protected function ThemeInitialization::prepareStylesheetsRemove in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Theme/ThemeInitialization.php \Drupal\Core\Theme\ThemeInitialization::prepareStylesheetsRemove()

Prepares stylesheets-remove specified in the *.info.yml file.

This method is used as a BC layer to access the contents of the deprecated stylesheets-remove key in theme info.yml files. It will be removed once it is no longer needed in Drupal 10.

@todo Remove in Drupal 10.0.x.

@internal

Parameters

\Drupal\Core\Extension\Extension $theme: The theme extension object.

\Drupal\Core\Extension\Extension[] $base_themes: An array of base themes.

Return value

string[] The list of stylesheets-remove specified in the *.info.yml file.

1 call to ThemeInitialization::prepareStylesheetsRemove()

ThemeInitialization::getActiveTheme in core/lib/Drupal/Core/Theme/ThemeInitialization.php

Builds up the active theme object from extensions.

File

core/lib/Drupal/Core/Theme/ThemeInitialization.php, line 331

Class

ThemeInitialization

Provides the theme initialization logic.

Namespace

Drupal\Core\Theme

Code

protected function prepareStylesheetsRemove(Extension $theme, $base_themes) {

  // Prepare stylesheets from this theme as well as all ancestor themes.
  // We work it this way so that we can have child themes remove CSS files
  // easily from parent.
  $stylesheets_remove = [];

  // Grab stylesheets from base theme.
  foreach ($base_themes as $base) {
    if (!empty($base->info['stylesheets-remove'])) {
      @trigger_error('The theme info key stylesheets-remove implemented by theme ' . $base
        ->getName() . ' is deprecated in drupal:8.0.0 and is removed from drupal:10.0.0. See https://www.drupal.org/node/2497313', E_USER_DEPRECATED);
      foreach ($base->info['stylesheets-remove'] as $css_file) {
        $css_file = $this
          ->resolveStyleSheetPlaceholders($css_file);
        $stylesheets_remove[$css_file] = $css_file;
      }
    }
  }

  // Add stylesheets used by this theme.
  if (!empty($theme->info['stylesheets-remove'])) {
    @trigger_error('The theme info key stylesheets-remove implemented by theme ' . $theme
      ->getName() . ' is deprecated in drupal:8.0.0 and is removed from drupal:10.0.0. See https://www.drupal.org/node/2497313', E_USER_DEPRECATED);
    foreach ($theme->info['stylesheets-remove'] as $css_file) {
      $css_file = $this
        ->resolveStyleSheetPlaceholders($css_file);
      $stylesheets_remove[$css_file] = $css_file;
    }
  }
  return $stylesheets_remove;
}