1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** * Returns the first element having the largest value according to the provided * comparator or undefined if there are no elements. * * The comparator is expected to work exactly like one passed to `Array.sort`, * which means that `comparator(a, b)` should return a negative number if `a < b`, * a positive number if `a > b` and `0` if `a === b`. * * @example * ```ts * import { maxWith } from "https://deno.land/std@$STD_VERSION/collections/max_with.ts"; * import { assertEquals } from "https://deno.land/std@$STD_VERSION/assert/assert_equals.ts"; * * const people = ["Kim", "Anna", "John", "Arthur"]; * const largestName = maxWith(people, (a, b) => a.length - b.length); * * assertEquals(largestName, "Arthur"); * ``` */export function maxWith<T>(  array: Iterable<T>,  comparator: (a: T, b: T) => number,): T | undefined {  let max: T | undefined = undefined;  let isFirst = true;
  for (const current of array) {    if (isFirst || comparator(current, <T> max) > 0) {      max = current;      isFirst = false;    }  }
  return max;}