add the !isMounting back

preactjs · Jun 14, 2023 · 4fe8732 · 4fe8732
1 parent 36bfdcb
commit 4fe8732
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/diff/children.js b/src/diff/children.js
@@ -154,8 +154,7 @@ export function diffChildren(
 				firstChildDom = newDom;
 			}
 
-			let isMounting =
-				isHydrating || oldVNode === EMPTY_OBJ || oldVNode._original === null;
+			let isMounting = oldVNode === EMPTY_OBJ || oldVNode._original === null;
 			let hasMatchingIndex = !isMounting && matchingIndex === skewedIndex;
 			if (isMounting) {
 				if (matchingIndex == -1) {