fixes leaking options between recognizer instances by coping the opti…

…ons object into a new object upon instantiation hammerjs#813
LeJared · Jun 25, 2015 · 286363a · 286363a
1 parent 8ab166d
commit 286363a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/hammer.js b/hammer.js
@@ -1256,10 +1256,13 @@ var STATE_FAILED = 32;
  * @param {Object} options
  */
 function Recognizer(options) {
+    // make sure, options are copied over to a new object to prevent leaking it outside
+    options = extend({}, options || {});
+
     this.id = uniqueId();
 
     this.manager = null;
-    this.options = merge(options || {}, this.defaults);
+    this.options = merge(options, this.defaults);
 
     // default is enable true
     this.options.enable = ifUndefined(this.options.enable, true);