handle dom edge cases

Author: yyx990803

src/api/dom.js

@@ -87,6 +87,9 @@ exports.$after = function (target, cb, withTransition) {
  */
 
 exports.$remove = function (cb, withTransition) {
+  if (!this.$el.parentNode) {
+    return cb && cb()
+  }
   var inDoc = this._isAttached && _.inDoc(this.$el)
   // if we are not in document, no need to check
   // for transitions
@@ -220,4 +223,4 @@ function before (el, target, vm, cb) {
 function remove (el, vm, cb) {
   _.remove(el)
   if (cb) cb()
-}
+}

src/directives/component.js

@@ -227,7 +227,9 @@ module.exports = {
         break
       case 'out-in':
         self.remove(current, function () {
-          target.$before(self.anchor, cb)
+          if (!target._isDestroyed) {
+            target.$before(self.anchor, cb)
+          }
         })
         break
       default:

test/unit/specs/api/dom_spec.js

@@ -176,6 +176,11 @@ if (_.inBrowser) {
         expect(spy.calls.count()).toBe(1)
       })
 
+      it('detached', function () {
+        vm.$remove(spy)
+        expect(spy.calls.count()).toBe(1)
+      })
+
     })
 
     describe('$nextTick', function () {
@@ -198,4 +203,4 @@ if (_.inBrowser) {
     })
 
   })
-}
+}