check vm.$el presence first

yyx990803 · yyx990803 · commit ea0f6a1eb357 · 2016-06-22T15:28:17.000-04:00
diff --git a/src/core/instance/lifecycle.js b/src/core/instance/lifecycle.js
@@ -175,7 +175,9 @@ export function lifecycleMixin (Vue: Class<Component>) {
     // turn off all instance listeners.
     vm.$off()
     // remove __vue__ reference
-    vm.$el.__vue__ = null
+    if (vm.$el) {
+      vm.$el.__vue__ = null
+    }
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -175,7 +175,9 @@ export function lifecycleMixin (Vue: Class<Component>) {`
`175`	`175`	`// turn off all instance listeners.`
`176`	`176`	`vm.$off()`
`177`	`177`	`// remove __vue__ reference`
`178`		`- vm.$el.__vue__ = null`
	`178`	`+ if (vm.$el) {`
	`179`	`+ vm.$el.__vue__ = null`
	`180`	`+ }`
`179`	`181`	`}`
`180`	`182`	`}`
`181`	`183`