A simple Laravel Livewire trait to include rules and messages from a Laravel FormRequest Class. Simply use this trait and define a protected property useFormRequest as a reference to the FormRequest class you wish to use. This can be used to share validation logic between livewire components and traditonal Laravel controllers, for example when u…

ExampleUsage.php

<?php

namespace App\Http\Livewire;

use Livewire\Component;
use App\Http\Livewire\Concerns\FormRequest;

class ExampleUsage extends Component
{
    use FormRequest;

    protected $useFormRequest = \App\Http\Requests\TestRequest::class;
}

FormRequest.php

<?php

namespace App\Http\Livewire\Concerns;

use Livewire\Exceptions\PropertyNotFoundException;

trait FormRequest
{
    protected function rules()
    {
        if (!isset($this->useFormRequest)) {
            throw new PropertyNotFoundException('useFormRequest', get_class());
        }

        return (new $this->useFormRequest)->rules();
    }

    protected function messages()
    {
        if (!isset($this->useFormRequest)) {
            throw new PropertyNotFoundException('useFormRequest', get_class());
        }

        return (new $this->useFormRequest)->messages();
    }
}