Register Dashboard Menu in Nova

NovaServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Gate;
use Laravel\Nova\Nova;
use Laravel\Nova\NovaApplicationServiceProvider;

class NovaServiceProvider extends NovaApplicationServiceProvider
{
    /**
     * Bootstrap any application services.
     */
    public function boot()
    {
        parent::boot();

        Nova::serving(function () {
            $tools = collect(Nova::$tools);

            $resource = $tools->pull(1);

            $tools->push($resource);

            Nova::$tools = $tools->all();
        });
    }

    /**
     * Get the tools that should be listed in the Nova sidebar.
     *
     * @return array
     */
    public function tools()
    {
        return [];
    }

    /**
     * Register any application services.
     */
    public function register()
    {
    }

    /**
     * Register the Nova routes.
     */
    protected function routes()
    {
        Nova::routes()
            ->withAuthenticationRoutes()
            ->withPasswordResetRoutes()
            ->register();
    }

    /**
     * Register the Nova gate.
     *
     * This gate determines who can access Nova in non-local environments.
     */
    protected function gate()
    {
        Gate::define('viewNova', function ($user) {
            return in_array($user->email, \App\User::all()->pluck('email')->toArray());
        });
    }

    /**
     * Get the cards that should be displayed on the Nova dashboard.
     *
     * @return array
     */
    protected function cards()
    {
        return [
            (new \NasrulHazim\DashboardMenu\DashboardMenu)->canSee(function ($request) {
                return true;
            })->getMenus(),
        ];
    }

    /**
     * Get the extra dashboards that should be displayed on the Nova dashboard.
     *
     * @return array
     */
    protected function dashboards()
    {
        return [];
    }
}