From 160c607aa8c75a479145cc723e849c62776421d0 Mon Sep 17 00:00:00 2001
From: Coolyang1996 <504575307@qq.com>
Date: Mon, 20 Jan 2020 17:35:09 +0800
Subject: [PATCH 1/3] fix(transition): correct pass argument into classList api

close #638
---
 packages/runtime-dom/src/components/Transition.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/runtime-dom/src/components/Transition.ts b/packages/runtime-dom/src/components/Transition.ts
index 13fd0f3f533..9f966fcc259 100644
--- a/packages/runtime-dom/src/components/Transition.ts
+++ b/packages/runtime-dom/src/components/Transition.ts
@@ -200,12 +200,12 @@ export interface ElementWithTransition extends HTMLElement {
 }
 
 export function addTransitionClass(el: ElementWithTransition, cls: string) {
-  el.classList.add(cls)
+  el.classList.add(...cls.split(' '))
   ;(el._vtc || (el._vtc = new Set())).add(cls)
 }
 
 export function removeTransitionClass(el: ElementWithTransition, cls: string) {
-  el.classList.remove(cls)
+  el.classList.remove(...cls.split(' '))
   if (el._vtc) {
     el._vtc.delete(cls)
     if (!el._vtc!.size) {

From bc97e84537279df2e4e13f5ed60c811f24011657 Mon Sep 17 00:00:00 2001
From: coolyang <504575307@qq.com>
Date: Tue, 21 Jan 2020 00:31:54 +0800
Subject: [PATCH 2/3] fix(transition): IE 11 does not support  multiple
 arguments to add or remove

---
 packages/runtime-dom/src/components/Transition.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/runtime-dom/src/components/Transition.ts b/packages/runtime-dom/src/components/Transition.ts
index 9f966fcc259..e0d36637f2e 100644
--- a/packages/runtime-dom/src/components/Transition.ts
+++ b/packages/runtime-dom/src/components/Transition.ts
@@ -200,12 +200,12 @@ export interface ElementWithTransition extends HTMLElement {
 }
 
 export function addTransitionClass(el: ElementWithTransition, cls: string) {
-  el.classList.add(...cls.split(' '))
+  cls.split(' ').forEach(c => c && el.classList.add(c))
   ;(el._vtc || (el._vtc = new Set())).add(cls)
 }
 
 export function removeTransitionClass(el: ElementWithTransition, cls: string) {
-  el.classList.remove(...cls.split(' '))
+  cls.split(' ').forEach(c => c && el.classList.remove(c))
   if (el._vtc) {
     el._vtc.delete(cls)
     if (!el._vtc!.size) {

From 7db97c7e0a6594d51c0b75af1a512d176dcfa957 Mon Sep 17 00:00:00 2001
From: coolyang <504575307@qq.com>
Date: Tue, 21 Jan 2020 01:04:07 +0800
Subject: [PATCH 3/3] fix(transition): change ' ' to /\s+/

---
 packages/runtime-dom/src/components/Transition.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/runtime-dom/src/components/Transition.ts b/packages/runtime-dom/src/components/Transition.ts
index e0d36637f2e..1a4e2c82b11 100644
--- a/packages/runtime-dom/src/components/Transition.ts
+++ b/packages/runtime-dom/src/components/Transition.ts
@@ -200,12 +200,12 @@ export interface ElementWithTransition extends HTMLElement {
 }
 
 export function addTransitionClass(el: ElementWithTransition, cls: string) {
-  cls.split(' ').forEach(c => c && el.classList.add(c))
+  cls.split(/\s+/).forEach(c => c && el.classList.add(c))
   ;(el._vtc || (el._vtc = new Set())).add(cls)
 }
 
 export function removeTransitionClass(el: ElementWithTransition, cls: string) {
-  cls.split(' ').forEach(c => c && el.classList.remove(c))
+  cls.split(/\s+/).forEach(c => c && el.classList.remove(c))
   if (el._vtc) {
     el._vtc.delete(cls)
     if (!el._vtc!.size) {