public string GenerateSourceMap(string fileName, string content, Action<SourceMapBuilder> before = null)
{
if (AssemblyInfo.SourceMap.Enabled)
{
var projectPath = Path.GetDirectoryName(Location);
SourceMapGenerator.Generate(fileName, projectPath, ref content,
before,
(sourceRelativePath) =>
{
string path = null;
ParsedSourceFile sourceFile = null;
try
{
path = Path.Combine(projectPath, sourceRelativePath);
sourceFile = ParsedSourceFiles.First(pf => pf.ParsedFile.FileName == path);
return sourceFile.SyntaxTree.TextSource ?? sourceFile.SyntaxTree.ToString(GetFormatter());
}
catch (Exception ex)
{
throw (TranslatorException)TranslatorException.Create(
"Could not get ParsedSourceFile for SourceMap. Exception: {0}; projectPath: {1}; sourceRelativePath: {2}; path: {3}.",
ex.ToString(), projectPath, sourceRelativePath, path);
}
},
new string[0], SourceFiles, AssemblyInfo.SourceMap.Eol
);
}
return content;
}
public static void Generate(string scriptFileName, string basePath, ref string content, Action <SourceMapBuilder> beforeGenerate, Func <string, string> sourceContent, string[] names, IList <string> sourceFiles, UnicodeNewline?forceEols)
{
var fileName = Path.GetFileName(scriptFileName);
var generator = new SourceMapGenerator(fileName, "", basePath, forceEols);
StringLocation location = null;
string script = content;
int offset = 0;
content = tokenRegex.Replace(content, match =>
{
location = LocationFromPos(script, match.Index, location, ref offset);
offset += match.Length;
var sourceLine = int.Parse(match.Groups[2].Value);
var sourceCol = int.Parse(match.Groups[3].Value);
var sourcePath = sourceFiles[int.Parse(match.Groups[1].Value)];
generator.RecordLocation(location.Line, location.Column, sourcePath, sourceLine, sourceCol);
return("");
});
var sources = generator.SourceMapBuilder.SourceUrlList;
List <string> contents = new List <string>();
foreach (var source in sources)
{
contents.Add(sourceContent(source));
}
// Chrome handles it very strange, need more investigate
//generator._sourceMapBuilder.SourceNameList.AddRange(names);
beforeGenerate?.Invoke(generator.SourceMapBuilder);
var map = generator.GetSourceMap(contents.ToArray());
Logger.ZLogTrace("Generated source map for {0}", scriptFileName);
var encoded = "//# sourceMappingURL=data:application/json;base64," + Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(map));
content = content + Emitter.NEW_LINE + encoded + Emitter.NEW_LINE;
}