I've had VS Code setup to format my code on save for a while now, and I love it!
Recently though I had a few files slip through my auto-formatting and be caught in CI. When I investigated it turns out that my VS Code settings were prevening auto-formatting from running on auto-save.
files.autoSave set to
files.autoSaveDelay set to
300. Which meant
that after 300ms my code would auto-save. However, auto-formatting would only run on manual saves,
not auto-saves triggered by
The fix was pretty simple! I switched from
Now my files get saved anytime I switch to a different window or file, and even better auto-formatting
runs as well!
Here is a snippet from my new config with a comment I left for future me:
// By setting files.autoSave to `onFocusChange` the delay below isn't needed
// We need to use `onFocusChange` (or `onWindowChange`) since auto formatting isn't
// applied when using `afterDelay` :sadnerd:
// "files.autoSaveDelay": 300,
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