foreign/node/src/wire/serialize.utils.ts

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//   http://www.apache.org/licenses/LICENSE-2.0
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/**
 * Converts a microsecond timestamp (BigInt) to a JavaScript Date object.
 *
 * @param n - Timestamp in microseconds as BigInt
 * @returns JavaScript Date object
 */
export const toDate = (n: bigint): Date => new Date(Number(n / BigInt(1000)));

/**
 * Serializes a UUID string to a 16-byte Buffer.
 * Removes dashes from the UUID and converts to binary format.
 *
 * @param id - UUID string (e.g., "550e8400-e29b-41d4-a716-446655440000")
 * @returns 16-byte Buffer containing the UUID
 */
export const serializeUUID = (id: string) => Buffer.from(id.replaceAll('-', ''), 'hex');

/**
 * Deserializes a 16-byte Buffer to a UUID string.
 * Converts binary format to standard UUID string with dashes.
 *
 * @param p - 16-byte Buffer containing the UUID
 * @returns UUID string (e.g., "550e8400-e29b-41d4-a716-446655440000")
 */
export const deserializeUUID = (p: Buffer) => {
  const v = p.toString('hex');
  return `${v.slice(0, 8)}-` +
    `${v.slice(8, 12)}-${v.slice(12, 16)}-${v.slice(16, 20)}-` +
    `${v.slice(20, 32)}`;
};