Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/domutils/lib/manipulation.js b/node_modules/domutils/lib/manipulation.js
new file mode 100644
index 0000000..6b44cbc
--- /dev/null
+++ b/node_modules/domutils/lib/manipulation.js
@@ -0,0 +1,77 @@
+exports.removeElement = function(elem){
+ if(elem.prev) elem.prev.next = elem.next;
+ if(elem.next) elem.next.prev = elem.prev;
+
+ if(elem.parent){
+ var childs = elem.parent.children;
+ childs.splice(childs.lastIndexOf(elem), 1);
+ }
+};
+
+exports.replaceElement = function(elem, replacement){
+ var prev = replacement.prev = elem.prev;
+ if(prev){
+ prev.next = replacement;
+ }
+
+ var next = replacement.next = elem.next;
+ if(next){
+ next.prev = replacement;
+ }
+
+ var parent = replacement.parent = elem.parent;
+ if(parent){
+ var childs = parent.children;
+ childs[childs.lastIndexOf(elem)] = replacement;
+ }
+};
+
+exports.appendChild = function(elem, child){
+ child.parent = elem;
+
+ if(elem.children.push(child) !== 1){
+ var sibling = elem.children[elem.children.length - 2];
+ sibling.next = child;
+ child.prev = sibling;
+ child.next = null;
+ }
+};
+
+exports.append = function(elem, next){
+ var parent = elem.parent,
+ currNext = elem.next;
+
+ next.next = currNext;
+ next.prev = elem;
+ elem.next = next;
+ next.parent = parent;
+
+ if(currNext){
+ currNext.prev = next;
+ if(parent){
+ var childs = parent.children;
+ childs.splice(childs.lastIndexOf(currNext), 0, next);
+ }
+ } else if(parent){
+ parent.children.push(next);
+ }
+};
+
+exports.prepend = function(elem, prev){
+ var parent = elem.parent;
+ if(parent){
+ var childs = parent.children;
+ childs.splice(childs.lastIndexOf(elem), 0, prev);
+ }
+
+ if(elem.prev){
+ elem.prev.next = prev;
+ }
+
+ prev.parent = parent;
+ prev.prev = elem.prev;
+ prev.next = elem;
+ elem.prev = prev;
+};
+
+