diff --git a/Makefile b/Makefile
index c8e2911..6d18a4c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,3 @@
-build:
-	node_modules/.bin/coffee -c ionic-rating.coffee
-
 uglify:
 	node_modules/.bin/uglifyjs ionic-rating.js > ionic-rating.min.js
 
diff --git a/ionic-rating.coffee b/ionic-rating.coffee
deleted file mode 100644
index eeea951..0000000
--- a/ionic-rating.coffee
+++ /dev/null
@@ -1,82 +0,0 @@
-angular.module 'ionic.rating', []
-
-.constant 'ratingConfig', {
-    max: 5
-    stateOn: null
-    stateOff: null
-}
-
-.controller 'RatingController', ($scope, $attrs, ratingConfig) ->
-    ngModelCtrl = { $setViewValue: angular.noop }
-
-    this.init = (ngModelCtrl_) ->
-        ngModelCtrl = ngModelCtrl_
-        ngModelCtrl.$render = this.render
-
-        this.stateOn = if angular.isDefined($attrs.stateOn)
-        then $scope.$parent.$eval($attrs.stateOn)
-        else ratingConfig.stateOn
-
-        this.stateOff = if angular.isDefined($attrs.stateOff)
-        then $scope.$parent.$eval($attrs.stateOff)
-        else ratingConfig.stateOff
-
-        max = if angular.isDefined($attrs.max) then $scope.$parent.$eval($attrs.max) else ratingConfig.max
-
-        ratingStates = if angular.isDefined($attrs.ratingStates)
-        then $scope.$parent.$eval($attrs.ratingStates)
-        else new Array(max)
-
-        $scope.range = this.buildTemplateObjects(ratingStates)
-
-    this.buildTemplateObjects = (states) ->
-        for i in states.length
-            states[i] = angular.extend { index: 1 }, { stateOn: this.stateOn, stateOff: this.stateOff }, states[i]
-        return states
-
-    $scope.rate = (value) ->
-        if not $scope.readonly and value >= 0 && value <= $scope.range.length
-            ngModelCtrl.$setViewValue value
-            ngModelCtrl.$render()
-
-    $scope.reset = ->
-        $scope.value = ngModelCtrl.$viewValue
-        $scope.onLeave()
-
-    $scope.enter = (value) ->
-        if not $scope.readonly
-            $scope.value = value
-        $scope.onHover({value: value})
-
-    $scope.onKeydown = (evt) ->
-        if /(37|38|39|40)/.test evt.which
-            evt.preventDefault()
-            evt.stopPropagation()
-            $scope.rate $scope.value + (if evt.which is 38 or evt.which is 39 then 1 : -1 )
-
-    this.render = ->
-        $scope.value = ngModelCtrl.$viewValue
-
-    return this
-
-.directive 'rating', ->
-    return {
-        restrict: 'EA'
-        require: ['rating', 'ngModel']
-        scope:
-            readonly: '@'
-            onHover: '&'
-            onLeave: '&'
-        controller: 'RatingController'
-        template: '<ul class="rating" ng-mouseleave="reset()" ng-keydown="onKeydown($event)">' +
-            '<li ng-repeat="r in range track by $index" ng-click="rate($index + 1)"><i class="icon" ng-class="$index < value && (r.stateOn || \'ion-ios-star\') || (r.stateOff || \'ion-ios-star-outline\')"></i></li>' +
-            '</ul>'
-        replace: true
-        link: (scope, element, attrs, ctrls) ->
-            ratingCtrl = ctrls[0]
-            ngModelCtrl = ctrls[1]
-
-            if ngModelCtrl
-                ratingCtrl.init ngModelCtrl
-    }
-
diff --git a/ionic-rating.js b/ionic-rating.js
index 024b1b8..a797b84 100644
--- a/ionic-rating.js
+++ b/ionic-rating.js
@@ -1,73 +1,81 @@
-// Generated by CoffeeScript 1.9.1
-(function() {
-  angular.module('ionic.rating', []).constant('ratingConfig', {
-    max: 5
-  }).controller('RatingController', function($scope, $attrs, ratingConfig) {
-    var ngModelCtrl;
-    ngModelCtrl = {
-      $setViewValue: angular.noop
-    };
-    this.init = function(ngModelCtrl_) {
-      var max, ratingStates;
-      ngModelCtrl = ngModelCtrl_;
-      ngModelCtrl.$render = this.render;
-      max = angular.isDefined($attrs.max) ? $scope.$parent.$eval($attrs.max) : ratingConfig.max;
-      return $scope.range = this.buildTemplateObjects(ngModelCtrl.$modelValue, max);
-    };
-    this.buildTemplateObjects = function(stateValue, max) {
-      var i, j, len, states = [];
+(function () {
 
-      for (j = 0; j < max; j++) {
-        if(stateValue > j && stateValue < j+1)
-          states[j] = 2;
-        else if(stateValue > j)
-          states[j] = 1;
-        else
-          states[j] = 0;
-      }
+    'use strict';
 
-      return states;
-    };
-    $scope.rate = function(value) {
-      if (!$scope.readonly && value >= 0 && value <= $scope.range.length) {
-        ngModelCtrl.$setViewValue(value);
-        return ngModelCtrl.$render();
-      }
-    };
-    $scope.onKeydown = function(evt) {
-      if (/(37|38|39|40)/.test(evt.which)) {
-        evt.preventDefault();
-        evt.stopPropagation();
-        return $scope.rate($scope.value + (evt.which === 38 || evt.which === 39 ? {
-              1: -1
-            } : void 0));
-      }
-    };
-    this.render = function() {
-      return $scope.value = ngModelCtrl.$viewValue;
-    };
-    return this;
-  }).directive('rating', function($timeout) {
-    return {
-      restrict: 'EA',
-      require: ['rating', 'ngModel'],
-      scope: {
-        readonly: '@'
-      },
-      controller: 'RatingController',
-      template: '<ul class="rating" ng-keydown="onKeydown($event)">' + '<li ng-repeat="r in range track by $index" ng-click="rate($index + 1)"><i class="icon" ng-class="value === undefined ? (r === 1 ? \'ion-ios-star\' : (r === 2 ? \'ion-ios-star-half\' : \'ion-ios-star-outline\')) : (value > $index ? (value < $index+1 ? \'ion-ios-star-half\' : \'ion-ios-star\') : \'ion-ios-star-outline\')"></i></li>' + '</ul>',
-      replace: true,
-      link: function(scope, element, attrs, ctrls) {
-        var ngModelCtrl, ratingCtrl;
-        ratingCtrl = ctrls[0];
-        ngModelCtrl = ctrls[1];
-        if (ngModelCtrl) {
-          $timeout(function(){
-          return ratingCtrl.init(ngModelCtrl);
-          })
-        }
-      }
-    };
-  });
+    angular.module('ionic.rating', [])
 
-}).call(this);
+        .constant('ratingConfig', {
+            max: 5
+        })
+
+        .controller('RatingController', [ '$scope', '$attrs', 'ratingConfig', function ($scope, $attrs, ratingConfig) {
+            var ngModelCtrl;
+            ngModelCtrl = {
+                $setViewValue: angular.noop
+            };
+            this.init = function (ngModelCtrl_) {
+                var max;
+                ngModelCtrl = ngModelCtrl_;
+                ngModelCtrl.$render = this.render;
+                max = angular.isDefined($attrs.max) ? $scope.$parent.$eval($attrs.max) : ratingConfig.max;
+                return $scope.range = this.buildTemplateObjects(ngModelCtrl.$modelValue, max);
+            };
+            this.buildTemplateObjects = function (stateValue, max) {
+                var j, states = [];
+
+                for (j = 0; j < max; j++) {
+                    if (stateValue > j && stateValue < j + 1)
+                        states[j] = 2;
+                    else if (stateValue > j)
+                        states[j] = 1;
+                    else
+                        states[j] = 0;
+                }
+
+                return states;
+            };
+            $scope.rate = function (value) {
+                if (!$scope.readonly && value >= 0 && value <= $scope.range.length) {
+                    ngModelCtrl.$setViewValue(value);
+                    return ngModelCtrl.$render();
+                }
+            };
+            $scope.onKeydown = function (evt) {
+                if (/(37|38|39|40)/.test(evt.which)) {
+                    evt.preventDefault();
+                    evt.stopPropagation();
+                    return $scope.rate($scope.value + (evt.which === 38 || evt.which === 39 ? {
+                            1: -1
+                        } : void 0));
+                }
+            };
+            this.render = function () {
+                return $scope.value = ngModelCtrl.$viewValue;
+            };
+            return this;
+        }])
+
+        .directive('rating', ['$timeout', function ($timeout) {
+            return {
+                restrict: 'EA',
+                require: ['rating', 'ngModel'],
+                scope: {
+                    readonly: '@'
+                },
+                controller: 'RatingController',
+                template: '<ul class="rating" ng-keydown="onKeydown($event)">' + '<li ng-repeat="r in range track by $index" ng-click="rate($index + 1)"><i class="icon" ng-class="value === undefined ? (r === 1 ? \'ion-ios-star\' : (r === 2 ? \'ion-ios-star-half\' : \'ion-ios-star-outline\')) : (value > $index ? (value < $index+1 ? \'ion-ios-star-half\' : \'ion-ios-star\') : \'ion-ios-star-outline\')"></i></li>' + '</ul>',
+                replace: true,
+                link: function (scope, element, attrs, ctrls) {
+                    var ngModelCtrl, ratingCtrl;
+                    ratingCtrl = ctrls[0];
+                    ngModelCtrl = ctrls[1];
+                    if (ngModelCtrl) {
+                        $timeout(function () {
+                            return ratingCtrl.init(ngModelCtrl);
+                        })
+                    }
+                }
+            };
+        }]);
+
+}());
\ No newline at end of file
diff --git a/ionic-rating.min.js b/ionic-rating.min.js
index cf76261..b8081bc 100644
--- a/ionic-rating.min.js
+++ b/ionic-rating.min.js
@@ -1 +1 @@
-(function(){angular.module('ionic.rating',[]).constant('ratingConfig',{max:5}).controller('RatingController',function($scope,$attrs,ratingConfig){var ngModelCtrl;ngModelCtrl={$setViewValue:angular.noop};this.init=function(ngModelCtrl_){var max,ratingStates;ngModelCtrl=ngModelCtrl_;ngModelCtrl.$render=this.render;max=angular.isDefined($attrs.max)?$scope.$parent.$eval($attrs.max):ratingConfig.max;return $scope.range=this.buildTemplateObjects(ngModelCtrl.$modelValue,max)};this.buildTemplateObjects=function(stateValue,max){var i,j,len,states=[];for(j=0;j<max;j++){if(stateValue>j&&stateValue<j+1)states[j]=2;else if(stateValue>j)states[j]=1;else states[j]=0}return states};$scope.rate=function(value){if(!$scope.readonly&&value>=0&&value<=$scope.range.length){ngModelCtrl.$setViewValue(value);return ngModelCtrl.$render()}};$scope.onKeydown=function(evt){if(/(37|38|39|40)/.test(evt.which)){evt.preventDefault();evt.stopPropagation();return $scope.rate($scope.value+(evt.which===38||evt.which===39?{1:-1}:void 0))}};this.render=function(){return $scope.value=ngModelCtrl.$viewValue};return this}).directive('rating',function($timeout){return{restrict:'EA',require:['rating','ngModel'],scope:{readonly:'@'},controller:'RatingController',template:'<ul class="rating" ng-keydown="onKeydown($event)">'+'<li ng-repeat="r in range track by $index" ng-click="rate($index + 1)"><i class="icon" ng-class="value === undefined ? (r === 1 ? \'ion-ios-star\' : (r === 2 ? \'ion-ios-star-half\' : \'ion-ios-star-outline\')) : (value > $index ? (value < $index+1 ? \'ion-ios-star-half\' : \'ion-ios-star\') : \'ion-ios-star-outline\')"></i></li>'+'</ul>',replace:true,link:function(scope,element,attrs,ctrls){var ngModelCtrl,ratingCtrl;ratingCtrl=ctrls[0];ngModelCtrl=ctrls[1];if(ngModelCtrl){$timeout(function(){return ratingCtrl.init(ngModelCtrl)})}}}})}).call(this);
+(function(){"use strict";angular.module("ionic.rating",[]).constant("ratingConfig",{max:5}).controller("RatingController",["$scope","$attrs","ratingConfig",function($scope,$attrs,ratingConfig){var ngModelCtrl;ngModelCtrl={$setViewValue:angular.noop};this.init=function(ngModelCtrl_){var max;ngModelCtrl=ngModelCtrl_;ngModelCtrl.$render=this.render;max=angular.isDefined($attrs.max)?$scope.$parent.$eval($attrs.max):ratingConfig.max;return $scope.range=this.buildTemplateObjects(ngModelCtrl.$modelValue,max)};this.buildTemplateObjects=function(stateValue,max){var j,states=[];for(j=0;j<max;j++){if(stateValue>j&&stateValue<j+1)states[j]=2;else if(stateValue>j)states[j]=1;else states[j]=0}return states};$scope.rate=function(value){if(!$scope.readonly&&value>=0&&value<=$scope.range.length){ngModelCtrl.$setViewValue(value);return ngModelCtrl.$render()}};$scope.onKeydown=function(evt){if(/(37|38|39|40)/.test(evt.which)){evt.preventDefault();evt.stopPropagation();return $scope.rate($scope.value+(evt.which===38||evt.which===39?{1:-1}:void 0))}};this.render=function(){return $scope.value=ngModelCtrl.$viewValue};return this}]).directive("rating",["$timeout",function($timeout){return{restrict:"EA",require:["rating","ngModel"],scope:{readonly:"@"},controller:"RatingController",template:'<ul class="rating" ng-keydown="onKeydown($event)">'+"<li ng-repeat=\"r in range track by $index\" ng-click=\"rate($index + 1)\"><i class=\"icon\" ng-class=\"value === undefined ? (r === 1 ? 'ion-ios-star' : (r === 2 ? 'ion-ios-star-half' : 'ion-ios-star-outline')) : (value > $index ? (value < $index+1 ? 'ion-ios-star-half' : 'ion-ios-star') : 'ion-ios-star-outline')\"></i></li>"+"</ul>",replace:true,link:function(scope,element,attrs,ctrls){var ngModelCtrl,ratingCtrl;ratingCtrl=ctrls[0];ngModelCtrl=ctrls[1];if(ngModelCtrl){$timeout(function(){return ratingCtrl.init(ngModelCtrl)})}}}}])})();