Index: dart/pkg/polymer/lib/src/build/import_inliner.dart |
=================================================================== |
--- dart/pkg/polymer/lib/src/build/import_inliner.dart (revision 37358) |
+++ dart/pkg/polymer/lib/src/build/import_inliner.dart (working copy) |
@@ -8,6 +8,7 @@ |
import 'dart:async'; |
import 'dart:convert'; |
+import 'package:analyzer/analyzer.dart'; |
import 'package:analyzer/src/generated/ast.dart'; |
import 'package:barback/barback.dart'; |
import 'package:code_transformers/assets.dart'; |
@@ -51,7 +52,7 @@ |
experimentalBootstrap = document.querySelectorAll('link').any((link) => |
link.attributes['rel'] == 'import' && |
link.attributes['href'] == POLYMER_EXPERIMENTAL_HTML); |
- changed = _extractScripts(document, docId); |
+ changed = _extractScripts(document); |
return _visitImports(document); |
}).then((importsFound) { |
changed = changed || importsFound; |
@@ -144,7 +145,8 @@ |
return readAsHtml(id, transform).then((doc) { |
new _UrlNormalizer(transform, id).visit(doc); |
return _visitImports(doc).then((_) { |
- _extractScripts(doc, id); |
+ // _UrlNormalizer already ensures there is a library name. |
+ _extractScripts(doc, injectLibraryName: false); |
// TODO(jmesserly): figure out how this is working in vulcanizer. |
// Do they produce a <body> tag with a <head> and <body> inside? |
@@ -198,7 +200,7 @@ |
/// to be able to compile them. |
/// |
/// This also validates that there weren't any duplicate scripts. |
- bool _extractScripts(Document doc, AssetId sourceId) { |
+ bool _extractScripts(Document doc, {bool injectLibraryName: true}) { |
bool changed = false; |
for (var script in doc.querySelectorAll('script')) { |
if (script.attributes['type'] != TYPE_DART) continue; |
@@ -215,21 +217,8 @@ |
changed = true; |
var newId = docId.addExtension('.$count.dart'); |
- // TODO(jmesserly): consolidate this check with our other parsing of the |
- // Dart code, so we only parse it once. |
- if (!_hasLibraryDirective(code)) { |
- // Inject a library tag with an appropriate library name. |
- |
- // Transform AssetId into a package name. For example: |
- // myPkgName|lib/foo/bar.html -> myPkgName.foo.bar_html |
- // myPkgName|web/foo/bar.html -> myPkgName.web.foo.bar_html |
- // This should roughly match the recommended library name conventions. |
- var libName = '${path.withoutExtension(sourceId.path)}_' |
- '${path.extension(sourceId.path).substring(1)}'; |
- if (libName.startsWith('lib/')) libName = libName.substring(4); |
- libName = libName.replaceAll('/', '.').replaceAll('-', '_'); |
- libName = '${sourceId.package}.${libName}_$count'; |
- |
+ if (injectLibraryName && !_hasLibraryDirective(code)) { |
+ var libName = _libraryNameFor(docId, count); |
code = "library $libName;\n$code"; |
} |
extractedFiles.add(newId); |
@@ -239,9 +228,24 @@ |
} |
} |
+/// Transform AssetId into a library name. For example: |
+/// |
+/// myPkgName|lib/foo/bar.html -> myPkgName.foo.bar_html |
+/// myPkgName|web/foo/bar.html -> myPkgName.web.foo.bar_html |
+/// |
+/// This should roughly match the recommended library name conventions. |
+String _libraryNameFor(AssetId id, int suffix) { |
+ var name = '${path.withoutExtension(id.path)}_' |
+ '${path.extension(id.path).substring(1)}'; |
+ if (name.startsWith('lib/')) name = name.substring(4); |
+ name = name.replaceAll('/', '.').replaceAll('-', '_'); |
+ return '${id.package}.${name}_$suffix'; |
+} |
+ |
/// Parse [code] and determine whether it has a library directive. |
bool _hasLibraryDirective(String code) => |
- parseCompilationUnit(code).directives.any((d) => d is LibraryDirective); |
+ parseDirectives(code, suppressErrors: true) |
+ .directives.any((d) => d is LibraryDirective); |
/// Recursively inlines the contents of HTML imports. Produces as output a |
@@ -279,6 +283,9 @@ |
/// Asset where the original content (and original url) was found. |
final AssetId sourceId; |
+ /// Counter used to ensure that every library name we inject is unique. |
+ int _count = 0; |
+ |
_UrlNormalizer(this.transform, this.sourceId); |
visitElement(Element node) { |
@@ -292,7 +299,8 @@ |
if (node.localName == 'style') { |
node.text = visitCss(node.text); |
} else if (node.localName == 'script' && |
- node.attributes['type'] == TYPE_DART) { |
+ node.attributes['type'] == TYPE_DART && |
+ !node.attributes.containsKey('src')) { |
// TODO(jmesserly): we might need to visit JS too to handle ES Harmony |
// modules. |
node.text = visitInlineDart(node.text); |
@@ -321,10 +329,10 @@ |
} |
String visitInlineDart(String code) { |
- var unit = parseCompilationUnit(code); |
+ var unit = parseDirectives(code, suppressErrors: true); |
var file = new SourceFile.text(spanUrlFor(sourceId, transform), code); |
var output = new TextEditTransaction(code, file); |
- |
+ var foundLibraryDirective = false; |
for (Directive directive in unit.directives) { |
if (directive is UriBasedDirective) { |
var uri = directive.uri.stringValue; |
@@ -339,9 +347,17 @@ |
if (newUri != uri) { |
output.edit(span.start.offset, span.end.offset, "'$newUri'"); |
} |
+ } else if (directive is LibraryDirective) { |
+ foundLibraryDirective = true; |
} |
} |
+ if (!foundLibraryDirective) { |
+ // Ensure all inline scripts also have a library name. |
+ var libName = _libraryNameFor(sourceId, _count++); |
+ output.edit(0, 0, "library $libName;\n"); |
+ } |
+ |
if (!output.hasEdits) return code; |
// TODO(sigmund): emit source maps when barback supports it (see |