Fixes #196 - Enable resources to be served

[email protected]

Review URL: https://codereview.chromium.org/1152573003

Author: vsmenon

pkg/dev_compiler/lib/src/dependency_graph.dart

@@ -76,6 +76,8 @@ class SourceGraph {
       }
     });
   }
+
+  List<String> get resources => _options.resources;
 }
 
 /// A node in the import graph representing a source file.
@@ -198,6 +200,9 @@ class HtmlSourceNode extends SourceNode {
       }
 
       var newResources = new Set<ResourceSourceNode>();
+      for (var resource in graph.resources) {
+        newResources.add(graph.nodeFromUri(uri.resolve(resource)));
+      }
       for (var tag in document.querySelectorAll('link[rel="stylesheet"]')) {
         newResources
             .add(graph.nodeFromUri(uri.resolve(tag.attributes['href'])));

pkg/dev_compiler/lib/src/options.dart

@@ -26,6 +26,9 @@ class ResolverOptions {
   /// List of paths used for the multi-package resolver.
   final List<String> packagePaths;
 
+  /// List of additional non-Dart resources to resolve and serve.
+  final List<String> resources;
+
   /// Whether to infer return types and field types from overriden members.
   final bool inferFromOverrides;
   static const inferFromOverridesDefault = true;
@@ -60,7 +63,7 @@ class ResolverOptions {
   static const String implicitHtmlFile = 'index.html';
 
   ResolverOptions({this.useMultiPackage: false, this.packageRoot: 'packages/',
-      this.packagePaths: const <String>[],
+      this.packagePaths: const <String>[], this.resources: const <String>[],
       this.inferFromOverrides: inferFromOverridesDefault,
       this.inferTransitively: inferTransitivelyDefault,
       this.onlyInferConstsAndFinalFields: onlyInferConstAndFinalFieldsDefault,
@@ -192,6 +195,10 @@ class CompilerOptions implements RulesOptions, ResolverOptions, JSCodeOptions {
   @override
   final List<String> packagePaths;
 
+  /// List of additional non-Dart resources to resolve and serve.
+  @override
+  final List<String> resources;
+
   /// Whether to infer types downwards from local context
   @override
   final bool inferDownwards;
@@ -239,7 +246,7 @@ class CompilerOptions implements RulesOptions, ResolverOptions, JSCodeOptions {
       this.outputDart: false, this.useColors: true,
       this.covariantGenerics: true, this.relaxedCasts: true,
       this.useMultiPackage: false, this.packageRoot: 'packages/',
-      this.packagePaths: const <String>[],
+      this.packagePaths: const <String>[], this.resources: const <String>[],
       this.inferDownwards: RulesOptions.inferDownwardsDefault,
       this.inferFromOverrides: ResolverOptions.inferFromOverridesDefault,
       this.inferTransitively: ResolverOptions.inferTransitivelyDefault,
@@ -304,6 +311,7 @@ CompilerOptions parseOptions(List<String> argv) {
       useMultiPackage: args['use-multi-package'],
       packageRoot: args['package-root'],
       packagePaths: args['package-paths'].split(','),
+      resources: args['resources'].split(','),
       inferDownwards: args['infer-downwards'],
       inferFromOverrides: args['infer-from-overrides'],
       inferTransitively: args['infer-transitively'],
@@ -377,6 +385,8 @@ final ArgParser argParser = new ArgParser()
   ..addOption('package-paths',
       help: 'if using the multi-package resolver, the list of directories to\n'
       'look for packages in.', defaultsTo: '')
+  ..addOption('resources',
+      help: 'Additional resources to serve', defaultsTo: '')
   ..addFlag('source-maps',
       help: 'Whether to emit source map files', defaultsTo: true)
   ..addOption('runtime-dir',