Function wordAt

packages/service-worker/cli/sha1.ts:143–155

(str: string | Uint8Array, index: number, endian: Endian)

}

function wordAt(str: string | Uint8Array, index: number, endian: Endian): number {
  let word = 0;
  if (endian === Endian.Big) {
    for (let i = 0; i < 4; i++) {
      word += byteAt(str, index + i) << (24 - 8 * i);
    }
  } else {
    for (let i = 0; i < 4; i++) {
      word += byteAt(str, index + i) << (8 * i);
    }
  }
  return word;
}

function words32ToByteString(words32: number[]): string {
  return words32.reduce((str, word) => str + word32ToByteString(word), '');