file/app/Http/Resources/FileResource.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class FileResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array|\Illuminate\Contracts\Support\Arrayable|\JsonSerializable
     */
    public function toArray($request)
    {
        return [
            "uuid" => $this->uuid,
            "original_name" => $this->original_name,
            "ext" => $this->ext,
            "mimetype" => $this->mimetype,
            "width" => $this->width,
            "height" => $this->height,
            "file_size" => $this->file_size,
            "sort" => $this->sort,
            "alts" => $this->alts,
            "description" => $this->description,
            "user_id" => $this->user_id,
            "ip" => $this->ip,
            "collection_id" => $this->collection_id,
            "published_at" => $this->published_at,
            "created_at" => $this->created_at,
            "updated_at" => $this->updated_at,
            "deleted_at" => $this->deleted_at,
        ];
    }
}