Only emit drag end after dragging, not clicks

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased][]
 
+### Fixed
+
+- Only emit drag end event after an object dragged, not after every mouse up
+
 ## [1.3.2][] - 2016-11-05
 
 ### Added

src/index.js

@@ -500,6 +500,10 @@ const {didMount, didUnmount} = (function getDidMountAndUnmount() {
 
     function onMouseUp({clientX, clientY}) {
 
+      if (!draggedElement) {
+        return;
+      }
+
       cleanUpPositionLog();
 
       const velocity = {