public static string Minify(string js)
{
JSMinify jsMinify = new JSMinify();
StringBuilder sb = new StringBuilder();
using (jsMinify.sr = new StringReader(js))
{
using (jsMinify.sw = new StringWriter(sb))
{
jsMinify.jsmin();
}
}
return(sb.ToString());
}
public void Index(string name, string version, string condition)
{
HttpResponseBase response = Response;
WebResourcesSection section = ConfigurationManager.GetSection(AreaHelpers.GetAreaName(this.RouteData));
if (section == null)
{
throw new HttpException(500, "Unable to find the web resource configuration.");
}
ReferenceElement settings = section.References[name];
if (settings == null)
{
throw new HttpException(500, string.Format("Unable to find any matching web resource settings for {0}.", name));
}
Condition conditionInfo = new Condition
{
If = condition ?? string.Empty
};
// filter the files based on the condition (Action / If) passed in
IList <FileInfoElement> files = new List <FileInfoElement>();
foreach (FileInfoElement fileInfo in settings.Files)
{
if (fileInfo.If.Equals(conditionInfo.If))
{
files.Add(fileInfo);
}
}
// Ooutput Type
response.ContentType = settings.MimeType;
Stream output = response.OutputStream;
// Compress
if (section.Compress)
{
string acceptEncoding = Request.Headers["Accept-Encoding"];
if (!string.IsNullOrEmpty(acceptEncoding))
{
acceptEncoding = acceptEncoding.ToLowerInvariant();
if (acceptEncoding.Contains("gzip"))
{
response.AddHeader("Content-encoding", "gzip");
output = new GZipStream(output, CompressionMode.Compress);
}
else if (acceptEncoding.Contains("deflate"))
{
response.AddHeader("Content-encoding", "deflate");
output = new DeflateStream(output, CompressionMode.Compress);
}
}
}
// Combine
using (StreamWriter sw = new StreamWriter(output))
{
foreach (FileInfoElement fileInfo in files)
{
string content = System.IO.File.ReadAllText(Server.MapPath(fileInfo.Filename));
switch (settings.MimeType)
{
case "text/css":
content = CSSMinify.Minify(Url, fileInfo.Filename, Request.Url.AbsolutePath, content);
break;
case "text/x-javascript":
case "text/javascript":
case "text/ecmascript":
if (section.Compact)
{
content = JSMinify.Minify(content);
}
break;
}
sw.WriteLine(content.Trim());
}
}
// Cache
if (section.CacheDuration > 0)
{
DateTime timestamp = HttpContext.Timestamp;
HttpCachePolicyBase cache = response.Cache;
int duration = section.CacheDuration;
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(timestamp.AddSeconds(duration));
cache.SetMaxAge(new TimeSpan(0, 0, duration));
cache.SetValidUntilExpires(true);
cache.SetLastModified(timestamp);
cache.VaryByHeaders["Accept-Encoding"] = true;
cache.VaryByParams["name"] = true;
cache.VaryByParams["version"] = true;
cache.VaryByParams["display"] = true;
cache.VaryByParams["condition"] = true;
cache.SetOmitVaryStar(true);
}
}