Various cleanup

lib/src/compiler.dart

Index: lib/src/compiler.dart
diff --git a/lib/src/compiler.dart b/lib/src/compiler.dart
index c4e66221377248e846dc75c71b91e9bfecb6b240..7b4b11a90d23330f71321cf20a69aab3b6822f08 100644
--- a/lib/src/compiler.dart
+++ b/lib/src/compiler.dart
@@ -277,7 +277,10 @@ class BatchCompiler extends AbstractCompiler {
 
     var loadedLibs = new LinkedHashSet<Uri>();
 
-    var htmlOutDir = path.dirname(getOutputPath(source.uri));
+    // If we're generating code, convert the HTML file as well.

[ochafik, 2016/03/04 23:27:57]

+1 !

+    // Otherwise, just search for Dart sources to analyze.
+    var htmlOutDir =
+        _jsGen != null ? path.dirname(getOutputPath(source.uri)) : null;
     for (var script in scripts) {
       Source scriptSource = null;
       var srcAttr = script.attributes['src'];
@@ -300,12 +303,16 @@ class BatchCompiler extends AbstractCompiler {
       if (scriptSource != null) {
         var lib = context.computeLibraryElement(scriptSource);
         _compileLibrary(lib, notifier);
-        script.replaceWith(_linkLibraries(lib, loadedLibs, from: htmlOutDir));
+        if (htmlOutDir != null) {
+          script.replaceWith(_linkLibraries(lib, loadedLibs, from: htmlOutDir));
+        }
       }
     }
 
-    fileSystem.writeAsStringSync(
-        getOutputPath(source.uri), document.outerHtml + '\n');
+    if (htmlOutDir != null) {
+      fileSystem.writeAsStringSync(
+          getOutputPath(source.uri), document.outerHtml + '\n');
+    }
   }
 
   html.DocumentFragment _linkLibraries(