Builds / serves multiple HTML files.

lib/src/server/server.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Development server that compiles Dart to JS on the fly.
 library dev_compiler.src.server;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
@@ skipping 19 matching lines @@
 import '../info.dart'
     show AnalyzerMessage, CheckerResults, LibraryInfo, LibraryUnit;
 import '../options.dart';
 import '../report.dart';
 import '../utils.dart';
 
 import 'dependency_graph.dart';
 
 /// Encapsulates the logic when the compiler is run as a development server.
 class ServerCompiler extends AbstractCompiler {
-  final SourceNode _entryNode;
+  SourceNode _entryNode;
   List<LibraryInfo> _libraries = <LibraryInfo>[];
   final _generators = <CodeGenerator>[];
   bool _hashing;
   bool _failure = false;
 
   factory ServerCompiler(AnalysisContext context, CompilerOptions options,
       {AnalysisErrorListener reporter}) {
     var srcOpts = options.sourceOptions;
-    var inputFile = options.inputs[0];
-    var inputUri =
+    var inputFiles = options.inputs;
+    var inputUris = inputFiles.map((String inputFile) =>
         inputFile.startsWith('dart:') || inputFile.startsWith('package:')
             ? Uri.parse(inputFile)
             : new Uri.file(path.absolute(srcOpts.useImplicitHtml
                 ? SourceResolverOptions.implicitHtmlFile
-                : inputFile));
+                : inputFile)));
     var graph = new SourceGraph(context, reporter, options);
-    var entryNode = graph.nodeFromUri(inputUri);
+    var entryNodes = inputUris.map((inputUri) => graph.nodeFromUri(inputUri));
 
-    return new ServerCompiler._(context, options, reporter, entryNode);
+    return new ServerCompiler._(context, options, reporter, graph, entryNodes);
   }
 
-  ServerCompiler._(AnalysisContext context, CompilerOptions options,
-      AnalysisErrorListener reporter, this._entryNode)
+  ServerCompiler._(
+      AnalysisContext context,
+      CompilerOptions options,
+      AnalysisErrorListener reporter,
+      SourceGraph graph,
+      List<SourceNode> entryNodes)
       : super(context, options, reporter) {
+    _entryNode = entryNodes.length == 1
+        ? entryNodes.first
+        : new EntryNode(graph, new Uri.file(inputBaseDir), entryNodes);
+
     if (outputDir != null) {
       _generators.add(new JSGenerator(this));
     }
     // TODO(sigmund): refactor to support hashing of the dart output?
     _hashing = options.enableHashing && _generators.length == 1;
   }
 
-  Uri get entryPointUri => _entryNode.uri;
-
   CheckerResults run() {
     var clock = new Stopwatch()..start();
 
     // TODO(sigmund): we are missing a couple failures here. The
     // dependency_graph now detects broken imports or unsupported features
     // like more than one script tag (see .severe messages in
     // dependency_graph.dart). Such failures should be reported back
     // here so we can mark failure=true in the CheckerResults.
     rebuild(_entryNode, _buildSource);
     _dumpInfoIfRequested();
@@ skipping 22 matching lines @@
   }
 
   void _buildHtmlFile(HtmlSourceNode node) {
     if (outputDir == null) return;
     var output = generateEntryHtml(node, this);
     if (output == null) {
       _failure = true;
       return;
     }
 
-    var filename = path.basename(node.uri.path);
-    String outputFile = path.join(outputDir, filename);
-    new File(outputFile).writeAsStringSync(output);
+    var filepath =
+        resourceOutputPath(node.uri, _entryNode.uri, options.runtimeDir);
+    String outputFile = path.join(outputDir, filepath);
+    var file = new File(outputFile)..createSync(recursive: true);
+    file.writeAsStringSync(output);

[Jennifer Messerly, 2016/01/29 16:49:49]

same comment, it'd be nice to go all in on the cascades, or not :)

[vsm, 2016/01/29 18:13:51]

Done.

   }
 
   void _buildResourceFile(ResourceSourceNode node) {
     // ResourceSourceNodes files that just need to be copied over to the output
     // location. These can be external dependencies or pieces of the
     // dev_compiler runtime.
     if (outputDir == null) return;
     var filepath =
         resourceOutputPath(node.uri, _entryNode.uri, options.runtimeDir);
     assert(filepath != null);
@@ skipping 194 matching lines @@
   Source resolveAbsolute(Uri uri, [Uri actualUri]) {
     var src = resolver.resolveAbsolute(uri, actualUri);
     return src.exists() ? src : null;
   }
 
   Uri restoreAbsolute(Source source) => resolver.restoreAbsolute(source);
 }
 
 final _log = new Logger('dev_compiler.src.server');
 final _earlyErrorResult = new CheckerResults(const [], true);