feat($state): refactor code to fit ui-router standarts

Author: Maor Yosef

src/state.js

@@ -1000,20 +1000,26 @@ function $StateProvider(   $urlRouterProvider,   $urlMatcherFactory) {
       // Starting from the root of the path, keep all levels that haven't changed
       var keep = 0, state = toPath[keep], locals = root.locals, toLocals = [];
       var skipTriggerReloadCheck = false;
+
       if (!options.reload) {
         while (state && state === fromPath[keep] && state.ownParams.$$equals(toParams, fromParams)) {
           locals = toLocals[keep] = state.locals;
           keep++;
           state = toPath[keep];
         }
       } else if (isString(options.reload) || isObject(options.reload)) {
-        skipTriggerReloadCheck = true;
-        var stateName = isString(options.reload) ? options.reload : options.reload.name;
-        if (!isDefined(findState(stateName))) {
-          throw new Error("No such state '" + stateName + "'");
+        if (isObject(options.reload) && !options.reload.name) {
+          throw new Error('Invalid reload state object');
+        }
+        
+        var reloadState = options.reload === true ? fromPath[0] : findState(options.reload);
+        if (options.reload && !reloadState) {
+          throw new Error("No such reload state '" + (isString(options.reload) ? options.reload : options.reload.name) + "'");
         }
 
-        while (state && state === fromPath[keep] && state.toString().toLowerCase() !== stateName.toLowerCase()) {
+        skipTriggerReloadCheck = true;
+ 
+        while (state && state === fromPath[keep] && state !== reloadState) {
           locals = toLocals[keep] = state.locals;
           keep++;
           state = toPath[keep];

test/stateSpec.js

@@ -623,7 +623,7 @@ describe('state', function () {
 
       expect(function(){
           $state.reload('logInvalid')}
-        ).toThrow("No such state 'logInvalid'");
+        ).toThrow("No such reload state 'logInvalid'");
     }));
 
     it('should throw an exception for invalid reload state object', inject(function ($state, $q, $timeout, $rootScope, $compile) {
@@ -633,8 +633,12 @@ describe('state', function () {
       expect(log).toBe('logA;logB;logC;');
 
       expect(function(){
-          $state.reload({})}
-        ).toThrow("No such state 'undefined'");
+          $state.reload({foo:'bar'})}
+        ).toThrow("Invalid reload state object");
+
+      expect(function(){
+          $state.reload({name:'invalidState'})}
+        ).toThrow("No such reload state 'invalidState'");
     }));
   });