/// <summary>
/// Initializes a new instance of the <see cref="JavaScriptCruncher"/> class.
/// </summary>
/// <param name="options">
/// The options containing instructions for the cruncher.
/// </param>
/// <param name="context">
/// The current context.
/// </param>
public JavaScriptCruncher(CruncherOptions options, HttpContext context)
: base(options)
{
this.context = context;
}
/// <summary>
/// Processes the JavaScript request using cruncher and returns the result.
/// </summary>
/// <param name="context">
/// The current context.
/// </param>
/// <param name="minify">
/// Whether to minify the output.
/// </param>
/// <param name="paths">
/// The paths to the resources to crunch.
/// </param>
/// <returns>
/// The <see cref="string"/> representing the processed result.
/// </returns>
public async Task <string> ProcessJavascriptCrunchAsync(HttpContext context, bool minify, params string[] paths)
{
string combinedJavaScript = string.Empty;
if (paths != null)
{
string key = string.Join(string.Empty, paths).ToMd5Fingerprint();
using (await Locker.LockAsync(key))
{
combinedJavaScript = (string)CacheManager.GetItem(key);
if (string.IsNullOrWhiteSpace(combinedJavaScript))
{
StringBuilder stringBuilder = new StringBuilder();
CruncherOptions cruncherOptions = new CruncherOptions
{
MinifyCacheKey = key,
Minify = minify,
CacheFiles = true,
AllowRemoteFiles = CruncherConfiguration.Instance.AllowRemoteDownloads,
RemoteFileMaxBytes = CruncherConfiguration.Instance.MaxBytes,
RemoteFileTimeout = CruncherConfiguration.Instance.Timeout
};
JavaScriptCruncher javaScriptCruncher = new JavaScriptCruncher(cruncherOptions, context);
// Loop through and process each file.
foreach (string path in paths)
{
// Local files.
if (PreprocessorManager.Instance.AllowedExtensionsRegex.IsMatch(path))
{
List <string> files = new List <string>();
// Try to get the file using absolute/relative path
if (!ResourceHelper.IsResourceFilenameOnly(path))
{
string javaScriptFilePath = ResourceHelper.GetFilePath(
path,
cruncherOptions.RootFolder,
context);
if (File.Exists(javaScriptFilePath))
{
files.Add(javaScriptFilePath);
}
}
else
{
// Get the path from the server.
// Loop through each possible directory.
foreach (string javaScriptFolder in CruncherConfiguration.Instance.JavaScriptPaths)
{
if (!string.IsNullOrWhiteSpace(javaScriptFolder) &&
javaScriptFolder.Trim().StartsWith("~/"))
{
DirectoryInfo directoryInfo =
new DirectoryInfo(context.Server.MapPath(javaScriptFolder));
if (directoryInfo.Exists)
{
files.AddRange(
Directory.GetFiles(
directoryInfo.FullName,
path,
SearchOption.AllDirectories));
}
}
}
}
if (files.Any())
{
// We only want the first file.
string first = files.FirstOrDefault();
cruncherOptions.RootFolder = Path.GetDirectoryName(first);
stringBuilder.Append(await javaScriptCruncher.CrunchAsync(first));
}
}
else
{
// Remote files.
string remoteFile = this.GetUrlFromToken(path).ToString();
stringBuilder.Append(await javaScriptCruncher.CrunchAsync(remoteFile));
}
}
combinedJavaScript = stringBuilder.ToString();
if (minify)
{
// Minify.
combinedJavaScript = javaScriptCruncher.Minify(combinedJavaScript);
}
this.AddItemToCache(key, combinedJavaScript, javaScriptCruncher.FileMonitors);
}
}
}
return(combinedJavaScript);
}
/// <summary>
/// Initializes a new instance of the <see cref="CssCruncher"/> class.
/// </summary>
/// <param name="options">The options containing instructions for the cruncher.</param>
public CssCruncher(CruncherOptions options)
: base(options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CssCruncher"/> class.
/// </summary>
/// <param name="options">
/// The options containing instructions for the cruncher.
/// </param>
/// <param name="context">
/// The current context.
/// </param>
public CssCruncher(CruncherOptions options, HttpContext context)
: base(options)
{
this.context = context;
}
/// <summary>
/// Initializes a new instance of the <see cref="CruncherBase"/> class.
/// </summary>
/// <param name="options">The options containing instructions for the cruncher.</param>
protected CruncherBase(CruncherOptions options)
{
this.Options = options;
this.FileMonitors = new ConcurrentBag <string>();
}
/// <summary>
/// Initializes a new instance of the <see cref="JavaScriptCruncher"/> class.
/// </summary>
/// <param name="options">The options containing instructions for the cruncher.</param>
public JavaScriptCruncher(CruncherOptions options)
: base(options)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CruncherBase"/> class.
/// </summary>
/// <param name="options">The options containing instructions for the cruncher.</param>
protected CruncherBase(CruncherOptions options)
{
this.Options = options;
this.FileMonitors = new List <string>();
}