public override string MinifyFile(string fileContents, ClientDependencyType type)
{
switch (type)
{
case ClientDependencyType.Css:
return(this.MinifyCss ? CssHelper.MinifyCss(fileContents) : fileContents);
case ClientDependencyType.Javascript:
{
if (!this.MinifyJs)
{
return(fileContents);
}
using (var ms = new MemoryStream())
using (var writer = new StreamWriter(ms))
{
writer.Write(fileContents);
writer.Flush();
return(JSMin.CompressJS(ms));
}
}
default:
return(fileContents);
}
}
public void JsMinify_Handles_Regex()
{
var script1 = @"b.prototype._normalizeURL=function(a){return/^https?:\/\//.test(a)||(a=""http://""+a),a}";
var script2 = @"var ex = + /w$/.test(resizing),
ey = +/^ n /.test(resizing); ";
var script3 = @"return /["",\n]/.test(text)
? ""\"""" + text.replace(/\"" / g, ""\""\"""") + ""\""""
: text; ";
var minifier = new JSMin();
//Act
var output1 = minifier.Minify(script1);
Assert.AreEqual("" + script1, output1);
var output2 = minifier.Minify(script2);
Assert.AreEqual("" + @"var ex=+/w$/.test(resizing),ey=+/^ n /.test(resizing);", output2);
var output3 = minifier.Minify(script3);
Assert.AreEqual("" + @"return /["",\n]/.test(text)?""\""""+text.replace(/\"" /g,""\""\"""")+""\"""":text;", output3);
}
public override string MinifyFile(Stream fileStream, ClientDependencyType type)
{
Func <Stream, string> streamToString = stream =>
{
if (!stream.CanRead)
{
throw new InvalidOperationException("Cannot read input stream");
}
if (stream.CanSeek)
{
stream.Position = 0;
}
var reader = new StreamReader(stream);
return(reader.ReadToEnd());
};
switch (type)
{
case ClientDependencyType.Css:
return(this.MinifyCss ? CssHelper.MinifyCss(fileStream) : streamToString(fileStream));
case ClientDependencyType.Javascript:
return(this.MinifyJs ? JSMin.CompressJS(fileStream) : streamToString(fileStream));
default:
return(streamToString(fileStream));
}
}
public void JsMinify_Minify()
{
//Arrange
var script =
@"var Messaging = {
GetMessage: function(callback) {
$.ajax({
type: ""POST"",
url: ""/Services/MessageService.asmx/HelloWorld"",
data: ""{}"",
contentType: ""application/json; charset=utf-8"",
dataType: ""json"",
success: function(msg) {
callback.apply(this, [msg.d]);
}
});
}
var blah = 1;
blah++;
blah = blah + 2;
var newBlah = ++blah;
newBlah += 234 +4;
};";
var minifier = new JSMin();
//Act
var output = minifier.Minify(script);
Assert.AreEqual(
"var Messaging={GetMessage:function(callback){$.ajax({type:\"POST\",url:\"/Services/MessageService.asmx/HelloWorld\",data:\"{}\",contentType:\"application/json; charset=utf-8\",dataType:\"json\",success:function(msg){callback.apply(this,[msg.d]);}});}\nvar blah=1;blah++;blah=blah+2;var newBlah=++blah;newBlah+=234+4;};",
output);
}
/// <summary>
/// Minify the result if in release mode
/// </summary>
/// <param name="filterContext"></param>
public override void OnResultExecuting(ResultExecutingContext filterContext)
{
base.OnResultExecuting(filterContext);
if (filterContext.Result == null)
{
return;
}
var jsResult = filterContext.Result as JavaScriptResult;
if (jsResult == null)
{
return;
}
if (filterContext.HttpContext.IsDebuggingEnabled)
{
return;
}
//minify the result
var result = jsResult.Script;
var minifier = new JSMin();
var minified = minifier.Minify(result);
jsResult.Script = minified;
}
public static string ScriptMinify(string script)
{
string openTag, jsContent;
int si, ei;
si = script.IndexOf(S_TAG, 0, StringComparison.OrdinalIgnoreCase);
if (si == -1)
{
return(script);
}
ei = script.IndexOf(">", si);
if (ei == -1)
{
return(script);
}
openTag = script.Substring(0, ei);
si = script.IndexOf(E_TAG, ei, StringComparison.OrdinalIgnoreCase);
if (si == -1)
{
return(script);
}
ei++;
IMinify min = new JSMin();
jsContent = min.Minify(script.Substring(ei, si - ei));
return(string.Concat(openTag, jsContent, script.Substring(si)));
}
public void JsMinify_TypeScript_Enum()
{
var script = @"$(""#TenderListType"").val(1 /* Calendar */.toString());";
var minifier = new JSMin();
var output = minifier.Minify(script);
Assert.AreEqual("$(\"#TenderListType\").val(1..toString());", output);
}
public void JsMinify_Escaped_Quotes_In_String_Literal()
{
var script = "var asdf=\"Some string\\\'s with \\\"quotes\\\" in them\"";
var minifier = new JSMin();
//Act
var output = minifier.Minify(script);
Assert.AreEqual("var asdf=\"Some string\\\'s with \\\"quotes\\\" in them\"", output);
}
/// <summary>
/// Minifies the file
/// </summary>
/// <param name="fileContents"></param>
/// <param name="type"></param>
/// <returns></returns>
public virtual string MinifyFile(string fileContents, ClientDependencyType type)
{
switch (type)
{
case ClientDependencyType.Css:
return(EnableCssMinify ? CssHelper.MinifyCss(fileContents) : fileContents);
case ClientDependencyType.Javascript:
return(EnableJsMinify ? JSMin.CompressJS(fileContents) : fileContents);
default:
return(fileContents);
}
}
/// <summary>
/// Minifies the file
/// </summary>
/// <param name="fileStream"></param>
/// <param name="type"></param>
/// <returns></returns>
public virtual string MinifyFile(Stream fileStream, ClientDependencyType type)
{
switch (type)
{
case ClientDependencyType.Css:
return(EnableCssMinify ? CssHelper.MinifyCss(fileStream) : StreamToString(fileStream));
case ClientDependencyType.Javascript:
return(EnableJsMinify ? JSMin.CompressJS(fileStream) : StreamToString(fileStream));
default:
return(StreamToString(fileStream));
}
}
protected override string MinifyFile(string fileContents, ClientDependencyType type)
{
switch (type)
{
case ClientDependencyType.Css:
return(MinifyCss ? CssMin.CompressCSS(fileContents) : fileContents);
case ClientDependencyType.Javascript:
return(MinifyJs ? JSMin.CompressJS(fileContents) : fileContents);
default:
return(fileContents);
}
}
public void JsMinify_Backslash_Line_Escapes()
{
var script = @"function Test() {
jQuery(this).append('<div>\
<div>\
<a href=""http://google.com"" /></a>\
</div>\
</div>');
}";
var minifier = new JSMin();
//Act
var output = minifier.Minify(script);
//Assert
Assert.AreEqual("function Test(){jQuery(this).append('<div> <div> <a href=\"http://google.com\" /></a> </div> </div>');}", output);
}
/// <summary>
/// Minifies the file
/// </summary>
/// <param name="fileStream"></param>
/// <param name="type"></param>
/// <returns></returns>
public virtual string MinifyFile(Stream fileStream, ClientDependencyType type)
{
Func <Stream, string> streamToString = stream =>
{
var reader = new StreamReader(stream);
return(reader.ReadToEnd());
};
switch (type)
{
case ClientDependencyType.Css:
return(EnableCssMinify ? CssHelper.MinifyCss(fileStream) : streamToString(fileStream));
case ClientDependencyType.Javascript:
return(EnableJsMinify ? JSMin.CompressJS(fileStream) : streamToString(fileStream));
default:
return(streamToString(fileStream));
}
}
public void JsMinify_Minify_With_Unary_Operator()
{
//see: http://clientdependency.codeplex.com/workitem/13162
//Arrange
var script =
@"var c = {};
var c.name = 0;
var i = 1;
c.name=i+ +new Date;
alert(c.name);";
var minifier = new JSMin();
//Act
var output = minifier.Minify(script);
//Assert
Assert.AreEqual("var c={};var c.name=0;var i=1;c.name=i+ +new Date;alert(c.name);", output);
}
public static string HtmlTidy(string html,
bool minifyHtml = true,
bool minifyJs = true,
bool minifyCss = true,
bool optimizeJsPostion = true,
bool optimizeCssPostion = true)
{
//return html;
const string SCRIPT_TAG_START = "<script";
const string SCRIPT_TAG_END = "</script>";
const string STYLE_TAG_START = "<style";
const string STYLE_TAG_END = "</style>";
const string HEAD_TAG_END = "</head>";
const string BODY_TAG_END = "</body>";
int startLength = STYLE_TAG_START.Length;
int endLength = SCRIPT_TAG_END.Length;
int startIdx, endIdx, offset = 0;
int headIdx = html.IndexOf(HEAD_TAG_END, StringComparison.OrdinalIgnoreCase);
int bodyEndIdx = -1;
string scriptStr = "";
List <CodeItem> lsParts = new List <CodeItem>();
List <CodeItem> lsResult = new List <CodeItem>();
int close, endblock;
/*Javascript*/
while ((startIdx = html.IndexOf(SCRIPT_TAG_START, offset, StringComparison.OrdinalIgnoreCase)) != -1)
{
if ((endIdx = html.IndexOf(SCRIPT_TAG_END, startIdx + startLength, StringComparison.OrdinalIgnoreCase)) == -1)
{
break;
}
lsParts.Add(CodeItem.NewItem(CodeType.Html, "", html.Substring(offset, startIdx - offset), "", offset, startIdx));
scriptStr = html.Substring(startIdx, endIdx + endLength - startIdx);
close = scriptStr.IndexOf('>');
if (close != -1)
{
endblock = endIdx - startIdx;
lsParts.Add(CodeItem.NewItem(CodeType.Js,
scriptStr.Substring(0, close + 1),
scriptStr.Substring(close + 1, endblock - (close + 1)),
scriptStr.Substring(endblock),
startIdx,
endIdx + endLength
));
}
offset = endIdx + endLength;
}
//if ((endIdx = html.IndexOf(BODY_TAG_END, offset, StringComparison.OrdinalIgnoreCase)) != -1)
//{
// bodyEndIdx = endIdx;
// lsParts.Add(CodeItem.NewItem(CodeType.Html, "", html.Substring(offset, endIdx - offset), "", offset, endIdx));
// lsParts.Add(CodeItem.NewItem(CodeType.Html, "", html.Substring(endIdx), "", endIdx, html.Length - 1)); //tail
//}
//else
//{
lsParts.Add(CodeItem.NewItem(CodeType.Html, "", html.Substring(offset), "", offset, html.Length - 1));
//}
startLength = STYLE_TAG_START.Length;
endLength = STYLE_TAG_END.Length;
int i;
for (i = 0; i < lsParts.Count; i++)
{
var code = lsParts[i];
if (code.ItemType == CodeType.Js)
{
lsResult.Add(code);
}
else
{
offset = 0;
while ((startIdx = code.Content.IndexOf(STYLE_TAG_START, offset, StringComparison.OrdinalIgnoreCase)) != -1)
{
if ((endIdx = code.Content.IndexOf(STYLE_TAG_END, startIdx + startLength, StringComparison.OrdinalIgnoreCase)) == -1)
{
break;
}
lsResult.Add(CodeItem.NewItem(CodeType.Html, "", code.Content.Substring(offset, startIdx - offset), "", code.StartIndex + offset, code.StartIndex + startIdx));
scriptStr = code.Content.Substring(startIdx, endIdx + endLength - startIdx);
close = scriptStr.IndexOf('>');
if (close != -1)
{
endblock = endIdx - startIdx;
lsResult.Add(CodeItem.NewItem(CodeType.Css,
scriptStr.Substring(0, close + 1),
scriptStr.Substring(close + 1, endblock - (close + 1)),
scriptStr.Substring(endblock),
code.StartIndex + startIdx,
code.StartIndex + (endIdx + endLength)
));
}
offset = endIdx + endLength;
}
lsResult.Add(CodeItem.NewItem(CodeType.Html, "", code.Content.Substring(offset), "", code.StartIndex + offset, code.StartIndex + code.Content.Length - 1));
}
}
if (headIdx == -1 || bodyEndIdx == -1)
{
optimizeCssPostion = optimizeJsPostion = false;
}
StringBuilder sb = new StringBuilder();
HTMLMin _htmlMin = new HTMLMin();
CSSMin _cssMin = new CSSMin();
JSMin _jsMin = new JSMin();
for (i = 0; i < lsResult.Count; i++)
{
var code = lsResult[i];
if (code.ItemType == CodeType.Html)
{
if (minifyHtml)
{
code.Content = _htmlMin.Minify(code.Content);
}
}
else if (code.ItemType == CodeType.Js)
{
if (minifyJs)
{
code.Content = _jsMin.Minify(code.Content);
}
}
if (code.ItemType == CodeType.Css)
{
if (minifyCss)
{
code.Content = _cssMin.Minify(code.Content);
}
}
//sb.Append("<hr>");
//sb.AppendFormat("tt: {0} ({1}-{2})", i, code.StartIndex, code.EndIndex);
//sb.Append("<hr>");
sb.Append(code.OpenTag);
sb.Append(code.Content);
sb.Append(code.CloseTag);
}
return(sb.ToString());
}
public static string JsMinify(string rawJs)
{
IMinify min = new JSMin();
return(min.Minify(rawJs));
}
