Validación de los campos por el request

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

use Illuminate\Validation\Rule;

class UpdateRequestUser extends FormRequest

{

    /**

     * Determine if the user is authorized to make this request.

     */

    public function authorize(): bool

    {

        return true;

    }

    /**

     * Get the validation rules that apply to the request.

     *

     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>

     */

    public function rules(): array

    {

        $id = $this->route('id');

        return [

            'name' => 'required|string|max:255',

            'username' => ['required', 'string', 'max:255', Rule::unique('users')->ignore($id)],

            'password' => 'nullable|string|min:8|confirmed',

            'dependencia_id' => 'required|exists:dependencias,id',

            'role' => 'required|exists:roles,name',

        ];

    }

}