/* Saving user data in localstorage when
    logged in and setting up null when logged out */
    this.afAuth.authState.subscribe(user => {
      if (user) {
        // console.log(user);
        this.userData = user;
        localStorage.setItem('user', JSON.stringify(this.userData));
        JSON.parse(localStorage.getItem('user'));
      } else {
        localStorage.setItem('user', null);
        JSON.parse(localStorage.getItem('user'));
      }
    });