public static Func <NancyContext, string, Response> AddBundle(string bundlePath, string contentType,
Bundle.MinificationType minificationType, IEnumerable <string> fileEntries)
{
var hash = 0;
var reset = true;
var sync = new object();
List <FileSystemWatcher> monitors = null;
if (bundlePath.StartsWith("/") == false)
{
bundlePath = string.Concat("/", bundlePath);
}
return((context, applicationRootPath) =>
{
var path = context.Request.Path;
if (path.Equals(bundlePath, StringComparison.OrdinalIgnoreCase) == false)
{
context.Trace.TraceLog.WriteLog(x => x.AppendLine(
string.Concat("[BundleConventionBuilder] The requested resource '",
path, "' does not match convention mapped to '", bundlePath, "'")));
return null;
}
if (reset)
{
var files = fileEntries as string[] ?? fileEntries.ToArray();
var old = Interlocked.Exchange(ref hash, Bundle.BuildAssetBundle(files, minificationType, applicationRootPath));
reset = false;
if (old != hash)
{
Bundle.RemoveBundle(old);
}
lock (sync)
{
if (monitors == null)
{
monitors = files
.BuildFileList(applicationRootPath)
.Select(f => Path.Combine(applicationRootPath, f))
.Select(Path.GetDirectoryName)
.Distinct()
.Select(d =>
{
var fw = new FileSystemWatcher(d)
{
IncludeSubdirectories = true, NotifyFilter = NotifyFilters.LastWrite
};
fw.Changed += (sender, args) => reset = true;
fw.EnableRaisingEvents = true;
return fw;
})
.ToList();
}
}
}
return Bundle.ResponseFactory(hash, contentType, context);
});
}
private static void AddBundle(this ICollection <Func <NancyContext, string, Response> > conventions, string requestedPath, string contentType,
Bundle.MinificationType minificationType, IEnumerable <string> files)
{
conventions.Add(BundleConventionBuilder.AddBundle(requestedPath, contentType, minificationType, files));
}