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export function base64UrlEncode(bytes: Uint8Array): string {
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  let binary = "";
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  for (let i = 0; i < bytes.length; i++) {
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    binary += String.fromCharCode(bytes[i]);
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  }
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  return btoa(binary).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "");
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}
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export function base64UrlDecode(input: string): Uint8Array {
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  const padded = input.replace(/-/g, "+").replace(/_/g, "/") + "==".slice(0, (4 - (input.length % 4)) % 4);
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  const binary = atob(padded);
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  const bytes = new Uint8Array(binary.length);
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  for (let i = 0; i < binary.length; i++) {
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    bytes[i] = binary.charCodeAt(i);
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  }
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  return bytes;
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}