// Copyright (c) 2020-2021 Drew Lemmy
// This file is part of KristWeb 2 under AGPL-3.0.
// Full details: https://github.com/tmpim/KristWeb2/blob/master/LICENSE.txt
export const toHex = (input: ArrayBufferLike | Uint8Array): string =>
  [...(input instanceof Uint8Array ? input : new Uint8Array(input))]
    .map(b => b.toString(16).padStart(2, "0"))
    .join("");

export const fromHex = (input: string): Uint8Array =>
  new Uint8Array((input.match(/.{1,2}/g) || []).map(b => parseInt(b, 16)));

export const mod = (n: number, m: number): number => ((n % m) + m) % m;