fix(TransitionGroup): ignore comment node when warn (fix#869) (#875)

2020-03-25 00:09:42 +08:00
parent 4cb3c5c49a
commit 0dba5d44e6
1 changed files with 2 additions and 1 deletions
--- a/packages/runtime-dom/src/components/TransitionGroup.ts
+++ b/packages/runtime-dom/src/components/TransitionGroup.ts
@@ -9,6 +9,7 @@ import {
 } from './Transition'
 import {
  Fragment,
+  Comment,
  VNode,
  warn,
  resolveTransitionHooks,
@@ -108,7 +109,7 @@ const TransitionGroupImpl = {
            child,
            resolveTransitionHooks(child, cssTransitionProps, state, instance)
          )
-        } else if (__DEV__) {
+        } else if (__DEV__ && child.type !== Comment) {
          warn(`<TransitionGroup> children must be keyed.`)
        }
      }