Improve error handling on SSR

lib/app/server.js

@@ -8,7 +8,7 @@ import { stringify } from 'querystring'
 import { omit } from 'lodash'
 import middleware from './middleware'
 import { app, router<%= (store ? ', store' : '') %>, NuxtError } from './index'
-import { getContext, promiseSeries, promisify, urlJoin } from './utils'
+import { getMatchedComponents, getContext, promiseSeries, promisify, urlJoin } from './utils'
 
 const isDev = <%= isDev %>
 const _app = new Vue(app)
@@ -40,8 +40,6 @@ export default context => {
     })
     context.res.end()
   }
-  // set router's location
-  router.push(context.url)
   // Add route to the context
   context.route = router.currentRoute
   // Add meta infos
@@ -52,12 +50,26 @@ export default context => {
   <%= (isDev ? 'const s = isDev && Date.now()' : '') %>
   let ctx = getContext(context)
   let Components = []
-  return new Promise((resolve) => {
-    // Wait for the lazy-routes are loaded
-    router.onReady(resolve)
+  let promises = getMatchedComponents(router.match(context.url)).map((Component) => {
+    return new Promise((resolve, reject) => {
+      const _resolve = (Component) => {
+        if (!Component.options) {
+          Component = Vue.extend(Component) // fix issue #6
+          Component._Ctor = Component
+        } else {
+          Component._Ctor = Component
+          Component.extendOptions = Component.options
+        }
+        resolve(Component)
+      }
+      Component().then(_resolve).catch(reject)
     })
-  .then(() => {
-    Components = router.getMatchedComponents()
+  })
+  return Promise.all(promises)
+  .then((_Components) => {
+    Components = _Components
+    // set router's location
+    router.push(context.url)
     // nuxtServerInit
     <% if (store) { %>
       let promise = (store._actions && store._actions.nuxtServerInit ? store.dispatch('nuxtServerInit', omit(getContext(context), 'redirect', 'error')) : null)
@@ -186,8 +198,7 @@ export default context => {
   })
   .catch(function (error) {
     if (error && (error instanceof Error || error.constructor.toString().indexOf('Error()') !== -1)) {
-      let statusCode = error.statusCode || error.status || (error.response && error.response.status) || 500
-      error = { statusCode, message: error.message }
+      return Promise.reject(error)
     }
     else if (typeof error === 'string') {
       error = { statusCode: 500, message: error }