From f74641a5488a8a0d759dd56390d5f525630515bb Mon Sep 17 00:00:00 2001
From: Chi Vinh Le <vinh@wikiwi.io>
Date: Wed, 14 Mar 2018 20:24:26 +0100
Subject: [PATCH] Cache busting

---
 .../components/QuestionBoxBuilder.js          |   4 +-
 middleware/staticTemplate.js                  |  37 +++
 package.json                                  |   3 +-
 views/admin.ejs                               |   4 +-
 views/article.ejs                             |   2 +-
 views/auth-callback.ejs                       |   2 +-
 views/embed/stream.ejs                        |   6 +-
 views/login.ejs                               |   4 +-
 webpack.config.js                             | 185 ++++++++------
 yarn.lock                                     | 235 ++++++++++--------
 10 files changed, 296 insertions(+), 186 deletions(-)

diff --git a/client/coral-embed-stream/src/tabs/configure/components/QuestionBoxBuilder.js b/client/coral-embed-stream/src/tabs/configure/components/QuestionBoxBuilder.js
index 30fd8842c..604eb1179 100644
--- a/client/coral-embed-stream/src/tabs/configure/components/QuestionBoxBuilder.js
+++ b/client/coral-embed-stream/src/tabs/configure/components/QuestionBoxBuilder.js
@@ -25,7 +25,9 @@ class QuestionBoxBuilder extends React.Component {
   async loadEditor() {
     const {
       default: MarkdownEditor,
-    } = await import('coral-framework/components/MarkdownEditor');
+    } = await import(/* webpackChunkName: "markdownEditor" */
+
+    'coral-framework/components/MarkdownEditor');
 
     return this.setState({
       loading: false,
diff --git a/middleware/staticTemplate.js b/middleware/staticTemplate.js
index 5a7c34b60..61c9ef59f 100644
--- a/middleware/staticTemplate.js
+++ b/middleware/staticTemplate.js
@@ -1,4 +1,8 @@
 const SettingsService = require('../services/settings');
+const fs = require('fs');
+const path = require('path');
+const merge = require('lodash/merge');
+const memoize = require('lodash/memoize');
 
 const {
   BASE_URL,
@@ -34,6 +38,37 @@ const attachStaticLocals = locals => {
   }
 };
 
+function getManifest() {
+  return merge(
+    {},
+    ...['../dist/manifest.json', '../dist/manifest.embed.json']
+      .map(f => fs.readFileSync(path.resolve(__dirname, f), 'utf8'))
+      .map(JSON.parse)
+  );
+}
+
+const getManifestMemoized = memoize(getManifest);
+
+if (process.env.NODE_ENV === 'production') {
+  // Crash early if file does not exists.
+  getManifestMemoized();
+}
+
+function resolve(key) {
+  if (process.env.NODE_ENV === 'production') {
+    return `${STATIC_URL}static/${getManifestMemoized()[key]}`;
+  } else {
+    // In dev mode, we are more forgiving and we always load the
+    // newest version of the manifest.
+    try {
+      return `${STATIC_URL}static/${getManifest()[key]}`;
+    } catch (err) {
+      console.warn(err);
+      return '';
+    }
+  }
+}
+
 module.exports = async (req, res, next) => {
   try {
     // Attach the custom css url.
@@ -46,6 +81,8 @@ module.exports = async (req, res, next) => {
   // Always attach the locals.
   attachStaticLocals(res.locals);
 
+  res.locals.resolve = resolve;
+
   // Forward the request.
   next();
 };
diff --git a/package.json b/package.json
index 29becde3e..0aa4f247b 100644
--- a/package.json
+++ b/package.json
@@ -116,7 +116,6 @@
     "graphql-tag": "^1.2.3",
     "graphql-tools": "^0.10.1",
     "hammerjs": "^2.0.8",
-    "hard-source-webpack-plugin": "^0.6.0",
     "helmet": "3.8.2",
     "history": "^3.0.0",
     "hjson": "^3.1.1",
@@ -222,11 +221,13 @@
     "lint-staged": "^7.0.0",
     "mocha": "^3.1.2",
     "mocha-junit-reporter": "^1.12.1",
+    "name-all-modules-plugin": "^1.0.1",
     "nightwatch": "^0.9.16",
     "nodemon": "^1.11.0",
     "selenium-standalone": "^6.11.0",
     "sinon": "^3.2.1",
     "sinon-chai": "^2.13.0",
+    "webpack-manifest-plugin": "^2.0.0-rc.2",
     "yaml-lint": "^1.0.0"
   },
   "engines": {
diff --git a/views/admin.ejs b/views/admin.ejs
index 36356f797..c3ccf5aad 100644
--- a/views/admin.ejs
+++ b/views/admin.ejs
@@ -5,7 +5,7 @@
     <title>Talk - Coral Admin</title>
     <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500" rel="stylesheet">
     <link rel="stylesheet" href="https://code.getmdl.io/1.2.1/material.min.css">
-    <link rel="stylesheet" type="text/css" href="<%= STATIC_URL %>static/coral-admin/bundle.css">
+    <link rel="stylesheet" type="text/css" href="<%= resolve('coral-admin/bundle.css') %>">
     <style media="screen">
       body, #root {
         width: 100%;
@@ -24,6 +24,6 @@
   <body class="admin-page">
     <div id="root"></div>
     <script src='https://www.google.com/recaptcha/api.js?render=explicit' async defer></script>
-    <script src="<%= STATIC_URL %>static/coral-admin/bundle.js" charset="utf-8"></script>
+    <script src="<%= resolve('coral-admin/bundle.js') %>" charset="utf-8"></script>
   </body>
 </html>
diff --git a/views/article.ejs b/views/article.ejs
index 48d361d38..70852112e 100644
--- a/views/article.ejs
+++ b/views/article.ejs
@@ -25,7 +25,7 @@
     <p><%= body %></p>
     <p><a href="<%= BASE_PATH %>admin">Admin</a> - <a href="<%= BASE_PATH %>assets">All Assets</a></p>
     <div id='coralStreamEmbed'></div>
-    <script src="<%= STATIC_URL %>static/embed.js" async onload="
+    <script src="<%= resolve('embed.js') %>" async onload="
       window.TalkEmbed = Coral.Talk.render(document.getElementById('coralStreamEmbed'), {
         talk: '<%= BASE_URL %>',
         asset_url: '<%= asset_url ? asset_url : '' %>',
diff --git a/views/auth-callback.ejs b/views/auth-callback.ejs
index 424889065..e4d2387b7 100644
--- a/views/auth-callback.ejs
+++ b/views/auth-callback.ejs
@@ -5,6 +5,6 @@
   </head>
   <body>
     <script type="application/json" id="auth"><%- encodeJSONForHTML(auth) %></script>
-    <script type="text/javascript" src="<%= STATIC_URL %>static/coral-auth-callback/bundle.js"></script>
+    <script type="text/javascript" src="<%= resolve('coral-auth-callback/bundle.js') %>"></script>
   </body>
 </html>
diff --git a/views/embed/stream.ejs b/views/embed/stream.ejs
index 062dc582a..50faaf5c2 100644
--- a/views/embed/stream.ejs
+++ b/views/embed/stream.ejs
@@ -2,12 +2,12 @@
 <html>
   <head>
     <meta name="viewport" content="width=device-width, user-scalable=no">
-    <link rel="stylesheet" type="text/css" href="<%= STATIC_URL %>static/embed/stream/default.css">
-    <link rel="stylesheet" type="text/css" href="<%= STATIC_URL %>static/embed/stream/bundle.css">
+    <link rel="stylesheet" type="text/css" href="<%= resolve('embed/stream/default.css') %>">
+    <link rel="stylesheet" type="text/css" href="<%= resolve('embed/stream/bundle.css') %>">
     <%- include ../partials/head %>
   </head>
   <body class="embed-stream-page">
     <div id="talk-embed-stream-container"></div>
-    <script src="<%= STATIC_URL %>static/embed/stream/bundle.js"></script>
+    <script src="<%= resolve('embed/stream/bundle.js') %>"></script>
   </body>
 </html>
diff --git a/views/login.ejs b/views/login.ejs
index 50c90db3c..9ae282f65 100644
--- a/views/login.ejs
+++ b/views/login.ejs
@@ -2,12 +2,12 @@
 <html>
   <head>
     <meta name="viewport" content="width=device-width, user-scalable=no">
-    <link rel="stylesheet" type="text/css" href="<%= STATIC_URL %>static/coral-login/bundle.css">
+    <link rel="stylesheet" type="text/css" href="<%= resolve('coral-login/bundle.css') %>">
     <%- include partials/head %>
   </head>
   <body>
     <div id="talk-login-container"></div>
     <script src='https://www.google.com/recaptcha/api.js?render=explicit' async defer></script>
-    <script src="<%= STATIC_URL %>static/coral-login/bundle.js"></script>
+    <script src="<%= resolve('coral-login/bundle.js') %>"></script>
   </body>
 </html>
diff --git a/webpack.config.js b/webpack.config.js
index 5254d0954..4d54acf44 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -8,9 +8,13 @@ const _ = require('lodash');
 const Copy = require('copy-webpack-plugin');
 const webpack = require('webpack');
 const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
-const HardSourceWebpackPlugin = require('hard-source-webpack-plugin');
 const debug = require('debug')('talk:webpack');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
+const ManifestPlugin = require('webpack-manifest-plugin');
+
+// Needed to enforce stable asset hashes.
+// https://medium.com/webpack/predictable-long-term-caching-with-webpack-d3eee1d3fa31
+const NameAllModulesPlugin = require('name-all-modules-plugin');
 
 // Possibly load the config from the .env file (if there is one).
 require('dotenv').config();
@@ -57,8 +61,8 @@ const config = {
   output: {
     path: path.join(__dirname, 'dist'),
     publicPath: '',
-    filename: '[name].js',
-    chunkFilename: '[name].chunk.js',
+    filename: '[name].[chunkhash].js',
+    chunkFilename: '[name].[chunkhash].chunk.js',
   },
   module: {
     rules: [
@@ -112,12 +116,14 @@ const config = {
   },
   plugins: [
     new ExtractTextPlugin({
-      filename: getPath => getPath('[name].css'),
+      // Use contenthash instead of chunk hash see
+      // https://survivejs.com/webpack/optimizing/adding-hashes-to-filenames/#setting-up-hashing
+      filename: getPath => getPath('[name].[contenthash].css'),
     }),
     new Copy([
       ...buildEmbeds.map(embed => ({
         from: path.join(__dirname, 'client', `coral-embed-${embed}`, 'style'),
-        to: path.join(__dirname, 'dist', 'embed', embed),
+        to: path.join(__dirname, 'dist', 'embed', embed, '[name].[hash].[ext]'),
       })),
     ]),
     autoprefixer,
@@ -142,7 +148,12 @@ const config = {
       TALK_DEFAULT_LANG: 'en',
     }),
     new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
-    new HardSourceWebpackPlugin(),
+
+    // We follow this article for stable hashes.
+    // https://medium.com/webpack/predictable-long-term-caching-with-webpack-d3eee1d3fa31
+    new webpack.NamedModulesPlugin(),
+    new webpack.NamedChunksPlugin(),
+    new NameAllModulesPlugin(),
   ],
   resolveLoader: {
     modules: [
@@ -255,9 +266,15 @@ if (process.env.NODE_ENV === 'production') {
 // Entries
 //==============================================================================
 
+function customizeConcatArrays(objValue, srcValue) {
+  if (_.isArray(objValue)) {
+    return objValue.concat(srcValue);
+  }
+}
+
 // Applies the base configuration to the following entries.
 const applyConfig = (entries, root = {}) =>
-  _.merge(
+  _.mergeWith(
     {},
     config,
     {
@@ -280,9 +297,17 @@ const applyConfig = (entries, root = {}) =>
         {}
       ),
     },
-    root
+    root,
+    customizeConcatArrays
   );
 
+// Hack until this issue is resolved https://github.com/webpack-contrib/copy-webpack-plugin/issues/104
+const copyWebpackPluginManifestHack = file => {
+  // Remove hash in manifest key
+  file.name = file.name.replace(/(\.[a-f0-9]{32})(\..*)$/, '$2');
+  return file;
+};
+
 module.exports = [
   // Coral Embed
   applyConfig(
@@ -297,82 +322,100 @@ module.exports = [
     {
       output: {
         library: 'Coral',
+        // don't hash the embed.
+        filename: '[name].js',
       },
+      plugins: [
+        new ManifestPlugin({
+          fileName: 'manifest.embed.json',
+          map: copyWebpackPluginManifestHack,
+        }),
+      ],
     }
   ),
 
   // All framework targets/embeds/plugins.
-  applyConfig([
-    // Load in all the targets.
-    ...buildTargets.map(target => {
-      let disablePolyfill = false;
-      if (typeof target !== 'string') {
-        disablePolyfill = target.disablePolyfill;
-        target = target.name;
-      }
+  applyConfig(
+    [
+      // Load in all the targets.
+      ...buildTargets.map(target => {
+        let disablePolyfill = false;
+        if (typeof target !== 'string') {
+          disablePolyfill = target.disablePolyfill;
+          target = target.name;
+        }
 
-      return {
-        name: `${target}/bundle`,
-        path: path.join(__dirname, 'client/', target, '/src/index'),
-        disablePolyfill,
-      };
-    }),
+        return {
+          name: `${target}/bundle`,
+          path: path.join(__dirname, 'client/', target, '/src/index'),
+          disablePolyfill,
+        };
+      }),
 
-    // Load in all the embeds.
-    ...buildEmbeds.map(embed => ({
-      name: `embed/${embed}/bundle`,
-      path: path.join(
-        __dirname,
-        'client/',
-        `coral-embed-${embed}`,
-        '/src/index'
-      ),
-    })),
+      // Load in all the embeds.
+      ...buildEmbeds.map(embed => ({
+        name: `embed/${embed}/bundle`,
+        path: path.join(
+          __dirname,
+          'client/',
+          `coral-embed-${embed}`,
+          '/src/index'
+        ),
+      })),
 
-    // Load in all the plugin entries.
-    ...targetPlugins.reduce((entries, plugin) => {
-      // Introspect the path to find a targets folder.
-      let folder = path.dirname(plugin.path);
-      let files = fs.readdirSync(folder);
+      // Load in all the plugin entries.
+      ...targetPlugins.reduce((entries, plugin) => {
+        // Introspect the path to find a targets folder.
+        let folder = path.dirname(plugin.path);
+        let files = fs.readdirSync(folder);
 
-      // While the folder does not contain the targets folder...
-      while (!files.includes('targets')) {
-        // Try to go up a folder.
-        folder = path.normalize(path.join(folder, '..'));
+        // While the folder does not contain the targets folder...
+        while (!files.includes('targets')) {
+          // Try to go up a folder.
+          folder = path.normalize(path.join(folder, '..'));
 
-        // And as long as we haven't gone too high
-        if (
-          !(
-            folder.includes(path.join(__dirname, 'node_modules')) ||
-            !folder.includes(path.join(__dirname, 'plugins'))
-          )
-        ) {
+          // And as long as we haven't gone too high
+          if (
+            !(
+              folder.includes(path.join(__dirname, 'node_modules')) ||
+              !folder.includes(path.join(__dirname, 'plugins'))
+            )
+          ) {
+            throw new Error(
+              `target plugin ${plugin.name} does not have a 'targets' folder`
+            );
+          }
+
+          files = fs.readdirSync(folder);
+        }
+
+        // List all targets available in that folder.
+        folder = path.join(folder, 'targets');
+
+        let targets = fs.readdirSync(folder);
+        if (targets.length === 0) {
           throw new Error(
-            `target plugin ${plugin.name} does not have a 'targets' folder`
+            `target plugin ${
+              plugin.name
+            } has no targets in it's target folder ${folder}`
           );
         }
 
-        files = fs.readdirSync(folder);
-      }
-
-      // List all targets available in that folder.
-      folder = path.join(folder, 'targets');
-
-      let targets = fs.readdirSync(folder);
-      if (targets.length === 0) {
-        throw new Error(
-          `target plugin ${
-            plugin.name
-          } has no targets in it's target folder ${folder}`
+        return entries.concat(
+          targets.map(target => ({
+            name: `plugin/${plugin.name}/${target}/bundle`,
+            path: path.join(folder, target, 'index'),
+          }))
         );
-      }
-
-      return entries.concat(
-        targets.map(target => ({
-          name: `plugin/${plugin.name}/${target}/bundle`,
-          path: path.join(folder, target, 'index'),
-        }))
-      );
-    }, []),
-  ]),
+      }, []),
+    ],
+    {
+      plugins: [
+        new ManifestPlugin({
+          fileName: 'manifest.json',
+          map: copyWebpackPluginManifestHack,
+        }),
+      ],
+    }
+  ),
 ];
diff --git a/yarn.lock b/yarn.lock
index 9fe038a58..359a615d6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1354,7 +1354,7 @@ bluebird@3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.0.tgz#791420d7f551eea2897453a8a77653f96606d67c"
 
-bluebird@^3.0.6, bluebird@^3.1.1, bluebird@^3.2.2, bluebird@^3.3.4, bluebird@^3.4.0, bluebird@^3.4.6, bluebird@^3.5.0:
+bluebird@^3.0.6, bluebird@^3.1.1, bluebird@^3.2.2, bluebird@^3.3.4, bluebird@^3.4.0, bluebird@^3.4.6, bluebird@^3.5.0, bluebird@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
 
@@ -1415,13 +1415,20 @@ boxen@^1.2.1:
     term-size "^1.2.0"
     widest-line "^2.0.0"
 
-brace-expansion@^1.0.0, brace-expansion@^1.1.7:
+brace-expansion@^1.0.0:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
   dependencies:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
 braces@^1.8.2:
   version "1.8.5"
   resolved "https://registry.yarnpkg.com/braces/-/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
@@ -1635,23 +1642,23 @@ bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
 
-cacache@^10.0.1:
-  version "10.0.1"
-  resolved "https://registry.yarnpkg.com/cacache/-/cacache-10.0.1.tgz#3e05f6e616117d9b54665b1b20c8aeb93ea5d36f"
+cacache@^10.0.1, cacache@^10.0.4:
+  version "10.0.4"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
   dependencies:
-    bluebird "^3.5.0"
+    bluebird "^3.5.1"
     chownr "^1.0.1"
     glob "^7.1.2"
     graceful-fs "^4.1.11"
     lru-cache "^4.1.1"
-    mississippi "^1.3.0"
+    mississippi "^2.0.0"
     mkdirp "^0.5.1"
     move-concurrently "^1.0.1"
     promise-inflight "^1.0.1"
-    rimraf "^2.6.1"
-    ssri "^5.0.0"
+    rimraf "^2.6.2"
+    ssri "^5.2.4"
     unique-filename "^1.1.0"
-    y18n "^3.2.1"
+    y18n "^4.0.0"
 
 cache-base@^1.0.1:
   version "1.0.1"
@@ -2211,7 +2218,7 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
-concat-stream@^1.4.7, concat-stream@^1.5.0, concat-stream@^1.6.0:
+concat-stream@^1.4.7, concat-stream@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
   dependencies:
@@ -2219,6 +2226,14 @@ concat-stream@^1.4.7, concat-stream@^1.5.0, concat-stream@^1.6.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concat-stream@^1.5.0:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.1.tgz#261b8f518301f1d834e36342b9fea095d2620a26"
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
 configstore@^3.0.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.1.tgz#094ee662ab83fad9917678de114faaea8fcdca90"
@@ -2334,18 +2349,16 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
 copy-webpack-plugin@^4.0.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-4.3.0.tgz#cfdf4d131c78d66917a1bb863f86630497aacf42"
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-4.5.1.tgz#fc4f68f4add837cc5e13d111b20715793225d29c"
   dependencies:
-    cacache "^10.0.1"
+    cacache "^10.0.4"
     find-cache-dir "^1.0.0"
     globby "^7.1.1"
     is-glob "^4.0.0"
-    loader-utils "^0.2.15"
-    lodash "^4.3.0"
+    loader-utils "^1.1.0"
     minimatch "^3.0.4"
     p-limit "^1.0.0"
-    pify "^3.0.0"
     serialize-javascript "^1.4.0"
 
 core-js@^1.0.0, core-js@^1.1.1:
@@ -2828,10 +2841,6 @@ detect-indent@^4.0.0:
   dependencies:
     repeating "^2.0.0"
 
-detect-indent@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-5.0.0.tgz#3871cc0a6a002e8c3e5b3cf7f336264675f06b9d"
-
 detect-libc@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-0.2.0.tgz#47fdf567348a17ec25fcbf0b9e446348a76f9fb5"
@@ -2989,9 +2998,9 @@ duplexer@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
 
-duplexify@^3.1.2, duplexify@^3.4.2:
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.1.tgz#4e1516be68838bc90a49994f0b39a6e5960befcd"
+duplexify@^3.4.2, duplexify@^3.5.3:
+  version "3.5.4"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.4.tgz#4bb46c1796eabebeec4ca9a2e66b808cb7a3d8b4"
   dependencies:
     end-of-stream "^1.0.0"
     inherits "^2.0.1"
@@ -3062,8 +3071,8 @@ encoding@^0.1.11:
     iconv-lite "~0.4.13"
 
 end-of-stream@^1.0.0, end-of-stream@^1.1.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.0.tgz#7a90d833efda6cfa6eac0f4949dbb0fad3a63206"
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
   dependencies:
     once "^1.4.0"
 
@@ -3932,6 +3941,16 @@ fs-extra@^0.24.0:
     path-is-absolute "^1.0.0"
     rimraf "^2.2.8"
 
+fs-extra@^0.30.0:
+  version "0.30.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-0.30.0.tgz#f233ffcc08d4da7d432daa449776989db1df93f0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+    klaw "^1.0.0"
+    path-is-absolute "^1.0.0"
+    rimraf "^2.2.8"
+
 fs-extra@^4.0.1:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
@@ -4288,7 +4307,7 @@ gql-utils@^0.0.2:
     bluebird "^3.4.6"
     glob "^7.1.1"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.4, graceful-fs@^4.1.6:
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
@@ -4428,19 +4447,6 @@ har-validator@~5.0.3:
     ajv "^5.1.0"
     har-schema "^2.0.0"
 
-hard-source-webpack-plugin@^0.6.0:
-  version "0.6.0"
-  resolved "https://registry.yarnpkg.com/hard-source-webpack-plugin/-/hard-source-webpack-plugin-0.6.0.tgz#ec2f60068a8d1f358439b7b1587f1c64fe642eda"
-  dependencies:
-    lodash "^4.15.0"
-    mkdirp "^0.5.1"
-    node-object-hash "^1.2.0"
-    rimraf "^2.6.2"
-    tapable "^1.0.0-beta.5"
-    webpack-core "~0.6.0"
-    webpack-sources "^1.0.1"
-    write-json-file "^2.3.0"
-
 harmony-reflect@^1.4.6:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/harmony-reflect/-/harmony-reflect-1.5.1.tgz#b54ca617b00cc8aef559bbb17b3d85431dc7e329"
@@ -6255,6 +6261,12 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
 
+klaw@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
+  optionalDependencies:
+    graceful-fs "^4.1.9"
+
 kue@0.11.6:
   version "0.11.6"
   resolved "https://registry.yarnpkg.com/kue/-/kue-0.11.6.tgz#5b76916bcedd56636a107861471c63c94611860a"
@@ -6454,7 +6466,7 @@ loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
 
-loader-utils@^0.2.12, loader-utils@^0.2.15:
+loader-utils@^0.2.12:
   version "0.2.17"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
   dependencies:
@@ -6751,14 +6763,14 @@ lodash.values@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash.values/-/lodash.values-4.3.0.tgz#a3a6c2b0ebecc5c2cba1c17e6e620fe81b53d347"
 
-lodash@^4.0.0, lodash@^4.1.0, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.16.6, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
-lodash@^4.13.1, lodash@^4.17.5, lodash@~4.17.4:
+"lodash@>=3.5 <5", lodash@^4.13.1, lodash@^4.15.0, lodash@^4.17.5, lodash@^4.3.0, lodash@~4.17.4:
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
+lodash@^4.0.0, lodash@^4.1.0, lodash@^4.14.0, lodash@^4.16.6, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1:
+  version "4.17.4"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+
 log-symbols@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-1.0.2.tgz#376ff7b58ea3086a0f09facc74617eca501e1a18"
@@ -6819,13 +6831,20 @@ lru-cache@^2.5.0, lru-cache@~2.6.5:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.6.5.tgz#e56d6354148ede8d7707b58d143220fd08df0fd5"
 
-lru-cache@^4.0.1, lru-cache@^4.1.1:
+lru-cache@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
   dependencies:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+lru-cache@^4.1.1:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.2.tgz#45234b2e6e2f2b33da125624c4664929a0224c3f"
+  dependencies:
+    pseudomap "^1.0.2"
+    yallist "^2.1.2"
+
 lunr@^2.1.6:
   version "2.1.6"
   resolved "https://registry.yarnpkg.com/lunr/-/lunr-2.1.6.tgz#671d2321c4c5bc4c522914953d1c54d612f60aa7"
@@ -6842,8 +6861,8 @@ mailcomposer@4.0.1:
     libmime "3.0.0"
 
 make-dir@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.1.0.tgz#19b4369fe48c116f53c2af95ad102c0e39e85d51"
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.2.0.tgz#6d6a49eead4aae296c53bbf3a1a008bd6c89469b"
   dependencies:
     pify "^3.0.0"
 
@@ -7088,9 +7107,9 @@ minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
-mississippi@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-1.3.0.tgz#d201583eb12327e3c5c1642a404a9cacf94e34f5"
+mississippi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-2.0.0.tgz#3442a508fafc28500486feea99409676e4ee5a6f"
   dependencies:
     concat-stream "^1.5.0"
     duplexify "^3.4.2"
@@ -7098,7 +7117,7 @@ mississippi@^1.3.0:
     flush-write-stream "^1.0.0"
     from2 "^2.1.0"
     parallel-transform "^1.1.0"
-    pump "^1.0.0"
+    pump "^2.0.1"
     pumpify "^1.3.3"
     stream-each "^1.1.0"
     through2 "^2.0.0"
@@ -7287,6 +7306,10 @@ mv@~2:
     ncp "~2.0.0"
     rimraf "~2.4.0"
 
+name-all-modules-plugin@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/name-all-modules-plugin/-/name-all-modules-plugin-1.0.1.tgz#0abfb6ad835718b9fb4def0674e06657a954375c"
+
 nan@^2.3.0, nan@^2.3.3, nan@^2.6.2:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.8.0.tgz#ed715f3fe9de02b57a5e6252d90a96675e1f085a"
@@ -7488,10 +7511,6 @@ node-notifier@^5.0.2:
     shellwords "^0.1.0"
     which "^1.2.12"
 
-node-object-hash@^1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/node-object-hash/-/node-object-hash-1.3.0.tgz#7f294f5afec6b08d713e40d40a95ec793e05baf3"
-
 node-pre-gyp@^0.6.36, node-pre-gyp@^0.6.39:
   version "0.6.39"
   resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.6.39.tgz#c00e96860b23c0e1420ac7befc5044e1d78d8649"
@@ -7945,8 +7964,10 @@ p-finally@^1.0.0:
   resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
 
 p-limit@^1.0.0, p-limit@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.1.0.tgz#b07ff2d9a5d88bec806035895a2bab66a27988bc"
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.2.0.tgz#0e92b6bedcb59f022c13d0f1949dc82d15909f1c"
+  dependencies:
+    p-try "^1.0.0"
 
 p-locate@^2.0.0:
   version "2.0.0"
@@ -7958,6 +7979,10 @@ p-map@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/p-map/-/p-map-1.2.0.tgz#e4e94f311eabbc8633a1e79908165fca26241b6b"
 
+p-try@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-1.0.0.tgz#cbc79cdbaf8fd4228e13f621f2b1a237c1b207b3"
+
 pac-proxy-agent@1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pac-proxy-agent/-/pac-proxy-agent-1.1.0.tgz#34a385dfdf61d2f0ecace08858c745d3e791fd4d"
@@ -8797,6 +8822,10 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+
 process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
@@ -8991,13 +9020,20 @@ pump@^1.0.0, pump@^1.0.1:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
-pumpify@^1.3.3:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.3.5.tgz#1b671c619940abcaeac0ad0e3a3c164be760993b"
+pump@^2.0.0, pump@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
   dependencies:
-    duplexify "^3.1.2"
-    inherits "^2.0.1"
-    pump "^1.0.0"
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pumpify@^1.3.3:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.4.0.tgz#80b7c5df7e24153d03f0e7ac8a05a5d068bd07fb"
+  dependencies:
+    duplexify "^3.5.3"
+    inherits "^2.0.3"
+    pump "^2.0.0"
 
 punycode@1.3.2:
   version "1.3.2"
@@ -9352,14 +9388,14 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
-"readable-stream@1 || 2", readable-stream@2, readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.4, readable-stream@^2.1.5, readable-stream@^2.2.2:
+  version "2.3.5"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.5.tgz#b4f85003a938cbb6ecbce2a124fb1012bd1a838d"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
     isarray "~1.0.0"
-    process-nextick-args "~1.0.6"
+    process-nextick-args "~2.0.0"
     safe-buffer "~5.1.1"
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
@@ -9382,6 +9418,18 @@ readable-stream@1.1.x:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@2, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.0.3"
+    util-deprecate "~1.0.1"
+
 readable-stream@2.2.7:
   version "2.2.7"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.7.tgz#07057acbe2467b22042d36f98c5ad507054e95b1"
@@ -10263,20 +10311,10 @@ sort-keys@^1.0.0:
   dependencies:
     is-plain-obj "^1.0.0"
 
-sort-keys@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-2.0.0.tgz#658535584861ec97d730d6cf41822e1f56684128"
-  dependencies:
-    is-plain-obj "^1.0.0"
-
 source-list-map@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.0.tgz#aaa47403f7b245a92fbc97ea08f250d6087ed085"
 
-source-list-map@~0.1.7:
-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-0.1.8.tgz#c550b2ab5427f6b3f21f5afead88c4f5587b2106"
-
 source-map-resolve@^0.5.0:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.1.tgz#7ad0f593f2281598e854df80f19aae4b92d7a11a"
@@ -10309,7 +10347,7 @@ source-map@0.1.x:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@0.4.x, source-map@^0.4.2, source-map@^0.4.4, source-map@~0.4.1:
+source-map@0.4.x, source-map@^0.4.2, source-map@^0.4.4:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
   dependencies:
@@ -10371,11 +10409,11 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
-ssri@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.0.0.tgz#13c19390b606c821f2a10d02b351c1729b94d8cf"
+ssri@^5.2.4:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.3.0.tgz#ba3872c9c6d33a0704a7d71ff045e5ec48999d06"
   dependencies:
-    safe-buffer "^5.1.0"
+    safe-buffer "^5.1.1"
 
 stack-trace@0.0.x:
   version "0.0.10"
@@ -10720,10 +10758,6 @@ tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
 
-tapable@^1.0.0-beta.5:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.0.0.tgz#cbb639d9002eed9c6b5975eb20598d7936f1f9f2"
-
 tar-fs@^1.13.0:
   version "1.16.0"
   resolved "https://registry.yarnpkg.com/tar-fs/-/tar-fs-1.16.0.tgz#e877a25acbcc51d8c790da1c57c9cf439817b896"
@@ -11400,12 +11434,12 @@ webidl-conversions@^4.0.0, webidl-conversions@^4.0.1, webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
-webpack-core@~0.6.0:
-  version "0.6.9"
-  resolved "https://registry.yarnpkg.com/webpack-core/-/webpack-core-0.6.9.tgz#fc571588c8558da77be9efb6debdc5a3b172bdc2"
+webpack-manifest-plugin@^2.0.0-rc.2:
+  version "2.0.0-rc.2"
+  resolved "https://registry.yarnpkg.com/webpack-manifest-plugin/-/webpack-manifest-plugin-2.0.0-rc.2.tgz#7e12abb805795fe256b085a214a15d9568f0e692"
   dependencies:
-    source-list-map "~0.1.7"
-    source-map "~0.4.1"
+    fs-extra "^0.30.0"
+    lodash ">=3.5 <5"
 
 webpack-sources@^1.0.1, webpack-sources@^1.0.2, webpack-sources@^1.1.0:
   version "1.1.0"
@@ -11587,17 +11621,6 @@ write-file-atomic@^2.0.0, write-file-atomic@^2.1.0:
     imurmurhash "^0.1.4"
     signal-exit "^3.0.2"
 
-write-json-file@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/write-json-file/-/write-json-file-2.3.0.tgz#2b64c8a33004d54b8698c76d585a77ceb61da32f"
-  dependencies:
-    detect-indent "^5.0.0"
-    graceful-fs "^4.1.2"
-    make-dir "^1.0.0"
-    pify "^3.0.0"
-    sort-keys "^2.0.0"
-    write-file-atomic "^2.0.0"
-
 write@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
@@ -11651,6 +11674,10 @@ y18n@^3.2.0, y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
 
+y18n@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
+
 yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"