public static async Tasks.Task CompileAsync(CompilerOptions options, Project project)
{
var tf = new JoinableTaskFactory(Microsoft.VisualStudio.Shell.ThreadHelper.JoinableTaskContext);
await tf.SwitchToMainThreadAsync();
if (options == null || project == null || !LessCatalog.Catalog.TryGetValue(project.UniqueName, out ProjectMap map))
{
return;
}
IEnumerable <CompilerOptions> parents = map.LessFiles
.Where(l => l.Value.Exists(c => c == options))
.Select(l => l.Key)
.Union(new[] { options })
.Distinct();
var sw = new Stopwatch();
sw.Start();
var compilerTaks = new List <Tasks.Task>();
foreach (CompilerOptions parentOptions in parents.Where(p => p.Compile))
{
compilerTaks.Add(CompileSingleFileAsync(parentOptions));
}
await Tasks.Task.WhenAll(compilerTaks);
sw.Stop();
VsHelpers.WriteStatus($"LESS file compiled in {Math.Round(sw.Elapsed.TotalSeconds, 2)} seconds");
}
private static async Tasks.Task <bool> CompileSingleFileAsync(CompilerOptions options)
{
try
{
VsHelpers.CheckFileOutOfSourceControl(options.OutputFilePath);
if (options.SourceMap)
{
VsHelpers.CheckFileOutOfSourceControl(options.OutputFilePath + ".map");
}
CompilerResult result = await NodeProcess.ExecuteProcess(options);
Logger.Log($"{result.Arguments}");
if (result.HasError)
{
Logger.Log(result.Error);
VsHelpers.WriteStatus($"Error compiling LESS file. See Output Window for details");
}
else
{
AddFilesToProject(options);
Minify(options);
}
return(true);
}
catch (Exception ex)
{
Logger.Log(ex);
VsHelpers.WriteStatus($"Error compiling LESS file. See Output Window for details");
return(false);
}
}
public static void Minify(CompilerOptions options)
{
if (!options.Minify || !File.Exists(options.OutputFilePath))
{
return;
}
string cssContent = File.ReadAllText(options.OutputFilePath);
var settings = new CssSettings
{
ColorNames = CssColor.Strict,
CommentMode = CssComment.Important
};
NUglify.UglifyResult result = Uglify.Css(cssContent, settings);
if (result.HasErrors)
{
return;
}
string minFilePath = Path.ChangeExtension(options.OutputFilePath, ".min.css");
VsHelpers.CheckFileOutOfSourceControl(minFilePath);
File.WriteAllText(minFilePath, result.Code, new UTF8Encoding(true));
VsHelpers.AddNestedFile(options.OutputFilePath, minFilePath);
}
private static void AddFilesToProject(CompilerOptions options)
{
Microsoft.VisualStudio.Shell.ThreadHelper.ThrowIfNotOnUIThread();
ProjectItem item = VsHelpers.DTE.Solution.FindProjectItem(options.InputFilePath);
if (item?.ContainingProject != null)
{
if (options.OutputFilePath == Path.ChangeExtension(options.InputFilePath, ".css"))
{
VsHelpers.AddNestedFile(options.InputFilePath, options.OutputFilePath);
}
else
{
VsHelpers.AddFileToProject(item.ContainingProject, options.OutputFilePath);
}
string mapFilePath = Path.ChangeExtension(options.OutputFilePath, ".css.map");
if (File.Exists(mapFilePath))
{
VsHelpers.AddNestedFile(options.OutputFilePath, mapFilePath);
}
}
}
private async void DocumentSaved(object sender, TextDocumentFileActionEventArgs e)
{
if (e.FileActionType != FileActionTypes.ContentSavedToDisk || !_project.IsLessCompilationEnabled())
{
return;
}
if (NodeProcess.IsInstalling)
{
VsHelpers.WriteStatus("The LESS compiler is being installed. Please try again in a few seconds...");
}
else if (NodeProcess.IsReadyToExecute())
{
CompilerOptions options = await CompilerOptions.Parse(e.FilePath, _view.TextBuffer.CurrentSnapshot.GetText());
if (_view.Properties.TryGetProperty(typeof(LessAdornment), out LessAdornment adornment))
{
await adornment.Update(options);
}
if (options == null || !_project.SupportsCompilation() || !_project.IsLessCompilationEnabled())
{
return;
}
await LessCatalog.UpdateFile(_project, options);
if (await LessCatalog.EnsureCatalog(_project))
{
await CompilerService.CompileAsync(options, _project);
}
}
}
public static async Task <CompilerOptions> Parse(string lessFilePath, string lessContent = null)
{
if (!File.Exists(lessFilePath) || ProjectMap.ShouldIgnore(lessFilePath))
{
return(null);
}
lessContent = lessContent ?? await VsHelpers.ReadFileAsync(lessFilePath);
var options = new CompilerOptions(lessFilePath);
// Compile
if (Path.GetFileName(lessFilePath).StartsWith("_", StringComparison.Ordinal) ||
lessContent.IndexOf("no-compile", StringComparison.OrdinalIgnoreCase) > -1)
{
options.Compile = false;
}
// Minify
if (lessContent.IndexOf("no-minify", StringComparison.OrdinalIgnoreCase) > -1)
{
options.Minify = false;
}
// Arguments
Match argsMatch = _regex.Match(lessContent, 0, Math.Min(500, lessContent.Length));
if (argsMatch.Success)
{
string inFile = Path.GetFileName(options.InputFilePath);
options.Arguments = $"\"{inFile}\" {argsMatch.Groups["args"].Value.TrimEnd('*', '/').Trim()}";
}
// Source map
options.SourceMap = options.Arguments.IndexOf("--source-map", StringComparison.OrdinalIgnoreCase) > -1;
// OutputFileName
Match outMatch = _outFile.Match(options.Arguments);
if (argsMatch.Success && outMatch.Success)
{
string relative = outMatch.Groups["out"].Value.Replace("/", "\\");
options.OutputFilePath = Path.Combine(Path.GetDirectoryName(lessFilePath), relative);
}
else
{
options.OutputFilePath = Path.ChangeExtension(lessFilePath, ".css");
if (argsMatch.Success)
{
options.Arguments += $" \"{Path.GetFileName(options.OutputFilePath)}\"";
}
}
// Trim the argument list
options.Arguments = options.Arguments.Trim();
return(options);
}
private async Task AddFile(string lessFilePath)
{
if (LessFiles.Keys.Any(c => c.InputFilePath == lessFilePath))
{
return;
}
string lessContent = await VsHelpers.ReadFileAsync(lessFilePath);
CompilerOptions options = await CompilerOptions.Parse(lessFilePath, lessContent);
LessFiles.Add(options, new List <CompilerOptions>());
await AddOption(options, lessContent);
}
public static async Tasks.Task CompileProjectAsync(Project project)
{
if (project == null || !LessCatalog.Catalog.TryGetValue(project.UniqueName, out ProjectMap map))
{
return;
}
var compileTasks = new List <Tasks.Task>();
foreach (CompilerOptions option in map.LessFiles.Keys)
{
if (option.Compile)
{
compileTasks.Add(CompileSingleFile(option));
}
}
await Tasks.Task.WhenAll(compileTasks);
VsHelpers.WriteStatus($"LESS files in solution compiled");
}
private static void AddFilesToProject(CompilerOptions options)
{
ProjectItem item = VsHelpers.DTE.Solution.FindProjectItem(options.InputFilePath);
if (item?.ContainingProject != null)
{
if (options.OutputFilePath == Path.ChangeExtension(options.InputFilePath, ".css"))
{
VsHelpers.AddNestedFile(options.InputFilePath, options.OutputFilePath);
}
else
{
VsHelpers.AddFileToProject(item.ContainingProject, options.OutputFilePath);
}
string mapFilePath = Path.ChangeExtension(options.OutputFilePath, ".css.map");
if (File.Exists(mapFilePath))
{
VsHelpers.AddNestedFile(options.OutputFilePath, mapFilePath);
}
}
}
public static async Tasks.Task CompileProjectAsync(Project project)
{
var tf = new JoinableTaskFactory(Microsoft.VisualStudio.Shell.ThreadHelper.JoinableTaskContext);
await tf.SwitchToMainThreadAsync();
if (project == null || !LessCatalog.Catalog.TryGetValue(project.UniqueName, out ProjectMap map))
{
return;
}
var compileTasks = new List <Tasks.Task>();
foreach (CompilerOptions option in map.LessFiles.Keys)
{
if (option.Compile)
{
compileTasks.Add(CompileSingleFileAsync(option));
}
}
await Tasks.Task.WhenAll(compileTasks);
VsHelpers.WriteStatus($"LESS files in solution compiled");
}