fix: handle action/data async rejection in processFile

- Add try-catch for async action/data functions
- Return parsedFile: null when action/data reject (same as beforeUpload strategy)
- This prevents unhandled Promise rejection and filters out failed files

Author: lh01217311

src/AjaxUploader.tsx

@@ -220,20 +220,48 @@ class AjaxUploader extends Component<UploadProps> {
     const { action } = this.props;
     let mergedAction: string;
     if (typeof action === 'function') {
-      mergedAction = await action(file);
+      try {
+        mergedAction = await action(file);
+      } catch {
+        transformedFile = false;
+      }
     } else {
       mergedAction = action;
     }
 
+    // Early return if action rejected
+    if (transformedFile === false) {
+      return {
+        origin: file,
+        parsedFile: null,
+        action: null,
+        data: null,
+      };
+    }
+
     // Get latest data
     const { data } = this.props;
     let mergedData: Record<string, unknown>;
     if (typeof data === 'function') {
-      mergedData = await data(file);
+      try {
+        mergedData = await data(file);
+      } catch {
+        transformedFile = false;
+      }
     } else {
       mergedData = data;
     }
 
+    // Early return if data rejected
+    if (transformedFile === false) {
+      return {
+        origin: file,
+        parsedFile: null,
+        action: null,
+        data: null,
+      };
+    }
+
     const parsedData =
       // string type is from legacy `transformFile`.
       // Not sure if this will work since no related test case works with it