docs(connectivity_plus_platform_interface): add List<ConnectivityResult>.hasConnectivity

Author: EchoEllet

packages/connectivity_plus/connectivity_plus/lib/connectivity_plus.dart

@@ -9,7 +9,7 @@ import 'package:collection/collection.dart';
 
 // Export enums from the platform_interface so plugin users can use them directly.
 export 'package:connectivity_plus_platform_interface/connectivity_plus_platform_interface.dart'
-    show ConnectivityResult;
+    show ConnectivityResult, ConnectivityResultListX;
 
 export 'src/connectivity_plus_linux.dart'
     if (dart.library.js_interop) 'src/connectivity_plus_web.dart';

packages/connectivity_plus/connectivity_plus_platform_interface/lib/src/enums.dart

@@ -36,3 +36,8 @@ enum ConnectivityResult {
   /// Other: Device is connected to an unknown network
   other
 }
+
+extension ConnectivityResultListX on List<ConnectivityResult> {
+  bool get hasConnectivity =>
+      !(length == 1 && first == ConnectivityResult.none);
+}

packages/connectivity_plus/connectivity_plus_platform_interface/pubspec.yaml

@@ -17,4 +17,5 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  test: ^1.31.0
   flutter_lints: ">=4.0.0 <6.0.0"

packages/connectivity_plus/connectivity_plus_platform_interface/test/src/enums_test.dart

@@ -0,0 +1,22 @@
+import 'package:connectivity_plus_platform_interface/src/enums.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('List<$ConnectivityResult>.hasConnectivity', () {
+    test('returns false when only none is present', () {
+      final result = [ConnectivityResult.none];
+      expect(result.hasConnectivity, false, reason: 'list: $result');
+    });
+
+    test('returns true when wifi is present', () {
+      final result = [ConnectivityResult.wifi];
+      expect(result.hasConnectivity, true, reason: 'list: $result');
+    });
+
+    test('returns true when multiple connections exist', () {
+      final result = ConnectivityResult.values.toList()
+        ..removeWhere((e) => e == ConnectivityResult.none);
+      expect(result.hasConnectivity, true, reason: 'list: $result');
+    });
+  });
+}