diff --git a/bower.json b/bower.json
index 829a510..c403995 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-indeterminate",
-  "version": "1.1.0",
+  "version": "2.0.0",
   "description": "Tri-state indeterminate checkboxes in Angular",
   "main": "dist/angular-indeterminate.js",
   "authors": [
diff --git a/dist/angular-indeterminate.js b/dist/angular-indeterminate.js
deleted file mode 100644
index d052d6e..0000000
--- a/dist/angular-indeterminate.js
+++ /dev/null
@@ -1,80 +0,0 @@
-(function() {
-  (function() {
-    return angular.module('ngIndeterminant', []).directive('indeterminate', function($parse) {
-      return {
-        restrict: 'A',
-        link: function(scope, elem, attrs) {
-          var disabledKey, falseValue, propKey, trueValue;
-          propKey = attrs.indeterminateKey || 'enabled';
-          disabledKey = attrs.indeterminateDisabled || 'adminDisabled';
-          trueValue = true;
-          falseValue = false;
-          if ((attrs.ngTrueValue != null) && (attrs.ngFalseValue != null)) {
-            trueValue = $parse(attrs.ngTrueValue)(scope);
-            falseValue = $parse(attrs.ngFalseValue)(scope);
-          } else if ((attrs.ngTrueValue != null) || (attrs.ngFalseValue != null)) {
-            throw new Error("Must have both ngTrueValue and ngFalseValue set");
-          }
-          scope.$watch((function() {
-            var values;
-            values = scope.$eval(attrs.indeterminate);
-            return values.filter(function(v) {
-              return !v[disabledKey];
-            }).filter(function(v) {
-              return v[propKey] === trueValue;
-            }).length + values.length;
-          }), function() {
-            var enabled, ref, values;
-            values = scope.$eval(attrs.indeterminate).filter(function(v) {
-              return !v[disabledKey];
-            });
-            enabled = values.filter(function(v) {
-              return v[propKey] === trueValue;
-            });
-            elem[0].indeterminate = (0 < (ref = enabled.length) && ref < values.length);
-            if (enabled.length === values.length) {
-              return elem[0].checked = true;
-            } else {
-              return elem[0].checked = false;
-            }
-          });
-          return elem.on('click', function(e) {
-            return scope.$apply(function() {
-              var enabled, i, item, j, len, len1, results, results1, values;
-              values = scope.$eval(attrs.indeterminate).filter(function(v) {
-                return !v[disabledKey];
-              });
-              enabled = values.filter(function(v) {
-                return v[propKey] === trueValue;
-              });
-              if (enabled.length < values.length) {
-                results = [];
-                for (i = 0, len = values.length; i < len; i++) {
-                  item = values[i];
-                  if (!item[disabledKey]) {
-                    results.push(item[propKey] = trueValue);
-                  } else {
-                    results.push(void 0);
-                  }
-                }
-                return results;
-              } else {
-                results1 = [];
-                for (j = 0, len1 = values.length; j < len1; j++) {
-                  item = values[j];
-                  if (!item[disabledKey]) {
-                    results1.push(item[propKey] = falseValue);
-                  } else {
-                    results1.push(void 0);
-                  }
-                }
-                return results1;
-              }
-            });
-          });
-        }
-      };
-    });
-  })();
-
-}).call(this);
diff --git a/gulp-tasks/default.js b/gulp-tasks/default.js
deleted file mode 100644
index 24b1bd4..0000000
--- a/gulp-tasks/default.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var coffee = require('gulp-coffee');
-
-module.exports = function() {
-    return this.gulp.src("src/*.coffee")
-    .pipe(coffee())
-    .pipe(this.gulp.dest("dist"));
-};
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..fd0b5de
--- /dev/null
+++ b/index.js
@@ -0,0 +1,53 @@
+angular.module('ngIndeterminate', [])
+    .directive('indeterminate', ($parse) => {
+        return {
+            restrict: 'AE',
+            link: (scope, elem, attrs) => {
+                let propKey = attrs.indeterminateKey || 'enabled';
+                let disabledKey = attrs.indeterminateDisabled || 'adminDisabled';
+                let trueValue = true;
+                let falseValue = false;
+                if (attrs.ngTrueValue && attrs.ngFalseValue) {
+                    trueValue = $parse(attrs.ngTrueValue)(scope);
+                    falseValue = $parse(attrs.ngFalseValue)(scope);
+                }
+                else if (attrs.ngTrueValue || attrs.ngFalseValue) {
+                    throw new Error('Must have both ngTrueValue and ngFalseValue set');
+                }
+
+                // Watch for changes to the list that comprises the indeterminate checkbox
+                scope.$watch(() => {
+                    const values = scope.$eval(attrs.indeterminate);
+                    return values.filter(v => !v[disabledKey]).filter(v => v[propKey] === trueValue).length + values.length;
+                }, () => {
+                    const values = scope.$eval(attrs.indeterminate).filter(v => !v[disabledKey]);
+                    const enabled = values.filter(v => v[propKey] === trueValue);
+                    elem[0].indeterminate = 0 < enabled.length && enabled.length < values.length;
+                    if (enabled.length === values.length) {
+                        elem[0].checked = true;
+                    } else {
+                        elem[0].checked = false;
+                    }
+                });
+
+                // Update the list when the indeterminate is clicked
+                elem.on('click', (e) => {
+                    scope.$apply(() => {
+                        const values = scope.$eval(attrs.indeterminate).filter(v => !v[disabledKey]);
+                        const enabled = values.filter(v => v[propKey] === trueValue);
+                        let setValue;
+                        if (enabled.length < values.length) {
+                            setValue = trueValue;
+                        } else {
+                            setValue = falseValue;
+                        }
+                        for (let i = 0; i < values.length; i++) {
+                            if (!values[i][disabledKey]) values[i][propKey] = setValue;
+                        }
+                    });
+                });
+            },
+        };
+    });
+
+if (typeof exports !== 'undefined' && typeof module !== 'undefined') module.exports = exports = 'ngIndeterminate';
diff --git a/karma.conf.js b/karma.conf.js
index 58d2c9b..7929a67 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -7,17 +7,23 @@ module.exports = function(config) {
             'node_modules/jquery/dist/jquery.js',
             'node_modules/angular/angular.js',
             'node_modules/angular-mocks/angular-mocks.js',
-            'src/*.coffee',
-            'tests/*.coffee'
+            'index.js',
+            'spec.js'
         ],
         reporters: ['coverage','spec','junit'],
         preprocessors: {
-            'src/*.coffee': ['coverage'],
-            'tests/*.coffee': ['coffee']
+            '*.js': ['coverage', 'babel'],
         },
-        coffeePreprocessor: {
+        babelPreprocessor: {
             options: {
-                sourceMap: true
+                presets: ['es2015'],
+                sourceMap: 'inline'
+            },
+            filename: function (file) {
+                return file.originalPath.replace(/\.js$/, '.es5.js');
+            },
+            sourceFileName: function (file) {
+                return file.originalPath;
             }
         },
         junitReporter: {
@@ -27,12 +33,6 @@ module.exports = function(config) {
         },
         coverageReporter: {
             dir : 'coverage',
-            instrumenters: {
-                ibrik: require('ibrik')
-            },
-            instrumenter: {
-                '**/*.coffee': 'ibrik'
-            },
             reporters: [
                 { type: 'cobertura', subdir: '.'},
                 { type: 'html', subdir: '.' }
diff --git a/package.json b/package.json
index e0382e4..fbc8ecd 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,14 @@
 {
   "name": "angular-indeterminate",
-  "version": "1.1.0",
+  "version": "2.0.0",
   "description": "Tri-state indeterminate checkboxes in Angular",
   "scripts": {
     "test": "gulp unit",
-    "precommit": "echo 'Running pre-commit tasks...'; gulp unit && gulp && git add dist"
+    "precommit": "echo 'Running pre-commit tasks...'; gulp unit"
   },
-  "pre-commit": ["precommit"],
+  "pre-commit": [
+    "precommit"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tjsail33/angular-indeterminate.git"
@@ -28,6 +30,7 @@
   "devDependencies": {
     "angular": "^1.5.8",
     "angular-mocks": "^1.5.8",
+    "babel-preset-es2015": "^6.18.0",
     "gulp": "^3.9.1",
     "gulp-bump": "^2.4.0",
     "gulp-coffee": "^2.3.2",
@@ -37,6 +40,7 @@
     "jasmine": "^2.5.1",
     "jquery": "^3.1.0",
     "karma": "^1.3.0",
+    "karma-babel-preprocessor": "^6.0.1",
     "karma-coffee-preprocessor": "^1.0.1",
     "karma-coverage": "^1.1.1",
     "karma-jasmine": "^1.0.2",
diff --git a/spec.js b/spec.js
new file mode 100644
index 0000000..e8e1c48
--- /dev/null
+++ b/spec.js
@@ -0,0 +1,332 @@
+describe('Indeterminate Checkbox Directive', function() {
+
+    beforeEach(module('ngIndeterminate'));
+
+    beforeEach(inject(function($compile, $rootScope) {
+        this.rootScope = $rootScope;;
+        this.compile = $compile;
+    }));
+
+    it('should create an indeterminate checkbox', function() {
+        const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';;
+        const scope = this.rootScope.$new();;
+        scope.ctrl = {
+            list: [],
+        };
+        const elem = this.compile(html)(scope);;
+        $('body').append(elem);;
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+        scope.ctrl.list.push({ enabled: false });
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+        scope.ctrl.list.push({ enabled: true });
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+        scope.ctrl.list.push({ enabled: true });
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+        scope.ctrl.list[0].enabled = true;
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+    });
+
+    it('should create an indeterminate checkbox with custom indeterminateKey', function() {
+        const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" indeterminate-key="checked" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+        const scope = this.rootScope.$new();
+        scope.ctrl = {
+            list: [],
+        };
+        const elem = this.compile(html)(scope);
+        $('body').append(elem);
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+        scope.ctrl.list.push({ checked: false });
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+        scope.ctrl.list.push({ checked: true });
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+        scope.ctrl.list.push({ checked: true });
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+        scope.ctrl.list[0].checked = true
+        scope.$digest();
+        expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+    });
+
+    describe('custom ngTrueValue and ngFalseValue', function() {
+        it('should throw without ngTrueValue', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-false-value="0" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+                trueValue: 'test',
+            };
+            expect(() => this.compile(html)(scope)).toThrow(new Error("Must have both ngTrueValue and ngFalseValue set"));
+        });
+
+        it('should throw without ngFalseValue', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-true-value="1" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+                trueValue: 'test',
+            };
+            expect(() => this.compile(html)(scope)).toThrow(new Error("Must have both ngTrueValue and ngFalseValue set"));
+        });
+
+        it('should create an indeterminate checkbox', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-true-value="1" ng-false-value="0" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+                trueValue: 'test',
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: 0 });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: 1 });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+            scope.ctrl.list.push({ enabled: 1 });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+            scope.ctrl.list[0].enabled = 1;
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+        });
+
+        it('should handle clicks', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-true-value="\'tv\'" ng-false-value="\'fv\'" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+                trueValue: 'test',
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: 'fv' });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: 'tv' });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+            scope.ctrl.list.push({ enabled: 'tv' });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+            elem.find('.indt').click()
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt')[0].checked).toBeTruthy();
+            expect(scope.ctrl.list[0].enabled).toBe('tv');
+            elem.find('.indt').click();
+            expect(elem.find('.indt')[0].checked).toBeFalsy();
+            expect(scope.ctrl.list[0].enabled).toBe('fv');
+            expect(scope.ctrl.list[1].enabled).toBe('fv');
+            expect(scope.ctrl.list[2].enabled).toBe('fv');
+        });
+    });
+
+    describe('should handle clicks', function() {
+        it('when indeterminate', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeTruthy();
+            scope.ctrl.list.push({ enabled: false });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeFalsy();
+            scope.ctrl.list.push({ enabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+            expect(elem.find('.indt').is(':checked')).toBeFalsy();
+            elem.find('.indt').click()
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(scope.ctrl.list[0].enabled).toBeTruthy();
+            expect(elem.find('.indt').is(':checked')).toBeTruthy();
+        });
+
+        it('when checked', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeTruthy();
+            scope.ctrl.list.push({ enabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeTruthy();
+            scope.ctrl.list.push({ enabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeTruthy();
+            elem.find('.indt').click()
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeFalsy();
+            expect(scope.ctrl.list[0].enabled).toBeFalsy();
+            expect(scope.ctrl.list[1].enabled).toBeFalsy();
+        });
+
+        it('when unchecked', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeTruthy();
+            scope.ctrl.list.push({ enabled: false });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeFalsy();
+            elem.find('.indt').click()
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt').is(':checked')).toBeTruthy();
+            expect(scope.ctrl.list[0].enabled).toBeTruthy();
+            expect(scope.ctrl.list[1].enabled).toBeTruthy();
+        });
+    });
+
+    describe('disabled child', function() {
+
+        it('should handle state', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false, adminDisabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+            scope.ctrl.list[1].enabled = true;
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+        });
+
+        it('should handle click from indeterminate', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false, adminDisabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeTruthy();
+            elem.find('.indt').click()
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt')[0].checked).toBeTruthy();
+            expect(scope.ctrl.list[0].enabled).toBeFalsy();
+            expect(scope.ctrl.list[1].enabled).toBeTruthy();
+            expect(scope.ctrl.list[1].enabled).toBeTruthy();
+        });
+
+        it('should handle click from unchecked', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false, adminDisabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt')[0].checked).toBeFalsy();
+            elem.find('.indt').click()
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt')[0].checked).toBeTruthy();
+            expect(scope.ctrl.list[0].enabled).toBeFalsy();
+            expect(scope.ctrl.list[1].enabled).toBeTruthy();
+            expect(scope.ctrl.list[1].enabled).toBeTruthy();
+        });
+
+        it('should handle click from checked', function() {
+            const html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>';
+            const scope = this.rootScope.$new();
+            scope.ctrl = {
+                list: [],
+            };
+            const elem = this.compile(html)(scope);
+            $('body').append(elem);
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: false, adminDisabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            scope.ctrl.list.push({ enabled: true });
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt')[0].checked).toBeTruthy();
+            elem.find('.indt').click()
+            scope.$digest();
+            expect(elem.find('.indt')[0].indeterminate).toBeFalsy();
+            expect(elem.find('.indt')[0].checked).toBeFalsy();
+            expect(scope.ctrl.list[0].enabled).toBeFalsy();
+            expect(scope.ctrl.list[1].enabled).toBeFalsy();
+            expect(scope.ctrl.list[1].enabled).toBeFalsy();
+        });
+    });
+});
diff --git a/src/angular-indeterminate.coffee b/src/angular-indeterminate.coffee
deleted file mode 100644
index 0f951ab..0000000
--- a/src/angular-indeterminate.coffee
+++ /dev/null
@@ -1,39 +0,0 @@
-do ->
-    angular.module('ngIndeterminant', []).directive 'indeterminate', ($parse) ->
-        return {
-            restrict: 'A'
-            link: (scope, elem, attrs) ->
-                propKey = attrs.indeterminateKey or 'enabled'
-                disabledKey = attrs.indeterminateDisabled or 'adminDisabled'
-                trueValue = true
-                falseValue = false
-                if attrs.ngTrueValue? and attrs.ngFalseValue?
-                    trueValue = $parse(attrs.ngTrueValue)(scope)
-                    falseValue = $parse(attrs.ngFalseValue)(scope)
-                else if attrs.ngTrueValue? or attrs.ngFalseValue?
-                    throw new Error "Must have both ngTrueValue and ngFalseValue set"
-                scope.$watch ( ->
-                    values = scope.$eval(attrs.indeterminate)
-                    values.filter((v) -> not v[disabledKey]).filter((v) -> v[propKey] is trueValue).length + values.length
-                ), ->
-                    values = scope.$eval(attrs.indeterminate).filter((v) -> not v[disabledKey])
-                    enabled = values.filter((v) -> v[propKey] is trueValue)
-                    elem[0].indeterminate = 0 < enabled.length < values.length
-                    if enabled.length is values.length
-                        elem[0].checked = true
-                    else
-                        elem[0].checked = false
-
-                elem.on 'click', (e) ->
-                    scope.$apply ->
-                        values = scope.$eval(attrs.indeterminate).filter((v) -> not v[disabledKey])
-                        enabled = values.filter((v) -> v[propKey] is trueValue)
-                        if enabled.length < values.length
-                            for item in values
-                                if not item[disabledKey]
-                                    item[propKey] = trueValue
-                        else
-                            for item in values
-                                if not item[disabledKey]
-                                    item[propKey] = falseValue
-        }
diff --git a/tests/angular-indeterminate.spec.coffee b/tests/angular-indeterminate.spec.coffee
deleted file mode 100644
index 4625cc6..0000000
--- a/tests/angular-indeterminate.spec.coffee
+++ /dev/null
@@ -1,301 +0,0 @@
-describe 'Indeterminate Checkbox Directive', ->
-
-    beforeEach module 'ngIndeterminant'
-
-    beforeEach inject ($compile,$rootScope) ->
-        @rootScope = $rootScope
-        @compile = $compile
-
-    it 'should create an indeterminate checkbox', ->
-        html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-        scope = @rootScope.$new()
-        scope.ctrl =
-            list: []
-        elem = @compile(html)(scope)
-        $('body').append(elem)
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-        scope.ctrl.list.push { enabled: false }
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-        scope.ctrl.list.push { enabled: true }
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-        scope.ctrl.list.push { enabled: true }
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-        scope.ctrl.list[0].enabled = true
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-
-    it 'should create an indeterminate checkbox with custom indeterminateKey', ->
-        html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" indeterminate-key="checked" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-        scope = @rootScope.$new()
-        scope.ctrl =
-            list: []
-        elem = @compile(html)(scope)
-        $('body').append(elem)
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-        scope.ctrl.list.push { checked: false }
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-        scope.ctrl.list.push { checked: true }
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-        scope.ctrl.list.push { checked: true }
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-        scope.ctrl.list[0].checked = true
-        scope.$digest()
-        expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-
-    describe 'custom ngTrueValue and ngFalseValue', ->
-        it 'should throw without ngTrueValue', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-false-value="0" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-                trueValue: 'test'
-            expect(=> @compile(html)(scope)).toThrow(new Error "Must have both ngTrueValue and ngFalseValue set")
-
-        it 'should throw without ngFalseValue', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-true-value="1" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-                trueValue: 'test'
-            expect(=> @compile(html)(scope)).toThrow(new Error "Must have both ngTrueValue and ngFalseValue set")
-
-        it 'should create an indeterminate checkbox', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-true-value="1" ng-false-value="0" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-                trueValue: 'test'
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: 0 }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: 1 }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-            scope.ctrl.list.push { enabled: 1 }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-            scope.ctrl.list[0].enabled = 1
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-
-        it 'should handle clicks', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" ng-true-value="\'tv\'" ng-false-value="\'fv\'" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" ng-true-value="1" ng-false-value="0" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-                trueValue: 'test'
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: 'fv' }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: 'tv' }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-            scope.ctrl.list.push { enabled: 'tv' }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-            elem.find('.indt').click()
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt')[0].checked).toBeTruthy()
-            expect(scope.ctrl.list[0].enabled).toBe 'tv'
-            elem.find('.indt').click()
-            expect(elem.find('.indt')[0].checked).toBeFalsy()
-            expect(scope.ctrl.list[0].enabled).toBe 'fv'
-            expect(scope.ctrl.list[1].enabled).toBe 'fv'
-            expect(scope.ctrl.list[2].enabled).toBe 'fv'
-
-    describe 'should handle clicks', ->
-        it 'when indeterminate', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeTruthy()
-            scope.ctrl.list.push { enabled: false }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeFalsy()
-            scope.ctrl.list.push { enabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-            expect(elem.find('.indt').is(':checked')).toBeFalsy()
-            elem.find('.indt').click()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(scope.ctrl.list[0].enabled).toBeTruthy()
-            expect(elem.find('.indt').is(':checked')).toBeTruthy()
-
-        it 'when checked', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeTruthy()
-            scope.ctrl.list.push { enabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeTruthy()
-            scope.ctrl.list.push { enabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeTruthy()
-            elem.find('.indt').click()
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeFalsy()
-            expect(scope.ctrl.list[0].enabled).toBeFalsy()
-            expect(scope.ctrl.list[1].enabled).toBeFalsy()
-
-        it 'when unchecked', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeTruthy()
-            scope.ctrl.list.push { enabled: false }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeFalsy()
-            scope.ctrl.list.push { enabled: false }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeFalsy()
-            elem.find('.indt').click()
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt').is(':checked')).toBeTruthy()
-            expect(scope.ctrl.list[0].enabled).toBeTruthy()
-            expect(scope.ctrl.list[1].enabled).toBeTruthy()
-
-    describe 'disabled child', ->
-
-        it 'should handle state', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false, adminDisabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-            scope.ctrl.list[1].enabled = true
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-
-        it 'should handle click from indeterminate', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false, adminDisabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeTruthy()
-            elem.find('.indt').click()
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt')[0].checked).toBeTruthy()
-            expect(scope.ctrl.list[0].enabled).toBeFalsy()
-            expect(scope.ctrl.list[1].enabled).toBeTruthy()
-            expect(scope.ctrl.list[1].enabled).toBeTruthy()
-
-        it 'should handle click from unchecked', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false, adminDisabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt')[0].checked).toBeFalsy()
-            elem.find('.indt').click()
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt')[0].checked).toBeTruthy()
-            expect(scope.ctrl.list[0].enabled).toBeFalsy()
-            expect(scope.ctrl.list[1].enabled).toBeTruthy()
-            expect(scope.ctrl.list[1].enabled).toBeTruthy()
-
-        it 'should handle click from checked', ->
-            html = '<div><input class="indt" type="checkbox" indeterminate="ctrl.list" /><input type="checkbox" ng-repeat="item in ctrl.list" ng-model="item.enabled" /></div>'
-            scope = @rootScope.$new()
-            scope.ctrl =
-                list: []
-            elem = @compile(html)(scope)
-            $('body').append(elem)
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: false, adminDisabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            scope.ctrl.list.push { enabled: true }
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt')[0].checked).toBeTruthy()
-            elem.find('.indt').click()
-            scope.$digest()
-            expect(elem.find('.indt')[0].indeterminate).toBeFalsy()
-            expect(elem.find('.indt')[0].checked).toBeFalsy()
-            expect(scope.ctrl.list[0].enabled).toBeFalsy()
-            expect(scope.ctrl.list[1].enabled).toBeFalsy()
-            expect(scope.ctrl.list[1].enabled).toBeFalsy()