fix style module removing styles with value 0 on update (fix #3905)

yyx990803 · yyx990803 · commit 5300ef7819e1 · 2016-10-11T13:05:34.000-04:00
diff --git a/src/platforms/web/runtime/modules/style.js b/src/platforms/web/runtime/modules/style.js
@@ -49,7 +49,7 @@ function updateStyle (oldVnode: VNodeWithData, vnode: VNodeWithData) {
   }
 
   for (name in oldStyle) {
-    if (!style[name]) {
+    if (style[name] == null) {
       el.style[normalize(name)] = ''
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -49,7 +49,7 @@ function updateStyle (oldVnode: VNodeWithData, vnode: VNodeWithData) {`
`49`	`49`	`}`
`50`	`50`
`51`	`51`	`for (name in oldStyle) {`
`52`		`- if (!style[name]) {`
	`52`	`+ if (style[name] == null) {`
`53`	`53`	`el.style[normalize(name)] = ''`
`54`	`54`	`}`
`55`	`55`	`}`