From 22957436e81f5e7224aaa18882299069f238d08c Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Fri, 29 Nov 2019 17:38:29 -0500
Subject: [PATCH] chore: default transition css prop to true

---
 packages/runtime-dom/src/components/Transition.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/runtime-dom/src/components/Transition.ts b/packages/runtime-dom/src/components/Transition.ts
index b3f9685d6..e5353004a 100644
--- a/packages/runtime-dom/src/components/Transition.ts
+++ b/packages/runtime-dom/src/components/Transition.ts
@@ -41,9 +41,10 @@ export const TransitionPropsValidators = {
   ...(BaseTransition as any).props,
   name: String,
   type: String,
-  // Cannot use Boolean otherwise it will be force casted to false when
-  // omitted
-  css: null,
+  css: {
+    type: Boolean,
+    default: true
+  },
   duration: Object,
   enterFromClass: String,
   enterActiveClass: String,