std/collections/mod.ts

Deno standard library
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function dropLastWhile
import { dropLastWhile } from "https://deno.land/std@0.145.0/collections/mod.ts?s=dropLastWhile";

Returns a new array that drops all elements in the given collection until the last element that does not match the given predicate

Example:

import { dropLastWhile } from "https://deno.land/std@0.145.0/collections/drop_last_while.ts";
import { assertEquals } from "https://deno.land/std@0.145.0/testing/asserts.ts";

const numbers = [22, 30, 44];

const notFortyFour = dropLastWhile(numbers, i => i != 44);

assertEquals(
  notFortyFour,
  [22, 30]
);

Parameters

array: readonly T[][src]
predicate: (el: T) => boolean[src]