Contact.ts

/*
 * Class mapped to the the contacts table in db.ts by the line:
 * db.contacts.mapToClass(Contact)
 */
export class Contact extends AbstractEntity {
  emails: EmailAddress[]
  phones: PhoneNumber[]

  constructor(
    public firstName: string,
    public lastName: string,
    gid?: string
  ) {
    super(gid)
    // Define navigation properties.
    // Making them non-enumerable will prevent them from being handled by indexedDB
    // when doing put() or add().
    Object.defineProperties(this, {
      emails: { value: [], enumerable: false, writable: true },
      phones: { value: [], enumerable: false, writable: true }
    });
  }
}