Cache Busting in MVC local

AppendFileHash.cs

public class AppendFileHash : IBundleTransform
    {
        public void Process(BundleContext context, BundleResponse response)
        {
            foreach (var file in response.Files)
            {
                using (var fs = File.OpenRead(HostingEnvironment.MapPath(file.IncludedVirtualPath)))
                {
                    var hash = new SHA256Managed().ComputeHash(fs);
                    var version = HttpServerUtility.UrlTokenEncode(hash);
                    file.IncludedVirtualPath = string.Concat(file.IncludedVirtualPath, "?hbuster=", version);
                }
            }
        }
    }

ScriptBundle.cs

public class ProductNameScriptBundle : ScriptBundle
    {
        public ProductNameScriptBundle(string virtualPath) : base(virtualPath)
        {
            if (AppEnvironment.IsLocal())
                Transforms.Add(new AppendFileHash());
        }

        public ProductNameScriptBundle(string virtualPath,
            string cdnPath) : base(virtualPath, cdnPath)
        {
            if (AppEnvironment.IsLocal())
                Transforms.Add(new AppendFileHash());
        }
    }

StyleBundle.cs

public class ProductNameStyleBundle : StyleBundle
    {
        public ProductNameStyleBundle(string virtualPath) : base(virtualPath)
        {
            if (AppEnvironment.IsLocal())
                Transforms.Add(new AppendFileHash());
        }

        public ProductNameStyleBundle(string virtualPath,
            string cdnPath) : base(virtualPath, cdnPath)
        {
            if (AppEnvironment.IsLocal())
                Transforms.Add(new AppendFileHash());
        }
    }