/// <summary>
/// Minifies all JavaScript files in a given directory and writes out the
/// minified files to a new file extensions (.min.js for example).
///
/// This method can be integrated into the build process, or as part of an
/// application's startup to always create new minified scripts as needed.
/// Scripts are only minified if the minified files don't already exist and are
/// older than the corresponding JavaScript file.
///
/// A common usage scenario is to call this static method from
/// Application_Start:
///
/// <<code lang="C#">>void Application_Start(object sender,
/// EventArgs e)
/// {
/// // creates minify scripts if don't exist or are changed
/// // NOTE: REQUIRES that IIS/ASP.NET Account has writes to write
/// here!
///
/// Westwind.Web.Controls.JavaScriptMinifier.MinifyDirectory(Server.MapPath("~/
/// scripts"), ".min.js", true);
/// }<</code>>
///
/// to always ensure minified files are in sync with corresponding JavaScript
/// files.
/// <seealso>Class JavaScriptMinifier </seealso>
/// </summary>
/// <param name="path">
/// The path where files are to be minfied
/// </param>
/// <param name="minExtension">
/// The extension for the minified files (ie. .min.js). Include leading dot!
/// </param>
/// <param name="recursive">
/// Determines whether nested directories are also included
/// </param>
/// <remarks>
/// Note that if you use this script from within an ASP.NET application it's
/// best to hook it to a Application_Start or a static constructor so it only
/// fires once.
///
/// When called from ASP.NET this routine REQUIRES that the server account that
/// ASP.NET/IIS AppPool runs under (NETWORK SERVICE by default) has rights to
/// write out the file to the folder specified. Otherwise an exception occurs.
/// </remarks>
public static void MinifyDirectory(string path, string minExtension, bool recursive)
{
JavaScriptMinifier min = new JavaScriptMinifier();
minExtension = minExtension.ToLower();
if (!minExtension.StartsWith("."))
{
minExtension = "." + minExtension;
}
string[] files = null;
try
{
files = Directory.GetFiles(path);
}
catch
{
throw new InvalidOperationException("Invalid or inaccessible path to create Min Scripts in: " + path);
}
try
{
foreach (string file in files)
{
string extension = Path.GetExtension(file).ToLower();
if (extension == ".js" && !file.EndsWith(minExtension))
{
string minFile = file.Replace(".js", minExtension);
DateTime fileAT = File.GetLastWriteTimeUtc(file);
DateTime minFileAT = File.GetLastWriteTimeUtc(minFile);
if (!File.Exists(minFile) || fileAT > minFileAT)
{
min.Minify(file, file.Replace(".js", minExtension));
}
}
}
if (recursive)
{
string[] dirs = Directory.GetDirectories(path);
foreach (string dir in dirs)
{
if (!dir.StartsWith("."))
{
MinifyDirectory(dir, minExtension, true);
}
}
}
}
catch
{
throw new AccessViolationException("Couldn't create Min Scripts in: " + path + ". Make sure ASP.NET has permissions to write in this path.");
}
}
/// <summary>
/// Very basic script optimization to reduce size:
/// Remove any leading white space and any lines starting
/// with //.
/// </summary>
/// <param name="Script"></param>
/// <returns></returns>
public static string OptimizeScript(string Script)
{
JavaScriptMinifier min = new JavaScriptMinifier();
return min.MinifyString(Script);
}
/// <summary>
/// Minifies all JavaScript files in a given directory and writes out the
/// minified files to a new file extensions (.min.js for example).
///
/// This method can be integrated into the build process, or as part of an
/// application's startup to always create new minified scripts as needed.
/// Scripts are only minified if the minified files don't already exist and are
/// older than the corresponding JavaScript file.
///
/// A common usage scenario is to call this static method from
/// Application_Start:
///
/// <<code lang="C#">>void Application_Start(object sender,
/// EventArgs e)
/// {
/// // creates minify scripts if don't exist or are changed
/// // NOTE: REQUIRES that IIS/ASP.NET Account has writes to write
/// here!
///
/// Westwind.Web.Controls.JavaScriptMinifier.MinifyDirectory(Server.MapPath("~/
/// scripts"), ".min.js", true);
/// }<</code>>
///
/// to always ensure minified files are in sync with corresponding JavaScript
/// files.
/// <seealso>Class JavaScriptMinifier </seealso>
/// </summary>
/// <param name="path">
/// The path where files are to be minfied
/// </param>
/// <param name="minExtension">
/// The extension for the minified files (ie. .min.js). Include leading dot!
/// </param>
/// <param name="recursive">
/// Determines whether nested directories are also included
/// </param>
/// <remarks>
/// Note that if you use this script from within an ASP.NET application it's
/// best to hook it to a Application_Start or a static constructor so it only
/// fires once.
///
/// When called from ASP.NET this routine REQUIRES that the server account that
/// ASP.NET/IIS AppPool runs under (NETWORK SERVICE by default) has rights to
/// write out the file to the folder specified. Otherwise an exception occurs.
/// </remarks>
public static void MinifyDirectory(string path, string minExtension, bool recursive)
{
JavaScriptMinifier min = new JavaScriptMinifier();
minExtension = minExtension.ToLower();
if (!minExtension.StartsWith("."))
minExtension = "." + minExtension;
string[] files = null;
try
{
files = Directory.GetFiles(path);
}
catch
{
throw new InvalidOperationException("Invalid or inaccessible path to create Min Scripts in: " + path);
}
try
{
foreach (string file in files)
{
string extension = Path.GetExtension(file).ToLower();
if (extension == ".js" && !file.EndsWith(minExtension))
{
string minFile = file.Replace(".js", minExtension);
DateTime fileAT = File.GetLastWriteTimeUtc(file);
DateTime minFileAT = File.GetLastWriteTimeUtc(minFile);
if (!File.Exists(minFile) || fileAT > minFileAT)
min.Minify(file, file.Replace(".js", minExtension));
}
}
if (recursive)
{
string[] dirs = Directory.GetDirectories(path);
foreach (string dir in dirs)
{
if (!dir.StartsWith("."))
MinifyDirectory(dir, minExtension, true);
}
}
}
catch
{
throw new AccessViolationException("Couldn't create Min Scripts in: " + path + ". Make sure ASP.NET has permissions to write in this path.");
}
}
/// <summary>
/// Very basic script optimization to reduce size:
/// Remove any leading white space and any lines starting
/// with //.
/// </summary>
/// <param name="Script"></param>
/// <returns></returns>
public static string OptimizeScript(string Script)
{
JavaScriptMinifier min = new JavaScriptMinifier();
return(min.MinifyString(Script));
}
