Function uuidToULID

source/uuid.ts:39–50

(uuid: string)

 * @returns A ULID string
 */
export function uuidToULID(uuid: string): ULID {
    const isValid = UUID_REGEX.test(uuid);
    if (!isValid) {
        throw new ULIDError(ULIDErrorCode.UUIDInvalid, `Invalid UUID: ${uuid}`);
    }
    const bytes = uuid.replace(/-/g, "").match(/.{1,2}/g);
    if (!bytes) {
        throw new ULIDError(ULIDErrorCode.Unexpected, `Failed parsing UUID bytes: ${uuid}`);
    }
    const uint8Array = new Uint8Array(bytes.map(byte => parseInt(byte, 16)));
    return crockfordEncode(uint8Array);
}