Fix sidebars via correct web API for anchor href values (#3934)

Author: srawlins

lib/resources/docs.dart.js

@@ -11,8 +11,8 @@ final RegExp _categoryRegExp =
 /// Mixin parsing the `@category` directive for ModelElements.
 mixin Categorization on DocumentationComment {
   @override
-  String buildDocumentationAddition(String rawDocs) =>
-      _stripAndSetDartdocCategories(super.buildDocumentationAddition(rawDocs));
+  String buildDocumentationAddition(String docs) =>
+      _stripAndSetDartdocCategories(super.buildDocumentationAddition(docs));
 
   /// Parse `{@category ...}` and related information in API comments, stripping
   /// out that information from the given comments and returning the stripped

lib/resources/docs.dart.js.map

@@ -97,10 +97,14 @@ void _loadSidebar(
 /// if "base href" is not being used.
 void _updateLinks(String baseHref, Node node) {
   if (node.isA<HTMLAnchorElement>()) {
-    final hrefString = (node as HTMLAnchorElement).href;
-    final href = Uri.tryParse(hrefString);
+    final hrefValue =
+        (node as HTMLAnchorElement).attributes.getNamedItem('href')?.value;
+    if (hrefValue == null) {
+      return;
+    }
+    final href = Uri.tryParse(hrefValue);
     if (href != null && !href.isAbsolute) {
-      node.href = '$baseHref$hrefString';
+      node.href = '$baseHref$hrefValue';
     }
   }
 

lib/src/model/directives/categorization.dart

@@ -1 +1 @@
-45250896CEC08BF6C3F52F3320C7E033
+22A0DF76266C40F6C6821F473937789F