As a professional coder, there’s no doubt you’ve encountered some frustrating errors and challenges. One such error that many Angular 6 developers face is the “Uncaught (in promise), Cannot match any routes. URL Segment” error. In this blog post, we’ll delve into the causes of this error, and provide you with a step-by-step solution to fix it, ensuring your Angular 6 app runs smoothly.
Understanding the Error
Before we dive into the solution, let’s first understand the error itself. The “Uncaught (in promise), Cannot match any routes. URL Segment” error usually occurs when there’s an issue with the routing configuration in an Angular 6 app. This error typically arises when the routerLink syntax is incorrect, causing Angular to be unable to match the route configuration to the URL segment.
Now, let’s examine a real-life example to see how this error can manifest in an Angular 6 app.
Example: The Angular 6 App Navigation Error
In the initial code example provided, there’s a simple navigation setup in an Angular 6 app, with a few routerLink instances. Upon running the app and clicking on the “About us” link, the dreaded “Uncaught (in promise), Cannot match any routes. URL Segment” error appears.
After analyzing the code, it’s clear that the routerLink syntax is the primary cause of the issue. To fix the error, the routerLink syntax should be updated as follows: Replace
routerLink="/about" in the HTML file.
With this change, the error should no longer appear, and the navigation should function as expected. However, there are a few more adjustments that can be made to improve the overall structure and functionality of the code.
Additional Fixes and Enhancements
Beyond the primary routerLink syntax issue, there are several other improvements that can be made to the code:
- Update the template syntax for the
ulelement in the HTML file.
- Add a
<router-outlet></router-outlet>to the template or a parent component.
- Export the RouterModule from AppRoutingModule and add it to the exports array.
By making these additional enhancements, your Angular 6 app’s routing configuration should be more robust and efficient.
Dealing with errors in your Angular 6 app can be a frustrating experience, but understanding the root cause and applying the correct solutions can make all the difference. By fixing the routerLink syntax and implementing the additional enhancements mentioned above, you can ensure that your app runs smoothly and free from the “Uncaught (in promise), Cannot match any routes. URL Segment” error.
Remember, as a professional coder, it’s essential to always be open to learning and improving your skills. Errors like these are part of the journey and provide valuable opportunities for growth. Keep on coding, and good luck with your future projects!