<?php

namespace App\Providers;

use Illuminate\Support\Facades\Cookie;

use Illuminate\Support\Facades\View;

use Illuminate\Support\ServiceProvider;

class ViewServiceProvider extends ServiceProvider

{

    /**

     * Register services.

     */

    public function register(): void

    {

        //

    }

    /**

     * Bootstrap services.

     */

    public function boot(): void

    {

        //

        $cart = json_decode(Cookie::get('cart'), true) ?? ["abcs"];

        View::share('cartItemsCookie', $cart);

    }

}

public function index(Request $request)

{

    $cartItems = json_decode($request->cookie('cart'), true) ?? [];

    return view('cart.index', compact('cartItems'));

}

class ShareCartData

{

    public function handle($request, Closure $next)

    {

        $cart = json_decode($request->cookie('cart'), true) ?? [];

        View::share('cartItemsCookie', $cart);

        return $next($request);

    }

}

protected $middlewareGroups = [

    'web' => [

        // ...

        \App\Http\Middleware\ShareCartData::class,

    ],

    // ...

];