<?php
namespace Livewire;
use Livewire\Testing\TestableLivewire;
use Illuminate\Contracts\Auth\Authenticatable;
use Livewire\Exceptions\ComponentNotFoundException;
class LivewireManager
{
protected $listeners = [];
protected $componentAliases = [];
protected $queryParamsForTesting = [];
public static $isLivewireRequestTestingOverride;
public function component($alias, $viewClass = null)
{
if (is_null($viewClass)) {
$viewClass = $alias;
$alias = $viewClass::getName();
}
$this->componentAliases[$alias] = $viewClass;
}
public function getAlias($class, $default = null)
{
$alias = array_search($class, $this->componentAliases);
return $alias === false ? $default : $alias;
}
public function getClass($alias)
{
$finder = app(LivewireComponentsFinder::class);
$class = false;
$class = $class ?: (
// Let's first check if the user registered the component using:
// Livewire::component('name', [Livewire component class]);
// If not, we'll look in the auto-discovery manifest.
$this->componentAliases[$alias] ?? $finder->find($alias)
);
$class = $class ?: (
// If none of the above worked, our last-ditch effort will be
// to re-generate the auto-discovery manifest and look again.
$finder->build()->find($alias)
);
throw_unless($class, new ComponentNotFoundException(
"Unable to find component: [{$alias}]"
));
return $class;
}
public function getInstance($component, $id)
{
$componentClass = $this->getClass($component);
throw_unless(class_exists($componentClass), new ComponentNotFoundException(
"Component [{$component}] class not found: [{$componentClass}]"
));
return new $componentClass($id);
}
public function mount($name, $params = [])
{
// This is if a user doesn't pass params, BUT passes key() as the second argument.
if (is_string($params)) $params = [];
$id = str()->random(20);
if (class_exists($name)) {
$name = $name::getName();
}
return LifecycleManager::fromInitialRequest($name, $id)
->initialHydrate()
->mount($params)
->renderToView()
->initialDehydrate()
->toInitialResponse();
}
public function dummyMount($id, $tagName)
{
return "<{$tagName} wire:id=\"{$id}\"></{$tagName}>";
}
public function test($name, $params = [])
{
return new TestableLivewire($name, $params, $this->queryParamsForTesting);
}
public function visit($browser, $class, $queryString = '')
{
$url = '/livewire-dusk/'.urlencode($class).$queryString;
return $browser->visit($url)->waitForLivewireToLoad();
}
public function actingAs(Authenticatable $user, $driver = null)
{
// This is a helper to be used during testing.
if (isset($user->wasRecentlyCreated) && $user->wasRecentlyCreated) {
$user->wasRecentlyCreated = false;
}
auth()->guard($driver)->setUser($user);
auth()->shouldUse($driver);
return $this;
}
public function styles($options = [])
{
$debug = config('app.debug');
$styles = $this->cssAssets();
// HTML Label.
$html = $debug ? ['<!-- Livewire Styles -->'] : [];
// CSS assets.
$html[] = $debug ? $styles : $this->minify($styles);
return implode("\n", $html);
}
public function scripts($options = [])
{
$debug = config('app.debug');
$scripts = $this->javaScriptAssets($options);
// HTML Label.
$html = $debug ? ['<!-- Livewire Scripts -->'] : [];
// JavaScript assets.
$html[] = $debug ? $scripts : $this->minify($scripts);
return implode("\n", $html);
}
protected function cssAssets()
{
return <<<HTML
<style>
[wire\:loading], [wire\:loading\.delay], [wire\:loading\.inline-block], [wire\:loading\.inline], [wire\:loading\.block], [wire\:loading\.flex], [wire\:loading\.table], [wire\:loading\.grid] {
display: none;
}
[wire\:offline] {
display: none;
}
[wire\:dirty]:not(textarea):not(input):not(select) {
display: none;
}
input:-webkit-autofill, select:-webkit-autofill, textarea:-webkit-autofill {
animation-duration: 50000s;
animation-name: livewireautofill;
}
@keyframes livewireautofill { from {} }
</style>
HTML;
}
protected function javaScriptAssets($options)
{
$jsonEncodedOptions = $options ? json_encode($options) : '';
$devTools = null;
if (config('app.debug')) {
$devTools = 'window.livewire.devTools(true);';
}
$appUrl = config('livewire.asset_url', rtrim($options['asset_url'] ?? '', '/'));
$csrf = csrf_token();
$manifest = json_decode(file_get_contents(__DIR__.'/../dist/manifest.json'), true);
$versionedFileName = $manifest['/livewire.js'];
// Default to dynamic `livewire.js` (served by a Laravel route).
$fullAssetPath = "{$appUrl}/livewire{$versionedFileName}";
$assetWarning = null;
$nonce = isset($options['nonce']) ? "nonce=\"{$options['nonce']}\"" : '';
// Use static assets if they have been published
if (file_exists(public_path('vendor/livewire/manifest.json'))) {
$publishedManifest = json_decode(file_get_contents(public_path('vendor/livewire/manifest.json')), true);
$versionedFileName = $publishedManifest['/livewire.js'];
$fullAssetPath = ($this->isOnVapor() ? config('app.asset_url') : $appUrl).'/vendor/livewire'.$versionedFileName;
if ($manifest !== $publishedManifest) {
$assetWarning = <<<'HTML'
<script {$nonce}>
console.warn("Livewire: The published Livewire assets are out of date\n See: https://laravel-livewire.com/docs/installation/")
</script>
HTML;
}
}
// Adding semicolons for this JavaScript is important,
// because it will be minified in production.
return <<<HTML
{$assetWarning}
<script src="{$fullAssetPath}" data-turbo-eval="false" data-turbolinks-eval="false"></script>
<script data-turbo-eval="false" data-turbolinks-eval="false"{$nonce}>
if (window.livewire) {
console.warn('Livewire: It looks like Livewire\'s @livewireScripts JavaScript assets have already been loaded. Make sure you aren\'t loading them twice.')
}
window.livewire = new Livewire({$jsonEncodedOptions});
{$devTools}
window.Livewire = window.livewire;
window.livewire_app_url = '{$appUrl}';
window.livewire_token = '{$csrf}';
/* Make sure Livewire loads first. */
if (window.Alpine) {
/* Defer showing the warning so it doesn't get buried under downstream errors. */
document.addEventListener("DOMContentLoaded", function () {
setTimeout(function() {
console.warn("Livewire: It looks like AlpineJS has already been loaded. Make sure Livewire\'s scripts are loaded before Alpine.\\n\\n Reference docs for more info: http://laravel-livewire.com/docs/alpine-js")
})
});
}
/* Make Alpine wait until Livewire is finished rendering to do its thing. */
window.deferLoadingAlpine = function (callback) {
window.addEventListener('livewire:load', function () {
callback();
});
};
document.addEventListener("DOMContentLoaded", function () {
window.livewire.start();
});
</script>
HTML;
}
protected function minify($subject)
{
return preg_replace('~(\v|\t|\s{2,})~m', '', $subject);
}
public function isLivewireRequest()
{
if (static::$isLivewireRequestTestingOverride) {
return true;
}
return request()->hasHeader('X-Livewire');
}
public function getRootElementTagName($dom)
{
preg_match('/<([a-zA-Z0-9\-]*)/', $dom, $matches, PREG_OFFSET_CAPTURE);
return $matches[1][0];
}
public function dispatch($event, ...$params)
{
foreach ($this->listeners[$event] ?? [] as $listener) {
$listener(...$params);
}
}
public function listen($event, $callback)
{
$this->listeners[$event][] = $callback;
}
public function isOnVapor()
{
return ($_ENV['SERVER_SOFTWARE'] ?? null) === 'vapor';
}
public function withQueryParams($queryParams)
{
$this->queryParamsForTesting = $queryParams;
return $this;
}
}