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
40
41
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.import { copy } from "./copy.ts";
/** * Returns a new byte slice composed of `count` repetitions of the `source` * array. * * @param source Source array to repeat. * @param count Number of times to repeat the source array. * @returns A new byte slice composed of `count` repetitions of the `source` * array. * * @example Basic usage * ```ts * import { repeat } from "https://deno.land/std@$STD_VERSION/bytes/repeat.ts"; * * const source = new Uint8Array([0, 1, 2]); * * repeat(source, 3); // Uint8Array(9) [0, 1, 2, 0, 1, 2, 0, 1, 2] * * repeat(source, 0); // Uint8Array(0) [] * * repeat(source, -1); // Throws `RangeError` * ``` */export function repeat(source: Uint8Array, count: number): Uint8Array {  if (count < 0 || !Number.isInteger(count)) {    throw new RangeError("Count must be a non-negative integer");  }
  const repeated = new Uint8Array(source.length * count);  let offset = 0;
  while (offset < repeated.length) {    offset += copy(source, repeated, offset);  }
  return repeated;}