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diff --git a/web/modules/contrib/image_widget_crop/js/iwc.behaviors.js b/web/modules/contrib/image_widget_crop/js/iwc.behaviors.js
new file mode 100644
index 000000000..2714adc6d
--- /dev/null
+++ b/web/modules/contrib/image_widget_crop/js/iwc.behaviors.js
@@ -0,0 +1,62 @@
+/**
+ * @file
+ * Defines the Drupal behaviors needed for the Image Widget Crop module.
+ */
+
+(function ($, Drupal) {
+  'use strict';
+
+  /**
+   * Drupal behavior for the Image Widget Crop module.
+   *
+   * @type {Drupal~behavior}
+   *
+   * @prop {Drupal~behaviorAttach} attach
+   *   Attaches the behavior and creates Cropper instances.
+   * @prop {Drupal~behaviorAttach} detach
+   *   Detaches the behavior and destroys Cropper instances.
+   */
+  Drupal.behaviors.imageWidgetCrop = {
+    attach: function (context) {
+      this.createInstances(context);
+    },
+    detach: function (context) {
+      this.destroyInstances(context);
+    },
+
+    /**
+     * Creates necessary instances of Drupal.ImageWidgetCrop.
+     *
+     * @param {HTMLElement|jQuery} [context=document]
+     *   The context which to find elements in.
+     */
+    createInstances: function (context) {
+      var $context = $(context || document);
+      $context.find(Drupal.ImageWidgetCrop.prototype.selectors.wrapper).each(function () {
+        var $element = $(this);
+        if (!$element.data('ImageWidgetCrop')) {
+          $element.data('ImageWidgetCrop', new Drupal.ImageWidgetCrop($element));
+        }
+      });
+    },
+
+    /**
+     * Destroys any instances of Drupal.ImageWidgetCrop.
+     *
+     * @param {HTMLElement|jQuery} [context=document]
+     *   The context which to find elements in.
+     */
+    destroyInstances: function (context) {
+      var $context = $(context || document);
+      $context.find(Drupal.ImageWidgetCrop.prototype.selectors.wrapper).each(function () {
+        var $element = $(this);
+        var instance = $element.data('ImageWidgetCrop');
+        if (instance) {
+          instance.destroy();
+          $element.removeData('ImageWidgetCrop');
+        }
+      });
+    }
+  };
+
+}(jQuery, Drupal));