unnecessary null check check

facebook · Dec 8, 2017 · 8be5a8b · 8be5a8b
1 parent 6d28f98
commit 8be5a8b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/react-dom/src/client/ReactDOMFiberComponent.js b/packages/react-dom/src/client/ReactDOMFiberComponent.js
@@ -668,7 +668,7 @@ export function diffProperties(
   }
   for (propKey in nextProps) {
     const nextProp = nextProps[propKey];
-    const lastProp = lastProps != null ? lastProps[propKey] : undefined;
+    const lastProp = lastProps[propKey];
     if (
       !nextProps.hasOwnProperty(propKey) ||
       nextProp === lastProp ||