How to Exclude *.min.js Files

[mslinn]

I'd like to combine multiple unminified .js files, then minify the combined file and place it in the webapps's public/js/main.min.js. I also want to ignore all WebJars JavaScript because those files are already minified.

I tried this:

pipelineStages := Seq(rjs, uglify, digest, gzip)

UglifyKeys.uglifyOps := { js =>
  Seq((js.sortBy(_._2), "main.min.js"))
}

However all .js files, including previously minified .js files, were combined, which takes forever.

I then tried adding this:

excludeFilter in uglify := GlobFilter("*.min.js")

But main.min.js now just contains:

define("main",function(){});
//# sourceMappingURL=main.js.map

Once I get this test project working, I will try it on my production app, which has dozens of JS files in various subdirectories under public/. Hopefully the solution won't require a manual listing of every .js file.

[ibanzai]

Was there any resolution to this?

I have 3rd party Javascript files in the "public/js" directory that are already minified and, additionally, they have copyright info that must not be removed. The Javascript files I do wish to be minified are located in "app/assets/js".

I'm using Play 2.4 and have tried all the following without success:

excludeFilter in uglify := GlobFilter("*.min.js")
excludeFilter in uglify := new SimpleFileFilter(f => f.getPath.startsWith((resourceDirectory in Assets).value.getPath))
excludeFilter in uglify := new FileFilter{ def accept(f: File) = ".*min.*".r.pattern.matcher(f.getAbsolutePath).matches }
excludeFilter in (Assets, JshintKeys.jshint) := new FileFilter{ def accept(f: File) = ".*/vendor/.*".r.pattern.matcher(f.getAbsolutePath).matches }
excludeFilter in (Assets, JshintKeys.jshint) := "*.min.js"

[mslinn]

Crickets

[iadcode]

Perhaps give the following a shot:

excludeFilter in uglify := (excludeFilter in uglify).value || GlobFilter("*.min.js")

This would prevent the default excludeFilter from being blown away.

Edit: fixed typo

[ibanzai]

Thanks, however '+:=' generates an expression error:

error: value +:= is not a member of sbt.SettingKey[sbt.FileFilter]

[iadcode]

My bad, drop the plus.