assertEquals } from "@ende/assert";

const array = [20, 30, 20];
const result = takeLastWhile(array, (_, index) => index > 0);

assertEquals(result, [30, 20]);