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/prefer-nullish-coalescing/

Description

Followup to#10137 (comment) - in addition to theif (x) case covered by#6309 →#10137, let's also cover theif (x != null) case.

Fail

declareconstcallable:()=>void|null;if(callable!=null){callable();}

Pass

declareconstcallable:()=>void|null;callable?.();

Additional Info

Probably best to consider this blocked on#10137