JSX: Functional component support innerElement

doric-js/src/util/jsx.ts

@@ -32,21 +32,16 @@ export namespace jsx {
             return e;
         } else {
             const f = constructor as Function
-            const e = Reflect.apply(f, undefined, [config])
-            if (e instanceof Fragment) {
-                return children
-            }
+            const args = config ?? {}
             if (children && children.length > 0) {
                 if (children.length === 1) {
                     children = children[0]
                 }
-                if (Reflect.has(e, "innerElement")) {
-                    Reflect.set(e, "innerElement", children, e)
-                } else {
-                    throw new Error(
-                        `Do not support add child for ${e.viewType()}`
-                    );
-                }
+                (args as any).innerElement = children
+            }
+            const e = Reflect.apply(f, undefined, [args])
+            if (e instanceof Fragment) {
+                return children
             }
             return e
         }