Change Home.vue to trigger bug.

package.json

@@ -8,6 +8,7 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
+    "@vue/composition-api": "^0.3.2",
     "vue": "^2.6.10",
     "vue-router": "^3.0.3"
   },

src/views/Home.vue

@@ -1,18 +1,24 @@
 <template>
   <div class="home">
-    <img alt="Vue logo" src="../assets/logo.png">
-    <HelloWorld msg="Welcome to Your Vue.js + TypeScript App"/>
+    <img alt="Vue logo" src="../assets/logo.png" />
+    <HelloWorld msg="Welcome to Your Vue.js + TypeScript App" />
   </div>
 </template>
 
 <script lang="ts">
 import Vue from 'vue';
 import HelloWorld from '@/components/HelloWorld.vue'; // @ is an alias to /src
+import { createComponent } from '@vue/composition-api';
 
-export default Vue.extend({
-  name: 'home',
+export default createComponent({
   components: {
     HelloWorld,
   },
 });
+// export default Vue.extend({
+//   name: 'home',
+//   components: {
+//     HelloWorld,
+//   },
+// });
 </script>

yarn.lock

@@ -234,6 +234,13 @@
     source-map "~0.6.1"
     vue-template-es2015-compiler "^1.9.0"
 
+"@vue/composition-api@^0.3.2":
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/@vue/composition-api/-/composition-api-0.3.2.tgz#2d797028e489bf7812f08c7bb33ffd03ef23c617"
+  integrity sha512-fD4dn9cJX62QSP2TMFLXCOQOa+Bu2o7kWDjrU/FNLkNqPPcCKBLxCH/Lc+gNCRBKdEUGyI3arjAw7j0Yz1hnvw==
+  dependencies:
+    tslib "^1.9.3"
+
 "@vue/preload-webpack-plugin@^1.1.0":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@vue/preload-webpack-plugin/-/preload-webpack-plugin-1.1.1.tgz#18723530d304f443021da2292d6ec9502826104a"
@@ -6177,7 +6184,7 @@ ts-loader@^5.3.3:
     micromatch "^3.1.4"
     semver "^5.0.1"
 
-tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
+tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==