do not add list key to text nodes (fix #3810)

yyx990803 · yyx990803 · commit f1e37f600271 · 2016-09-29T13:01:08.000-04:00
diff --git a/src/core/vdom/helpers.js b/src/core/vdom/helpers.js
@@ -35,7 +35,7 @@ export function normalizeChildren (
             applyNS(c, ns)
           }
           // default key for nested array children (likely generated by v-for)
-          if (c.key == null && nestedIndex != null) {
+          if (c.tag && c.key == null && nestedIndex != null) {
             c.key = `__vlist_${nestedIndex}_${i}__`
           }
           res.push(c)

Original file line number	Diff line number	Diff line change
`@@ -35,7 +35,7 @@ export function normalizeChildren (`
`35`	`35`	`applyNS(c, ns)`
`36`	`36`	`}`
`37`	`37`	`// default key for nested array children (likely generated by v-for)`
`38`		`- if (c.key == null && nestedIndex != null) {`
	`38`	`+ if (c.tag && c.key == null && nestedIndex != null) {`
`39`	`39`	c.key = `__vlist_${nestedIndex}_${i}__`
`40`	`40`	`}`
`41`	`41`	`res.push(c)`