Delays in State Transitions with Angular UI-Router's Nested Views

Currently, I am facing an issue with my parent view that contains a nested view in the middle.

Whenever there is a state change, the nested view seems to lag behind for a moment before loading the next state. It's like the nested view is taking a while to catch up.

For instance, after logging in, the login form remains visible in the middle of the page for a couple of seconds even after the state has changed. While the parent view transitions instantly, the nested view appears to be stuck.

Although I have been meticulous in managing items on the watch list and using one-time binding where applicable, it doesn't seem to resolve this issue. Surprisingly, this problem occurs early on in the application (from login to the main page), and overall application performance is unaffected.

Despite researching extensively online, I haven't found any useful solutions to this dilemma.

If anyone has insights on what might be causing this or suggestions on how to debug it, I would greatly appreciate the input.

Answer №1

It seems like the issue occurs only during the initial transition after loading the app. This could be due to injecting a service into the child view for the first time, causing a delay in instantiation. Services in Angular are singletons, so this delay is noticeable only on the first use.

You can check out a solution provided in this thread where someone faced a similar problem: How to instantiate a service dynamically?.

An alternate approach could be to inject the service into the parent view as well. This way, any lag during app loading will not be experienced during the first transition.

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