From d78ba5f8f6e700143bdf3af1bfda0c05153daf45 Mon Sep 17 00:00:00 2001
From: Wesley Cho <wesley.cho@gmail.com>
Date: Mon, 28 Mar 2016 20:47:44 -0700
Subject: [PATCH] feat(perf): optimize width resizing

- Optimize running dynamic width calculations when resizing
---
 src/uiSelectController.js | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/uiSelectController.js b/src/uiSelectController.js
index 5b00db2fd..3e4019a90 100644
--- a/src/uiSelectController.js
+++ b/src/uiSelectController.js
@@ -444,6 +444,7 @@ uis.controller('uiSelectCtrl',
   };
 
   var sizeWatch = null;
+  var updaterScheduled = false;
   ctrl.sizeSearchInput = function() {
 
     var input = ctrl.searchInput[0],
@@ -465,10 +466,16 @@ uis.controller('uiSelectCtrl',
     ctrl.searchInput.css('width', '10px');
     $timeout(function() { //Give tags time to render correctly
       if (sizeWatch === null && !updateIfVisible(calculateContainerWidth())) {
-        sizeWatch = $scope.$watch(calculateContainerWidth, function(containerWidth) {
-          if (updateIfVisible(containerWidth)) {
-            sizeWatch();
-            sizeWatch = null;
+        sizeWatch = $scope.$watch(angular.noop, function() {
+          if (!updaterScheduled) {
+            updaterScheduled = true;
+            $scope.$$postDigest(function() {
+              updaterScheduled = false;
+              if (updateIfVisible(calculateContainerWidth())) {
+                sizeWatch();
+                sizeWatch = null;
+              }
+            });
           }
         });
       }