php-kilo/src/Event.php

47 lines
1.0 KiB
PHP

<?php declare(strict_types=1);
namespace Aviat\Kilo;
use Aviat\Kilo\Enum\Event as EventEnum;
class Event {
private static $subscribeMap = [];
public static function fire(string $eventName, $value): void
{
static::validateEvent($eventName);
if (array_key_exists($eventName, static::$subscribeMap))
{
foreach (static::$subscribeMap[$eventName] as $fn)
{
$fn($value);
}
}
}
public static function bind(string $eventName, callable $fn): void
{
static::validateEvent($eventName);
if ( ! array_key_exists($eventName, static::$subscribeMap))
{
static::$subscribeMap[$eventName] = [];
}
if ( ! in_array($fn, static::$subscribeMap[$eventName], TRUE))
{
static::$subscribeMap[$eventName][] = $fn;
}
}
private static function validateEvent(string $eventName): void
{
$validEvents = EventEnum::getConstList();
if ( ! array_key_exists($eventName, $validEvents))
{
throw new \InvalidArgumentException("Invalid event '{$eventName}'. Event const must exist in Aviat\\Kilo\\Enum\\Event.");
}
}
}