Function hexToBytes

src/test-utils.ts:161–170

(hex: string)

 * ```
 */
export function hexToBytes(hex: string) {
  const cleaned = hex.replace(/\s/g, "");
  const bytes = new Uint8Array(cleaned.length / 2);

  for (let i = 0; i < bytes.length; i++) {
    bytes[i] = Number.parseInt(cleaned.slice(i * 2, i * 2 + 2), 16);
  }

  return bytes;
}

/**
 * Check if bytes start with the PDF header signature.