<?php
namespace Laravel\Prompts\Concerns;
use Closure;
trait Events
{
/**
* The registered event listeners.
*
* @var array<string, array<int, Closure>>
*/
protected array $listeners = [];
/**
* Register an event listener.
*/
public function on(string $event, Closure $callback): void
{
$this->listeners[$event][] = $callback;
}
/**
* Emit an event.
*/
public function emit(string $event, mixed ...$data): void
{
foreach ($this->listeners[$event] ?? [] as $listener) {
$listener(...$data);
}
}
/**
* Clean the event listeners.
*/
public function clearListeners(): void
{
$this->listeners = [];
}
}