From 9dc1d6ae810c59243cd083d319ad1c8e19830d03 Mon Sep 17 00:00:00 2001
From: Yegor Jbanov <yjbanov@google.com>
Date: Mon, 14 Sep 2015 15:14:09 -0700
Subject: [PATCH] fix(code size): do not rely on Uri in BrowserDomAdapter

Closes #4182
---
 .../angular2/src/core/dom/browser_adapter.dart   | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/modules/angular2/src/core/dom/browser_adapter.dart b/modules/angular2/src/core/dom/browser_adapter.dart
index 6a2cbc24d1..6837a8cf6b 100644
--- a/modules/angular2/src/core/dom/browser_adapter.dart
+++ b/modules/angular2/src/core/dom/browser_adapter.dart
@@ -426,13 +426,12 @@ class BrowserDomAdapter extends GenericBrowserDomAdapter {
     return window.location;
   }
 
-  getBaseHref() {
+  String getBaseHref() {
     var href = getBaseElementHref();
     if (href == null) {
       return null;
     }
-    var baseUri = Uri.parse(href);
-    return baseUri.path[0] == '/' ? baseUri.path : ('/' + baseUri.path);
+    return _relativePath(href);
   }
 
   resetBaseElement() {
@@ -487,3 +486,14 @@ String getBaseElementHref() {
   }
   return baseElement.getAttribute('href');
 }
+
+// based on urlUtils.js in AngularJS 1
+AnchorElement _urlParsingNode = null;
+String _relativePath(String url) {
+  if (_urlParsingNode == null) {
+    _urlParsingNode = new AnchorElement();
+  }
+  _urlParsingNode.href = url;
+  var pathname = _urlParsingNode.pathname;
+  return (pathname[0] == '/') ? pathname : '/${pathname}';
+}