Issue #3514294: Fix issues reported by PHPCS

shortcode_basic_tags/templates/shortcode-button.html.twig

@@ -9,4 +9,4 @@
  * - text: The button label.
  */
 #}
-<a{{ attributes }}><span>{{ text }}</span></a>
\ No newline at end of file
+<a{{ attributes }}><span>{{ text }}</span></a>

shortcode_basic_tags/templates/shortcode-clear.html.twig

@@ -9,4 +9,4 @@
  * - text: The content.
  */
 #}
-<{{ type }}{{ attributes }}>{{ text | raw }}</{{ type }}>
\ No newline at end of file
+<{{ type }}{{ attributes }}>{{ text | raw }}</{{ type }}>

shortcode_basic_tags/templates/shortcode-dropcap.html.twig

@@ -8,4 +8,4 @@
  * - text: The quoted text.
  */
 #}
-<span class="{{ class }}">{{ text }}</span>
\ No newline at end of file
+<span class="{{ class }}">{{ text }}</span>

shortcode_basic_tags/templates/shortcode-img.html.twig

@@ -9,4 +9,4 @@
  * - alt: The alt text.
  */
 #}
-<img src="{{ src }}" class="{{ class }}" alt="{{ alt }}">
\ No newline at end of file
+<img src="{{ src }}" class="{{ class }}" alt="{{ alt }}">

shortcode_basic_tags/templates/shortcode-item.html.twig

@@ -9,4 +9,4 @@
  * - text: The content.
  */
 #}
-<{{ type }}{{ attributes }}>{{ text | raw  }}</{{ type }}>
\ No newline at end of file
+<{{ type }}{{ attributes }}>{{ text | raw  }}</{{ type }}>

shortcode_basic_tags/templates/shortcode-link.html.twig

@@ -9,4 +9,4 @@
  * - text: The link label.
  */
 #}
-<a{{ attributes }}>{{ text }}</a>
\ No newline at end of file
+<a{{ attributes }}>{{ text }}</a>

shortcode_basic_tags/templates/shortcode-quote.html.twig

@@ -15,4 +15,4 @@
     <span class="quote-author">{{ author | trans }} wrote: </span>
   {% endif %}
   {{ text | raw }}
-</span>
\ No newline at end of file
+</span>

src/ShortcodeService.php

@@ -86,7 +86,7 @@ class ShortcodeService {
    * @return array
    *   Array of shortcode plugin definitions, keyed by token, not id.
    */
-  public function getShortcodePlugins(FilterInterface $filter = NULL, bool $reset = FALSE): array {
+  public function getShortcodePlugins(?FilterInterface $filter = NULL, bool $reset = FALSE): array {
     $shortcodes = &drupal_static(__FUNCTION__);
 
     // Prime plugin cache.
@@ -212,7 +212,7 @@ class ShortcodeService {
    * @return string
    *   The processed string.
    */
-  public function process($text, string $langcode = Language::LANGCODE_NOT_SPECIFIED, FilterInterface $filter = NULL): string {
+  public function process($text, string $langcode = Language::LANGCODE_NOT_SPECIFIED, ?FilterInterface $filter = NULL): string {
     $shortcodes = $this->getShortcodePlugins($filter);
 
     // Processing recursively, now embedding tags within other tags is
@@ -357,7 +357,7 @@ class ShortcodeService {
    * @return string
    *   The processed string.
    */
-  public function postprocessText($text, string $langcode, FilterInterface $filter = NULL): string {
+  public function postprocessText($text, string $langcode, ?FilterInterface $filter = NULL): string {
 
     // preg_match_all('/<p>s.*<!--.*-->.*<div/isU', $text, $r);
     // dpm($r, '$r');