refactor($core): move layout components registration to app.js

Author: ulivz

packages/@vuepress/core/lib/app/app.js

@@ -9,6 +9,7 @@ import globalUIComponents from '@internal/global-ui'
 import ClientComputedMixin from '@transform/ClientComputedMixin'
 import VuePress from './plugins/VuePress'
 import { handleRedirectForCleanUrls } from './redirect.js'
+import { getLayoutAsyncComponent } from './util'
 
 // built-in components
 import Content from './components/Content.js'
@@ -42,6 +43,9 @@ Vue.component('ContentSlotsDistributor', ContentSlotsDistributor)
 Vue.component('OutboundLink', OutboundLink)
 // component for client-only content
 Vue.component('ClientOnly', ClientOnly)
+// core components
+Vue.component('Layout', getLayoutAsyncComponent('Layout'))
+Vue.component('NotFound', getLayoutAsyncComponent('NotFound'))
 
 // global helper for adding base path to absolute urls
 Vue.prototype.$withBase = function (path) {

packages/@vuepress/core/lib/app/components/LayoutDistributor.vue

@@ -3,12 +3,8 @@
 </template>
 
 <script>
-import Vue from 'vue'
 import { getLayoutAsyncComponent } from '../util'
 
-Vue.component('Layout', getLayoutAsyncComponent('Layout'))
-Vue.component('NotFound', getLayoutAsyncComponent('NotFound'))
-
 export default {
   computed: {
     layout () {