Refactor to use only one context and add route.meta

2024-11-11 16:43:55 +00:00 · 2017-10-13 23:53:04 +02:00 · 2017-10-13 23:53:04 +02:00 · 7534001123
commit 7534001123
parent 031b0d58c8
7 changed files with 232 additions and 221 deletions
--- a/lib/app/App.vue
+++ b/lib/app/App.vue
@ -1,4 +1,3 @@
-<script>
 import Vue from 'vue'
 <% if (loading) { %>import NuxtLoading from '<%= (typeof loading === "string" ? loading : "./components/nuxt-loading.vue") %>'<% } %>
 <% css.forEach(function (c) { %>
@ -19,7 +18,6 @@ export default {
  head: <%= JSON.stringify(head) %>,
  render(h, props) {
    <% if (loading) { %>const loadingEl = h('nuxt-loading', { ref: 'loading' })<% } %>
-
    const layoutEl = h(this.nuxt.err ? 'nuxt' : this.layout, {
      key: this.layoutName
    })
@ -45,7 +43,7 @@ export default {
    layoutName: ''
  }),
  beforeCreate () {
-    Vue.util.defineReactive(this, 'nuxt', this.$options._nuxt)
+    Vue.util.defineReactive(this, 'nuxt', this.$options.nuxt)
  },
  created () {
    // Add this.$nuxt in child instances
@ -104,5 +102,4 @@ export default {
    <%= (loading ? 'NuxtLoading' : '') %>
  }
 }
-</script>

--- a/lib/app/components/nuxt-link.js
+++ b/lib/app/components/nuxt-link.js
@ -1,5 +1,3 @@
-import Vue from 'vue'
-
 export default {
  name: 'nuxt-link',
  functional: true,
--- a/lib/app/components/nuxt.vue
+++ b/lib/app/components/nuxt.vue
@ -1,4 +1,3 @@
-<script>
 import Vue from 'vue'
 import NuxtChild from './nuxt-child'
 import NuxtError from '<%= components.ErrorPage ? ((components.ErrorPage.includes('~') || components.ErrorPage.includes('@')) ? components.ErrorPage : "../" + components.ErrorPage) : "./nuxt-error.vue" %>'
@ -22,7 +21,7 @@ export default {
    })
  },
  beforeCreate () {
-    Vue.util.defineReactive(this, 'nuxt', this.$root.$options._nuxt)
+    Vue.util.defineReactive(this, 'nuxt', this.$root.$options.nuxt)
  },
  computed: {
    routerViewKey () {
@ -38,4 +37,3 @@ export default {
    NuxtError
  }
 }
-</script>
--- a/lib/app/index.js
+++ b/lib/app/index.js
@ -6,9 +6,9 @@ import NoSSR from './components/no-ssr.js'
 import NuxtChild from './components/nuxt-child.js'
 import NuxtLink from './components/nuxt-link.js'
 import NuxtError from '<%= components.ErrorPage ? components.ErrorPage : "./components/nuxt-error.vue" %>'
-import Nuxt from './components/nuxt.vue'
+import Nuxt from './components/nuxt.js'
 import App from '<%= appPath %>'
-import { getContext, getLocation } from './utils'
+import { setContext, getLocation } from './utils'
 <% if (store) { %>import { createStore } from './store.js'<% } %>
 <% plugins.forEach(plugin => { %>import <%= plugin.name %> from '<%= plugin.name %>'
 <% }) %>
@ -37,7 +37,8 @@ const defaultTransition = <%=
  serialize(transition)
  .replace('beforeEnter(', 'function(').replace('enter(', 'function(').replace('afterEnter(', 'function(')
  .replace('enterCancelled(', 'function(').replace('beforeLeave(', 'function(').replace('leave(', 'function(')
-  .replace('afterLeave(', 'function(').replace('leaveCancelled(', 'function(')
+  .replace('afterLeave(', 'function(').replace('leaveCancelled(', 'function(').replace('beforeAppear(', 'function(')
+  .replace('appear(', 'function(').replace('afterAppear(', 'function(').replace('appearCancelled(', 'function(')
 %>

 async function createApp (ssrContext) {
@ -55,7 +56,7 @@ async function createApp (ssrContext) {
  const app = {
    router,
    <% if (store) { %>store,<%  } %>
-    _nuxt: {
+    nuxt: {
      defaultTransition,
      transitions: [ defaultTransition ],
      setTransitions (transitions) {
@ -72,29 +73,30 @@ async function createApp (ssrContext) {
          }
          return transition
        })
-        this.$options._nuxt.transitions = transitions
+        this.$options.nuxt.transitions = transitions
        return transitions
      },
      err: null,
      dateErr: null,
      error (err) {
        err = err || null
-        if (typeof err === 'string') {
-          err = { statusCode: 500, message: err }
-        }
-        const _nuxt = this._nuxt || this.$options._nuxt
-        _nuxt.dateErr = Date.now()
-        _nuxt.err = err
+        if (typeof err === 'string') err = { statusCode: 500, message: err }
+        const nuxt = this.nuxt || this.$options.nuxt
+        nuxt.dateErr = Date.now()
+        nuxt.err = err
+        // Used in lib/server.js
+        if (ssrContext) ssrContext.nuxt.error = err
        return err
      }
    },
    ...App
  }
  <% if (store) { %>
-  // Make app available in store
+  // Make app available into store via this.app
  store.app = app
  <% } %>
  const next = ssrContext ? ssrContext.next : location => app.router.push(location)
+  // Resolve route
  let route
  if (ssrContext) {
    route = router.resolve(ssrContext.url).route
@ -102,17 +104,19 @@ async function createApp (ssrContext) {
    const path = getLocation(router.options.base)
    route = router.resolve(path).route
  }
-  const ctx = getContext({
+
+  // Set context to app.context
+  await setContext(app, {
    isServer: !!ssrContext,
    isClient: !ssrContext,
    route,
    next,
-    error: app._nuxt.error.bind(app),
-    <% if (store) { %>store,<%  } %>
+    error: app.nuxt.error.bind(app),
+    <% if (store) { %>store,<% } %>
    req: ssrContext ? ssrContext.req : undefined,
    res: ssrContext ? ssrContext.res : undefined,
    beforeRenderFns: ssrContext ? ssrContext.beforeRenderFns : undefined
-  }, app)
+  })

  const inject = function (key, value) {
    if (!key) throw new Error('inject(key, value) has no key provided')
@ -120,11 +124,12 @@ async function createApp (ssrContext) {
    key = '$' + key
    // Add into app
    app[key] = value
-    // Add into vm
+    // Check if plugin not already installed
+    const installKey = '__nuxt_' + key + '_installed__'
+    if (Vue[installKey]) return
+    Vue[installKey] = true
+    // Call Vue.use() to install the plugin into vm
    Vue.use(() => {
-      const installKey = '__nuxt_' + key + '_installed__'
-      if (Vue[installKey]) return
-      Vue[installKey] = true
      if (!Vue.prototype.hasOwnProperty(key)) {
        Object.defineProperty(Vue.prototype, key, {
          get () {
@ -148,16 +153,15 @@ async function createApp (ssrContext) {
  }
  <% } %>

+  // Plugin execution
  <% plugins.filter(p => p.ssr).forEach(plugin => { %>
-  if (typeof <%= plugin.name %> === 'function') await <%= plugin.name %>(ctx, inject)<% }) %>
+  if (typeof <%= plugin.name %> === 'function') await <%= plugin.name %>(app.context, inject)<% }) %>
  <% if (plugins.filter(p => !p.ssr).length) { %>
  if (process.browser) { <% plugins.filter(p => !p.ssr).forEach(plugin => { %>
-    if (typeof <%= plugin.name %> === 'function') await <%= plugin.name %>(ctx, inject)<% }) %>
+    if (typeof <%= plugin.name %> === 'function') await <%= plugin.name %>(app.context, inject)<% }) %>
  }<% } %>

-  // Inject context
-  inject('ctx', ctx)
-
+  // If server-side, wait for async component to be resolved first
  if (process.server && ssrContext && ssrContext.url) {
    await new Promise((resolve, reject) => {
      router.push(ssrContext.url, resolve, reject)
--- a/lib/app/server.js
+++ b/lib/app/server.js
@ -13,11 +13,11 @@ const isDev = <%= isDev %>

 const noopApp = () => new Vue({ render: (h) => h('div') })

-const createNext = context => opts => {
-  context.redirected = opts
+const createNext = ssrContext => opts => {
+  ssrContext.redirected = opts
  // If nuxt generate
-  if (!context.res) {
-    context.nuxt.serverRendered = false
+  if (!ssrContext.res) {
+    ssrContext.nuxt.serverRendered = false
    return
  }
  opts.query = stringify(opts.query)
@ -26,14 +26,14 @@ const createNext = context => opts => {
    opts.path = urlJoin('<%= router.base %>', opts.path)
  }
  // Avoid loop redirect
-  if (opts.path === context.url) {
-    context.redirected = false
+  if (opts.path === ssrContext.url) {
+    ssrContext.redirected = false
    return
  }
-  context.res.writeHead(opts.status, {
+  ssrContext.res.writeHead(opts.status, {
    'Location': opts.path
  })
-  context.res.end()
+  ssrContext.res.end()
 }

 // This exported function will be called by `bundleRenderer`.
@ -41,137 +41,142 @@ const createNext = context => opts => {
 // state of our application before actually rendering it.
 // Since data fetching is async, this function is expected to
 // return a Promise that resolves to the app instance.
-export default async context => {
-  // Create context.next for simulate next() of beforeEach() when wanted to redirect
-  context.redirected = false
-  context.next = createNext(context)
-  context.beforeRenderFns = []
+export default async ssrContext => {
+  // Create ssrContext.next for simulate next() of beforeEach() when wanted to redirect
+  ssrContext.redirected = false
+  ssrContext.next = createNext(ssrContext)
+  // Used for beforeNuxtRender({ Components, nuxtState })
+  ssrContext.beforeRenderFns = []

-  const { app, router<%= (store ? ', store' : '') %> } = await createApp(context)
+  // Create the app definition and the instance (created for each request)
+  const { app, router<%= (store ? ', store' : '') %> } = await createApp(ssrContext)
  const _app = new Vue(app)

-  <% if (store) { %>
-  // Add store to the context
-  context.store = store
-  <% } %>
+  // Nuxt object (window.__NUXT__)
+  ssrContext.nuxt = { layout: 'default', data: [], error: null<%= (store ? ', state: null' : '') %>, serverRendered: true }
+  // Add meta infos (used in renderer.js)
+  ssrContext.meta = _app.$meta()
+  // Keep asyncData for each matched component in ssrContext (used in app/utils.js via this.$ssrContext)
+  ssrContext.asyncData = {}

-  // Add route to the context
-  context.route = router.currentRoute
-
-  // Nuxt object
-  context.nuxt = { layout: 'default', data: [], error: null<%= (store ? ', state: null' : '') %>, serverRendered: true }
-
-  // Add meta infos
-  context.meta = _app.$meta()
-
-  // Error function
-  context.error = _app.$options._nuxt.error.bind(_app)
-
-  // Keep asyncData for each matched component in context
-  context.asyncData = {}
-
-  // Create shared ctx
-  const ctx = getContext(context, app)
+  const beforeRender = async () => {
+    // Call beforeNuxtRender() methods
+    await Promise.all(ssrContext.beforeRenderFns.map((fn) => promisify(fn, { Components, nuxtState: ssrContext.nuxt })))
+    <% if (store) { %>
+    // Add the state from the vuex store
+    ssrContext.nuxt.state = store.state
+    <% } %>
+  }
+  const renderErrorPage = async () => {
+    // Load layout for error page
+    let errLayout = (typeof NuxtError.layout === 'function' ? NuxtError.layout(app.context) : NuxtError.layout)
+    ssrContext.nuxt.layout = errLayout || ''
+    await _app.loadLayout(errLayout)
+    _app.setLayout(errLayout)
+    await beforeRender()
+    return _app
+  }
+  const render404Page = async () => {
+    app.context.error({ statusCode: 404, message: '<%= messages.error_404 %>' })
+    return await renderErrorPage()
+  }

  <% if (isDev) { %>const s = isDev && Date.now()<% } %>

-  // Resolve components
-  let Components = []
-  try {
-    Components = await Promise.all(getMatchedComponents(router.match(context.url)).map(Component => {
-      if (typeof Component !== 'function' || Component.cid) {
-        return sanitizeComponent(Component)
-      }
-      return Component().then(Component => sanitizeComponent(Component))
-    }))
-  } catch (err) {
-    // Throw back error to renderRoute()
-    throw err
-  }
+  // Components are already resolved by setContext -> getRouteData (app/utils.js)
+  const Components = getMatchedComponents(router.match(ssrContext.url))

  <% if (store) { %>
-  // Dispatch store nuxtServerInit
+  /*
+  ** Dispatch store nuxtServerInit
+  */
  if (store._actions && store._actions.nuxtServerInit) {
-    await store.dispatch('nuxtServerInit', ctx)
+    await store.dispatch('nuxtServerInit', app.context)
  }
-  // ...If there is a redirect
-  if (context.redirected) return noopApp()
+  // ...If there is a redirect or an error, stop the process
+  if (ssrContext.redirected) return noopApp()
+  if (ssrContext.nuxt.error) return await renderErrorPage()
  <% } %>

-  // Call global middleware (nuxt.config.js)
+  /*
+  ** Call global middleware (nuxt.config.js)
+  */
  let midd = <%= serialize(router.middleware, { isJSON: true }) %>
  midd = midd.map((name) => {
    if (typeof middleware[name] !== 'function') {
-      context.nuxt.error = context.error({ statusCode: 500, message: 'Unknown middleware ' + name })
+      ssrContext.error({ statusCode: 500, message: 'Unknown middleware ' + name })
    }
    return middleware[name]
  })
-  if (!context.nuxt.error) {
-    await middlewareSeries(midd, ctx)
-  }
-  // ...If there is a redirect
-  if (context.redirected) return noopApp()
+  await middlewareSeries(midd, app.context)
+  // ...If there is a redirect or an error, stop the process
+  if (ssrContext.redirected) return noopApp()
+  if (ssrContext.nuxt.error) return await renderErrorPage()

-  // Set layout
+  /*
+  ** Set layout
+  */
  let layout = Components.length ? Components[0].options.layout : NuxtError.layout
-  if (typeof layout === 'function') layout = layout(ctx)
+  if (typeof layout === 'function') layout = layout(app.context)
  await _app.loadLayout(layout)
  layout = _app.setLayout(layout)
  // ...Set layout to __NUXT__
-  context.nuxt.layout = _app.layoutName
+  ssrContext.nuxt.layout = _app.layoutName

-  // Call middleware (layout + pages)
-  if (!context.nuxt.error) {
-    midd = []
-    if (layout.middleware) midd = midd.concat(layout.middleware)
-    Components.forEach((Component) => {
-      if (Component.options.middleware) {
-        midd = midd.concat(Component.options.middleware)
-      }
-    })
-    midd = midd.map((name) => {
-      if (typeof middleware[name] !== 'function') {
-        context.nuxt.error = context.error({ statusCode: 500, message: 'Unknown middleware ' + name })
-      }
-      return middleware[name]
-    })
+  /*
+  ** Call middleware (layout + pages)
+  */
+  midd = []
+  if (layout.middleware) midd = midd.concat(layout.middleware)
+  Components.forEach((Component) => {
+    if (Component.options.middleware) {
+      midd = midd.concat(Component.options.middleware)
+    }
+  })
+  midd = midd.map((name) => {
+    if (typeof middleware[name] !== 'function') {
+      app.context.error({ statusCode: 500, message: 'Unknown middleware ' + name })
+    }
+    return middleware[name]
+  })
+  await middlewareSeries(midd, app.context)
+  // ...If there is a redirect or an error, stop the process
+  if (ssrContext.redirected) return noopApp()
+  if (ssrContext.nuxt.error) return await renderErrorPage()

-    await middlewareSeries(midd, ctx)
-
-    // If there is a redirect
-    if (context.redirected) return noopApp()
-  }
-
-  // Call .validate()
+  /*
+  ** Call .validate()
+  */
  let isValid = true
  Components.forEach((Component) => {
    if (!isValid) return
    if (typeof Component.options.validate !== 'function') return
    isValid = Component.options.validate({
-      params: context.route.params || {},
-      query: context.route.query  || {},
-      <%= (store ? 'store: ctx.store' : '') %>
+      params: app.context.route.params || {},
+      query: app.context.route.query  || {},
+      <%= (store ? 'store' : '') %>
    })
  })
  // ...If .validate() returned false
  if (!isValid) {
    // Don't server-render the page in generate mode
-    if (context._generate) {
-      context.nuxt.serverRendered = false
-    }
-    // Call the 404 error by making the Components array empty
-    Components = []
+    if (ssrContext._generate) ssrContext.nuxt.serverRendered = false
+    // Render a 404 error page
+    return render404Page()
  }

+  // If no Components found, returns 404
+  if (!Components.length) return render404Page()
+
  // Call asyncData & fetch hooks on components matched by the route.
  let asyncDatas = await Promise.all(Components.map(Component => {
    let promises = []

    // Call asyncData(context)
    if (Component.options.asyncData && typeof Component.options.asyncData === 'function') {
-      let promise = promisify(Component.options.asyncData, ctx)
+      let promise = promisify(Component.options.asyncData, app.context)
      promise.then(asyncDataResult => {
-        context.asyncData[Component.cid] = asyncDataResult
+        ssrContext.asyncData[Component.cid] = asyncDataResult
        applyAsyncData(Component)
        return asyncDataResult
      })
@ -182,7 +187,7 @@ export default async context => {

    // Call fetch(context)
    if (Component.options.fetch) {
-      promises.push(Component.options.fetch(ctx))
+      promises.push(Component.options.fetch(app.context))
    }
    else {
      promises.push(null)
@ -191,38 +196,17 @@ export default async context => {
    return Promise.all(promises)
  }))

-  // If no Components found, returns 404
-  if (!Components.length) {
-    context.nuxt.error = context.error({ statusCode: 404, message: '<%= messages.error_404 %>' })
-  }
-
-  <% if (isDev) { %>if (asyncDatas.length) debug('Data fetching ' + context.url + ': ' + (Date.now() - s) + 'ms')<% } %>
+  <% if (isDev) { %>if (asyncDatas.length) debug('Data fetching ' + ssrContext.url + ': ' + (Date.now() - s) + 'ms')<% } %>

  // datas are the first row of each
-  context.nuxt.data = asyncDatas.map(r => r[0] || {})
+  ssrContext.nuxt.data = asyncDatas.map(r => r[0] || {})

-  // If an error occured in the execution
-  if (_app.$options._nuxt.err) {
-    context.nuxt.error = _app.$options._nuxt.err
-  }
-
-  <% if (store) { %>
-  // Add the state from the vuex store
-  context.nuxt.state = store.state
-  <% } %>
-
-  await Promise.all(context.beforeRenderFns.map((fn) => promisify(fn, { Components, nuxtState: context.nuxt })))
-
-  // If no error, return main app
-  if (!context.nuxt.error) {
-    return _app
-  }
-
-  // Load layout for error page
-  layout = (typeof NuxtError.layout === 'function' ? NuxtError.layout(ctx) : NuxtError.layout)
-  context.nuxt.layout = layout || ''
-  await _app.loadLayout(layout)
-  _app.setLayout(layout)
+  // ...If there is a redirect or an error, stop the process
+  if (ssrContext.redirected) return noopApp()
+  if (ssrContext.nuxt.error) return await renderErrorPage()

+  // Call beforeNuxtRender methods & add store state
+  await beforeRender()
+ 
  return _app
 }
--- a/lib/app/utils.js
+++ b/lib/app/utils.js
@ -11,7 +11,7 @@ if (process.browser) {
  }
 }

-export function applyAsyncData (Component, asyncData) {
+export function applyAsyncData(Component, asyncData) {
  const ComponentData = Component.options.data || noopData
  // Prevent calling this method for each request on SSR context
  if (!asyncData && Component.options.hasAsyncData) {
@ -30,7 +30,11 @@ export function applyAsyncData (Component, asyncData) {
  }
 }

-export function sanitizeComponent (Component) {
+export function sanitizeComponent(Component) {
+  // If Component already sanitized
+  if (Component.options && Component._Ctor === Component) {
+    return Component
+  }
  if (!Component.options) {
    Component = Vue.extend(Component) // fix issue #6
    Component._Ctor = Component
@ -45,7 +49,7 @@ export function sanitizeComponent (Component) {
  return Component
 }

-export function getMatchedComponents (route) {
+export function getMatchedComponents(route) {
  return [].concat.apply([], route.matched.map(function (m) {
    return Object.keys(m.components).map(function (key) {
      return m.components[key]
@ -53,7 +57,7 @@ export function getMatchedComponents (route) {
  }))
 }

-export function getMatchedComponentsInstances (route) {
+export function getMatchedComponentsInstances(route) {
  return [].concat.apply([], route.matched.map(function (m) {
    return Object.keys(m.instances).map(function (key) {
      return m.instances[key]
@ -61,7 +65,7 @@ export function getMatchedComponentsInstances (route) {
  }))
 }

-export function flatMapComponents (route, fn) {
+export function flatMapComponents(route, fn) {
  return Array.prototype.concat.apply([], route.matched.map(function (m, index) {
    return Object.keys(m.components).map(function (key) {
      return fn(m.components[key], m.instances[key], m, key, index)
@ -69,53 +73,79 @@ export function flatMapComponents (route, fn) {
  }))
 }

-export function getContext (context, app) {
-  let ctx = {
-    isServer: !!context.isServer,
-    isClient: !!context.isClient,
-    isStatic: process.static,
-    isDev: <%= isDev %>,
-    isHMR: context.isHMR || false,
-    app: app,
-    <%= (store ? 'store: context.store,' : '') %>
-    route: (context.to ? context.to : context.route),
-    payload: context.payload,
-    error: context.error,
-    base: '<%= router.base %>',
-    env: <%= JSON.stringify(env) %>
-  }
-  const next = context.next
-  ctx.params = ctx.route.params || {}
-  ctx.query = ctx.route.query || {}
-  ctx.redirect = function (status, path, query) {
-    if (!status) return
-    ctx._redirected = true // Used in middleware
-    // if only 1 or 2 arguments: redirect('/') or redirect('/', { foo: 'bar' })
-    if (typeof status === 'string' && (typeof path === 'undefined' || typeof path === 'object')) {
-      query = path || {}
-      path = status
-      status = 302
-    }
-    next({
-      path: path,
-      query: query,
-      status: status
+export async function resolveRouteComponents(route) {
+  await Promise.all(
+    flatMapComponents(route, async (Component, _, match, key) => {
+      // If component is a function, resolve it
+      if (typeof Component === 'function' && !Component.options) {
+        Component = await Component()
+      }
+      return match.components[key] = sanitizeComponent(Component)
    })
-  }
-  if (context.req) ctx.req = context.req
-  if (context.res) ctx.res = context.res
-  if (context.from) ctx.from = context.from
-  if (ctx.isServer && context.beforeRenderFns) {
-    ctx.beforeNuxtRender = (fn) => context.beforeRenderFns.push(fn)
-  }
-  if (ctx.isClient && window.__NUXT__) {
-    ctx.nuxtState = window.__NUXT__
-  }
-  return ctx
+  )
 }

-export function middlewareSeries (promises, context) {
-  if (!promises.length || context._redirected) {
+async function getRouteData(route) {
+  // Make sure the components are resolved (code-splitting)
+  await resolveRouteComponents(route)
+  // Send back a copy of route with meta based on Component definition
+  return {
+    ...route,
+    meta: getMatchedComponents(route).map((Component) => {
+      return Component.options.meta || {}
+    })
+  }
+}
+
+export async function setContext(app, context) {
+  const route = (context.to ? context.to : context.route)
+  // If context not defined, create it
+  if (!app.context) {
+    app.context = {
+      isServer: !!context.isServer,
+      isClient: !!context.isClient,
+      isStatic: process.static,
+      isDev: <%= isDev %>,
+      isHMR: false,
+      app,
+      <%= (store ? 'store: app.store,' : '') %>
+      payload: context.payload,
+      error: context.error,
+      base: '<%= router.base %>',
+      env: <%= JSON.stringify(env) %>
+    }
+    // Only set once
+    if (context.req) app.context.req = context.req
+    if (context.res) app.context.res = context.res
+    app.context.redirect = function (status, path, query) {
+      if (!status) return
+      ctx._redirected = true // Used in middleware
+      // if only 1 or 2 arguments: redirect('/') or redirect('/', { foo: 'bar' })
+      if (typeof status === 'string' && (typeof path === 'undefined' || typeof path === 'object')) {
+        query = path || {}
+        path = status
+        status = 302
+      }
+      app.context.next({
+        path: path,
+        query: query,
+        status: status
+      })
+    }
+    if (app.context.isServer) app.context.beforeNuxtRender = (fn) => context.beforeRenderFns.push(fn)
+    if (app.context.isClient) app.context.nuxtState = window.__NUXT__
+  }
+  // Dynamic keys
+  app.context.next = context.next
+  app.context.isHMR = !!context.isHMR
+  if (context.route) app.context.route = await getRouteData(context.route)
+  app.context.params = app.context.route.params || {}
+  app.context.query = app.context.route.query || {}
+  if (context.from) app.context.from = await getRouteData(context.from)
+}
+
+export function middlewareSeries(promises, appContext) {
+  if (!promises.length || appContext._redirected || appContext.app.nuxt.err) {
    return Promise.resolve()
  }
  return promisify(promises[0], context)
@ -124,7 +154,7 @@ export function middlewareSeries (promises, context) {
  })
 }

-export function promisify (fn, context) {
+export function promisify(fn, context) {
  let promise
  if (fn.length === 2) {
    // fn(context, callback)
@ -147,7 +177,7 @@ export function promisify (fn, context) {
 }

 // Imported from vue-router
-export function getLocation (base, mode) {
+export function getLocation(base, mode) {
  var path = window.location.pathname
  if (mode === 'hash') {
    return window.location.hash.replace(/^#\//, '')
@ -158,7 +188,7 @@ export function getLocation (base, mode) {
  return (path || '/') + window.location.search + window.location.hash
 }

-export function urlJoin () {
+export function urlJoin() {
  return [].slice.call(arguments).join('/').replace(/\/+/g, '/')
 }

@ -171,7 +201,7 @@ export function urlJoin () {
 * @param  {Object=}            options
 * @return {!function(Object=, Object=)}
 */
-export function compile (str, options) {
+export function compile(str, options) {
  return tokensToFunction(parse(str, options))
 }

@ -200,7 +230,7 @@ const PATH_REGEXP = new RegExp([
 * @param  {Object=} options
 * @return {!Array}
 */
-function parse (str, options) {
+function parse(str, options) {
  var tokens = []
  var key = 0
  var index = 0
@ -272,7 +302,7 @@ function parse (str, options) {
 * @param  {string}
 * @return {string}
 */
-function encodeURIComponentPretty (str) {
+function encodeURIComponentPretty(str) {
  return encodeURI(str).replace(/[\/?#]/g, function (c) {
    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
  })
@ -284,7 +314,7 @@ function encodeURIComponentPretty (str) {
 * @param  {string}
 * @return {string}
 */
-function encodeAsterisk (str) {
+function encodeAsterisk(str) {
  return encodeURI(str).replace(/[?#]/g, function (c) {
    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
  })
@ -293,7 +323,7 @@ function encodeAsterisk (str) {
 /**
 * Expose a method for transforming tokens into the path function.
 */
-function tokensToFunction (tokens) {
+function tokensToFunction(tokens) {
  // Compile all the tokens into regexps.
  var matches = new Array(tokens.length)

@ -304,7 +334,7 @@ function tokensToFunction (tokens) {
    }
  }

-  return function (obj, opts) {
+  return function(obj, opts) {
    var path = ''
    var data = obj || {}
    var options = opts || {}
@ -380,7 +410,7 @@ function tokensToFunction (tokens) {
 * @param  {string} str
 * @return {string}
 */
-function escapeString (str) {
+function escapeString(str) {
  return str.replace(/([.+*?=^!:${}()[\]|\/\\])/g, '\\$1')
 }

@ -390,6 +420,6 @@ function escapeString (str) {
 * @param  {string} group
 * @return {string}
 */
-function escapeGroup (group) {
+function escapeGroup(group) {
  return group.replace(/([=!:$\/()])/g, '\\$1')
 }
--- a/lib/builder/builder.js
+++ b/lib/builder/builder.js
@ -184,7 +184,7 @@ export default class Builder extends Tapable {
    debug('Generating files...')
    // -- Templates --
    let templatesFiles = [
-      'App.vue',
+      'App.js',
      'client.js',
      'index.js',
      'middleware.js',
@ -196,7 +196,7 @@ export default class Builder extends Tapable {
      'components/nuxt-loading.vue',
      'components/nuxt-child.js',
      'components/nuxt-link.js',
-      'components/nuxt.vue',
+      'components/nuxt.js',
      'components/no-ssr.js',
      'views/app.template.html',
      'views/error.html'
@ -215,7 +215,7 @@ export default class Builder extends Tapable {
      store: this.options.store,
      css: this.options.css,
      plugins: this.plugins,
-      appPath: './App.vue',
+      appPath: './App.js',
      layouts: Object.assign({}, this.options.layouts),
      loading: typeof this.options.loading === 'string' ? this.relativeToBuild(this.options.srcDir, this.options.loading) : this.options.loading,
      transition: this.options.transition,