Before You File a Proposal Please Confirm You Have Done The Following...

• I havesearched for related issues and found none that match my proposal.
• I have searched thecurrent rule list and found no rules that match my proposal.
• I haveread the FAQ and my problem is not listed.

My proposal is suitable for this project

• I believe my proposal would be useful to the broader TypeScript community (meaning it is not a niche proposal).

Link to the rule's documentation

https://typescript-eslint.io/rules/no-unnecessary-type-parameters/

Description

Add suggestions with the intended fix.

Fail

functiontoUnknown<T>(x:T):unknown{returnx;}functionwithExtends<Textendsnumber|string>(x:T):unknown{returnMath.random();}

Pass

// replace unconstrained input generic with unknownfunctiontoUnknown(x:unknown):unknown{returnx;}// replace constrained input generic with its constraint typefunctionwithExtends(x:number|string):unknown{returnMath.random();}

Additional Info

There are probably more cases where we could make suggestions, too. These are just the first things that came to mind. I think that adding these suggestions would have high value to help the user understood why the rule is reporting, since this rule is quite subtle