fix instance unregistration (fix #1372)

vuejs · May 1, 2017 · 23bedc9 · 23bedc9
1 parent 34b9abc
commit 23bedc9
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/components/view.js b/src/components/view.js
@@ -52,7 +52,11 @@ export default {
     // this will be called in the instance's injected lifecycle hooks
     data.registerRouteInstance = (vm, val) => {
       // val could be undefined for unregistration
-      if (matched.instances[name] !== vm) {
+      const current = matched.instances[name]
+      if (
+        (val && current !== vm) ||
+        (!val && current === vm)
+      ) {
         matched.instances[name] = val
       }
     }