Viewing file:  ComponentHookRegistry.php (3.49 KB) -rw-r--r--
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<?php
namespace Livewire;
use WeakMap;
use Livewire\Drawer\Utils;
class ComponentHookRegistry
{
protected static $components;
protected static $componentHooks = [];
static function register($hook)
{
if (method_exists($hook, 'provide')) $hook::provide();
if (in_array($hook, static::$componentHooks)) return;
static::$componentHooks[] = $hook;
}
static function getHook($component, $hook)
{
if (! isset(static::$components[$component])) return;
$componentHooks = static::$components[$component];
foreach ($componentHooks as $componentHook) {
if ($componentHook instanceof $hook) return $componentHook;
}
}
static function boot()
{
static::$components = new WeakMap;
foreach (static::$componentHooks as $hook) {
on('mount', function ($component, $params, $key, $parent) use ($hook) {
if (! $hook = static::initializeHook($hook, $component)) {
return;
}
$hook->callBoot();
$hook->callMount($params, $parent);
});
on('hydrate', function ($component, $memo) use ($hook) {
if (! $hook = static::initializeHook($hook, $component)) {
return;
}
$hook->callBoot();
$hook->callHydrate($memo);
});
}
on('update', function ($component, $fullPath, $newValue) {
$propertyName = Utils::beforeFirstDot($fullPath);
return static::proxyCallToHooks($component, 'callUpdate')($propertyName, $fullPath, $newValue);
});
on('call', function ($component, $method, $params, $addEffect, $earlyReturn) {
return static::proxyCallToHooks($component, 'callCall')($method, $params, $earlyReturn);
});
on('render', function ($component, $view, $data) {
return static::proxyCallToHooks($component, 'callRender')($view, $data);
});
on('dehydrate', function ($component, $context) {
static::proxyCallToHooks($component, 'callDehydrate')($context);
});
on('destroy', function ($component, $context) {
static::proxyCallToHooks($component, 'callDestroy')($context);
});
on('exception', function ($target, $e, $stopPropagation) {
if ($target instanceof \Livewire\Component) {
static::proxyCallToHooks($target, 'callException')($e, $stopPropagation);
}
});
}
static public function initializeHook($hook, $target)
{
if (! isset(static::$components[$target])) static::$components[$target] = [];
$hook = new $hook;
$hook->setComponent($target);
// If no `skip` method has been implemented, then boot the hook anyway
if (method_exists($hook, 'skip') && $hook->skip()) {
return;
}
static::$components[$target][] = $hook;
return $hook;
}
static function proxyCallToHooks($target, $method) {
return function (...$params) use ($target, $method) {
$callbacks = [];
foreach (static::$components[$target] ?? [] as $hook) {
$callbacks[] = $hook->{$method}(...$params);
}
return function (...$forwards) use ($callbacks) {
foreach ($callbacks as $callback) {
$callback(...$forwards);
}
};
};
}
}
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