feat(ui): restore route mixin

packages/@vue/cli-ui/src/mixins/RestoreRoute.js

@@ -0,0 +1,21 @@
+export default function () {
+  let lastRoute
+
+  // @vue/component
+  return {
+    beforeRouteEnter (to, from, next) {
+      if (lastRoute) {
+        const { name, params, query } = lastRoute
+        next({ name, params, query })
+        lastRoute = null
+      } else {
+        next()
+      }
+    },
+
+    beforeRouteLeave (to, from, next) {
+      lastRoute = from
+      next()
+    }
+  }
+}

packages/@vue/cli-ui/src/views/ProjectTasks.vue

@@ -32,9 +32,15 @@
 </template>
 
 <script>
+import RestoreRoute from '../mixins/RestoreRoute'
+
 import TASK_CHANGED from '../graphql/taskChanged.gql'
 
 export default {
+  mixins: [
+    RestoreRoute()
+  ],
+
   apollo: {
     $subscribe: {
       taskChanged: {