chore: avoid unnecessary function call (#1464)

diff --git a/packages/runtime-core/src/components/BaseTransition.ts b/packages/runtime-core/src/components/BaseTransition.ts
index b1ee5da685155bb4f456068d6849e02790621680..104fe097710060ef674c88c708fbbb9f5ac5c6a8 100644 (file)
--- a/packages/runtime-core/src/components/BaseTransition.ts
+++ b/packages/runtime-core/src/components/BaseTransition.ts
@@ -136,8 +136,8 @@ const BaseTransitionImpl = {
     const state = useTransitionState()
 
     return () => {
-      const children = getTransitionRawChildren(
-        slots.default ? slots.default() : [],
+      const children = slots.default && getTransitionRawChildren(
+        slots.default(),
         true
       )
       if (!children || !children.length) {