What does this warning mean? It happens every time I restart the node process

The warning:

(process:3380): GLib-GIO-WARNING **: 12:47:10.778: Unexpectedly, UWP app `HaukeGtze.NotepadEditor_1.795.1.0_x64__6bk20wvc8rfx2' (AUMId `HaukeGtze.NotepadEditor_6bk20wvc8rfx2!notepad') supports 182 extensions but has no verbs

I think the part before the word 'Unexpectedly' is the time, but what does the rest mean?

The last thing I was doing before this started was installing canvas with npm install canvas --save.

So is there a way for me to stop this?

I also noticed it says NotepadEditor there but what does that have to do with anything? It doesn't crash the process, and doesn't seem to affect anything, but it's annoying.
EDIT : it was caused by require('canvas') rather than installing it. So how can I require it without getting the warning?

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