Add aria-hidden form option

src/Plugin/Field/FieldFormatter/SvgImageFieldFormatter.php

@@ -70,6 +70,7 @@ public static function defaultSettings() {
       'force_fill' => FALSE,
       'sanitize' => TRUE,
       'sanitize_remote' => FALSE,
+      'aria_hidden' => FALSE,
     ] + parent::defaultSettings();
   }
 
@@ -162,6 +163,12 @@ public function settingsForm(array $form, FormStateInterface $form_state) {
         ],
       ],
     ];
+    $form['aria_hidden'] = [
+      '#title' => $this->t('Hide from screen readers'),
+      '#description' => $this->t('Apply aria-hidden attribute'),
+      '#type' => 'checkbox',
+      '#default_value' => $this->getSetting('aria_hidden'),
+    ];
     $form['link'] = [
       '#title' => $this->t('Link image to'),
       '#type' => 'select',
@@ -198,6 +205,9 @@ public function settingsSummary() {
     if ($this->getSetting('apply_dimensions') && $this->getSetting('width')) {
       $summary[] = $this->t('Image height: @height', ['@height' => $this->getSetting('height')]);
     }
+    if ($this->getSetting('aria_hidden')) {
+      $summary[] = $this->t('Hide from screen readers');
+    }
     if ($this->getSetting('enable_alt')) {
       $summary[] = $this->t('Alt enabled');
     }
@@ -224,6 +234,9 @@ public function viewElements(FieldItemListInterface $items, $langcode) {
       $attributes['width'] = $this->getSetting('width');
       $attributes['height'] = $this->getSetting('height');
     }
+    if ($this->getSetting('aria_hidden')) {
+      $attributes['aria-hidden'] = 'true';
+    }
 
     $url = NULL;
     $image_link_setting = $this->getSetting('link');