Debounce FTW.

src/js/lib/helper.js

@@ -23,6 +23,26 @@ var clone = exports.clone = function (obj) {
   }
 };
 
+exports.debounce = function (func, wait, immediate) {
+  var timeout;
+  return function () {
+    var context = this;
+    var args = arguments;
+    var later = function () {
+      timeout = null;
+      if (!immediate) {
+        func.apply(context, args);
+      }
+    };
+    var callNow = immediate && !timeout;
+    clearTimeout(timeout);
+    timeout = setTimeout(later, wait);
+    if (callNow) {
+      func.apply(context, args);
+    }
+  };
+};
+
 exports.extend = function (original, source) {
   var result = clone(original);
   for (var key in source) {

src/js/plugin/resizer.js

@@ -2,13 +2,14 @@
 
 var update = require('./update');
 var instances = require('./instances');
+var _ = require('../lib/helper');
 
 module.exports = function (element) {
   var i = instances.get(element);
 
-  var onMutationObserver = function () {
+  var onResize = function () {
     update(element);
   };
 
-  i.event.bind(window, 'resize', onMutationObserver);
+  i.event.bind(window, 'resize', _.debounce(onResize, 60));
 };