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performance(frontend): Preload FontAwesome, JS and CSS (#3057)
* Add preloads support to Document class
* Add frontend extender for asset preloading
* Provide default preloads for FontAwesome
* Add tests for preload extender and default preloads
* Apply fixes from StyleCI
[ci skip] [skip ci]
* Fix typo
* Fix two more typos 🙃
* Preload core JS and CSS
* Apply fixes from StyleCI
[ci skip] [skip ci]
* Reorder preloads
* Remove singular preloads method
* Use filesystem disk driver for getting FA font paths
* Update test to use full URL
* Apply fixes from StyleCI
[ci skip] [skip ci]
* Address review comment
* Apply fixes from StyleCI
[ci skip] [skip ci]
* Fix typo
* Apply fixes from StyleCI
[ci skip] [skip ci]
* Correct callback wrapping
* Update src/Extend/Frontend.php
Co-authored-by: Sami Mazouz <sychocouldy@gmail.com>
* Update src/Extend/Frontend.php
Co-authored-by: Sami Mazouz <sychocouldy@gmail.com>
* Update src/Extend/Frontend.php
* Fix preload extender logic
* Convert base FontAwesome preloads into a Singleton
* Apply fixes from StyleCI
[ci skip] [skip ci]
Co-authored-by: luceos <luceos@users.noreply.github.com>
Co-authored-by: Sami Mazouz <sychocouldy@gmail.com>
Co-authored-by: Alexander Skvortsov <38059171+askvortsov1@users.noreply.github.com>
Co-authored-by: Alexander Skvortsov <sasha.skvortsov109@gmail.com>
This commit is contained in:
David Wheatley
GitHub
parent
1637b90531
commit
88724bb4cb
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@ -16,6 +16,7 @@ use Flarum\Foundation\ContainerUtil;
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use Flarum\Foundation\Event\ClearingCache;
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use Flarum\Frontend\Assets;
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use Flarum\Frontend\Compiler\Source\SourceCollector;
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use Flarum\Frontend\Document;
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use Flarum\Frontend\Frontend as ActualFrontend;
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use Flarum\Frontend\RecompileFrontendAssets;
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use Flarum\Http\RouteCollection;
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@ -33,6 +34,7 @@ class Frontend implements ExtenderInterface
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private $routes = [];
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private $removedRoutes = [];
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private $content = [];
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private $preloadArrs = [];
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/**
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* @param string $frontend: The name of the frontend.
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@ -124,11 +126,45 @@ class Frontend implements ExtenderInterface
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return $this;
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}
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/**
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* Adds multiple asset preloads.
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*
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* The parameter should be an array of preload arrays, or a callable that returns this.
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*
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* A preload array must contain keys that pertain to the `<link rel="preload">` tag.
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*
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* For example, the following will add preload tags for a script and font file:
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* ```
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* $frontend->preloads([
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* [
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* 'href' => '/assets/my-script.js',
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* 'as' => 'script',
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* ],
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* [
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* 'href' => '/assets/fonts/my-font.woff2',
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* 'as' => 'font',
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* 'type' => 'font/woff2',
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* 'crossorigin' => ''
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* ]
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* ]);
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* ```
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*
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* @param callable|array $preloads
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* @return self
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*/
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public function preloads($preloads): self
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{
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$this->preloadArrs[] = $preloads;
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return $this;
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}
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public function extend(Container $container, Extension $extension = null)
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{
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$this->registerAssets($container, $this->getModuleName($extension));
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$this->registerRoutes($container);
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$this->registerContent($container);
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$this->registerPreloads($container);
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}
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private function registerAssets(Container $container, string $moduleName): void
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@ -236,6 +272,25 @@ class Frontend implements ExtenderInterface
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);
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}
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private function registerPreloads(Container $container): void
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{
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if (empty($this->preloadArrs)) {
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return;
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}
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$container->resolving(
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"flarum.frontend.$this->frontend",
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function (ActualFrontend $frontend, Container $container) {
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$frontend->content(function (Document $document) use ($container) {
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foreach ($this->preloadArrs as $preloadArr) {
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$preloads = is_callable($preloadArr) ? ContainerUtil::wrapCallback($preloadArr, $container)($document) : $preloadArr;
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$document->preloads = array_merge($document->preloads, $preloads);
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}
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});
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}
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);
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}
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private function getModuleName(?Extension $extension): string
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{
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return $extension ? $extension->getId() : 'site-custom';
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@ -122,6 +122,28 @@ class Document implements Renderable
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*/
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public $css = [];
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/**
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* An array of preloaded assets.
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*
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* Each array item should be an array containing keys that pertain to the
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* `<link rel="preload">` tag.
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*
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* For example, the following will add a preload tag for a FontAwesome font file:
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* ```
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* $this->preloads[] = [
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* 'href' => '/assets/fonts/fa-solid-900.woff2',
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* 'as' => 'font',
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* 'type' => 'font/woff2',
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* 'crossorigin' => ''
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* ];
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* ```
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*
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* @see https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/preload
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*
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* @var array
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*/
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public $preloads = [];
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/**
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* @var Factory
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*/
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@ -203,6 +225,19 @@ class Document implements Renderable
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return $this->view->make($this->contentView)->with('content', $this->content);
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}
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protected function makePreloads(): array
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{
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return array_map(function ($preload) {
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$attributes = '';
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foreach ($preload as $key => $value) {
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$attributes .= " $key=\"".e($value).'"';
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}
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return "<link rel=\"preload\"$attributes>";
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}, $this->preloads);
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}
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/**
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* @return string
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*/
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@ -216,6 +251,8 @@ class Document implements Renderable
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$head[] = '<link rel="canonical" href="'.e($this->canonicalUrl).'">';
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}
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$head = array_merge($head, $this->makePreloads());
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$head = array_merge($head, array_map(function ($content, $name) {
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return '<meta name="'.e($name).'" content="'.e($content).'">';
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}, $this->meta, array_keys($this->meta)));
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@ -54,9 +54,58 @@ class FrontendServiceProvider extends AbstractServiceProvider
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$frontend->content($container->make(Content\CorePayload::class));
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$frontend->content($container->make(Content\Meta::class));
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$frontend->content(function (Document $document) use ($container) {
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$default_preloads = $container->make('flarum.frontend.default_preloads');
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// Add preloads for base CSS and JS assets. Extensions should add their own via the extender.
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$js_preloads = [];
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$css_preloads = [];
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foreach ($document->css as $url) {
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$css_preloads[] = [
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'href' => $url,
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'as' => 'style'
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];
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}
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foreach ($document->js as $url) {
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$css_preloads[] = [
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'href' => $url,
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'as' => 'script'
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];
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}
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$document->preloads = array_merge(
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$css_preloads,
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$js_preloads,
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$default_preloads,
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$document->preloads,
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);
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});
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return $frontend;
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};
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});
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$this->container->singleton(
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'flarum.frontend.default_preloads',
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function (Container $container) {
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$filesystem = $container->make('filesystem')->disk('flarum-assets');
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return [
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[
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'href' => $filesystem->url('fonts/fa-solid-900.woff2'),
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'as' => 'font',
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'type' => 'font/woff2',
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'crossorigin' => ''
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], [
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'href' => $filesystem->url('fonts/fa-regular-400.woff2'),
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'as' => 'font',
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'type' => 'font/woff2',
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'crossorigin' => ''
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]
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];
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}
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);
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}
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/**
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93
tests/integration/extenders/FrontendPreloadTest.php
Normal file
93
tests/integration/extenders/FrontendPreloadTest.php
Normal file
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@ -0,0 +1,93 @@
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<?php
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/*
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* This file is part of Flarum.
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*
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* For detailed copyright and license information, please view the
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* LICENSE file that was distributed with this source code.
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*/
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namespace Flarum\Tests\integration\extenders;
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use Flarum\Extend;
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use Flarum\Testing\integration\TestCase;
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class FrontendPreloadTest extends TestCase
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{
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private $customPreloadUrls = ['/my-preload', '/my-preload2'];
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/**
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* @test
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*/
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public function default_preloads_are_present()
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{
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$response = $this->send(
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$this->request('GET', '/')
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);
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$filesystem = $this->app()->getContainer()->make('filesystem')->disk('flarum-assets');
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$urls = [
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$filesystem->url('fonts/fa-solid-900.woff2'),
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$filesystem->url('fonts/fa-regular-400.woff2'),
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];
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$body = $response->getBody()->getContents();
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foreach ($urls as $url) {
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$this->assertStringContainsString("<link rel=\"preload\" href=\"$url\" as=\"font\" type=\"font/woff2\" crossorigin=\"\">", $body);
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}
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}
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/**
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* @test
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*/
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public function preloads_can_be_added()
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{
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$urls = $this->customPreloadUrls;
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$this->extend(
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(new Extend\Frontend('forum'))
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->preloads(
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array_map(function ($url) {
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return ['href' => $url];
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}, $urls)
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)
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);
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$response = $this->send(
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$this->request('GET', '/')
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);
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$body = $response->getBody()->getContents();
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foreach ($urls as $url) {
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$this->assertStringContainsString("<link rel=\"preload\" href=\"$url\">", $body);
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}
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}
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/**
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* @test
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*/
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public function preloads_can_be_added_via_callable()
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{
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$urls = $this->customPreloadUrls;
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$this->extend(
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(new Extend\Frontend('forum'))
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->preloads(function () use ($urls) {
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return array_map(function ($url) {
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return ['href' => $url];
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}, $urls);
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})
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);
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$response = $this->send(
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$this->request('GET', '/')
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);
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$body = $response->getBody()->getContents();
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foreach ($urls as $url) {
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$this->assertStringContainsString("<link rel=\"preload\" href=\"$url\">", $body);
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}
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}
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}
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