private void Minify(string jsPath)
{
string minifiedPath = null;
if (jsPath.EndsWith(".js", StringComparison.OrdinalIgnoreCase) == false)
{
minifiedPath = jsPath + ".min";
}
else
{
minifiedPath = jsPath.Substring(0, jsPath.Length - 3) + ".min.js";
}
var mapPath = jsPath.Replace(".js", ".min.js") + ".map";
StreamWriter mapWriter = null;
V3SourceMap sourceMap = null;
try
{
var settings = new CodeSettings();
//try
//{
//Be aware that the text encoding should be UTF-8 with no Byte-Order Mark (BOM) written at the beginning.
//V3 source map files that include a BOM will not be read by Chrome
mapWriter = new StreamWriter(mapPath, false, new System.Text.UTF8Encoding(false));
sourceMap = new V3SourceMap(mapWriter);
sourceMap.StartPackage(minifiedPath, mapPath);
// the first argument specifies "file" field in map file.
// the second arugment specifies "//# sourceMappingURL=" in the output (minified js)
settings.SymbolsMap = sourceMap;
//}
//catch (Exception ex)
//{
//}
settings.TermSemicolons = true;
Minifier minifier = new Minifier();
minifier.FileName = jsPath;
var content = minifier.MinifyJavaScript(File.ReadAllText(jsPath), settings);
using (StreamWriter sw = new StreamWriter(minifiedPath))
{
sw.Write(content);
}
}
finally
{
if (sourceMap != null)
{
sourceMap.EndPackage();
sourceMap.Dispose();
}
mapWriter?.Dispose();
}
}
public void SourceMapForMultipleFiles()
{
var assetBuilder = new StringBuilder();
var assets = new[] { "SourceMapForMultipleFiles1.js", "SourceMapForMultipleFiles2.js", "SourceMapForMultipleFiles3.js" };
var currentPath = AppDomain.CurrentDomain.BaseDirectory;
foreach (var asset in assets)
{
assetBuilder.AppendLine("///#source 1 1 " + asset);
var path = Path.Combine(currentPath, "TestData\\JS\\Input\\SourceMap\\" + asset);
assetBuilder.AppendLine(File.ReadAllText(path));
}
var stringBuilder = new StringBuilder();
using (var textWriter = new StringWriter(stringBuilder))
{
var sourceMap = new V3SourceMap(textWriter);
sourceMap.StartPackage("infile.js", "SourceMapForMultipleFiles.js.map");
var uglifyResult = Uglify.Js(assetBuilder.ToString(), "SourceMapForMultipleFiles.js", new CodeSettings
{
SymbolsMap = sourceMap,
SourceMode = JavaScriptSourceMode.Program,
MinifyCode = true,
OutputMode = OutputMode.SingleLine,
StripDebugStatements = false,
LineTerminator = "\r\n"
});
sourceMap.EndPackage();
sourceMap.Dispose();
var code = uglifyResult.Code;
Assert.AreEqual(File.ReadAllText(Path.Combine(currentPath, "TestData\\JS\\Expected\\SourceMap\\SourceMapForMultipleFiles.js")), code);
var builder = stringBuilder.ToString();
Assert.AreEqual(File.ReadAllText(Path.Combine(currentPath, "TestData\\JS\\Expected\\SourceMap\\SourceMapForMultipleFiles.js.map")), builder);
}
}
public void Dispose()
{
_wrapped.Dispose();
}
public override IEnumerable<PvcCore.PvcStream> Execute(IEnumerable<PvcCore.PvcStream> inputStreams)
{
var resultStreams = new List<PvcStream>();
SwitchParser switchParser = null;
if (!String.IsNullOrEmpty(this.commandLineSwitches))
{
switchParser = new SwitchParser();
switchParser.Parse(this.commandLineSwitches);
}
foreach (var inputStream in inputStreams)
{
var dirName = Path.GetDirectoryName(inputStream.StreamName);
var fileName = Path.GetFileNameWithoutExtension(inputStream.StreamName) + ".min" + Path.GetExtension(inputStream.StreamName);
var resultName = Path.Combine(dirName, fileName);
var fileContent = new StreamReader(inputStream).ReadToEnd();
var minifier = new Minifier();
var sourceStream = new MemoryStream();
var outputWriter = new StreamWriter(sourceStream);
if (inputStream.StreamName.EndsWith(".js"))
{
// Currently AjaxMin only supports JS source maps
if (this.generateSourceMaps)
{
var resultMapName = resultName + ".map";
var utf8 = new UTF8Encoding(false);
var mapStream = new MemoryStream();
var mapWriter = new SourcemapStreamWriter(mapStream, utf8);
var sourceMap = new V3SourceMap(mapWriter);
if (sourceMap != null)
{
if (switchParser == null)
{
switchParser = new SwitchParser();
}
switchParser.JSSettings.SymbolsMap = sourceMap;
switchParser.JSSettings.TermSemicolons = true;
sourceMap.StartPackage(resultName, resultMapName);
outputWriter.Write(minifier.MinifyJavaScript(fileContent, switchParser.JSSettings));
sourceMap.EndPackage();
sourceMap.EndFile(outputWriter, "\r\n");
sourceMap.Dispose();
mapWriter.Flush();
resultStreams.Add(new PvcStream(() => mapStream).As(resultMapName));
}
}
else
{
CodeSettings settings = new CodeSettings();
if (switchParser != null) settings = switchParser.JSSettings;
outputWriter.Write(minifier.MinifyJavaScript(fileContent, settings));
}
}
else
{
CssSettings settings = new CssSettings();
if (switchParser != null) settings = switchParser.CssSettings;
outputWriter.Write(minifier.MinifyStyleSheet(fileContent, settings));
}
foreach (var error in minifier.ErrorList)
{
Console.Error.WriteLine(error.ToString());
}
outputWriter.Flush();
resultStreams.Add(new PvcStream(() => sourceStream).As(resultName));
}
return resultStreams;
}
public override IEnumerable <PvcCore.PvcStream> Execute(IEnumerable <PvcCore.PvcStream> inputStreams)
{
var resultStreams = new List <PvcStream>();
SwitchParser switchParser = null;
if (!String.IsNullOrEmpty(this.commandLineSwitches))
{
switchParser = new SwitchParser();
switchParser.Parse(this.commandLineSwitches);
}
foreach (var inputStream in inputStreams)
{
var dirName = Path.GetDirectoryName(inputStream.StreamName);
var fileName = Path.GetFileNameWithoutExtension(inputStream.StreamName) + ".min" + Path.GetExtension(inputStream.StreamName);
var resultName = Path.Combine(dirName, fileName);
var fileContent = new StreamReader(inputStream).ReadToEnd();
var minifier = new Minifier();
var sourceStream = new MemoryStream();
var outputWriter = new StreamWriter(sourceStream);
if (inputStream.StreamName.EndsWith(".js"))
{
// Currently AjaxMin only supports JS source maps
if (this.generateSourceMaps)
{
var resultMapName = resultName + ".map";
var utf8 = new UTF8Encoding(false);
var mapStream = new MemoryStream();
var mapWriter = new SourcemapStreamWriter(mapStream, utf8);
var sourceMap = new V3SourceMap(mapWriter);
if (sourceMap != null)
{
if (switchParser == null)
{
switchParser = new SwitchParser();
}
switchParser.JSSettings.SymbolsMap = sourceMap;
switchParser.JSSettings.TermSemicolons = true;
sourceMap.StartPackage(resultName, resultMapName);
outputWriter.Write(minifier.MinifyJavaScript(fileContent, switchParser.JSSettings));
sourceMap.EndPackage();
sourceMap.EndFile(outputWriter, "\r\n");
sourceMap.Dispose();
mapWriter.Flush();
resultStreams.Add(new PvcStream(() => mapStream).As(resultMapName));
}
}
else
{
CodeSettings settings = new CodeSettings();
if (switchParser != null)
{
settings = switchParser.JSSettings;
}
outputWriter.Write(minifier.MinifyJavaScript(fileContent, settings));
}
}
else
{
CssSettings settings = new CssSettings();
if (switchParser != null)
{
settings = switchParser.CssSettings;
}
outputWriter.Write(minifier.MinifyStyleSheet(fileContent, settings));
}
foreach (var error in minifier.ErrorList)
{
Console.Error.WriteLine(error.ToString());
}
outputWriter.Flush();
resultStreams.Add(new PvcStream(() => sourceStream).As(resultName));
}
return(resultStreams);
}
