1
export const encodeBase64Url = (bytes: Uint8Array): string => {
2
  let binary = "";
3
  for (let i = 0; i < bytes.length; i += 1) {
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    binary += String.fromCharCode(bytes[i]);
5
  }
6
  return btoa(binary).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "");
7
};
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9
export const sha256 = async (input: string): Promise<string> => {
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  const digest = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(input));
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  return encodeBase64Url(new Uint8Array(digest));
12
};