protected function AssetResolver::getLibrariesToLoad in Drupal 9

Same name and namespace in other branches

1. 8 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()));
}