jobifygarden/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\View;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    public function register(): void
    {
        //
    }

    public function boot(): void
    {
        View::composer('components.job-card', function ($view) {
            static $bookmarkedIds = null;

            if ($bookmarkedIds === null) {
                $bookmarkedIds = Auth::check()
                    ? Auth::user()->savedJobs()->pluck('job_id')->flip()
                    : collect();
            }

            $job = $view->getData()['job'];
            $view->with('bookmarked', $bookmarkedIds->has($job->id));
        });
    }
}