fix(TransitionGroup): simplify dev-only warning condition for unkeyed children

edison1105 · edison1105 · commit e70ca5da5ed1 · 2025-12-04T10:46:29.000+08:00
diff --git a/packages/runtime-vapor/src/components/TransitionGroup.ts b/packages/runtime-vapor/src/components/TransitionGroup.ts
@@ -141,7 +141,7 @@ export const VaporTransitionGroup: ObjectVaporComponent = decorate({
           )
           hooks.group = true
           setTransitionHooks(child, hooks)
-        } else if (__DEV__ && child.$key == null) {
+        } else if (__DEV__) {
           warn(`<transition-group> children must be keyed`)
         }
       }

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,7 @@ export const VaporTransitionGroup: ObjectVaporComponent = decorate({`
`141`	`141`	`)`
`142`	`142`	`hooks.group = true`
`143`	`143`	`setTransitionHooks(child, hooks)`
`144`		`- } else if (__DEV__ && child.$key == null) {`
	`144`	`+ } else if (__DEV__) {`
`145`	`145`	warn(`<transition-group> children must be keyed`)
`146`	`146`	`}`
`147`	`147`	`}`