function SvgSpriteExtractor::discoverIcons

Get a list of all the icons discovered by this extractor.

The icons must be provided as an associative array keyed by the icon id with values used to load the icon: source and group.

Return value

array List of icons that are found by this extractor. Keyed by icon full id.

Overrides IconExtractorInterface::discoverIcons

File

core/lib/Drupal/Core/Theme/Plugin/IconExtractor/SvgSpriteExtractor.php, line 35

Class

SvgSpriteExtractor

Plugin implementation of the icon_extractor.

Namespace

Code

public function discoverIcons() : array {
  $files = $this->getFilesFromSources();
  if (empty($files)) {
    return [];
  }
  $icons = [];
  foreach ($files as $file) {
    $icon_ids = $this->extractIdsFromXml($file['absolute_path'] ?? '');
    foreach ($icon_ids as $icon_id) {
      $id = IconDefinition::createIconId($this->configuration['id'], (string) $icon_id);
      $icons[$id] = [
        'absolute_path' => $file['absolute_path'],
        'source' => $file['source'],
        'group' => $file['group'] ?? NULL,
      ];
    }
  }
  return $icons;
}