deno.land / std@0.166.0 / collections / drop_last_while.ts

drop_last_while.ts
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** * Returns a new array that drops all elements in the given collection until the * last element that does not match the given predicate * * Example: * ```ts * import { dropLastWhile } from "https://deno.land/std@$STD_VERSION/collections/drop_last_while.ts"; * import { assertEquals } from "https://deno.land/std@$STD_VERSION/testing/asserts.ts"; * * const numbers = [22, 30, 44]; * * const notFortyFour = dropLastWhile(numbers, i => i != 44); * * assertEquals( * notFortyFour, * [22, 30] * ); * ``` */export function dropLastWhile<T>( array: readonly T[], predicate: (el: T) => boolean,): T[] { let offset = array.length; while (0 < offset && predicate(array[offset - 1])) offset--;
return array.slice(0, offset);}
std
Deno standard library
GitHub Repositorydenoland/deno_std
GitHub Stars
2458

Version Info

Tagged at
2 months ago