From ac151a41f0ec58e2b50425ab0eaa7b65fe81f708 Mon Sep 17 00:00:00 2001
From: Pooya Parsa <pooya@pi0.ir>
Date: Thu, 27 Apr 2017 15:50:43 +0430
Subject: [PATCH] Basic vue-server-renderer/client-plugin integration

---
 lib/build.js                 | 60 +++++++++++++++++++++++-------------
 lib/webpack/client.config.js |  5 +++
 2 files changed, 44 insertions(+), 21 deletions(-)

diff --git a/lib/build.js b/lib/build.js
index 7316939ed7..fdbe87637d 100644
--- a/lib/build.js
+++ b/lib/build.js
@@ -101,9 +101,11 @@ export function options () {
     }
     const serverConfig = getWebpackServerConfig.call(this)
     const bundlePath = join(serverConfig.output.path, 'server-bundle.json')
-    if (fs.existsSync(bundlePath)) {
+    const manifestPath = join(serverConfig.output.path, 'client-manifest.json')
+    if (fs.existsSync(bundlePath) && fs.existsSync(manifestPath)) {
       const bundle = fs.readFileSync(bundlePath, 'utf8')
-      createRenderer.call(this, JSON.parse(bundle))
+      const manifest = fs.readFileSync(manifestPath, 'utf8')
+      createRenderer.call(this, JSON.parse(bundle), JSON.parse(manifest))
       addAppTemplate.call(this)
     }
   }
@@ -137,15 +139,13 @@ export function * build () {
 function * buildFiles () {
   if (this.dev) {
     debug('Adding webpack middleware...')
-    createWebpackMiddleware.call(this)
-    webpackWatchAndUpdate.call(this)
+    const clientCompiler = createWebpackMiddleware.call(this)
+    webpackWatchAndUpdate.call(this, clientCompiler)
     watchPages.call(this)
   } else {
     debug('Building files...')
-    yield [
-      webpackRunClient.call(this),
-      webpackRunServer.call(this)
-    ]
+    yield webpackRunClient.call(this)
+    yield webpackRunServer.call(this)
     addAppTemplate.call(this)
   }
 }
@@ -407,19 +407,34 @@ function createWebpackMiddleware () {
       })
     }
   })
+  return clientCompiler
 }
 
-function webpackWatchAndUpdate () {
+function webpackWatchAndUpdate (clientCompiler) {
   const MFS = require('memory-fs') // <- dependencies of webpack
-  const mfs = new MFS()
+  const serverFS = new MFS()
+  const clientFS = clientCompiler.outputFileSystem
   const serverConfig = getWebpackServerConfig.call(this)
   const serverCompiler = webpack(serverConfig)
-  const outputPath = join(serverConfig.output.path, 'server-bundle.json')
-  serverCompiler.outputFileSystem = mfs
-  this.webpackServerWatcher = serverCompiler.watch(this.options.watchers.webpack, (err) => {
+  const bundlePath = join(serverConfig.output.path, 'server-bundle.json')
+  const manifestPath = join(serverConfig.output.path, 'client-manifest.json')
+  serverCompiler.outputFileSystem = serverFS
+  const watchHandler = (err) => {
     if (err) throw err
-    createRenderer.call(this, JSON.parse(mfs.readFileSync(outputPath, 'utf-8')))
-  })
+    const bundleExists = serverFS.existsSync(bundlePath)
+    const manifestExists = clientFS.existsSync(manifestPath)
+    if (!bundleExists) {
+      debug('Waiting for server bundle...')
+    } else if (!manifestExists) {
+      debug('Waiting for client manifest...')
+    } else {
+      const bundle = serverFS.readFileSync(bundlePath, 'utf-8')
+      const manifest = clientFS.readFileSync(manifestPath, 'utf-8')
+      createRenderer.call(this, JSON.parse(bundle), JSON.parse(manifest))
+    }
+  }
+  this.webpackServerWatcher = serverCompiler.watch(this.options.watchers.webpack, watchHandler)
+  this.webpackClientWatcher = clientCompiler.watch(this.options.watchers.webpack, watchHandler)
 }
 
 function webpackRunClient () {
@@ -444,16 +459,18 @@ function webpackRunServer () {
       console.log('[nuxt:build:server]\n', stats.toString(webpackStats)) // eslint-disable-line no-console
       if (stats.hasErrors()) return reject(new Error('Webpack build exited with errors'))
       const bundlePath = join(serverConfig.output.path, 'server-bundle.json')
+      const manifestPath = join(serverConfig.output.path, 'client-manifest.json')
       readFile(bundlePath, 'utf8')
-      .then((bundle) => {
-        createRenderer.call(this, JSON.parse(bundle))
-        resolve()
-      })
+      .then((bundle) => readFile(manifestPath, 'utf8')
+        .then(manifest => {
+          createRenderer.call(this, JSON.parse(bundle), JSON.parse(manifest))
+          resolve()
+        }))
     })
   })
 }
 
-function createRenderer (bundle) {
+function createRenderer (bundle, manifest) {
   // Create bundle renderer to give a fresh context for every request
   let cacheConfig = false
   if (this.options.cache) {
@@ -464,7 +481,8 @@ function createRenderer (bundle) {
     }))
   }
   this.renderer = createBundleRenderer(bundle, {
-    cache: cacheConfig
+    cache: cacheConfig,
+    clientManifest: manifest
   })
   this.renderToString = pify(this.renderer.renderToString)
   this.renderToStream = this.renderer.renderToStream
diff --git a/lib/webpack/client.config.js b/lib/webpack/client.config.js
index c2e53b90a5..92380ad483 100644
--- a/lib/webpack/client.config.js
+++ b/lib/webpack/client.config.js
@@ -2,6 +2,7 @@
 
 import { each, defaults } from 'lodash'
 import webpack from 'webpack'
+import VueSSRClientPlugin from 'vue-server-renderer/client-plugin'
 import HTMLPlugin from 'html-webpack-plugin'
 import FriendlyErrorsWebpackPlugin from 'friendly-errors-webpack-plugin'
 import ScriptExtHtmlWebpackPlugin from 'script-ext-html-webpack-plugin'
@@ -45,6 +46,9 @@ export default function () {
   })
   // Webpack plugins
   config.plugins = (config.plugins || []).concat([
+    new VueSSRClientPlugin({
+      filename: 'client-manifest.json'
+    }),
     // Strip comments in Vue code
     new webpack.DefinePlugin(Object.assign(env, {
       'process.env.NODE_ENV': JSON.stringify(this.dev ? 'development' : 'production'),
@@ -61,6 +65,7 @@ export default function () {
     // Extract manifest
     new webpack.optimize.CommonsChunkPlugin({
       name: 'manifest',
+      minChunks: Infinity,
       filename: this.options.build.filenames.manifest
     }),
     // Generate output HTML