<?php

namespace Acme\MultilangTextarea;

use Illuminate\Http\Request;
use Laravel\Nova\Fields\Field;

class MultilangTextarea extends Field
{
    /**
     * The field's component.
     *
     * @var string
     */
    public $component = 'multilang-textarea';

    public function languages(object $languages): MultilangTextarea
    {
        return $this->withMeta(['languages' => $languages]);
    }

    public function countries(object $countries): MultilangTextarea
    {
        return $this->withMeta(['countries' => $countries, 'tinyApiKey' => config('app.tiny_api_key')]);
    }

    public function uploadLink(string $uploadLink): MultilangTextarea
    {
        return $this->withMeta(['uploadLink' => $uploadLink]);
    }
//    public function tinyApiKey(string $uploadLink): MultilangTextarea
//    {
//        return config('app.tiny_api_key');
//    }

    /**
     * Fill the model's attribute with data.
     *
     * @param  \Illuminate\Database\Eloquent\Model|\Laravel\Nova\Support\Fluent  $model
     * @param  mixed $value
     * @param string $attribute
     * @return void
     */
    public function fillModelWithData($model, $value, string $attribute)
    {
//        dd($model, $value, $attribute);
//        $attributes = [Str::replace('.', '->', $attribute) => $value];
        $url = config('app.url');
        $attributes = [$attribute => str_replace('src=\"../../../storage', 'src=\"'.$url.'/storage', $value)];
//        $attributes = [$attribute => $value];

        $model->forceFill($attributes);
    }
}

• [F] FieldServiceProvider.php
  Delete
• [F] MultilangTextarea.php
  Delete