chore(): add time/timeEnd console logs

ionic/components/nav/nav-controller.ts

@@ -456,8 +456,11 @@ export class NavController extends Ion {
 
         enteringView.shouldDestroy = false;
         enteringView.shouldCache = false;
-        enteringView.willEnter();
-        leavingView.willLeave();
+
+        if (!opts.preload) {
+          enteringView.willEnter();
+          leavingView.willLeave();
+        }
 
         // set that the new view pushed on the stack is staged to be entering/leaving
         // staged state is important for the transition to find the correct view
@@ -490,8 +493,10 @@ export class NavController extends Ion {
           // dispose any views that shouldn't stay around
           transAnimation.dispose();
 
-          enteringView.didEnter();
-          leavingView.didLeave();
+          if (!opts.preload) {
+            enteringView.didEnter();
+            leavingView.didLeave();
+          }
 
           // all done!
           this._zone.run(() => {
@@ -536,7 +541,9 @@ export class NavController extends Ion {
       provide(NavParams, {useValue: viewCtrl.params})
     ]));
 
+    console.time('loadPage ' + viewCtrl.componentType.name + ': loadIntoLocation');
     this._loader.loadIntoLocation(viewCtrl.componentType, this.elementRef, 'contents', providers).then(componentRef => {
+      console.timeEnd('loadPage ' + viewCtrl.componentType.name + ': loadIntoLocation');
 
       viewCtrl.addDestroy(() => {
         componentRef.dispose();
@@ -555,7 +562,10 @@ export class NavController extends Ion {
 
       let navbarTemplateRef = viewCtrl.getNavbarTemplateRef();
       if (navbarContainerRef && navbarTemplateRef) {
+
+        console.time('loadPage ' + viewCtrl.componentType.name + ': createEmbeddedView');
         let navbarView = navbarContainerRef.createEmbeddedView(navbarTemplateRef);
+        console.timeEnd('loadPage ' + viewCtrl.componentType.name + ': createEmbeddedView');
 
         viewCtrl.addDestroy(() => {
           let index = navbarContainerRef.indexOf(navbarView);

ionic/config/decorators.ts

@@ -118,8 +118,7 @@ export function App(args={}) {
     // get current annotations
     let annotations = Reflect.getMetadata('annotations', cls) || [];
 
-    // default to select <ion-app>
-    args.selector = args.selector || 'ion-app';
+    args.selector = 'ion-app';
 
     // auto add Ionic directives
     args.directives = args.directives ? args.directives.concat(IONIC_DIRECTIVES) : IONIC_DIRECTIVES;
@@ -135,7 +134,10 @@ export function App(args={}) {
     // redefine with added annotations
     Reflect.defineMetadata('annotations', annotations, cls);
 
-    bootstrap(cls, ionicProviders(args.config));
+    console.time('bootstrap');
+    bootstrap(cls, ionicProviders(args.config)).then(() => {
+      console.timeEnd('bootstrap');
+    });
 
     return cls;
   }

scripts/e2e/e2e.template.html

@@ -7,6 +7,14 @@
   <link href="../../../css/ionic.css" rel="stylesheet">
 
   <script>
+    if (!console.time) {
+      console.time = console.log;
+    }
+    if (!console.timeEnd) {
+      console.timeEnd = console.log;
+    }
+    console.time('script init');
+
     if (location.href.indexOf('snapshot=true') > -1) {
       document.documentElement.classList.add('snapshot');
     } else {
@@ -76,7 +84,9 @@
         "rx": "rx"
       }
     })
-    System.import("index").then(function(m) {}, console.error.bind(console));;
+    System.import("index").then(function(m) {}, console.error.bind(console));
+
+    console.timeEnd('script init');
   </script>
 
 </body>