test: add render tests

fix: webpack dev server

chore: use eslint not prettier

unfeat: remove support for comments (its brokenn in Vue, maybe later)

examples/multiple-apps/app.js

@@ -6,50 +6,50 @@ Vue.use(VueMeta)
 // index.html contains a manual SSR render
 
 const app1 = new Vue({
-  metaInfo() {
+  metaInfo () {
     return {
       title: 'App 1 title',
       bodyAttrs: {
-        class: 'app-1',
+        class: 'app-1'
       },
       meta: [
         { name: 'description', content: 'Hello from app 1', vmid: 'test' },
-        { name: 'og:description', content: this.ogContent },
+        { name: 'og:description', content: this.ogContent }
       ],
       script: [
         { innerHTML: 'var appId=1.1', body: true },
-        { innerHTML: 'var appId=1.2', vmid: 'app-id-body' },
-      ],
+        { innerHTML: 'var appId=1.2', vmid: 'app-id-body' }
+      ]
     }
   },
-  data() {
+  data () {
     return {
-      ogContent: 'Hello from ssr app',
+      ogContent: 'Hello from ssr app'
     }
   },
   template: `
     <div id="app1"><h1>App 1</h1></div>
-  `,
+  `
 })
 
 const app2 = new Vue({
   metaInfo: () => ({
     title: 'App 2 title',
     bodyAttrs: {
-      class: 'app-2',
+      class: 'app-2'
     },
     meta: [
       { name: 'description', content: 'Hello from app 2', vmid: 'test' },
-      { name: 'og:description', content: 'Hello from app 2' },
+      { name: 'og:description', content: 'Hello from app 2' }
     ],
     script: [
       { innerHTML: 'var appId=2.1', body: true },
-      { innerHTML: 'var appId=2.2', vmid: 'app-id-body', body: true },
-    ],
+      { innerHTML: 'var appId=2.2', vmid: 'app-id-body', body: true }
+    ]
   }),
   template: `
     <div id="app2"><h1>App 2</h1></div>
-  `,
+  `
 }).$mount('#app2')
 
 app1.$mount('#app1')
@@ -57,7 +57,7 @@ app1.$mount('#app1')
 const app3 = new Vue({
   template: `
     <div id="app3"><h1>App 3 (empty metaInfo)</h1></div>
-  `,
+  `
 }).$mount('#app3')
 
 setTimeout(() => {