xshop/app/Http/Resources/ProductResource.php

<?php

namespace App\Http\Resources;

use App\Models\Product;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class ProductResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        /**
         * @var $this Product
         */
        $request->merge([
            'loadProduct' => false
        ]);
        return [
            'id' => $this->id,
            'slug' => $this->slug,
            'description' => $this->description,
            'table' => $this->table,
            'sku' => $this->sku,
            'virtual' => $this->virtual,
            'downloadable' => $this->downloadable,
            'price' => $this->price,
            'buy_price' => $this->buy_price,
            'average_rating' => $this->average_rating,
            'view' => $this->view,
            'category' => $this->when($request->input('loadCategory', true), new CategoryResource($this->category))
        ];
    }
}