Windows 10 non existent folders causes onchange to fail

[alex-page]

When running onchange in windows 10 I can get the function to work when I have the app directory:
onchange \"app/**/*.js\" -- npm test

However it doesn't work when I have the app directory but not the test directory:
onchange \"app/**/*.js\" \"test/**/*.js\" -- npm test

There seems to be an issue with non existent folders when using onchange on Windows 10.

[blakeembrey]

Have you tried single quotes? I don't use Window personally, but I know there's some oddities. On another note, I'd just recommend combining them in a glob pattern: {app,test}/**/*.js.

[alex-page]

I did try single quotes, that doesn't work at all. There is documentation about the quotes in the readme.md:

NOTE: Windows users may need to use double quotes rather than single quotes. If used in an npm script, remember to escape the double quotes.

I am not sure if I can combine them in a glob pattern like you recommend as my actual code looks more like this:
"watch:sass": "npm run build && onchange \"src/sass/*.scss\" \"tests/docs/*.scss\" -- npm run build"

Noting that I have files that match this pattern src/sass/*.scss and do not have the tests directory.

[blakeembrey]

You can do {src/sass,tests/docs}/*.scss instead. Seems like an odd issue, hopefully someone else can come along to provide more light on the issue.

[blakeembrey]

Oh, I misread the issue too - this is specifically when starting the command and the directory doesn't exist? What's the error? This looks like something we should log in chokidar.

[blakeembrey]

Does this sound related: paulmillr/chokidar#346?

[alex-page]

It's definitely that issue cheers mate.

[blakeembrey]

Ok, so you can do onchange --poll to enable polling. Does that improve things?

[alex-page]

I did try --poll but it still failed silently in windows when the directory doesn't exist.

For instance I made changes in src/sass/*.scss and even with --poll on it refused to refresh if the tests directory was non existent.

[alex-page]

I'm going to close this issue as it's related to chokidar.