Comments removed after transforming the AST

[lrabinowicz]

Bug Report

Comments before "}" (close bracket) are removed after transforming the AST for the file. Structure: Block.

Comments after "{" (open bracket) are removed if they are in the same line as the bracket after transforming the AST for the file. Structure: Block

Comments after a "," are removed after transforming the AST for the file.

In this PR there are some fixes but the ones mentioned above still happen:
#17689

🙁 Actual behavior

Comments are removed.

🙂 Expected behavior

Comments should still be there after transforming the AST.

[weswigham]

So, we don't track } and { in the AST, specifically - can you elaborate on what structure those tokens are actually a part of (eg, body of an if, or body of a function)? In some of your screenshots it's not clear.

[RyanCavanaugh]

Duplicate #6982, #8800, etc.

[lrabinowicz]

@weswigham I've updated the description with more information. Let me know if there is anything else I can add :) Thank you!

[typescript-bot]

This issue has been marked as a 'Duplicate' and has seen no recent activity. It has been automatically closed for house-keeping purposes.