VS Code error hi-lighting can offer quite a bit of clutter during code edits with its squiggles and colorization. It is a useful horn but once the problem is noticed it can become a nuisance that even makes it difficult to perceive the text and fix the problem. I don't think this feature was intended to get in the way.
Is there a convenient way to toggle VSCode error hi-lighting on and off without going through settings.json and playing with a bunch of flags?
Conclusion...
Feature does not exist.
Work around is to install and use the
When_File
VSCode extension to mask the error noise with less visible colors when the file has unsaved edits, as clarified below.