A simple page with a library attached.

Return value

array A render array.

1 string reference to 'LoadLibraryController::build'

modernizr_deprecation_test.routing.yml in core/modules/system/tests/modules/modernizr_deprecation_test/modernizr_deprecation_test.routing.yml

core/modules/system/tests/modules/modernizr_deprecation_test/modernizr_deprecation_test.routing.yml

File

core/modules/system/tests/modules/modernizr_deprecation_test/src/Controller/LoadLibraryController.php, line 36

Class

LoadLibraryController

A page to facilitate library loading.

Namespace

Drupal\modernizr_deprecation_test\Controller

Code

public function build($extension, $library) {
  // Confirm the extension and library are valid before proceeding.
  $extension_list = array_keys($this->moduleExtensionList
    ->getList());
  array_push($extension_list, 'core');
  assert(in_array($extension, $extension_list), "Extension {$extension} not available.");
  $available_libraries = $this->libraryDiscovery
    ->getLibrariesByExtension($extension);
  assert(isset($available_libraries[$library]), "Library {$library} not available in extension {$extension}");
  $build = [
    '#markup' => "Attaching {$extension}/{$library}",
    '#cache' => [
      'max-age' => 0,
    ],
  ];
  $build['#attached']['library'][] = "{$extension}/{$library}";
  if ($library === 'modernizr') {
    $build['#attached']['library'][] = 'modernizr_deprecation_test/access_unsupported_property';
  }
  return $build;
}

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