ASP.Net MVC Bundles and Minification

Question

When moving from development to a production environment I have run into some problems with the way in which my javascript files are being minified. It seems that some do not minify properly, and so I have been looking around to find a way to not minify a specific bundle.

    public static void RegisterBundles(BundleCollection _bundles)
    {
        _bundles.Add(new ScriptBundle("~/bundles/toNotMinify").Include(
            "~/Scripts/xxxxxx.js"
            ));

        _bundles.Add(new ScriptBundle("~/bundles/toMinify").Include(
            "~/Scripts/yyyyy.js"
            ));
        etc..

This is the basic layout in my bundle config class. I want to find a way in which to have all of my bundles minified, apart from the first one. Is this possible? So far the only solution I have found to achieve something similar is to turn off minification globally.

Rudi Visser · Accepted Answer · 2013-02-11 16:23:41Z

13

You have a couple of options, you can either replace your use of ScriptBundle with Bundle as in this example:

_bundles.Add(new Bundle("~/bundles/toNotMinify").Include(
    "~/Scripts/xxxxxx.js"
));

.. or you could disable all transformations on a newly created bundle, like so:

var noMinify = new ScriptBundle("~/bundles/toNotMinify").Include(
    "~/Scripts/xxxxxx.js"
);
noMinify.Transforms.Clear();
_bundles.Add(noMinify);

Obviously the first solution is much prettier :)

answered Feb 11, 2013 at 16:23

Rudi Visser

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8 Comments

amhed Over a year ago

Rudy Sorry! I edited your response by mistake instead of mine (I left some code out by mistake and pressed on "edit" to change it. My bad ;(

Thewads Over a year ago

Thanks. I have tried both these methods, but it still seems to minify it down when building in release mode for some reason

Hao Kung Over a year ago

Rudis soln should work. If you construct a basic Bundle without specifying any transform, it will simply bundle the files as is, so this definitely should not minify your bundle.

stooboo Over a year ago

for file 'x.js' in the bundle ensure that there is NOT a 'x.min.js' file in the folder

Rudi Visser Over a year ago

@stooboo why not? A normal Bundle will only include what it is given.

|

amhed · Accepted Answer · 2013-02-11 16:25:22Z

2

You just have to declare a generic Bundle object and specify the transforms you need:

var dontMinify = new Bundle("~/bundles/toNotMinify").Include(
                                        "~/Scripts/xxxxx.js");
            bundles.Add(dontMinify);

            var minify = new Bundle("~/bundles/toNotMinify").Include(
                "~/Scripts/yyyyyy.js");
            minify.Transforms.Add(new JsMinify());
            bundles.Add(minify);

answered Feb 11, 2013 at 16:25

amhed

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