completion function doesn't work correctly

[yimingwangdell]

FAQ

• I have checked the FAQ and it didn't resolve my problem.

Announcement

• I have checked Breaking change announcement.

Minimal reproducible full config

Description

if I want to complete this code:
log.;//this is comments
cursor is after "." character.
after completion, all comments are deleted and replaced by
log.error

Steps to reproduce

if I want to complete this code:
log.;//this is comments
cursor is after "." character.
after completion, all comments are deleted and replaced by
log.error

Expected behavior

comments are not deleted.

Actual behavior

comments are deleted

Additional context

No response