function AssetResolver::getLibrariesToLoad

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Asset/AssetResolver.php \Drupal\Core\Asset\AssetResolver::getLibrariesToLoad()
  2. 10 core/lib/Drupal/Core/Asset/AssetResolver.php \Drupal\Core\Asset\AssetResolver::getLibrariesToLoad()
  3. 11.x core/lib/Drupal/Core/Asset/AssetResolver.php \Drupal\Core\Asset\AssetResolver::getLibrariesToLoad()

Returns the libraries that need to be loaded.

For example, with core/a depending on core/c and core/b on core/d:

$assets = new AttachedAssets();
$assets->setLibraries([
    'core/a',
    'core/b',
    'core/c',
]);
$assets->setAlreadyLoadedLibraries([
    'core/c',
]);
$resolver->getLibrariesToLoad($assets) === [
    'core/a',
    'core/b',
    'core/d',
];

Parameters

\Drupal\Core\Asset\AttachedAssetsInterface $assets: The assets attached to the current response.

Return value

string[] A list of libraries and their dependencies, in the order they should be loaded, excluding any libraries that have already been loaded.

3 calls to AssetResolver::getLibrariesToLoad()
AssetResolver::getCssAssets in core/lib/Drupal/Core/Asset/AssetResolver.php
Returns the CSS assets for the current response's libraries.
AssetResolver::getJsAssets in core/lib/Drupal/Core/Asset/AssetResolver.php
Returns the JavaScript assets for the current response's libraries.
AssetResolver::getJsSettingsAssets in core/lib/Drupal/Core/Asset/AssetResolver.php
Returns the JavaScript settings assets for this response's libraries.

File

core/lib/Drupal/Core/Asset/AssetResolver.php, line 102

Class

AssetResolver
The default asset resolver.

Namespace

Drupal\Core\Asset

Code

protected function getLibrariesToLoad(AttachedAssetsInterface $assets) {
    return array_diff($this->libraryDependencyResolver
        ->getLibrariesWithDependencies($assets->getLibraries()), $this->libraryDependencyResolver
        ->getLibrariesWithDependencies($assets->getAlreadyLoadedLibraries()));
}

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