watch command changes file names about roots HOT 3 OPEN

So multipass compilation is a fairly complex process with very specific rules. You can see a breakdown of these rules here. Based on what you have here, I'd guess that you are using a compiler that processes .js files, which is why you are getting this result. If we change the rules around for multipass it would break many other situations, so I'm afraid we can't change this.

What I would recommend is changing the filename to compiled-min.js. Since you have roots set to process .js files, it's going to take any js file you have in your project and run it through. Most people use roots with coffee or without processing js at all, so this problem hasn't come up in the past.

What we could do from our end is to add an option to pass in a glob matcher that forces files to be copied instead of compiled regardless of the extension. So you could pass an option to app.coffee like forceCopy: 'assets/vendor/**'. If there is enough demand for this or if someone wants to submit a PR, we could definitely make it happen!

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The rules makes sense. The file in question is a file from an external library managed through bower. So I am not able to change the name of the file without losing consistency.
It is bad naming convention from the library supplier, but it is quite common (also there is no file without the extra dot in the package)

forceCopy would work as external lib files usually does not need to be compiled.

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Any interest in taking a stab at contributing forceCopy? It might be a good spot to jump in to the codebase, and I'd be happy to help. Otherwise I can make it happen eventually, but it might be a bit since I have a lot on my plate at the moment, and it's not an issue affecting my company at the moment, so it's hard to get these things to the top of the priorities list.

from roots.