Added check_markup filter.

src/TwigExtension.php

@@ -48,6 +48,7 @@ class TwigExtension extends \Twig_Extension {
       new \Twig_SimpleFilter('preg_replace', [$this, 'pregReplaceFilter']),
       new \Twig_SimpleFilter('image_style', [$this, 'imageStyle']),
       new \Twig_SimpleFilter('transliterate', [$this, 'transliterate']),
+      new \Twig_SimpleFilter('check_markup', [$this, 'checkMarkup']),
     ];
     // PHP filter should be enabled in settings.php file.
     if (Settings::get('twig_tweak_enable_php_filter')) {
@@ -407,6 +408,29 @@ class TwigExtension extends \Twig_Extension {
     return \Drupal::transliteration()->transliterate($string, $langcode, $unknown_character, $max_length);
   }
 
+  /**
+   * Runs all the enabled filters on a piece of text.
+   *
+   * @param string $text
+   *   The text to be filtered.
+   * @param string|null $format_id
+   *   (optional) The machine name of the filter format to be used to filter the
+   *   text. Defaults to the fallback format. See filter_fallback_format().
+   * @param string $langcode
+   *   (optional) The language code of the text to be filtered.
+   * @param array $filter_types_to_skip
+   *   (optional) An array of filter types to skip, or an empty array (default)
+   *   to skip no filter types.
+   *
+   * @return \Drupal\Component\Render\MarkupInterface
+   *   The filtered text.
+   *
+   * @see check_markup()
+   */
+  public function checkMarkup($text, $format_id = NULL, $langcode = '', array $filter_types_to_skip = []) {
+    return check_markup($text, $format_id, $langcode, $filter_types_to_skip);
+  }
+
   /**
    * Evaluates a string of PHP code.
    *

tests/src/Functional/TwigTweakTest.php

@@ -152,6 +152,10 @@ class TwigTweakTest extends BrowserTestBase {
     // Test transliteration.
     $xpath = '//div[@class = "tt-transliterate" and contains(text(), "Privet!")]';
     $this->assertByXpath($xpath);
+
+    // Test text format.
+    $xpath = '//div[@class = "tt-check-markup"]';
+    $this->assertEquals('<b>bold</b> strong', trim($this->xpath($xpath)[0]->getHtml()));
   }
 
   /**

tests/twig_tweak_test/config/install/filter.format.twig_tweak_test.yml

@@ -0,0 +1,16 @@
+langcode: en
+status: true
+dependencies: {}
+name: Twig tweak test
+format: twig_tweak_test
+weight: 0
+filters:
+  filter_html:
+    id: filter_html
+    provider: filter
+    status: true
+    weight: 0
+    settings:
+      allowed_html: '<b>'
+      filter_html_help: true
+      filter_html_nofollow: false

tests/twig_tweak_test/templates/twig-tweak-test.html.twig

@@ -38,4 +38,5 @@
   <div class="tt-preg-replace">{{ 'foo' | preg_replace('(foo)', '$1-bar') }}</div>
   <div class="tt-image-style">{{ 'public://images/ocean.jpg' | image_style('thumbnail') }}</div>
   <div class="tt-transliterate">{{ 'Привет!' | transliterate('ru') }}</div>
+  <div class="tt-check-markup">{{ '<b>bold</b> <strong>strong</strong>' | check_markup('twig_tweak_test') }}</div>
 </div>