feat(jqLite): provide support for element.one()

1 files changed, 14 insertions, 0 deletions

diff --git a/src/jqLite.js b/src/jqLite.js
index c1b5b36e..e5980514 100644
--- a/src/jqLite.js
+++ b/src/jqLite.js
@@ -54,6 +54,7 @@
  * - [`next()`](http://api.jquery.com/next/) - Does not support selectors
  * - [`on()`](http://api.jquery.com/on/) - Does not support namespaces, selectors or eventData
  * - [`off()`](http://api.jquery.com/off/) - Does not support namespaces or selectors
+ * - [`one()`](http://api.jquery.com/one/) - Does not support namespaces or selectors
  * - [`parent()`](http://api.jquery.com/parent/) - Does not support selectors
  * - [`prepend()`](http://api.jquery.com/prepend/)
  * - [`prop()`](http://api.jquery.com/prop/)
@@ -744,6 +745,19 @@ forEach({
 
   off: jqLiteOff,
 
+  one: function(element, type, fn) {
+    element = jqLite(element);
+
+    //add the listener twice so that when it is called
+    //you can remove the original function and still be
+    //able to call element.off(ev, fn) normally
+    element.on(type, function onFn() {
+      element.off(type, fn);
+      element.off(type, onFn);
+    });
+    element.on(type, fn);
+  },
+
   replaceWith: function(element, replaceNode) {
     var index, parent = element.parentNode;
     jqLiteDealoc(element);