No provider for aspnetcore-spa routing

I'm using the Yeoman aspnetcore-spa template with Angular 2.

There are essentially 3 key files involved:

  • app.module.client.ts
  • app.module.server.ts
  • app.module.shared.ts

I have placed my Service in the providers section of app.module.client.ts and then added my routing in app.module.shared.ts. Initially, everything was working smoothly, and I could navigate without any issues. However, when I attempted to replace redirectTo with my new path, things took a turn.

fail: Microsoft.AspNetCore.NodeService[0] blah bla Uncaught (in promise): Error: No provider for NameService!

The console started throwing errors, particularly when entering the page from localhost:5000, along with some at injectionError.

Changing redirectTo: 'home' seemed to resolve the navigation issue, but enabling { useHash: true } continued to flood the terminal with errors.

Although I attempted using the Router to navigate to my desired page in the HomeComponent ngOnInit() method, the problem persisted when entering the page from localhost:5000. I have yet to explore the option of replacing HomeComponent with my own component.

My main goal is to comprehend the underlying issue. Admittedly, I am relatively new to this specific template, as typically there is only one app.module.ts file. There seems to be some hidden complexity within this template that I am struggling to grasp. Your guidance would be greatly appreciated!

Answer №1

After some exploration, I came up with a solution. This particular template seems to be missing the standard UniversalModule, possibly causing the issue. Although I'm not entirely certain if this is the most optimal fix, here's what worked for me:

  1. In addition to my usual setup in app.module.server.ts, I included my service there as well. My reasoning was that the home page gets rendered on the server first.

  2. I decided to inject ORIGIN_URL into my service. I suspected that I needed to make adjustments similar to app.module.client.ts, so I added

    @Inject('ORIGIN_URL') private _originUrl: string
    to the constructor of my service. When making http requests, I prepend the url with this._originUrl.

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