docs: minor improvements

Author: Rel1cx

packages/plugins/eslint-plugin-react-x/src/rules/jsx-no-iife.md

@@ -68,6 +68,24 @@ function MyComponent() {
 }
 ```
 
+```tsx
+function MyComponent() {
+  // hooks etc
+
+  const thingsList = useMemo(() => things.filter(callback), [things, callback]);
+
+  return (
+    <SomeJsx>
+      <SomeMoreJsx />
+      {thingsList.length === 0
+        ? <Empty />
+        : thingsList.map((thing) => <Thing key={thing.id} data={thing} />)}
+      <SomeMoreJsx />
+    </SomeJsx>
+  );
+}
+```
+
 ```tsx
 function MyComponent() {
   // hooks etc
@@ -80,7 +98,7 @@ function MyComponent() {
     }
 
     return filteredThings.map((thing) => <Thing key={thing.id} data={thing} />);
-  }, [things]);
+  }, [things, callback]);
 
   return (
     <SomeJsx>