Function byteStringToDecString

packages/service-worker/worker/src/sha1.ts:179–189

(str: string)

// based on https://www.danvk.org/hex2dec.html (JS can not handle more than 56b)
function byteStringToDecString(str: string): string {
  let decimal = '';
  let toThePower = '1';

  for (let i = str.length - 1; i >= 0; i--) {
    decimal = addBigInt(decimal, numberTimesBigInt(byteAt(str, i), toThePower));
    toThePower = numberTimesBigInt(256, toThePower);
  }

  return decimal.split('').reverse().join('');
}

// x and y decimal, lowest significant digit first
function addBigInt(x: string, y: string): string {