From 9c8752d4521c7cffccf4313eca5cd6ff4f88c305 Mon Sep 17 00:00:00 2001
From: Yukai Huang
Date: Tue, 11 Oct 2016 12:30:30 +0800
Subject: Split common vendor javascript into chunks

---
 package.json            |  2 ++
 public/js/index.js      |  5 -----
 public/js/public.js     |  4 ----
 public/views/foot.ejs   |  2 +-
 public/views/index.ejs  |  3 +--
 public/views/pretty.ejs |  2 +-
 public/views/slide.ejs  |  2 +-
 webpack.config.js       | 16 ++++++++++++++--
 8 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/package.json b/package.json
index 52f646e6..ea83c7af 100644
--- a/package.json
+++ b/package.json
@@ -120,6 +120,8 @@
     "babel-loader": "^6.2.5",
     "bower-webpack-plugin": "^0.1.9",
     "css-loader": "^0.25.0",
+    "exports-loader": "^0.6.3",
+    "expose-loader": "^0.7.1",
     "extract-text-webpack-plugin": "^1.0.1",
     "file-loader": "^0.9.0",
     "imports-loader": "^0.6.5",
diff --git a/public/js/index.js b/public/js/index.js
index bac2c9d0..0c6bb03a 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -5,14 +5,9 @@ require('jquery-ui/ui/widgets/controlgroup');
 require('jquery-ui/ui/widgets/autocomplete');
 
 /* jquery and jquery plugins */
-require('jquery');
-require('jquery-textcomplete');
-require('jquery-mousewheel');
-require('jquery-scrollspy/jquery-scrollspy');
 require('../vendor/showup/showup');
 
 /* bootstrap */
-require('bootstrap');
 require('bootstrap/dist/css/bootstrap.css');
 
 require('prismjs/themes/prism.css');
diff --git a/public/js/public.js b/public/js/public.js
index 858de389..b6d4f7a0 100644
--- a/public/js/public.js
+++ b/public/js/public.js
@@ -5,10 +5,6 @@ require('jquery-ui/ui/widgets/controlgroup');
 require('jquery-ui/ui/widgets/autocomplete');
 
 /* jquery and jquery plugins */
-require('jquery');
-require('jquery-textcomplete');
-require('jquery-mousewheel');
-require('jquery-scrollspy/jquery-scrollspy');
 require('../vendor/showup/showup');
 
 /* bootstrap */
diff --git a/public/views/foot.ejs b/public/views/foot.ejs
index 150214f4..9ce320bc 100644
--- a/public/views/foot.ejs
+++ b/public/views/foot.ejs
@@ -23,7 +23,7 @@
 <% } %>
 <script src="<%- url %>/vendor/Idle.Js/build/idle.min.js" defer></script>
 <script src="<%- url %>/vendor/lz-string/libs/lz-string.min.js" defer></script>
-<script src="<%- url %>/vendor/jquery/dist/jquery.min.js" defer></script>
+<script src="<%- url %>/build/vendor.bundle.js" defer></script>
 <!--codemirror-->
 <script src="<%- url %>/vendor/codemirror/codemirror.min.js" defer></script>
 <script src="<%- url %>/vendor/inlineAttachment/inline-attachment.js" defer></script>
diff --git a/public/views/index.ejs b/public/views/index.ejs
index 04a401a4..79ee5ddc 100644
--- a/public/views/index.ejs
+++ b/public/views/index.ejs
@@ -193,9 +193,8 @@
 	<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment-with-locales.min.js" defer></script>
 	<script src="//cdnjs.cloudflare.com/ajax/libs/js-url/2.3.0/url.min.js" defer></script>
 	<% } else { %>
-	<script src="<%- url %>/vendor/jquery/dist/jquery.min.js" defer></script>
+    <script src="<%- url %>/build/vendor.bundle.js" defer></script>
     <script src="<%- url %>/vendor/velocity/velocity.min.js" defer></script>
-	<script src="<%- url %>/vendor/bootstrap/dist/js/bootstrap.min.js" defer></script>
 	<script src="<%- url %>/vendor/select2/select2.min.js" defer></script>
 	<script src="<%- url %>/vendor/moment/min/moment-with-locales.min.js" defer></script>
 	<script src="<%- url %>/vendor/js-url/url.min.js" defer></script>
diff --git a/public/views/pretty.ejs b/public/views/pretty.ejs
index 6b1096bb..346cb272 100644
--- a/public/views/pretty.ejs
+++ b/public/views/pretty.ejs
@@ -90,7 +90,7 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment-with-locales.min.js" defer></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" defer></script>
 <% } else { %>
-<script src="<%- url %>/vendor/jquery/dist/jquery.min.js"></script>
+<script src="<%- url %>/build/vendor.bundle.js" defer></script>
 <script src="<%- url %>/vendor/js-yaml/dist/js-yaml.min.js" defer></script>
 <script type="text/javascript" src="<%- url %>/vendor/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML" defer></script>
 <script src="<%- url %>/vendor/moment/min/moment-with-locales.js" defer></script>
diff --git a/public/views/slide.ejs b/public/views/slide.ejs
index 1549989f..8c248917 100644
--- a/public/views/slide.ejs
+++ b/public/views/slide.ejs
@@ -87,7 +87,7 @@
         <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.14.1/moment-with-locales.min.js" defer></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/mermaid/6.0.0/mermaid.min.js" defer></script>
         <% } else { %>
-        <script src="<%- url %>/vendor/jquery/dist/jquery.min.js"></script>
+        <script src="<%- url %>/build/vendor.bundle.js" defer></script>
         <script src="<%- url %>/vendor/reveal.js/lib/js/head.min.js"></script>
         <script src="<%- url %>/vendor/reveal.js/js/reveal.js"></script>
         <script src="<%- url %>/vendor/velocity/velocity.min.js" defer></script>
diff --git a/webpack.config.js b/webpack.config.js
index 5a7d6718..de2bb8b6 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -17,14 +17,26 @@ module.exports = {
         new webpack.DefinePlugin({
             "require.specified": "require.resolve"
         }),
-        new ExtractTextPlugin("[name].css")
+        new ExtractTextPlugin("[name].css"),
+        new webpack.optimize.CommonsChunkPlugin({
+            name: "vendor",
+            filename: "vendor.bundle.js",
+            minChunks: Infinity,
+        })
     ],
 
     entry: {
         index: path.join(__dirname, 'public/js/index.js'),
         public: path.join(__dirname, 'public/js/public.js'),
         slide: path.join(__dirname, 'public/js/slide.js'),
-        locale: path.join(__dirname, 'public/js/locale.js')
+        locale: path.join(__dirname, 'public/js/locale.js'),
+        vendor: [
+            "expose?$!expose?jQuery!jquery",
+            "jquery-textcomplete",
+            "jquery-mousewheel",
+            "jquery-scrollspy/jquery-scrollspy",
+            "bootstrap"
+        ]
     },
 
     output: {
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