fix(reactivity): toRef should not wrap a ref (#2103)

2020-09-15 15:29:38 +01:00
parent aa8dc9a507
commit d4bf9bcbb4
2 changed files with 10 additions and 4 deletions
--- a/packages/reactivity/src/ref.ts
+++ b/packages/reactivity/src/ref.ts
@@ -168,7 +168,9 @@ export function toRef<T extends object, K extends keyof T>(
  object: T,
  key: K
 ): Ref<T[K]> {
-  return new ObjectRefImpl(object, key) as any
+  return isRef(object[key])
+    ? object[key]
+    : (new ObjectRefImpl(object, key) as any)
 }

 // corner case when use narrows type