fix: add type check to event.data

gynzy · Aug 1, 2024 · ed1a1f3 · ed1a1f3
1 parent cd8452c
commit ed1a1f3
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/packages/webview_flutter/webview_flutter_web/lib/src/web_webview_controller.dart b/packages/webview_flutter/webview_flutter_web/lib/src/web_webview_controller.dart
@@ -29,7 +29,7 @@ class WebWebViewControllerCreationParams
     // ignore: avoid_unused_constructor_parameters
     PlatformWebViewControllerCreationParams params, {
     @visibleForTesting
-        HttpRequestFactory httpRequestFactory = const HttpRequestFactory(),
+    HttpRequestFactory httpRequestFactory = const HttpRequestFactory(),
   }) : this(httpRequestFactory: httpRequestFactory);
 
   static int _nextIFrameId = 0;
@@ -128,14 +128,18 @@ class WebWebViewController extends PlatformWebViewController {
           return;
         }
 
+        if (event.data == null || event.data is! Map) {
+          return;
+        }
+
         // ignore: avoid_dynamic_calls
-        final String? channelName = event.data?['channel'] as String?;
+        final String? channelName = event.data['channel'] as String?;
         if (channelName != javaScriptChannelParams.name) {
           return;
         }
 
         // ignore: avoid_dynamic_calls
-        final String? message = event.data?['message'] as String?;
+        final String? message = event.data['message'] as String?;
         if (message == null) {
           return;
         }