private function getAllLibraries()
{
$modules = $this->moduleHandler->getModuleList();
$themes = $this->themeHandler->rebuildThemeData();
$extensions = array_merge($modules, $themes);
$libraries = [];
foreach ($extensions as $extensionName => $extension) {
$libraryFile = $extension->getPath() . '/' . $extensionName . '.libraries.yml';
if (is_file($this->appRoot . '/' . $libraryFile)) {
$libraries[$extensionName] = $this->libraryDiscovery->getLibrariesByExtension($extensionName);
}
}
return array_keys($libraries);
}
/**
* Gets the given libraries with its dependencies.
*
* Helper method for ::getLibrariesWithDependencies().
*
* @param string[] $libraries_with_unresolved_dependencies
* A list of libraries, with unresolved dependencies, in the order they
* should be loaded.
* @param string[] $final_libraries
* The final list of libraries (the return value) that is being built
* recursively.
*
* @return string[]
* A list of libraries, in the order they should be loaded, including their
* dependencies.
*/
protected function doGetDependencies(array $libraries_with_unresolved_dependencies, array $final_libraries = [])
{
foreach ($libraries_with_unresolved_dependencies as $library) {
if (!in_array($library, $final_libraries)) {
list($extension, $name) = explode('/', $library, 2);
$definition = $this->libraryDiscovery->getLibraryByName($extension, $name);
if (!empty($definition['dependencies'])) {
$final_libraries = $this->doGetDependencies($definition['dependencies'], $final_libraries);
}
$final_libraries[] = $library;
}
}
return $final_libraries;
}
/**
* Asserts that the specified asset is not in the given library.
*
* @param string $asset
* The asset file with the path for the file.
* @param string $extension
* The extension in which the $library_name is defined.
* @param string $library_name
* Name of the library.
* @param mixed $sub_key
* The library sub key where the given asset is defined.
* @param string $message
* (optional) A message to display with the assertion.
*
* @return bool
* TRUE if the specified asset is not found in the library.
*/
protected function assertNoAssetInLibrary($asset, $extension, $library_name, $sub_key, $message = NULL)
{
if (!isset($message)) {
$message = sprintf('Asset %s not found in library "%s/%s"', $asset, $extension, $library_name);
}
$library = $this->libraryDiscovery->getLibraryByName($extension, $library_name);
foreach ($library[$sub_key] as $definition) {
if ($asset == $definition['data']) {
return $this->fail($message);
}
}
return $this->pass($message);
}
/**
* Gets all libraries for core and all installed modules.
*
* @return array[]
* An associative array of libraries keyed by extension, then by library
* name, and so on.
*/
protected function getAllLibraries()
{
$modules = \Drupal::moduleHandler()->getModuleList();
$module_list = array_keys($modules);
sort($module_list);
$this->assertEqual($this->allModules, $module_list, 'All core modules are installed.');
$libraries['core'] = $this->libraryDiscovery->getLibrariesByExtension('core');
$root = \Drupal::root();
foreach ($modules as $module_name => $module) {
$library_file = $module->getPath() . '/' . $module_name . '.libraries.yml';
if (is_file($root . '/' . $library_file)) {
$libraries[$module_name] = $this->libraryDiscovery->getLibrariesByExtension($module_name);
}
}
return $libraries;
}
/**
* {@inheritdoc}
*/
public function getJsAssets(AttachedAssetsInterface $assets, $optimize)
{
$theme_info = $this->themeManager->getActiveTheme();
// Add the theme name to the cache key since themes may implement
// hook_library_info_alter(). Additionally add the current language to
// support translation of JavaScript files via hook_js_alter().
$libraries_to_load = $this->getLibrariesToLoad($assets);
$cid = 'js:' . $theme_info->getName() . ':' . $this->languageManager->getCurrentLanguage()->getId() . ':' . Crypt::hashBase64(serialize($libraries_to_load)) . (int) (count($assets->getSettings()) > 0) . (int) $optimize;
if ($cached = $this->cache->get($cid)) {
list($js_assets_header, $js_assets_footer, $settings, $settings_in_header) = $cached->data;
} else {
$javascript = [];
$default_options = ['type' => 'file', 'group' => JS_DEFAULT, 'weight' => 0, 'cache' => TRUE, 'preprocess' => TRUE, 'attributes' => [], 'version' => NULL, 'browsers' => []];
// Collect all libraries that contain JS assets and are in the header.
$header_js_libraries = [];
foreach ($libraries_to_load as $library) {
list($extension, $name) = explode('/', $library, 2);
$definition = $this->libraryDiscovery->getLibraryByName($extension, $name);
if (isset($definition['js']) && !empty($definition['header'])) {
$header_js_libraries[] = $library;
}
}
// The current list of header JS libraries are only those libraries that
// are in the header, but their dependencies must also be loaded for them
// to function correctly, so update the list with those.
$header_js_libraries = $this->libraryDependencyResolver->getLibrariesWithDependencies($header_js_libraries);
foreach ($libraries_to_load as $library) {
list($extension, $name) = explode('/', $library, 2);
$definition = $this->libraryDiscovery->getLibraryByName($extension, $name);
if (isset($definition['js'])) {
foreach ($definition['js'] as $options) {
$options += $default_options;
// 'scope' is a calculated option, based on which libraries are
// marked to be loaded from the header (see above).
$options['scope'] = in_array($library, $header_js_libraries) ? 'header' : 'footer';
// Preprocess can only be set if caching is enabled and no
// attributes are set.
$options['preprocess'] = $options['cache'] && empty($options['attributes']) ? $options['preprocess'] : FALSE;
// Always add a tiny value to the weight, to conserve the insertion
// order.
$options['weight'] += count($javascript) / 1000;
// Local and external files must keep their name as the associative
// key so the same JavaScript file is not added twice.
$javascript[$options['data']] = $options;
}
}
}
// Allow modules and themes to alter the JavaScript assets.
$this->moduleHandler->alter('js', $javascript, $assets);
$this->themeManager->alter('js', $javascript, $assets);
// Sort JavaScript assets, so that they appear in the correct order.
uasort($javascript, 'static::sort');
// Prepare the return value: filter JavaScript assets per scope.
$js_assets_header = [];
$js_assets_footer = [];
foreach ($javascript as $key => $item) {
if ($item['scope'] == 'header') {
$js_assets_header[$key] = $item;
} elseif ($item['scope'] == 'footer') {
$js_assets_footer[$key] = $item;
}
}
if ($optimize) {
$collection_optimizer = \Drupal::service('asset.js.collection_optimizer');
$js_assets_header = $collection_optimizer->optimize($js_assets_header);
$js_assets_footer = $collection_optimizer->optimize($js_assets_footer);
}
// If the core/drupalSettings library is being loaded or is already
// loaded, get the JavaScript settings assets, and convert them into a
// single "regular" JavaScript asset.
$libraries_to_load = $this->getLibrariesToLoad($assets);
$settings_required = in_array('core/drupalSettings', $libraries_to_load) || in_array('core/drupalSettings', $this->libraryDependencyResolver->getLibrariesWithDependencies($assets->getAlreadyLoadedLibraries()));
$settings_have_changed = count($libraries_to_load) > 0 || count($assets->getSettings()) > 0;
// Initialize settings to FALSE since they are not needed by default. This
// distinguishes between an empty array which must still allow
// hook_js_settings_alter() to be run.
$settings = FALSE;
if ($settings_required && $settings_have_changed) {
$settings = $this->getJsSettingsAssets($assets);
// Allow modules to add cached JavaScript settings.
foreach ($this->moduleHandler->getImplementations('js_settings_build') as $module) {
$function = $module . '_' . 'js_settings_build';
$function($settings, $assets);
}
}
$settings_in_header = in_array('core/drupalSettings', $header_js_libraries);
$this->cache->set($cid, [$js_assets_header, $js_assets_footer, $settings, $settings_in_header], CacheBackendInterface::CACHE_PERMANENT, ['library_info']);
}
if ($settings !== FALSE) {
// Attached settings override both library definitions and
// hook_js_settings_build().
$settings = NestedArray::mergeDeepArray([$settings, $assets->getSettings()], TRUE);
// Allow modules and themes to alter the JavaScript settings.
$this->moduleHandler->alter('js_settings', $settings, $assets);
$this->themeManager->alter('js_settings', $settings, $assets);
// Update the $assets object accordingly, so that it reflects the final
// settings.
$assets->setSettings($settings);
$settings_as_inline_javascript = ['type' => 'setting', 'group' => JS_SETTING, 'weight' => 0, 'browsers' => [], 'data' => $settings];
$settings_js_asset = ['drupalSettings' => $settings_as_inline_javascript];
// Prepend to the list of JS assets, to render it first. Preferably in
// the footer, but in the header if necessary.
if ($settings_in_header) {
$js_assets_header = $settings_js_asset + $js_assets_header;
} else {
$js_assets_footer = $settings_js_asset + $js_assets_footer;
}
}
return [$js_assets_header, $js_assets_footer];
}
/**
* Tests that an external asset library is registered as a core asset library.
*
* @see \Drupal\libraries\Extension\Extension
* @see \Drupal\libraries\Extension\ExtensionHandler
* @see \Drupal\libraries\ExternalLibrary\Asset\AssetLibrary
* @see \Drupal\libraries\ExternalLibrary\Asset\AssetLibraryTrait
* @see \Drupal\libraries\ExternalLibrary\ExternalLibraryManager
* @see \Drupal\libraries\ExternalLibrary\ExternalLibraryTrait
* @see \Drupal\libraries\ExternalLibrary\Registry\ExternalLibraryRegistry
*/
public function testAssetLibrary()
{
$library = $this->libraryDiscovery->getLibraryByName('libraries', 'test_asset_library');
$this->assertNotEquals(FALSE, $library);
$this->assertTrue(is_array($library));
}
/**
* {@inheritdoc}
*/
public function getJsAssets(AttachedAssetsInterface $assets, $optimize)
{
$javascript = [];
$default_options = ['type' => 'file', 'group' => JS_DEFAULT, 'every_page' => FALSE, 'weight' => 0, 'cache' => TRUE, 'preprocess' => TRUE, 'attributes' => [], 'version' => NULL, 'browsers' => []];
$libraries_to_load = $this->getLibrariesToLoad($assets);
// Collect all libraries that contain JS assets and are in the header.
$header_js_libraries = [];
foreach ($libraries_to_load as $library) {
list($extension, $name) = explode('/', $library, 2);
$definition = $this->libraryDiscovery->getLibraryByName($extension, $name);
if (isset($definition['js']) && !empty($definition['header'])) {
$header_js_libraries[] = $library;
}
}
// The current list of header JS libraries are only those libraries that are
// in the header, but their dependencies must also be loaded for them to
// function correctly, so update the list with those.
$header_js_libraries = $this->libraryDependencyResolver->getLibrariesWithDependencies($header_js_libraries);
foreach ($libraries_to_load as $library) {
list($extension, $name) = explode('/', $library, 2);
$definition = $this->libraryDiscovery->getLibraryByName($extension, $name);
if (isset($definition['js'])) {
foreach ($definition['js'] as $options) {
$options += $default_options;
// 'scope' is a calculated option, based on which libraries are marked
// to be loaded from the header (see above).
$options['scope'] = in_array($library, $header_js_libraries) ? 'header' : 'footer';
// Preprocess can only be set if caching is enabled and no attributes
// are set.
$options['preprocess'] = $options['cache'] && empty($options['attributes']) ? $options['preprocess'] : FALSE;
// Always add a tiny value to the weight, to conserve the insertion
// order.
$options['weight'] += count($javascript) / 1000;
// Local and external files must keep their name as the associative
// key so the same JavaScript file is not added twice.
$javascript[$options['data']] = $options;
}
}
}
// Allow modules and themes to alter the JavaScript assets.
$this->moduleHandler->alter('js', $javascript, $assets);
$this->themeManager->alter('js', $javascript, $assets);
// Sort JavaScript assets, so that they appear in the correct order.
uasort($javascript, 'static::sort');
// Prepare the return value: filter JavaScript assets per scope.
$js_assets_header = [];
$js_assets_footer = [];
foreach ($javascript as $key => $item) {
if ($item['scope'] == 'header') {
$js_assets_header[$key] = $item;
} elseif ($item['scope'] == 'footer') {
$js_assets_footer[$key] = $item;
}
}
if ($optimize) {
$collection_optimizer = \Drupal::service('asset.js.collection_optimizer');
$js_assets_header = $collection_optimizer->optimize($js_assets_header);
$js_assets_footer = $collection_optimizer->optimize($js_assets_footer);
}
// If the core/drupalSettings library is being loaded or is already loaded,
// get the JavaScript settings assets, and convert them into a single
// "regular" JavaScript asset.
$libraries_to_load = $this->getLibrariesToLoad($assets);
$settings_needed = in_array('core/drupalSettings', $libraries_to_load) || in_array('core/drupalSettings', $this->libraryDependencyResolver->getLibrariesWithDependencies($assets->getAlreadyLoadedLibraries()));
$settings_have_changed = count($libraries_to_load) > 0 || count($assets->getSettings()) > 0;
if ($settings_needed && $settings_have_changed) {
$settings = $this->getJsSettingsAssets($assets);
if (!empty($settings)) {
$settings_as_inline_javascript = ['type' => 'setting', 'group' => JS_SETTING, 'every_page' => TRUE, 'weight' => 0, 'browsers' => [], 'data' => $settings];
$settings_js_asset = ['drupalSettings' => $settings_as_inline_javascript];
// Prepend to the list of JS assets, to render it first. Preferably in
// the footer, but in the header if necessary.
if (in_array('core/drupalSettings', $header_js_libraries)) {
$js_assets_header = $settings_js_asset + $js_assets_header;
} else {
$js_assets_footer = $settings_js_asset + $js_assets_footer;
}
}
}
return [$js_assets_header, $js_assets_footer];
}
/**
* {@inheritdoc}
*/
protected function setUp()
{
$this->libraryDiscovery = $this->getMockBuilder('Drupal\\Core\\Asset\\LibraryDiscovery')->disableOriginalConstructor()->setMethods(['getLibrariesByExtension'])->getMock();
$this->libraryDiscovery->expects($this->any())->method('getLibrariesByExtension')->with('test')->will($this->returnValue($this->libraryData));
$this->libraryDependencyResolver = new LibraryDependencyResolver($this->libraryDiscovery);
}