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diff --git a/web/modules/contrib/blazy/src/BlazyGrid.php b/web/modules/contrib/blazy/src/BlazyGrid.php
new file mode 100644
index 000000000..8aa41f5bc
--- /dev/null
+++ b/web/modules/contrib/blazy/src/BlazyGrid.php
@@ -0,0 +1,107 @@
+<?php
+
+namespace Drupal\blazy;
+
+use Drupal\Component\Serialization\Json;
+
+/**
+ * Provides grid utilities.
+ */
+class BlazyGrid {
+
+  /**
+   * Returns items as a grid display wrapped by theme_item_list().
+   *
+   * @param array $items
+   *   The grid items being modified.
+   * @param array $settings
+   *   The given settings.
+   *
+   * @return array
+   *   The modified array of grid items.
+   */
+  public static function build(array $items = [], array $settings = []) {
+    $blazy = empty($settings['blazy_data']) ? '' : $settings['blazy_data'];
+    $settings['style'] = empty($settings['style']) ? 'grid' : $settings['style'];
+
+    $grids = [];
+    foreach ($items as $delta => $item) {
+      // @todo: Support non-Blazy which normally uses item_id.
+      $item_settings = isset($item['#build']['settings']) ? $item['#build']['settings'] : $settings;
+      $item_settings['delta'] = $delta;
+
+      // Supports both single formatter field and complex fields such as Views.
+      $grid = [];
+      $grid['content'] = [
+        '#theme'      => 'container',
+        '#children'   => $item,
+        '#attributes' => ['class' => ['grid__content']],
+      ];
+
+      self::buildGridItemAttributes($grid, $item_settings);
+
+      $grids[] = $grid;
+      unset($grid);
+    }
+
+    $count = empty($settings['count']) ? count($grids) : $settings['count'];
+    $element = [
+      '#theme' => 'item_list',
+      '#items' => $grids,
+      '#context' => ['settings' => $settings],
+      '#attributes' => [
+        'class' => [
+          'blazy',
+          'blazy--grid',
+          'block-' . $settings['style'],
+          'block-count-' . $count,
+        ],
+        'data-blazy' => Json::encode($blazy),
+      ],
+      '#wrapper_attributes' => [
+        'class' => ['item-list--blazy', 'item-list--blazy-' . $settings['style']],
+      ],
+    ];
+
+    if (!empty($settings['media_switch'])) {
+      $switch = str_replace('_', '-', $settings['media_switch']);
+      $element['#attributes']['data-' . $switch . '-gallery'] = TRUE;
+    }
+
+    $settings['grid_large'] = $settings['grid'];
+    foreach (['small', 'medium', 'large'] as $grid) {
+      if (!empty($settings['grid_' . $grid])) {
+        $element['#attributes']['class'][] = $grid . '-block-' . $settings['style'] . '-' . $settings['grid_' . $grid];
+      }
+    }
+
+    return $element;
+  }
+
+  /**
+   * Modifies the grid item wrapper attributes.
+   *
+   * @param array $grid
+   *   The grid item being modified.
+   * @param array $settings
+   *   The given settings.
+   */
+  public static function buildGridItemAttributes(array &$grid = [], array $settings = []) {
+    if (!empty($settings['grid_item_class'])) {
+      $grid['#wrapper_attributes']['class'][] = $settings['grid_item_class'];
+    }
+
+    $grid['#wrapper_attributes']['class'][] = 'grid';
+
+    if (!empty($settings['type'])) {
+      $grid['#wrapper_attributes']['class'][] = 'grid--' . $settings['type'];
+    }
+
+    if (!empty($settings['media_switch'])) {
+      $grid['#wrapper_attributes']['class'][] = 'grid--' . str_replace('_', '-', $settings['media_switch']);
+    }
+
+    $grid['#wrapper_attributes']['class'][] = 'grid--' . $settings['delta'];
+  }
+
+}