wticreatorstudio/Modules/RolePermission/Http/Requests/RoleFormRequest.php

<?php

namespace Modules\RolePermission\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class RoleFormRequest extends FormRequest
{
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            "name" => [
                'required',
                Rule::unique('roles', 'name')->ignore($this->id)
            ]
        ];
    }

    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }
}