library angular2.src.services.xhr_impl; import 'dart:async' show Future; import 'dart:html' show HttpRequest; import 'package:angular2/core.dart'; import './xhr.dart' show XHR; @Injectable() class XHRImpl extends XHR { Future get(String url) { return HttpRequest.request(url).then((HttpRequest req) => req.responseText, onError: (_) => new Future.error('Failed to load $url')); } }