gistfile1.txt

class User {
  constructor({ isActive, role, isSuspended } = {}) {
    this.isActive = isActive;
    this.role = role;
    this.role = role;
    this.isSuspended = isSuspended;
  }

  canAccessAdmin() {
    return this.isActive && this.role === "admin" && !this.isSuspended;
  }

  grantAccess() {
    if (!this.canAccessAdmin()) {
      throw new Error("User is not permitted to access admin features");
    }

    // perform the access-granting work here
  }
}

// usage
try {
  user.grantAccess();
} catch (err) {
  // handle / log / show error
}