Add component type errors when a component fails to render

Author: javiercn

src/Components/Components/src/RenderTree/Renderer.Log.cs

@@ -67,6 +67,9 @@ public static void HandlingEvent(ILogger logger, ulong eventHandlerId, EventArgs
         [LoggerMessage(6, LogLevel.Debug, "Skipping attempt to raise event {EventId} of type '{EventType}' because the component ID {ComponentId} was already disposed", EventName = "SkippingEventOnDisposedComponent", SkipEnabledCheck = true)]
         public static partial void SkippingEventOnDisposedComponent(ILogger logger, int componentId, ulong eventId, string eventType);
 
+        [LoggerMessage(7, LogLevel.Warning, "Failed to render component of type {ComponentType}", EventName = "ErrorRenderingComponent", SkipEnabledCheck = true)]
+        public static partial void ErrorRenderingComponent(ILogger logger, Type componentType, Exception exception);
+
         public static void SkippingEventOnDisposedComponent(ILogger logger, int componentId, ulong eventHandlerId, EventArgs? eventArgs)
         {
             if (logger.IsEnabled(LogLevel.Debug)) // This is almost always false, so skip the evaluations

src/Components/Components/src/RenderTree/Renderer.cs

@@ -805,7 +805,7 @@ private void ProcessRenderQueue()
         _isBatchInProgress = true;
         var updateDisplayTask = Task.CompletedTask;
         var batchStartTimestamp = ComponentMetrics != null && ComponentMetrics.IsBatchEnabled ? Stopwatch.GetTimestamp() : 0;
-
+        RenderQueueEntry nextToRender = default;
         try
         {
             if (_batchBuilder.ComponentRenderQueue.Count == 0)
@@ -826,7 +826,7 @@ private void ProcessRenderQueue()
             // Process render queue until empty
             while (_batchBuilder.ComponentRenderQueue.Count > 0)
             {
-                var nextToRender = _batchBuilder.ComponentRenderQueue.Dequeue();
+                nextToRender = _batchBuilder.ComponentRenderQueue.Dequeue();
                 RenderInExistingBatch(nextToRender);
             }
 
@@ -848,6 +848,11 @@ private void ProcessRenderQueue()
             {
                 ComponentMetrics.FailBatchSync(e, batchStartTimestamp);
             }
+            if (nextToRender.ComponentState?.Component != null)
+            {
+                var componentType = nextToRender.ComponentState.Component.GetType();
+                Log.ErrorRenderingComponent(_logger, componentType, e);
+            }
 
             // Ensure we catch errors while running the render functions of the components.
             HandleException(e);