Function equalLengthStringsMatch

packages/worker-utils/src/callback-token.ts:25–36

(expected: string, actual: string)

}

function equalLengthStringsMatch(expected: string, actual: string): boolean {
  if (expected.length !== actual.length) {
    return false;
  }

  let mismatch = 0;
  for (let index = 0; index < expected.length; index += 1) {
    mismatch |= expected.charCodeAt(index) ^ actual.charCodeAt(index);
  }

  return mismatch === 0;
}

function hasCallbackTokenSecret(secret: string | null | undefined): secret is string {
  return typeof secret === 'string' && secret.trim().length > 0;