perf: use es6 import for plugins

lib/app/empty.js

@@ -0,0 +1 @@
+// This file is intentially left empty for noop aliases

lib/app/index.js

@@ -9,40 +9,16 @@ import Nuxt from './components/nuxt.vue'
 import App from '<%= appPath %>'
 import { getContext } from './utils'
 <% if (store) { %>import { createStore } from './store.js'<% } %>
-
-if (process.browser) {
-  // window.onNuxtReady(() => console.log('Ready')) hook
-  // Useful for jsdom testing or plugins (https://github.com/tmpvar/jsdom#dealing-with-asynchronous-script-loading)
-  window._nuxtReadyCbs = []
-  window.onNuxtReady = function (cb) {
-    window._nuxtReadyCbs.push(cb)
-  }
-}
-
-<% if (plugins.filter(p => p.ssr).length) { %>
-// Require plugins
-<% plugins.filter(p => p.ssr).forEach(plugin => { %>
-let <%= plugin.name %> = require('<%= relativeToBuild(plugin.src) %>')
-<%= plugin.name %> = <%= plugin.name %>.default || <%= plugin.name %>
+<% plugins.forEach(plugin => { %>import <%= plugin.name %> from '<%= plugin.name %>'
 <% }) %>
-<% } %>
-
-<% if (plugins.filter(p => !p.ssr).length) { %>
-// Require browser-only plugins
-if (process.browser) {
-  <% plugins.filter(p => !p.ssr).forEach(plugin => { %>
-  let <%= plugin.name %> = require('<%= relativeToBuild(plugin.src) %>')
-  <%= plugin.name %> = <%= plugin.name %>.default || <%= plugin.name %>
-  <% }) %>
-}
-<% } %>
-
 
 // Component: <nuxt-child>
 Vue.component(NuxtChild.name, NuxtChild)
+
 // Component: <nuxt-link>
 Vue.component(NuxtLink.name, NuxtLink)
-// Component: <nuxt>
+
+// Component: <nuxt>`
 Vue.component(Nuxt.name, Nuxt)
 
 // vue-meta configuration
@@ -132,24 +108,17 @@ async function createApp (ssrContext) {
     route: router.currentRoute,
     next,
     error: app._nuxt.error.bind(app),
-    <% if(store) { %> store,<%  } %> 
+    <% if(store) { %>store,<%  } %> 
     req: ssrContext ? ssrContext.req : undefined,
     res: ssrContext ? ssrContext.res : undefined,
   }, app)
 
-  <% if (plugins.filter(p => p.ssr).length) { %>
   <% plugins.filter(p => p.ssr).forEach(plugin => { %>
-    if (typeof <%= plugin.name %> === 'function') await <%= plugin.name %>(ctx) 
-  <% }) %>
-  <% } %>
-
+  if (typeof <%= plugin.name %> === 'function') await <%= plugin.name %>(ctx)<% }) %>
   <% 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) 
-    <% }) %>
-  }
-  <% } %>
+  if (process.browser) { <% plugins.filter(p => !p.ssr).forEach(plugin => { %>
+    if (typeof <%= plugin.name %> === 'function') await <%= plugin.name %>(ctx)<% }) %>
+  }<% } %>
 
   return {
     app,
@@ -158,4 +127,4 @@ async function createApp (ssrContext) {
   }
 }
 
-export { createApp, NuxtError }
+export { createApp, NuxtError }

lib/app/utils.js

@@ -2,6 +2,15 @@ import Vue from 'vue'
 
 const noopData = () => ({})
 
+// window.onNuxtReady(() => console.log('Ready')) hook
+// Useful for jsdom testing or plugins (https://github.com/tmpvar/jsdom#dealing-with-asynchronous-script-loading)
+if (process.browser) {
+  window._nuxtReadyCbs = []
+  window.onNuxtReady = function (cb) {
+    window._nuxtReadyCbs.push(cb)
+  }
+}
+
 export function applyAsyncData (Component, asyncData = {}) {
   const ComponentData = Component.options.data || noopData
   // Prevent calling this method for each request on SSR context

lib/builder/builder.js

@@ -49,6 +49,14 @@ export default class Builder extends Tapable {
     this._buildStatus = STATUS.INITIAL
   }
 
+  get plugins () {
+    return this.options.plugins.map((p, i) => {
+      if (typeof p === 'string') p = { src: p }
+      p.src = r(this.options.srcDir, p.src)
+      return { src: p.src, ssr: (p.ssr !== false), name: `plugin${i}` }
+    })
+  }
+
   async build () {
     // Avoid calling build() method multiple times when dev:true
     /* istanbul ignore if */
@@ -119,6 +127,7 @@ export default class Builder extends Tapable {
       'router.js',
       'server.js',
       'utils.js',
+      'empty.js',
       'components/nuxt-error.vue',
       'components/nuxt-loading.vue',
       'components/nuxt-child.js',
@@ -137,11 +146,7 @@ export default class Builder extends Tapable {
       middleware: fs.existsSync(join(this.options.srcDir, 'middleware')),
       store: this.options.store,
       css: this.options.css,
-      plugins: this.options.plugins.map((p, i) => {
-        if (typeof p === 'string') p = { src: p }
-        p.src = r(this.options.srcDir, p.src)
-        return { src: p.src, ssr: (p.ssr !== false), name: `plugin${i}` }
-      }),
+      plugins: this.plugins,
       appPath: './App.vue',
       layouts: Object.assign({}, this.options.layouts),
       loading: typeof this.options.loading === 'string' ? this.relativeToBuild(this.options.srcDir, this.options.loading) : this.options.loading,
@@ -264,16 +269,32 @@ export default class Builder extends Tapable {
 
   async webpackBuild () {
     debug('Building files...')
-    let compilersOptions = []
+    const compilersOptions = []
 
     // Client
-    let clientConfig = clientWebpackConfig.call(this)
+    const clientConfig = clientWebpackConfig.call(this)
     compilersOptions.push(clientConfig)
 
     // Server
-    let serverConfig = serverWebpackConfig.call(this)
+    const serverConfig = serverWebpackConfig.call(this)
     compilersOptions.push(serverConfig)
 
+    // Alias plugins to their real path
+    this.plugins.forEach(p => {
+      const src = this.relativeToBuild(p.src)
+
+      // Client config
+      if (!clientConfig.resolve.alias[p.name]) {
+        clientConfig.resolve.alias[p.name] = src
+      }
+
+      // Server config
+      if (!serverConfig.resolve.alias[p.name]) {
+        // Alias to noop for ssr:false plugins
+        serverConfig.resolve.alias[p.name] = p.ssr ? src : './empty.js'
+      }
+    })
+
     // Simulate webpack multi compiler interface
     // Separate compilers are simpler, safer and faster
     this.compiler = { compilers: [] }