GK-Content-Management/app/Components/Permission/Form.php

<?php
namespace App\Components\Permission;

use Livewire\Component;
use Spatie\Permission\Models\Permission;

class Form extends Component
{
    public $permissionId;
    public $name;

    protected function rules()
    {
        return [
            'name' => 'required|string|unique:permissions,name' .
                ($this->permissionId ? ",{$this->permissionId}" : ''),
        ];
    }

    public function mount($permissionId = null)
    {
        $this->permissionId = $permissionId;
        if ($permissionId) {
            $perm = Permission::findOrFail($permissionId);
            $this->name = $perm->name;
        }
    }

    public function save()
    {
        $this->validate();
        Permission::updateOrCreate(
            ['id' => $this->permissionId],
            ['name' => $this->name]
        );
        session()->flash('message', 'Permission saved.');
        $this->emitUp('permissionSaved');
    }

    public function render()
    {
        return view('components.permission.form');
    }
}