commit 62d73d9e8e7d7d01e44cd02a1804075c37808ac1
author Devon Carew <devoncarew@google.com> Mon Nov 09 10:57:37 2020 -0800
committer GitHub <noreply@github.com> Mon Nov 09 10:57:37 2020 -0800
tree 89143c896b33f1b92ff50e77c5133086e3c3e742
parent 9f30bd04277d6265ada227794a147a9551f0cbf2

update for null safety (#145)

update for null safety

example/example.dart

diff --git a/example/example.dart b/example/example.dart
index bb7b345..46cc29b 100644
--- a/example/example.dart
+++ b/example/example.dart
@@ -9,26 +9,26 @@
 
 import 'package:usage/usage_html.dart';
 
-Analytics _analytics;
-String _lastUa;
+Analytics? _analytics;
+String? _lastUa;
 int _count = 0;
 
 void main() {
-  querySelector('#foo').onClick.listen((_) => _handleFoo());
-  querySelector('#bar').onClick.listen((_) => _handleBar());
-  querySelector('#page').onClick.listen((_) => _changePage());
+  querySelector('#foo')!.onClick.listen((_) => _handleFoo());
+  querySelector('#bar')!.onClick.listen((_) => _handleBar());
+  querySelector('#page')!.onClick.listen((_) => _changePage());
 }
 
-String _ua() => (querySelector('#ua') as InputElement).value.trim();
+String _ua() => (querySelector('#ua') as InputElement).value!.trim();
 
 Analytics getAnalytics() {
   if (_analytics == null || _lastUa != _ua()) {
     _lastUa = _ua();
-    _analytics = AnalyticsHtml(_lastUa, 'Test app', '1.0');
-    _analytics.sendScreenView(window.location.pathname);
+    _analytics = AnalyticsHtml(_lastUa!, 'Test app', '1.0');
+    _analytics!.sendScreenView(window.location.pathname!);
   }
 
-  return _analytics;
+  return _analytics!;
 }
 
 void _handleFoo() {
@@ -44,5 +44,5 @@
 void _changePage() {
   var analytics = getAnalytics();
   window.history.pushState(null, 'new page', '${++_count}.html');
-  analytics.sendScreenView(window.location.pathname);
+  analytics.sendScreenView(window.location.pathname!);
 }