Webform module and config export

web/modules/contrib/webform/js/jquery.common_ancestor.js

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+/**
+ * @file
+ * Jquery plugin to find common ancestor.
+ *
+ * @see http://stackoverflow.com/questions/3217147/jquery-first-parent-containing-all-children
+ */
+
+(function ($) {
+
+  'use strict';
+
+  jQuery.fn.commonAncestor = function() {
+    var parents = [];
+    var minlen = Infinity;
+
+    $(this).each(function() {
+      var curparents = $(this).parents();
+      parents.push(curparents);
+      minlen = Math.min(minlen, curparents.length);
+    });
+
+    for (var i in parents) {
+      parents[i] = parents[i].slice(parents[i].length - minlen);
+    }
+
+    // Iterate until equality is found
+    for (var i = 0; i < parents[0].length; i++) {
+      var equal = true;
+      for (var j in parents) {
+        if (parents[j][i] != parents[0][i]) {
+          equal = false;
+          break;
+        }
+      }
+      if (equal) return $(parents[0][i]);
+    }
+    return $([]);
+  }
+
+})(jQuery);
+