feat: add [retrieve or check getter function] to/in [fast-router]

[hajo-travanto]

🙋 Feature Request

The Router object currently only supports adding and replacing content, but not listing or checking if a path or name is matching something that has been defined earlier

🤔 Expected Behavior

There could be something like a Route.path/name.check or Route.path/name.list functionality so that it will be possible to check for existing routes when needed

😯 Current Behavior

There is no possibility to read or get data from the Router object

💁 Possible Solution

See expected behavior

🔦 Context

At the moment i am using manually created whitelists to determine which path/name is allowed before linking or even forwarding the URL to it, because sometimes internal links might either be broken, target an unintended area or are not accessible for the active RBAC settings. So it is generally helpful if the active router setup can be checked or validated in some way.

💻 Examples

There is e.g. a forwarding functionality with Route.path.push, but depending on the circumstances and router setup the target URL will vary.

[EisenbergEffect]

@hjp-work Something that would really help would be a kind of code sample. Imagine that the API you want already exists, could you show me a sample bit of code for how you would use it so I can understand the use case better?

[hajo-travanto]

I created an example with a recipe list where some have a special subpage with additional information. It is not completly working, but i hope you are able to get the idea behind it. Otherwise i'll try to improve the example or create another one:

https://stackblitz.com/edit/typescript-ndlduu?file=index.ts