Fix NullRef when JS method has no return value (#44)

Eilon · web-flow · commit 195ddf70c952 · 2024-02-10T16:37:32.000-08:00
The InvokeJsMethodAsync() method now returns null if there was no return value. Fixes #27
diff --git a/HybridWebView/HybridWebView.cs b/HybridWebView/HybridWebView.cs
@@ -88,6 +88,10 @@ public async Task<string> InvokeJsMethodAsync(string methodName, params object[]
         {
             var stringResult = await InvokeJsMethodAsync(methodName, paramValues);
 
+            if (stringResult is null)
+            {
+                return default;
+            }
             return JsonSerializer.Deserialize<TReturnType>(stringResult);
         }
 

Original file line number	Diff line number	Diff line change
`@@ -88,6 +88,10 @@ public async Task<string> InvokeJsMethodAsync(string methodName, params object[]`
`88`	`88`	`{`
`89`	`89`	`var stringResult = await InvokeJsMethodAsync(methodName, paramValues);`
`90`	`90`
	`91`	`+ if (stringResult is null)`
	`92`	`+ {`
	`93`	`+ return default;`
	`94`	`+ }`
`91`	`95`	`return JsonSerializer.Deserialize<TReturnType>(stringResult);`
`92`	`96`	`}`
`93`	`97`