diff --git a/.blade.yml b/.blade.yml
deleted file mode 100644
index 653cf2f0c..000000000
--- a/.blade.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-load_paths:
-  - src
-  - test/src
-  - test/vendor
-
-logical_paths:
-  - replicant.js
-  - test.js
-  - test.css
-
-build:
-  logical_paths:
-    - turbolinks.js
-  path: dist
-  js_compressor: uglifier
-
-require:
-  - sprockets/export
diff --git a/.gitignore b/.gitignore
index ab9822168..e6a926968 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
-/tmp
-
+/dist
+/node_modules
+*.log
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 000000000..16e470097
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1 @@
+dist/tests/
diff --git a/.ruby-version b/.ruby-version
deleted file mode 100644
index 3f684d2d9..000000000
--- a/.ruby-version
+++ /dev/null
@@ -1 +0,0 @@
-2.3.4
diff --git a/.travis.yml b/.travis.yml
index 9a3b2359a..e45a2b266 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,11 @@
 dist: trusty
 sudo: false
 cache:
-- bundler
 - yarn
-script: bin/ci
+before_script:
+- yarn install
+- yarn build
+script: yarn test
 addons:
   apt:
     sources:
diff --git a/test/.vscode/launch.json b/.vscode/launch.json
similarity index 56%
rename from test/.vscode/launch.json
rename to .vscode/launch.json
index e2a986968..e710bda63 100644
--- a/test/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,10 +1,13 @@
 {
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
     {
       "type": "node",
       "request": "launch",
-      "name": "Run All Tests",
+      "name": "Turbolinks: Debug browser tests",
       "cwd": "${workspaceFolder}",
       "port": 9229,
       "outputCapture": "std",
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 000000000..75e1c77c9
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,36 @@
+{
+  // See https://go.microsoft.com/fwlink/?LinkId=733558
+  // for the documentation about the tasks.json format
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "Turbolinks: Build dist directory",
+      "type": "shell",
+      "command": "yarn build",
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      },
+      "problemMatcher": [
+        "$tsc"
+      ]
+    },
+    {
+      "label": "Turbolinks: Run tests",
+      "type": "shell",
+      "dependsOn": "Turbolinks: Build dist directory",
+      "command": "yarn test",
+      "group": {
+        "kind": "test",
+        "isDefault": true
+      }
+    },
+    {
+      "label": "Turbolinks: Start dev server",
+      "type": "shell",
+      "dependsOn": "Turbolinks: Build dist directory",
+      "command": "yarn start",
+      "problemMatcher": []
+    }
+  ]
+}
diff --git a/Gemfile b/Gemfile
deleted file mode 100644
index bd26dacac..000000000
--- a/Gemfile
+++ /dev/null
@@ -1,11 +0,0 @@
-source 'https://rubygems.org'
-
-gem 'rake'
-gem 'sprockets'
-gem 'sprockets-export'
-gem 'coffee-script'
-gem 'coffee-script-source', '~> 1.9.1'
-gem 'eco'
-gem 'uglifier'
-
-gem 'blade', '~> 0.7.1'
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index 26e3b0594..000000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,101 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (5.1.4)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
-    blade (0.7.1)
-      activesupport (>= 3.0.0)
-      blade-qunit_adapter (~> 2.0.1)
-      coffee-script
-      coffee-script-source
-      curses (~> 1.0.0)
-      eventmachine
-      faye
-      sprockets (>= 3.0)
-      thin (>= 1.6.0)
-      thor (>= 0.19.1)
-      useragent (~> 0.16.7)
-    blade-qunit_adapter (2.0.1)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.9.3)
-    concurrent-ruby (1.0.2)
-    cookiejar (0.3.3)
-    curses (1.0.2)
-    daemons (1.2.6)
-    eco (1.0.0)
-      coffee-script
-      eco-source
-      execjs
-    eco-source (1.1.0.rc.1)
-    em-http-request (1.1.5)
-      addressable (>= 2.3.4)
-      cookiejar (!= 0.3.1)
-      em-socksify (>= 0.3)
-      eventmachine (>= 1.0.3)
-      http_parser.rb (>= 0.6.0)
-    em-socksify (0.3.2)
-      eventmachine (>= 1.0.0.beta.4)
-    eventmachine (1.2.5)
-    execjs (2.6.0)
-    faye (1.2.4)
-      cookiejar (>= 0.3.0)
-      em-http-request (>= 0.3.0)
-      eventmachine (>= 0.12.0)
-      faye-websocket (>= 0.9.1)
-      multi_json (>= 1.0.0)
-      rack (>= 1.0.0)
-      websocket-driver (>= 0.5.1)
-    faye-websocket (0.10.7)
-      eventmachine (>= 0.12.0)
-      websocket-driver (>= 0.5.1)
-    http_parser.rb (0.6.0)
-    i18n (0.9.1)
-      concurrent-ruby (~> 1.0)
-    json (1.8.3)
-    minitest (5.11.1)
-    multi_json (1.12.2)
-    public_suffix (3.0.1)
-    rack (1.6.4)
-    rake (10.4.2)
-    sprockets (3.6.0)
-      concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    sprockets-export (1.0.0)
-    thin (1.7.2)
-      daemons (~> 1.0, >= 1.0.9)
-      eventmachine (~> 1.0, >= 1.0.4)
-      rack (>= 1, < 3)
-    thor (0.20.0)
-    thread_safe (0.3.6)
-    tzinfo (1.2.4)
-      thread_safe (~> 0.1)
-    uglifier (2.7.2)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
-    useragent (0.16.8)
-    websocket-driver (0.7.0)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  blade (~> 0.7.1)
-  coffee-script
-  coffee-script-source (~> 1.9.1)
-  eco
-  rake
-  sprockets
-  sprockets-export
-  uglifier
-
-BUNDLED WITH
-   1.16.1
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index aa3fd084f..000000000
--- a/LICENSE
+++ /dev/null
@@ -1,20 +0,0 @@
-Copyright 2018 Basecamp, LLC
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
index 8df598ed7..57456cc4e 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,6 @@ Turbolinks works in all modern desktop and mobile browsers. It depends on the [H
 
 ## Installation
 
-Include [`dist/turbolinks.js`](dist/turbolinks.js) in your application’s JavaScript bundle.
-
 Turbolinks automatically initializes itself when loaded via a standalone `<script>` tag or a traditional concatenated JavaScript bundle. If you load Turbolinks as a CommonJS or AMD module, first require the module, then call the provided `start()` function.
 
 ### Installation Using Ruby on Rails
@@ -532,28 +530,27 @@ Please note that this project is released with a [Contributor Code of Conduct](C
 
 ## Building From Source
 
-Turbolinks is written in [CoffeeScript](https://github.com/jashkenas/coffee-script) and compiled to JavaScript with [Blade](https://github.com/javan/blade). To build from source you’ll need a recent version of Ruby. From the root of your Turbolinks directory, issue the following commands to build the distributable files in `dist/`:
+Turbolinks is written in [TypeScript](https://www.typescriptlang.org). To build from source, first make sure you have the [Yarn package manager](https://yarnpkg.com) installed. Then issue the following commands to build the distributable files in `dist/`:
 
 ```
-$ gem install bundler
-$ bundle install
-$ bin/blade build
+$ yarn install
+$ yarn build
 ```
 
+Include the resulting [`dist/turbolinks.js`](dist/turbolinks.js) file in your application’s JavaScript bundle.
+
 ## Running Tests
 
-The Turbolinks test suite is written in [TypeScript](https://www.typescriptlang.org) with the [Intern testing library](https://theintern.io).
+Turbolinks is tested with the [Intern testing library](https://theintern.io).
 
-To run the tests, first make sure you have the [Yarn package manager](https://yarnpkg.com) installed. Follow the instructions for _Building From Source_ above, then run the following commands:
+To run the test suite, follow the instructions for _Building From Source_ above, then run:
 
 ```
-$ cd test
-$ yarn install
 $ yarn test
 ```
 
-If you are testing changes to the Turbolinks source, remember to run `bin/blade build` before each test run.
+If you are testing changes to the Turbolinks source, remember to run `yarn build` before each test run. Or, run `yarn watch` to build automatically as you work.
 
 ---
 
-© 2018 Basecamp, LLC.
+© 2019 Basecamp, LLC.
diff --git a/bin/blade b/bin/blade
deleted file mode 100755
index d0b7fd011..000000000
--- a/bin/blade
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env ruby
-#
-# This file was generated by Bundler.
-#
-# The application 'blade' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
-
-require 'pathname'
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
-  Pathname.new(__FILE__).realpath)
-
-require 'rubygems'
-require 'bundler/setup'
-
-load Gem.bin_path('blade', 'blade')
diff --git a/bin/ci b/bin/ci
deleted file mode 100755
index 3c67593ef..000000000
--- a/bin/ci
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-bin/blade build
-cd test
-yarn install
-exec yarn test
diff --git a/bin/rackup b/bin/rackup
deleted file mode 100755
index 8cc9953e5..000000000
--- a/bin/rackup
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env ruby
-#
-# This file was generated by Bundler.
-#
-# The application 'rackup' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
-
-require 'pathname'
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
-  Pathname.new(__FILE__).realpath)
-
-require 'rubygems'
-require 'bundler/setup'
-
-load Gem.bin_path('rack', 'rackup')
diff --git a/config.ru b/config.ru
deleted file mode 100644
index dfb54c506..000000000
--- a/config.ru
+++ /dev/null
@@ -1,8 +0,0 @@
-require 'bundler/setup'
-require 'blade'
-
-Blade.initialize!
-
-map '/' do
-  run Blade::Assets.environment(:user)
-end
diff --git a/dist/turbolinks.js b/dist/turbolinks.js
deleted file mode 100644
index 644af9b16..000000000
--- a/dist/turbolinks.js
+++ /dev/null
@@ -1,6 +0,0 @@
-/*
-Turbolinks 5.2.0
-Copyright © 2018 Basecamp, LLC
- */
-(function(){var t=this;(function(){(function(){this.Turbolinks={supported:function(){return null!=window.history.pushState&&null!=window.requestAnimationFrame&&null!=window.addEventListener}(),visit:function(t,r){return e.controller.visit(t,r)},clearCache:function(){return e.controller.clearCache()},setProgressBarDelay:function(t){return e.controller.setProgressBarDelay(t)}}}).call(this)}).call(t);var e=t.Turbolinks;(function(){(function(){var t,r,n,o=[].slice;e.copyObject=function(t){var e,r,n;r={};for(e in t)n=t[e],r[e]=n;return r},e.closest=function(e,r){return t.call(e,r)},t=function(){var t,e;return t=document.documentElement,null!=(e=t.closest)?e:function(t){var e;for(e=this;e;){if(e.nodeType===Node.ELEMENT_NODE&&r.call(e,t))return e;e=e.parentNode}}}(),e.defer=function(t){return setTimeout(t,1)},e.throttle=function(t){var e;return e=null,function(){var r;return r=1<=arguments.length?o.call(arguments,0):[],null!=e?e:e=requestAnimationFrame(function(n){return function(){return e=null,t.apply(n,r)}}(this))}},e.dispatch=function(t,e){var r,o,i,s,a,u;return a=null!=e?e:{},u=a.target,r=a.cancelable,o=a.data,i=document.createEvent("Events"),i.initEvent(t,!0,r===!0),i.data=null!=o?o:{},i.cancelable&&!n&&(s=i.preventDefault,i.preventDefault=function(){return this.defaultPrevented||Object.defineProperty(this,"defaultPrevented",{get:function(){return!0}}),s.call(this)}),(null!=u?u:document).dispatchEvent(i),i},n=function(){var t;return t=document.createEvent("Events"),t.initEvent("test",!0,!0),t.preventDefault(),t.defaultPrevented}(),e.match=function(t,e){return r.call(t,e)},r=function(){var t,e,r,n;return t=document.documentElement,null!=(e=null!=(r=null!=(n=t.matchesSelector)?n:t.webkitMatchesSelector)?r:t.msMatchesSelector)?e:t.mozMatchesSelector}(),e.uuid=function(){var t,e,r;for(r="",t=e=1;36>=e;t=++e)r+=9===t||14===t||19===t||24===t?"-":15===t?"4":20===t?(Math.floor(4*Math.random())+8).toString(16):Math.floor(15*Math.random()).toString(16);return r}}).call(this),function(){e.Location=function(){function t(t){var e,r;null==t&&(t=""),r=document.createElement("a"),r.href=t.toString(),this.absoluteURL=r.href,e=r.hash.length,2>e?this.requestURL=this.absoluteURL:(this.requestURL=this.absoluteURL.slice(0,-e),this.anchor=r.hash.slice(1))}var e,r,n,o;return t.wrap=function(t){return t instanceof this?t:new this(t)},t.prototype.getOrigin=function(){return this.absoluteURL.split("/",3).join("/")},t.prototype.getPath=function(){var t,e;return null!=(t=null!=(e=this.requestURL.match(/\/\/[^\/]*(\/[^?;]*)/))?e[1]:void 0)?t:"/"},t.prototype.getPathComponents=function(){return this.getPath().split("/").slice(1)},t.prototype.getLastPathComponent=function(){return this.getPathComponents().slice(-1)[0]},t.prototype.getExtension=function(){var t,e;return null!=(t=null!=(e=this.getLastPathComponent().match(/\.[^.]*$/))?e[0]:void 0)?t:""},t.prototype.isHTML=function(){return this.getExtension().match(/^(?:|\.(?:htm|html|xhtml))$/)},t.prototype.isPrefixedBy=function(t){var e;return e=r(t),this.isEqualTo(t)||o(this.absoluteURL,e)},t.prototype.isEqualTo=function(t){return this.absoluteURL===(null!=t?t.absoluteURL:void 0)},t.prototype.toCacheKey=function(){return this.requestURL},t.prototype.toJSON=function(){return this.absoluteURL},t.prototype.toString=function(){return this.absoluteURL},t.prototype.valueOf=function(){return this.absoluteURL},r=function(t){return e(t.getOrigin()+t.getPath())},e=function(t){return n(t,"/")?t:t+"/"},o=function(t,e){return t.slice(0,e.length)===e},n=function(t,e){return t.slice(-e.length)===e},t}()}.call(this),function(){var t=function(t,e){return function(){return t.apply(e,arguments)}};e.HttpRequest=function(){function r(r,n,o){this.delegate=r,this.requestCanceled=t(this.requestCanceled,this),this.requestTimedOut=t(this.requestTimedOut,this),this.requestFailed=t(this.requestFailed,this),this.requestLoaded=t(this.requestLoaded,this),this.requestProgressed=t(this.requestProgressed,this),this.url=e.Location.wrap(n).requestURL,this.referrer=e.Location.wrap(o).absoluteURL,this.createXHR()}return r.NETWORK_FAILURE=0,r.TIMEOUT_FAILURE=-1,r.timeout=60,r.prototype.send=function(){var t;return this.xhr&&!this.sent?(this.notifyApplicationBeforeRequestStart(),this.setProgress(0),this.xhr.send(),this.sent=!0,"function"==typeof(t=this.delegate).requestStarted?t.requestStarted():void 0):void 0},r.prototype.cancel=function(){return this.xhr&&this.sent?this.xhr.abort():void 0},r.prototype.requestProgressed=function(t){return t.lengthComputable?this.setProgress(t.loaded/t.total):void 0},r.prototype.requestLoaded=function(){return this.endRequest(function(t){return function(){var e;return 200<=(e=t.xhr.status)&&300>e?t.delegate.requestCompletedWithResponse(t.xhr.responseText,t.xhr.getResponseHeader("Turbolinks-Location")):(t.failed=!0,t.delegate.requestFailedWithStatusCode(t.xhr.status,t.xhr.responseText))}}(this))},r.prototype.requestFailed=function(){return this.endRequest(function(t){return function(){return t.failed=!0,t.delegate.requestFailedWithStatusCode(t.constructor.NETWORK_FAILURE)}}(this))},r.prototype.requestTimedOut=function(){return this.endRequest(function(t){return function(){return t.failed=!0,t.delegate.requestFailedWithStatusCode(t.constructor.TIMEOUT_FAILURE)}}(this))},r.prototype.requestCanceled=function(){return this.endRequest()},r.prototype.notifyApplicationBeforeRequestStart=function(){return e.dispatch("turbolinks:request-start",{data:{url:this.url,xhr:this.xhr}})},r.prototype.notifyApplicationAfterRequestEnd=function(){return e.dispatch("turbolinks:request-end",{data:{url:this.url,xhr:this.xhr}})},r.prototype.createXHR=function(){return this.xhr=new XMLHttpRequest,this.xhr.open("GET",this.url,!0),this.xhr.timeout=1e3*this.constructor.timeout,this.xhr.setRequestHeader("Accept","text/html, application/xhtml+xml"),this.xhr.setRequestHeader("Turbolinks-Referrer",this.referrer),this.xhr.onprogress=this.requestProgressed,this.xhr.onload=this.requestLoaded,this.xhr.onerror=this.requestFailed,this.xhr.ontimeout=this.requestTimedOut,this.xhr.onabort=this.requestCanceled},r.prototype.endRequest=function(t){return this.xhr?(this.notifyApplicationAfterRequestEnd(),null!=t&&t.call(this),this.destroy()):void 0},r.prototype.setProgress=function(t){var e;return this.progress=t,"function"==typeof(e=this.delegate).requestProgressed?e.requestProgressed(this.progress):void 0},r.prototype.destroy=function(){var t;return this.setProgress(1),"function"==typeof(t=this.delegate).requestFinished&&t.requestFinished(),this.delegate=null,this.xhr=null},r}()}.call(this),function(){var t=function(t,e){return function(){return t.apply(e,arguments)}};e.ProgressBar=function(){function e(){this.trickle=t(this.trickle,this),this.stylesheetElement=this.createStylesheetElement(),this.progressElement=this.createProgressElement()}var r;return r=300,e.defaultCSS=".turbolinks-progress-bar {\n  position: fixed;\n  display: block;\n  top: 0;\n  left: 0;\n  height: 3px;\n  background: #0076ff;\n  z-index: 9999;\n  transition: width "+r+"ms ease-out, opacity "+r/2+"ms "+r/2+"ms ease-in;\n  transform: translate3d(0, 0, 0);\n}",e.prototype.show=function(){return this.visible?void 0:(this.visible=!0,this.installStylesheetElement(),this.installProgressElement(),this.startTrickling())},e.prototype.hide=function(){return this.visible&&!this.hiding?(this.hiding=!0,this.fadeProgressElement(function(t){return function(){return t.uninstallProgressElement(),t.stopTrickling(),t.visible=!1,t.hiding=!1}}(this))):void 0},e.prototype.setValue=function(t){return this.value=t,this.refresh()},e.prototype.installStylesheetElement=function(){return document.head.insertBefore(this.stylesheetElement,document.head.firstChild)},e.prototype.installProgressElement=function(){return this.progressElement.style.width=0,this.progressElement.style.opacity=1,document.documentElement.insertBefore(this.progressElement,document.body),this.refresh()},e.prototype.fadeProgressElement=function(t){return this.progressElement.style.opacity=0,setTimeout(t,1.5*r)},e.prototype.uninstallProgressElement=function(){return this.progressElement.parentNode?document.documentElement.removeChild(this.progressElement):void 0},e.prototype.startTrickling=function(){return null!=this.trickleInterval?this.trickleInterval:this.trickleInterval=setInterval(this.trickle,r)},e.prototype.stopTrickling=function(){return clearInterval(this.trickleInterval),this.trickleInterval=null},e.prototype.trickle=function(){return 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this.location=e.Location.wrap(window.location),this.restorationIdentifier=e.uuid(),this.history.start(),this.history.replace(this.location,this.restorationIdentifier)},r.prototype.stopHistory=function(){return this.history.stop()},r.prototype.pushHistoryWithLocationAndRestorationIdentifier=function(t,r){return this.restorationIdentifier=r,this.location=e.Location.wrap(t),this.history.push(this.location,this.restorationIdentifier)},r.prototype.replaceHistoryWithLocationAndRestorationIdentifier=function(t,r){return this.restorationIdentifier=r,this.location=e.Location.wrap(t),this.history.replace(this.location,this.restorationIdentifier)},r.prototype.historyPoppedToLocationWithRestorationIdentifier=function(t,r){var n;return this.restorationIdentifier=r,this.enabled?(n=this.getRestorationDataForIdentifier(this.restorationIdentifier),this.startVisit(t,"restore",{restorationIdentifier:this.restorationIdentifier,restorationData:n,historyChanged:!0}),this.location=e.Location.wrap(t)):this.adapter.pageInvalidated()},r.prototype.getCachedSnapshotForLocation=function(t){var e;return null!=(e=this.cache.get(t))?e.clone():void 0},r.prototype.shouldCacheSnapshot=function(){return this.view.getSnapshot().isCacheable();
-},r.prototype.cacheSnapshot=function(){var t,r;return this.shouldCacheSnapshot()?(this.notifyApplicationBeforeCachingSnapshot(),r=this.view.getSnapshot(),t=this.lastRenderedLocation,e.defer(function(e){return function(){return e.cache.put(t,r.clone())}}(this))):void 0},r.prototype.scrollToAnchor=function(t){var e;return(e=this.view.getElementForAnchor(t))?this.scrollToElement(e):this.scrollToPosition({x:0,y:0})},r.prototype.scrollToElement=function(t){return this.scrollManager.scrollToElement(t)},r.prototype.scrollToPosition=function(t){return this.scrollManager.scrollToPosition(t)},r.prototype.scrollPositionChanged=function(t){var e;return e=this.getCurrentRestorationData(),e.scrollPosition=t},r.prototype.render=function(t,e){return this.view.render(t,e)},r.prototype.viewInvalidated=function(){return this.adapter.pageInvalidated()},r.prototype.viewWillRender=function(t){return this.notifyApplicationBeforeRender(t)},r.prototype.viewRendered=function(){return this.lastRenderedLocation=this.currentVisit.location,this.notifyApplicationAfterRender()},r.prototype.pageLoaded=function(){return this.lastRenderedLocation=this.location,this.notifyApplicationAfterPageLoad()},r.prototype.clickCaptured=function(){return removeEventListener("click",this.clickBubbled,!1),addEventListener("click",this.clickBubbled,!1)},r.prototype.clickBubbled=function(t){var e,r,n;return this.enabled&&this.clickEventIsSignificant(t)&&(r=this.getVisitableLinkForNode(t.target))&&(n=this.getVisitableLocationForLink(r))&&this.applicationAllowsFollowingLinkToLocation(r,n)?(t.preventDefault(),e=this.getActionForLink(r),this.visit(n,{action:e})):void 0},r.prototype.applicationAllowsFollowingLinkToLocation=function(t,e){var r;return r=this.notifyApplicationAfterClickingLinkToLocation(t,e),!r.defaultPrevented},r.prototype.applicationAllowsVisitingLocation=function(t){var e;return e=this.notifyApplicationBeforeVisitingLocation(t),!e.defaultPrevented},r.prototype.notifyApplicationAfterClickingLinkToLocation=function(t,r){return e.dispatch("turbolinks:click",{target:t,data:{url:r.absoluteURL},cancelable:!0})},r.prototype.notifyApplicationBeforeVisitingLocation=function(t){return e.dispatch("turbolinks:before-visit",{data:{url:t.absoluteURL},cancelable:!0})},r.prototype.notifyApplicationAfterVisitingLocation=function(t){return e.dispatch("turbolinks:visit",{data:{url:t.absoluteURL}})},r.prototype.notifyApplicationBeforeCachingSnapshot=function(){return e.dispatch("turbolinks:before-cache")},r.prototype.notifyApplicationBeforeRender=function(t){return e.dispatch("turbolinks:before-render",{data:{newBody:t}})},r.prototype.notifyApplicationAfterRender=function(){return e.dispatch("turbolinks:render")},r.prototype.notifyApplicationAfterPageLoad=function(t){return null==t&&(t={}),e.dispatch("turbolinks:load",{data:{url:this.location.absoluteURL,timing:t}})},r.prototype.startVisit=function(t,e,r){var n;return null!=(n=this.currentVisit)&&n.cancel(),this.currentVisit=this.createVisit(t,e,r),this.currentVisit.start(),this.notifyApplicationAfterVisitingLocation(t)},r.prototype.createVisit=function(t,r,n){var o,i,s,a,u;return i=null!=n?n:{},a=i.restorationIdentifier,s=i.restorationData,o=i.historyChanged,u=new e.Visit(this,t,r),u.restorationIdentifier=null!=a?a:e.uuid(),u.restorationData=e.copyObject(s),u.historyChanged=o,u.referrer=this.location,u},r.prototype.visitCompleted=function(t){return this.notifyApplicationAfterPageLoad(t.getTimingMetrics())},r.prototype.clickEventIsSignificant=function(t){return!(t.defaultPrevented||t.target.isContentEditable||t.which>1||t.altKey||t.ctrlKey||t.metaKey||t.shiftKey)},r.prototype.getVisitableLinkForNode=function(t){return this.nodeIsVisitable(t)?e.closest(t,"a[href]:not([target]):not([download])"):void 0},r.prototype.getVisitableLocationForLink=function(t){var r;return r=new e.Location(t.getAttribute("href")),this.locationIsVisitable(r)?r:void 0},r.prototype.getActionForLink=function(t){var e;return null!=(e=t.getAttribute("data-turbolinks-action"))?e:"advance"},r.prototype.nodeIsVisitable=function(t){var r;return(r=e.closest(t,"[data-turbolinks]"))?"false"!==r.getAttribute("data-turbolinks"):!0},r.prototype.locationIsVisitable=function(t){return t.isPrefixedBy(this.view.getRootLocation())&&t.isHTML()},r.prototype.getCurrentRestorationData=function(){return this.getRestorationDataForIdentifier(this.restorationIdentifier)},r.prototype.getRestorationDataForIdentifier=function(t){var e;return null!=(e=this.restorationData)[t]?e[t]:e[t]={}},r}()}.call(this),function(){!function(){var t,e;if((t=e=document.currentScript)&&!e.hasAttribute("data-turbolinks-suppress-warning"))for(;t=t.parentNode;)if(t===document.body)return console.warn("You are loading Turbolinks from a <script> element inside the <body> element. This is probably not what you meant to do!\n\nLoad your application\u2019s JavaScript bundle inside the <head> element instead. <script> elements in <body> are evaluated with each page change.\n\nFor more information, see: https://github.com/turbolinks/turbolinks#working-with-script-elements\n\n\u2014\u2014\nSuppress this warning by adding a `data-turbolinks-suppress-warning` attribute to: %s",e.outerHTML)}()}.call(this),function(){var t,r,n;e.start=function(){return r()?(null==e.controller&&(e.controller=t()),e.controller.start()):void 0},r=function(){return null==window.Turbolinks&&(window.Turbolinks=e),n()},t=function(){var t;return t=new e.Controller,t.adapter=new e.BrowserAdapter(t),t},n=function(){return window.Turbolinks===e},n()&&e.start()}.call(this)}).call(this),"object"==typeof module&&module.exports?module.exports=e:"function"==typeof define&&define.amd&&define(e)}).call(this);
\ No newline at end of file
diff --git a/test/intern.json b/intern.json
similarity index 73%
rename from test/intern.json
rename to intern.json
index a3841014e..c13147a8a 100644
--- a/test/intern.json
+++ b/intern.json
@@ -1,5 +1,6 @@
 {
-  "functionalSuites": "suites/**/*.ts",
+  "basePath": "src/tests/",
+  "functionalSuites": "dist/tests.js",
   "environments": [
     {
       "browserName": "chrome",
@@ -8,8 +9,5 @@
       }
     }
   ],
-  "plugins": [
-    "environment.js"
-  ],
   "defaultTimeout": 2500
 }
diff --git a/package.json b/package.json
index 9f684e2bc..10e44c317 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,13 @@
 {
   "name": "turbolinks",
-  "version": "5.2.0",
+  "version": "5.3.0-beta.0",
   "description": "Turbolinks makes navigating your web application faster",
+  "module": "dist/index.js",
   "main": "dist/turbolinks.js",
+  "types": "dist/index.d.ts",
   "files": [
-    "dist",
-    "src"
+    "dist"
   ],
-  "directories": {
-    "test": "test"
-  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/turbolinks/turbolinks.git"
@@ -24,5 +22,19 @@
   "bugs": {
     "url": "https://github.com/turbolinks/turbolinks/issues"
   },
-  "homepage": "https://github.com/turbolinks/turbolinks#readme"
+  "homepage": "https://github.com/turbolinks/turbolinks#readme",
+  "devDependencies": {
+    "intern": "^4.4.1",
+    "leadfoot": "^1.7.6",
+    "rollup": "^1.1.2",
+    "rollup-plugin-typescript2": "^0.19.2",
+    "typescript": "^3.3.1"
+  },
+  "scripts": {
+    "clean": "rm -fr dist",
+    "build": "tsc -b && rollup -c",
+    "watch": "rollup -wc",
+    "start": "intern serveOnly",
+    "test": "NODE_OPTIONS=--inspect intern"
+  }
 }
diff --git a/rollup.config.js b/rollup.config.js
new file mode 100644
index 000000000..5a99e327d
--- /dev/null
+++ b/rollup.config.js
@@ -0,0 +1,46 @@
+import typescript from "rollup-plugin-typescript2"
+import { version } from "./package.json"
+const year = new Date().getFullYear()
+
+const options = {
+  plugins: [
+    typescript({
+      cacheRoot: "node_modules/.cache",
+      tsconfigDefaults: {
+        compilerOptions: {
+          removeComments: true
+        }
+      }
+    })
+  ],
+  watch: {
+    include: "src/**"
+  }
+}
+
+export default [
+  {
+    input: "src/index.ts",
+    output: {
+      banner: `/*\nTurbolinks ${version}\nCopyright © ${year} Basecamp, LLC\n */`,
+      file: "dist/turbolinks.js",
+      format: "umd",
+      name: "Turbolinks",
+      sourcemap: true
+    },
+    ...options
+  },
+
+  {
+    input: "src/tests/index.ts",
+    output: {
+      file: "dist/tests.js",
+      format: "cjs",
+      sourcemap: true
+    },
+    external: [
+      "intern"
+    ],
+    ...options
+  }
+]
diff --git a/src/adapter.ts b/src/adapter.ts
new file mode 100644
index 000000000..375441698
--- /dev/null
+++ b/src/adapter.ts
@@ -0,0 +1,17 @@
+import { Locatable } from "./location"
+import { Action } from "./types"
+import { Visit } from "./visit"
+
+export interface Adapter {
+  visitProposedToLocationWithAction(location: Locatable, action: Action): void
+  visitStarted(visit: Visit): void
+  visitCompleted(visit: Visit): void
+  visitFailed(visit: Visit): void
+  visitRequestStarted(visit: Visit): void
+  visitRequestProgressed?(visit: Visit): void
+  visitRequestCompleted(visit: Visit): void
+  visitRequestFailedWithStatusCode(visit: Visit, statusCode: number): void
+  visitRequestFinished(visit: Visit): void
+  visitRendered(visit: Visit): void
+  pageInvalidated(): void
+}
diff --git a/src/browser_adapter.ts b/src/browser_adapter.ts
new file mode 100644
index 000000000..09c3ee12a
--- /dev/null
+++ b/src/browser_adapter.ts
@@ -0,0 +1,99 @@
+import { Adapter } from "./adapter"
+import { Controller } from "./controller"
+import { SystemStatusCode } from "./http_request"
+import { Locatable } from "./location"
+import { ProgressBar } from "./progress_bar"
+import { Action } from "./types"
+import { Visit } from "./visit"
+import { uuid } from "./util"
+
+export class BrowserAdapter implements Adapter {
+  readonly controller: Controller
+  readonly progressBar = new ProgressBar
+
+  progressBarTimeout?: number
+
+  constructor(controller: Controller) {
+    this.controller = controller
+  }
+
+  visitProposedToLocationWithAction(location: Locatable, action: Action) {
+    const restorationIdentifier = uuid()
+    this.controller.startVisitToLocationWithAction(location, action, restorationIdentifier)
+  }
+
+  visitStarted(visit: Visit) {
+    visit.issueRequest()
+    visit.changeHistory()
+    visit.loadCachedSnapshot()
+  }
+
+  visitRequestStarted(visit: Visit) {
+    this.progressBar.setValue(0)
+    if (visit.hasCachedSnapshot() || visit.action != "restore") {
+      this.showProgressBarAfterDelay()
+    } else {
+      this.showProgressBar()
+    }
+  }
+
+  visitRequestProgressed(visit: Visit) {
+    this.progressBar.setValue(visit.progress)
+  }
+
+  visitRequestCompleted(visit: Visit) {
+    visit.loadResponse()
+  }
+
+  visitRequestFailedWithStatusCode(visit: Visit, statusCode: number) {
+    switch (statusCode) {
+      case SystemStatusCode.networkFailure:
+      case SystemStatusCode.timeoutFailure:
+        return this.reload()
+      default:
+        return visit.loadResponse()
+    }
+  }
+
+  visitRequestFinished(visit: Visit) {
+    this.hideProgressBar()
+  }
+
+  visitCompleted(visit: Visit) {
+    visit.followRedirect()
+  }
+
+  pageInvalidated() {
+    this.reload()
+  }
+
+  visitFailed(visit: Visit) {
+
+  }
+
+  visitRendered(visit: Visit) {
+
+  }
+
+  // Private
+
+  showProgressBarAfterDelay() {
+    this.progressBarTimeout = window.setTimeout(this.showProgressBar, this.controller.progressBarDelay)
+  }
+
+  showProgressBar = () => {
+    this.progressBar.show()
+  }
+
+  hideProgressBar() {
+    this.progressBar.hide()
+    if (this.progressBarTimeout != null) {
+      window.clearTimeout(this.progressBarTimeout)
+      delete this.progressBarTimeout
+    }
+  }
+
+  reload() {
+    window.location.reload()
+  }
+}
diff --git a/src/controller.ts b/src/controller.ts
new file mode 100644
index 000000000..076c1be65
--- /dev/null
+++ b/src/controller.ts
@@ -0,0 +1,340 @@
+import { Adapter } from "./adapter"
+import { BrowserAdapter } from "./browser_adapter"
+import { History } from "./history"
+import { Location, Locatable } from "./location"
+import { RenderCallback } from "./renderer"
+import { ScrollManager } from "./scroll_manager"
+import { SnapshotCache } from "./snapshot_cache"
+import { Action, Position, isAction } from "./types"
+import { closest, defer, dispatch, uuid } from "./util"
+import { RenderOptions, View } from "./view"
+import { Visit } from "./visit"
+
+export type RestorationData = { scrollPosition?: Position }
+export type RestorationDataMap = { [uuid: string]: RestorationData }
+export type TimingData = {}
+export type VisitOptions = { action: Action }
+export type VisitProperties = { restorationIdentifier: string, restorationData: RestorationData, historyChanged: boolean }
+
+export class Controller {
+  static supported = !!(
+    window.history.pushState &&
+    window.requestAnimationFrame &&
+    window.addEventListener
+  )
+
+  readonly adapter: Adapter = new BrowserAdapter(this)
+  readonly history = new History(this)
+  readonly restorationData: RestorationDataMap = {}
+  readonly scrollManager = new ScrollManager(this)
+  readonly view = new View(this)
+
+  cache = new SnapshotCache(10)
+  currentVisit?: Visit
+  enabled = true
+  lastRenderedLocation?: Location
+  location!: Location
+  progressBarDelay = 500
+  restorationIdentifier!: string
+  started = false
+
+  start() {
+    if (Controller.supported && !this.started) {
+      addEventListener("click", this.clickCaptured, true)
+      addEventListener("DOMContentLoaded", this.pageLoaded, false)
+      this.scrollManager.start()
+      this.startHistory()
+      this.started = true
+      this.enabled = true
+    }
+  }
+
+  disable() {
+    this.enabled = false
+  }
+
+  stop() {
+    if (this.started) {
+      removeEventListener("click", this.clickCaptured, true)
+      removeEventListener("DOMContentLoaded", this.pageLoaded, false)
+      this.scrollManager.stop()
+      this.stopHistory()
+      this.started = false
+    }
+  }
+
+  clearCache() {
+    this.cache = new SnapshotCache(10)
+  }
+
+  visit(location: Locatable, options: Partial<VisitOptions> = {}) {
+    location = Location.wrap(location)
+    if (this.applicationAllowsVisitingLocation(location)) {
+      if (this.locationIsVisitable(location)) {
+        const action = options.action || "advance"
+        this.adapter.visitProposedToLocationWithAction(location, action)
+      } else {
+        window.location.href = location.toString()
+      }
+    }
+  }
+
+  startVisitToLocationWithAction(location: Locatable, action: Action, restorationIdentifier: string) {
+    if (Controller.supported) {
+      const restorationData = this.getRestorationDataForIdentifier(restorationIdentifier)
+      this.startVisit(Location.wrap(location), action, { restorationData })
+    } else {
+      window.location.href = location.toString()
+    }
+  }
+
+  setProgressBarDelay(delay: number) {
+    this.progressBarDelay = delay
+  }
+
+  // History
+
+  startHistory() {
+    this.location = Location.wrap(window.location.toString())
+    this.restorationIdentifier = uuid()
+    this.history.start()
+    this.history.replace(this.location, this.restorationIdentifier)
+  }
+
+  stopHistory() {
+    this.history.stop()
+  }
+
+  pushHistoryWithLocationAndRestorationIdentifier(locatable: Locatable, restorationIdentifier: string) {
+    this.location = Location.wrap(locatable)
+    this.restorationIdentifier = restorationIdentifier
+    this.history.push(this.location, this.restorationIdentifier)
+  }
+
+  replaceHistoryWithLocationAndRestorationIdentifier(locatable: Locatable, restorationIdentifier: string) {
+    this.location = Location.wrap(locatable)
+    this.restorationIdentifier = restorationIdentifier
+    this.history.replace(this.location, this.restorationIdentifier)
+  }
+
+  // History delegate
+
+  historyPoppedToLocationWithRestorationIdentifier(location: Location, restorationIdentifier: string) {
+    if (this.enabled) {
+      this.location = location
+      this.restorationIdentifier = restorationIdentifier
+      const restorationData = this.getRestorationDataForIdentifier(restorationIdentifier)
+      this.startVisit(location, "restore", { restorationIdentifier, restorationData, historyChanged: true })
+    } else {
+      this.adapter.pageInvalidated()
+    }
+  }
+
+  // Snapshot cache
+
+  getCachedSnapshotForLocation(location: Location) {
+    const snapshot = this.cache.get(location)
+    return snapshot ? snapshot.clone() : snapshot
+  }
+
+  shouldCacheSnapshot() {
+    return this.view.getSnapshot().isCacheable()
+  }
+
+  cacheSnapshot() {
+    if (this.shouldCacheSnapshot()) {
+      this.notifyApplicationBeforeCachingSnapshot()
+      const snapshot = this.view.getSnapshot()
+      const location = this.lastRenderedLocation
+      defer(() => this.cache.put(location!, snapshot.clone()))
+    }
+  }
+
+  // Scrolling
+
+  scrollToAnchor(anchor: string) {
+    const element = this.view.getElementForAnchor(anchor)
+    if (element) {
+      this.scrollToElement(element)
+    } else {
+      this.scrollToPosition({ x: 0, y: 0 })
+    }
+  }
+
+  scrollToElement(element: Element) {
+    this.scrollManager.scrollToElement(element)
+  }
+
+  scrollToPosition(position: Position) {
+    this.scrollManager.scrollToPosition(position)
+  }
+
+  // Scroll manager delegate
+
+  scrollPositionChanged(position: Position) {
+    const restorationData = this.getCurrentRestorationData()
+    restorationData.scrollPosition = position
+  }
+
+  // View
+
+  render(options: Partial<RenderOptions>, callback: RenderCallback) {
+    this.view.render(options, callback)
+  }
+
+  viewInvalidated() {
+    this.adapter.pageInvalidated()
+  }
+
+  viewWillRender(newBody: HTMLBodyElement) {
+    this.notifyApplicationBeforeRender(newBody)
+  }
+
+  viewRendered() {
+    this.lastRenderedLocation = this.currentVisit!.location
+    this.notifyApplicationAfterRender()
+  }
+
+  // Event handlers
+
+  pageLoaded = () => {
+    this.lastRenderedLocation = this.location
+    this.notifyApplicationAfterPageLoad()
+  }
+
+  clickCaptured = () => {
+    removeEventListener("click", this.clickBubbled, false)
+    addEventListener("click", this.clickBubbled, false)
+  }
+
+  clickBubbled = (event: MouseEvent) => {
+    if (this.enabled && this.clickEventIsSignificant(event)) {
+      const link = this.getVisitableLinkForTarget(event.target)
+      if (link) {
+        const location = this.getVisitableLocationForLink(link)
+        if (location && this.applicationAllowsFollowingLinkToLocation(link, location)) {
+          event.preventDefault()
+          const action = this.getActionForLink(link)
+          this.visit(location, { action })
+        }
+      }
+    }
+  }
+
+  // Application events
+
+  applicationAllowsFollowingLinkToLocation(link: Element, location: Location) {
+    const event = this.notifyApplicationAfterClickingLinkToLocation(link, location)
+    return !event.defaultPrevented
+  }
+
+  applicationAllowsVisitingLocation(location: Location) {
+    const event = this.notifyApplicationBeforeVisitingLocation(location)
+    return !event.defaultPrevented
+  }
+
+  notifyApplicationAfterClickingLinkToLocation(link: Element, location: Location) {
+    return dispatch("turbolinks:click", { target: link, data: { url: location.absoluteURL }, cancelable: true })
+  }
+
+  notifyApplicationBeforeVisitingLocation(location: Location) {
+    return dispatch("turbolinks:before-visit", { data: { url: location.absoluteURL }, cancelable: true })
+  }
+
+  notifyApplicationAfterVisitingLocation(location: Location) {
+    return dispatch("turbolinks:visit", { data: { url: location.absoluteURL } })
+  }
+
+  notifyApplicationBeforeCachingSnapshot() {
+    return dispatch("turbolinks:before-cache")
+  }
+
+  notifyApplicationBeforeRender(newBody: HTMLBodyElement) {
+    return dispatch("turbolinks:before-render", { data: { newBody }})
+  }
+
+  notifyApplicationAfterRender() {
+    return dispatch("turbolinks:render")
+  }
+
+  notifyApplicationAfterPageLoad(timing: TimingData = {}) {
+    return dispatch("turbolinks:load", { data: { url: this.location.absoluteURL, timing }})
+  }
+
+  // Private
+
+  startVisit(location: Location, action: Action, properties: Partial<VisitProperties>) {
+    if (this.currentVisit) {
+      this.currentVisit.cancel()
+    }
+    this.currentVisit = this.createVisit(location, action, properties)
+    this.currentVisit.start()
+    this.notifyApplicationAfterVisitingLocation(location)
+  }
+
+  createVisit(location: Location, action: Action, properties: Partial<VisitProperties>): Visit {
+    const visit = new Visit(this, location, action, properties.restorationIdentifier)
+    visit.restorationData = { ...(properties.restorationData || {}) }
+    visit.historyChanged = !!properties.historyChanged
+    visit.referrer = this.location
+    return visit
+  }
+
+  visitCompleted(visit: Visit) {
+    this.notifyApplicationAfterPageLoad(visit.getTimingMetrics())
+  }
+
+  clickEventIsSignificant(event: MouseEvent) {
+    return !(
+      (event.target && (event.target as any).isContentEditable)
+      || event.defaultPrevented
+      || event.which > 1
+      || event.altKey
+      || event.ctrlKey
+      || event.metaKey
+      || event.shiftKey
+    )
+  }
+
+  getVisitableLinkForTarget(target: EventTarget | null) {
+    if (target instanceof Element && this.elementIsVisitable(target)) {
+      return closest(target, "a[href]:not([target]):not([download])")
+    }
+  }
+
+  getVisitableLocationForLink(link: Element) {
+    const location = new Location(link.getAttribute("href") || "")
+    if (this.locationIsVisitable(location)) {
+      return location
+    }
+  }
+
+  getActionForLink(link: Element): Action {
+    const action = link.getAttribute("data-turbolinks-action")
+    return isAction(action) ? action : "advance"
+  }
+
+  elementIsVisitable(element: Element) {
+    const container = closest(element, "[data-turbolinks]")
+    if (container) {
+      return container.getAttribute("data-turbolinks") != "false"
+    } else {
+      return true
+    }
+  }
+
+  locationIsVisitable(location: Location) {
+    return location.isPrefixedBy(this.view.getRootLocation()) && location.isHTML()
+  }
+
+  getCurrentRestorationData(): RestorationData {
+    return this.getRestorationDataForIdentifier(this.restorationIdentifier)
+  }
+
+  getRestorationDataForIdentifier(identifier: string): RestorationData {
+    if (!(identifier in this.restorationData)) {
+      this.restorationData[identifier] = {}
+    }
+    return this.restorationData[identifier]
+  }
+}
diff --git a/src/error_renderer.ts b/src/error_renderer.ts
new file mode 100644
index 000000000..1411371b2
--- /dev/null
+++ b/src/error_renderer.ts
@@ -0,0 +1,53 @@
+import { RenderCallback, RenderDelegate, Renderer } from "./renderer"
+import { array } from "./util"
+
+export class ErrorRenderer extends Renderer {
+  readonly delegate: RenderDelegate
+  readonly htmlElement: HTMLHtmlElement
+  readonly newHead: HTMLHeadElement
+  readonly newBody: HTMLBodyElement
+
+  static render(delegate: RenderDelegate, callback: RenderCallback, html: string) {
+    return new this(delegate, html).render(callback)
+  }
+
+  constructor(delegate: RenderDelegate, html: string) {
+    super()
+    this.delegate = delegate
+    this.htmlElement = (() => {
+      const htmlElement = document.createElement("html")
+      htmlElement.innerHTML = html
+      return htmlElement
+    })()
+    this.newHead = this.htmlElement.querySelector("head") || document.createElement("head")
+    this.newBody = this.htmlElement.querySelector("body") || document.createElement("body")
+  }
+
+  render(callback: RenderCallback) {
+    this.renderView(() => {
+      this.replaceHeadAndBody()
+      this.activateBodyScriptElements()
+      callback()
+    })
+  }
+
+  replaceHeadAndBody() {
+    const { documentElement, head, body } = document
+    documentElement.replaceChild(this.newHead, head)
+    documentElement.replaceChild(this.newBody, body)
+  }
+
+  activateBodyScriptElements() {
+    for (const replaceableElement of this.getScriptElements()) {
+      const parentNode = replaceableElement.parentNode
+      if (parentNode) {
+        const element = this.createScriptElement(replaceableElement)
+        parentNode.replaceChild(element, replaceableElement)
+      }
+    }
+  }
+
+  getScriptElements() {
+    return array(document.documentElement.querySelectorAll("script"))
+  }
+}
diff --git a/src/globals.d.ts b/src/globals.d.ts
new file mode 100644
index 000000000..22343ff85
--- /dev/null
+++ b/src/globals.d.ts
@@ -0,0 +1,8 @@
+interface Node {
+  // https://github.com/Microsoft/TypeScript/issues/283
+  cloneNode(deep?: boolean): this
+}
+
+interface Window {
+  Turbolinks: any
+}
diff --git a/src/head_details.ts b/src/head_details.ts
new file mode 100644
index 000000000..5fe41af71
--- /dev/null
+++ b/src/head_details.ts
@@ -0,0 +1,113 @@
+import { array } from "./util"
+
+type ElementDetailMap = { [outerHTML: string]: ElementDetails }
+
+type ElementDetails = { type?: ElementType, tracked: boolean, elements: Element[] }
+
+type ElementType = "script" | "stylesheet"
+
+export class HeadDetails {
+  readonly detailsByOuterHTML: ElementDetailMap
+
+  static fromHeadElement(headElement: HTMLHeadElement | null): HeadDetails {
+    const children = headElement ? array(headElement.children) : []
+    return new this(children)
+  }
+
+  constructor(children: Element[]) {
+    this.detailsByOuterHTML = children.reduce((result, element) => {
+      const { outerHTML } = element
+      const details: ElementDetails
+        = outerHTML in result
+        ? result[outerHTML]
+        : {
+          type: elementType(element),
+          tracked: elementIsTracked(element),
+          elements: []
+        }
+      return {
+        ...result,
+        [outerHTML]: {
+          ...details,
+          elements: [...details.elements, element]
+        }
+      }
+    }, {} as ElementDetailMap)
+  }
+
+  getTrackedElementSignature(): string {
+    return Object.keys(this.detailsByOuterHTML)
+      .filter(outerHTML => this.detailsByOuterHTML[outerHTML].tracked)
+      .join("")
+  }
+
+  getScriptElementsNotInDetails(headDetails: HeadDetails) {
+    return this.getElementsMatchingTypeNotInDetails("script", headDetails)
+  }
+
+  getStylesheetElementsNotInDetails(headDetails: HeadDetails) {
+    return this.getElementsMatchingTypeNotInDetails("stylesheet", headDetails)
+  }
+
+  getElementsMatchingTypeNotInDetails(matchedType: ElementType, headDetails: HeadDetails) {
+    return Object.keys(this.detailsByOuterHTML)
+      .filter(outerHTML => !(outerHTML in headDetails.detailsByOuterHTML))
+      .map(outerHTML => this.detailsByOuterHTML[outerHTML])
+      .filter(({ type }) => type == matchedType)
+      .map(({ elements: [element] }) => element)
+  }
+
+  getProvisionalElements(): Element[] {
+    return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => {
+      const { type, tracked, elements } = this.detailsByOuterHTML[outerHTML]
+      if (type == null && !tracked) {
+        return [...result, ...elements]
+      } else if (elements.length > 1) {
+        return [...result, ...elements.slice(1)]
+      } else {
+        return result
+      }
+    }, [] as Element[])
+  }
+
+  getMetaValue(name: string): string | null {
+    const element = this.findMetaElementByName(name)
+    return element
+      ? element.getAttribute("content")
+      : null
+  }
+
+  findMetaElementByName(name: string) {
+    return Object.keys(this.detailsByOuterHTML).reduce((result, outerHTML) => {
+      const { elements: [element] } = this.detailsByOuterHTML[outerHTML]
+      return elementIsMetaElementWithName(element, name) ? element : result
+    }, undefined as Element | undefined)
+  }
+}
+
+function elementType(element: Element) {
+  if (elementIsScript(element)) {
+    return "script"
+  } else if (elementIsStylesheet(element)) {
+    return "stylesheet"
+  }
+}
+
+function elementIsTracked(element: Element) {
+  return element.getAttribute("data-turbolinks-track") == "reload"
+}
+
+function elementIsScript(element: Element) {
+  const tagName = element.tagName.toLowerCase()
+  return tagName == "script"
+}
+
+function elementIsStylesheet(element: Element) {
+  const tagName = element.tagName.toLowerCase()
+  return tagName == "style" || (tagName == "link" && element.getAttribute("rel") == "stylesheet")
+}
+
+function elementIsMetaElementWithName(element: Element, name: string) {
+  const tagName = element.tagName.toLowerCase()
+  return tagName == "meta" && element.getAttribute("name") == name
+}
diff --git a/src/history.ts b/src/history.ts
new file mode 100644
index 000000000..6fd577fbe
--- /dev/null
+++ b/src/history.ts
@@ -0,0 +1,77 @@
+import { Location } from "./location"
+import { defer } from "./util"
+
+export interface HistoryDelegate {
+  historyPoppedToLocationWithRestorationIdentifier(location: Location, restorationIdentifier: string): void
+}
+
+type HistoryMethod = (state: any, title: string, url?: string | null | undefined) => void
+
+export class History {
+  readonly delegate: HistoryDelegate
+  started = false
+  pageLoaded = false
+
+  constructor(delegate: HistoryDelegate) {
+    this.delegate = delegate
+  }
+
+  start() {
+    if (!this.started) {
+      addEventListener("popstate", this.onPopState, false)
+      addEventListener("load", this.onPageLoad, false)
+      this.started = true
+    }
+  }
+
+  stop() {
+    if (this.started) {
+      removeEventListener("popstate", this.onPopState, false)
+      removeEventListener("load", this.onPageLoad, false)
+      this.started = false
+    }
+  }
+
+  push(location: Location, restorationIdentifier: string) {
+    this.update(history.pushState, location, restorationIdentifier)
+  }
+
+  replace(location: Location, restorationIdentifier: string) {
+    this.update(history.replaceState, location, restorationIdentifier)
+  }
+
+  // Event handlers
+
+  onPopState = (event: PopStateEvent) => {
+    if (this.shouldHandlePopState()) {
+      const { turbolinks } = event.state
+      if (turbolinks) {
+        const location = Location.wrap(window.location.toString())
+        const { restorationIdentifier } = turbolinks
+        this.delegate.historyPoppedToLocationWithRestorationIdentifier(location, restorationIdentifier)
+      }
+    }
+  }
+
+  onPageLoad = (event: Event) => {
+    defer(() => {
+      this.pageLoaded = true
+    })
+  }
+
+  // Private
+
+  shouldHandlePopState() {
+    // Safari dispatches a popstate event after window's load event, ignore it
+    return this.pageIsLoaded()
+  }
+
+  pageIsLoaded() {
+    return this.pageLoaded || document.readyState == "complete"
+  }
+
+  update(method: HistoryMethod, location: Location, restorationIdentifier: string) {
+    const state = { turbolinks: { restorationIdentifier } }
+    method.call(history, state, "", location.absoluteURL)
+  }
+}
diff --git a/src/http_request.ts b/src/http_request.ts
new file mode 100644
index 000000000..672da8a8c
--- /dev/null
+++ b/src/http_request.ts
@@ -0,0 +1,141 @@
+import { Location } from "./location"
+import { dispatch } from "./util"
+
+export type StatusCode = number
+
+export enum SystemStatusCode {
+  networkFailure = 0,
+  timeoutFailure = -1
+}
+
+export interface HttpRequestDelegate {
+  requestStarted(): void
+  requestProgressed(progress: number): void
+  requestFinished(): void
+  requestCompletedWithResponse(response: string, redirectedToLocation?: Location): void
+  requestFailedWithStatusCode(statusCode: StatusCode, response?: string): void
+}
+
+export class HttpRequest {
+  static timeout = 60
+
+  readonly delegate: HttpRequestDelegate
+  readonly location: Location
+  readonly referrer?: Location
+  readonly url: string
+
+  failed = false
+  progress = 0
+  sent = false
+  xhr?: XMLHttpRequest
+
+  constructor(delegate: HttpRequestDelegate, location: Location, referrer?: Location) {
+    this.delegate = delegate
+    this.location = location
+    this.referrer = referrer
+    this.location = Location.wrap(location)
+    this.referrer = Location.wrap(referrer)
+    this.url = location.absoluteURL
+    this.createXHR()
+  }
+
+  send() {
+    if (this.xhr && !this.sent) {
+      this.notifyApplicationBeforeRequestStart()
+      this.setProgress(0)
+      this.xhr.send()
+      this.sent = true
+      this.delegate.requestStarted()
+    }
+  }
+
+  cancel() {
+    if (this.xhr && this.sent) {
+      this.xhr.abort()
+    }
+  }
+
+  // XMLHttpRequest events
+
+  requestProgressed = (event: ProgressEvent) => {
+    if (event.lengthComputable) {
+      this.setProgress(event.loaded / event.total)
+    }
+  }
+
+  requestLoaded = () => {
+    this.endRequest(xhr => {
+      if (xhr.status >= 200 && xhr.status < 300) {
+        const redirectedToLocation = Location.wrap(xhr.getResponseHeader("Turbolinks-Location") )
+        this.delegate.requestCompletedWithResponse(xhr.responseText, redirectedToLocation)
+      } else {
+        this.failed = true
+        this.delegate.requestFailedWithStatusCode(xhr.status, xhr.responseText)
+      }
+    })
+  }
+
+  requestFailed = () => {
+    this.endRequest(() => {
+      this.failed = true
+      this.delegate.requestFailedWithStatusCode(SystemStatusCode.networkFailure)
+    })
+  }
+
+  requestTimedOut = () => {
+    this.endRequest(() => {
+      this.failed = true
+      this.delegate.requestFailedWithStatusCode(SystemStatusCode.timeoutFailure)
+    })
+  }
+
+  requestCanceled = () => {
+    this.endRequest()
+  }
+
+  // Application events
+
+  notifyApplicationBeforeRequestStart() {
+    dispatch("turbolinks:request-start", { data: { url: this.url, xhr: this.xhr } })
+  }
+
+  notifyApplicationAfterRequestEnd() {
+    dispatch("turbolinks:request-end", { data: { url: this.url, xhr: this.xhr } })
+  }
+
+  // Private
+
+  createXHR() {
+    const xhr = this.xhr = new XMLHttpRequest
+    const referrer = this.referrer ? this.referrer.absoluteURL : ""
+    const timeout = HttpRequest.timeout * 1000
+
+    xhr.open("GET", this.url, true)
+    xhr.timeout = timeout
+    xhr.setRequestHeader("Accept", "text/html, application/xhtml+xml")
+    xhr.setRequestHeader("Turbolinks-Referrer", referrer)
+    xhr.onprogress = this.requestProgressed
+    xhr.onload = this.requestLoaded
+    xhr.onerror = this.requestFailed
+    xhr.ontimeout = this.requestTimedOut
+    xhr.onabort = this.requestCanceled
+  }
+
+  endRequest(callback: (xhr: XMLHttpRequest) => void = () => {}) {
+    if (this.xhr) {
+      this.notifyApplicationAfterRequestEnd()
+      callback(this.xhr)
+      this.destroy()
+    }
+  }
+
+  setProgress(progress: number) {
+    this.progress = progress
+    this.delegate.requestProgressed(progress)
+  }
+
+  destroy() {
+    this.setProgress(1)
+    this.delegate.requestFinished()
+  }
+}
diff --git a/src/index.ts b/src/index.ts
new file mode 100644
index 000000000..85a9c9fe2
--- /dev/null
+++ b/src/index.ts
@@ -0,0 +1,21 @@
+import namespace from "./namespace"
+import "./script_warning"
+
+export default namespace
+
+if (!window.Turbolinks) {
+  window.Turbolinks = namespace
+  if (!isAMD() && !isCommonJS()) {
+    namespace.start()
+  }
+}
+
+declare var define: (() => any) & { amd: any }
+
+function isAMD() {
+  return typeof define == "function" && define.amd
+}
+
+function isCommonJS() {
+  return typeof exports == "object" && typeof module != "undefined"
+}
diff --git a/src/location.ts b/src/location.ts
new file mode 100644
index 000000000..3f7670156
--- /dev/null
+++ b/src/location.ts
@@ -0,0 +1,97 @@
+export type Locatable = Location | string
+
+export class Location {
+  static wrap(locatable: Locatable): Location
+  static wrap(locatable?: Locatable | null): Location | undefined
+  static wrap(locatable: Locatable) {
+    if (typeof locatable == "string") {
+      return new this(locatable)
+    } else if (locatable != null) {
+      return locatable
+    }
+  }
+
+  readonly absoluteURL: string
+  readonly requestURL: string
+  readonly anchor?: string
+
+  constructor(url: string) {
+    const linkWithAnchor = document.createElement("a")
+    linkWithAnchor.href = url
+
+    this.absoluteURL = linkWithAnchor.href
+
+    const anchorLength = linkWithAnchor.hash.length
+    if (anchorLength < 2) {
+      this.requestURL = this.absoluteURL
+    } else {
+      this.requestURL = this.absoluteURL.slice(0, -anchorLength)
+      this.anchor = linkWithAnchor.hash.slice(1)
+    }
+  }
+
+  getOrigin() {
+    return this.absoluteURL.split("/", 3).join("/")
+  }
+
+  getPath() {
+    return (this.requestURL.match(/\/\/[^/]*(\/[^?;]*)/) || [])[1] || "/"
+  }
+
+  getPathComponents() {
+    return this.getPath().split("/").slice(1)
+  }
+
+  getLastPathComponent() {
+    return this.getPathComponents().slice(-1)[0]
+  }
+
+  getExtension() {
+    return (this.getLastPathComponent().match(/\.[^.]*$/) || [])[0] || ""
+  }
+
+  isHTML() {
+    return this.getExtension().match(/^(?:|\.(?:htm|html|xhtml))$/)
+  }
+
+  isPrefixedBy(location: Location): boolean {
+    const prefixURL = getPrefixURL(location)
+    return this.isEqualTo(location) || stringStartsWith(this.absoluteURL, prefixURL)
+  }
+
+  isEqualTo(location?: Location) {
+    return location && this.absoluteURL === location.absoluteURL
+  }
+
+  toCacheKey() {
+    return this.requestURL
+  }
+
+  toJSON() {
+    return this.absoluteURL
+  }
+
+  toString() {
+    return this.absoluteURL
+  }
+
+  valueOf() {
+    return this.absoluteURL
+  }
+}
+
+function getPrefixURL(location: Location) {
+  return addTrailingSlash(location.getOrigin() + location.getPath())
+}
+
+function addTrailingSlash(url: string) {
+  return stringEndsWith(url, "/") ? url : url + "/"
+}
+
+function stringStartsWith(string: string, prefix: string) {
+  return string.slice(0, prefix.length) === prefix
+}
+
+function stringEndsWith(string: string, suffix: string) {
+  return string.slice(-suffix.length) === suffix
+}
diff --git a/src/namespace.ts b/src/namespace.ts
new file mode 100644
index 000000000..3b7f3e73c
--- /dev/null
+++ b/src/namespace.ts
@@ -0,0 +1,28 @@
+import { Controller, VisitOptions } from "./controller"
+import { Locatable } from "./location"
+
+const controller = new Controller
+
+export default {
+  get supported() {
+    return Controller.supported
+  },
+
+  controller,
+
+  visit(location: Locatable, options?: Partial<VisitOptions>) {
+    controller.visit(location, options)
+  },
+
+  clearCache() {
+    controller.clearCache()
+  },
+
+  setProgressBarDelay(delay: number) {
+    controller.setProgressBarDelay(delay)
+  },
+
+  start() {
+    controller.start()
+  }
+}
diff --git a/src/progress_bar.ts b/src/progress_bar.ts
new file mode 100644
index 000000000..318a86aa7
--- /dev/null
+++ b/src/progress_bar.ts
@@ -0,0 +1,115 @@
+import { unindent } from "./util"
+
+export class ProgressBar {
+  static animationDuration = 300/*ms*/
+
+  static get defaultCSS() {
+    return unindent`
+      .turbolinks-progress-bar {
+        position: fixed;
+        display: block;
+        top: 0;
+        left: 0;
+        height: 3px;
+        background: #0076ff;
+        z-index: 9999;
+        transition:
+          width ${ProgressBar.animationDuration}ms ease-out,
+          opacity ${ProgressBar.animationDuration / 2}ms ${ProgressBar.animationDuration / 2}ms ease-in;
+        transform: translate3d(0, 0, 0);
+      }
+    `
+  }
+
+  readonly stylesheetElement = this.createStylesheetElement()
+  readonly progressElement = this.createProgressElement()
+
+  hiding = false
+  trickleInterval?: number
+  value = 0
+  visible = false
+
+  show() {
+    if (!this.visible) {
+      this.visible = true
+      this.installStylesheetElement()
+      this.installProgressElement()
+      this.startTrickling()
+    }
+  }
+
+  hide() {
+    if (this.visible && !this.hiding) {
+      this.hiding = true
+      this.fadeProgressElement(() => {
+        this.uninstallProgressElement()
+        this.stopTrickling()
+        this.visible = false
+        this.hiding = false
+      })
+    }
+  }
+
+  setValue(value: number) {
+    this.value = value
+    this.refresh()
+  }
+
+  // Private
+
+  installStylesheetElement() {
+    document.head.insertBefore(this.stylesheetElement, document.head.firstChild)
+  }
+
+  installProgressElement() {
+    this.progressElement.style.width = "0"
+    this.progressElement.style.opacity = "1"
+    document.documentElement.insertBefore(this.progressElement, document.body)
+    this.refresh()
+  }
+
+  fadeProgressElement(callback: () => void) {
+    this.progressElement.style.opacity = "0"
+    setTimeout(callback, ProgressBar.animationDuration * 1.5)
+  }
+
+  uninstallProgressElement() {
+    if (this.progressElement.parentNode) {
+      document.documentElement.removeChild(this.progressElement)
+    }
+  }
+
+  startTrickling() {
+    if (!this.trickleInterval) {
+      this.trickleInterval = window.setInterval(this.trickle, ProgressBar.animationDuration)
+    }
+  }
+
+  stopTrickling() {
+    window.clearInterval(this.trickleInterval)
+    delete this.trickleInterval
+  }
+
+  trickle = () => {
+    this.setValue(this.value + Math.random() / 100)
+  }
+
+  refresh() {
+    requestAnimationFrame(() => {
+      this.progressElement.style.width = `${10 + (this.value * 90)}%`
+    })
+  }
+
+  createStylesheetElement() {
+    const element = document.createElement("style")
+    element.type = "text/css"
+    element.textContent = ProgressBar.defaultCSS
+    return element
+  }
+
+  createProgressElement() {
+    const element = document.createElement("div")
+    element.className = "turbolinks-progress-bar"
+    return element
+  }
+}
diff --git a/src/renderer.ts b/src/renderer.ts
new file mode 100644
index 000000000..e8694573f
--- /dev/null
+++ b/src/renderer.ts
@@ -0,0 +1,42 @@
+import { array } from "./util"
+
+export type RenderCallback = () => void
+
+export interface RenderDelegate {
+  viewWillRender(newBody: HTMLBodyElement): void
+  viewRendered(newBody: HTMLBodyElement): void
+  viewInvalidated(): void
+}
+
+export abstract class Renderer {
+  abstract delegate: RenderDelegate
+  abstract newBody: HTMLBodyElement
+
+  renderView(callback: RenderCallback) {
+    this.delegate.viewWillRender(this.newBody)
+    callback()
+    this.delegate.viewRendered(this.newBody)
+  }
+
+  invalidateView() {
+    this.delegate.viewInvalidated()
+  }
+
+  createScriptElement(element: Element) {
+    if (element.getAttribute("data-turbolinks-eval") == "false") {
+      return element
+    } else {
+      const createdScriptElement = document.createElement("script")
+      createdScriptElement.textContent = element.textContent
+      createdScriptElement.async = false
+      copyElementAttributes(createdScriptElement, element)
+      return createdScriptElement
+    }
+  }
+}
+
+function copyElementAttributes(destinationElement: Element, sourceElement: Element) {
+  for (const { name, value } of array(sourceElement.attributes)) {
+    destinationElement.setAttribute(name, value)
+  }
+}
diff --git a/src/script_warning.ts b/src/script_warning.ts
new file mode 100644
index 000000000..6b17ce27a
--- /dev/null
+++ b/src/script_warning.ts
@@ -0,0 +1,22 @@
+import { unindent } from "./util"
+
+(() => {
+  let element: Element | null = document.currentScript
+  if (!element) return
+  if (element.hasAttribute("data-turbolinks-suppress-warning")) return
+
+  while (element = element.parentElement) {
+    if (element == document.body) {
+      return console.warn(unindent`
+        You are loading Turbolinks from a <script> element inside the <body> element. This is probably not what you meant to do!
+
+        Load your application’s JavaScript bundle inside the <head> element instead. <script> elements in <body> are evaluated with each page change.
+
+        For more information, see: https://github.com/turbolinks/turbolinks#working-with-script-elements
+
+        ——
+        Suppress this warning by adding a "data-turbolinks-suppress-warning" attribute to: %s
+      `, element.outerHTML)
+    }
+  }
+})()
diff --git a/src/scroll_manager.ts b/src/scroll_manager.ts
new file mode 100644
index 000000000..ad3bdd928
--- /dev/null
+++ b/src/scroll_manager.ts
@@ -0,0 +1,47 @@
+import { Position } from "./types"
+
+export interface ScrollManagerDelegate {
+  scrollPositionChanged(position: Position): void
+}
+
+export class ScrollManager {
+  readonly delegate: ScrollManagerDelegate
+  started = false
+
+  constructor(delegate: ScrollManagerDelegate) {
+    this.delegate = delegate
+  }
+
+  start() {
+    if (!this.started) {
+      addEventListener("scroll", this.onScroll, false)
+      this.onScroll()
+      this.started = true
+    }
+  }
+
+  stop() {
+    if (this.started) {
+      removeEventListener("scroll", this.onScroll, false)
+      this.started = false
+    }
+  }
+
+  scrollToElement(element: Element) {
+    element.scrollIntoView()
+  }
+
+  scrollToPosition({ x, y }: Position) {
+    window.scrollTo(x, y)
+  }
+
+  onScroll = () => {
+    this.updatePosition({ x: window.pageXOffset, y: window.pageYOffset })
+  }
+
+  // Private
+
+  updatePosition(position: Position) {
+    this.delegate.scrollPositionChanged(position)
+  }
+}
diff --git a/src/snapshot.ts b/src/snapshot.ts
new file mode 100644
index 000000000..5987ff57b
--- /dev/null
+++ b/src/snapshot.ts
@@ -0,0 +1,98 @@
+import { HeadDetails } from "./head_details"
+import { Location } from "./location"
+import { array } from "./util"
+
+export class Snapshot {
+  static wrap(value: Snapshot | string | HTMLHtmlElement) {
+    if (value instanceof this) {
+      return value
+    } else if (typeof value == "string") {
+      return this.fromHTMLString(value)
+    } else {
+      return this.fromHTMLElement(value)
+    }
+  }
+
+  static fromHTMLString(html: string) {
+    const element = document.createElement("html")
+    element.innerHTML = html
+    return this.fromHTMLElement(element)
+  }
+
+  static fromHTMLElement(htmlElement: HTMLHtmlElement) {
+    const headElement = htmlElement.querySelector("head")
+    const bodyElement = htmlElement.querySelector("body") || document.createElement("body")
+    const headDetails = HeadDetails.fromHeadElement(headElement)
+    return new this(headDetails, bodyElement)
+  }
+
+  readonly headDetails: HeadDetails
+  readonly bodyElement: HTMLBodyElement
+
+  constructor(headDetails: HeadDetails, bodyElement: HTMLBodyElement) {
+    this.headDetails = headDetails
+    this.bodyElement = bodyElement
+  }
+
+  clone(): Snapshot {
+    return new Snapshot(this.headDetails, this.bodyElement.cloneNode(true))
+  }
+
+  getRootLocation() {
+    const root = this.getSetting("root", "/")
+    return new Location(root)
+  }
+
+  getCacheControlValue() {
+    return this.getSetting("cache-control")
+  }
+
+  getElementForAnchor(anchor: string) {
+    try {
+      return this.bodyElement.querySelector(`[id='${anchor}'], a[name='${anchor}']`)
+    } catch {
+      return null
+    }
+  }
+
+  getPermanentElements() {
+    return array(this.bodyElement.querySelectorAll("[id][data-turbolinks-permanent]"))
+  }
+
+  getPermanentElementById(id: string) {
+    return this.bodyElement.querySelector(`#${id}[data-turbolinks-permanent]`)
+  }
+
+  getPermanentElementsPresentInSnapshot(snapshot: Snapshot) {
+    return this.getPermanentElements().filter(({ id }) => snapshot.getPermanentElementById(id))
+  }
+
+  findFirstAutofocusableElement() {
+    return this.bodyElement.querySelector("[autofocus]")
+  }
+
+  hasAnchor(anchor: string) {
+    return this.getElementForAnchor(anchor) != null
+  }
+
+  isPreviewable() {
+    return this.getCacheControlValue() != "no-preview"
+  }
+
+  isCacheable() {
+    return this.getCacheControlValue() != "no-cache"
+  }
+
+  isVisitable() {
+    return this.getSetting("visit-control") != "reload"
+  }
+
+  // Private
+
+  getSetting(name: string): string | undefined
+  getSetting(name: string, defaultValue: string): string
+  getSetting(name: string, defaultValue?: string) {
+    const value = this.headDetails.getMetaValue(`turbolinks-${name}`)
+    return value == null ? defaultValue : value
+  }
+}
diff --git a/src/snapshot_cache.ts b/src/snapshot_cache.ts
new file mode 100644
index 000000000..05869f00b
--- /dev/null
+++ b/src/snapshot_cache.ts
@@ -0,0 +1,54 @@
+import { Location } from "./location"
+import { Snapshot } from "./snapshot"
+
+export class SnapshotCache {
+  readonly keys: string[] = []
+  readonly snapshots: { [url: string]: Snapshot } = {}
+  readonly size: number
+
+  constructor(size: number) {
+    this.size = size
+  }
+
+  has(location: Location) {
+    return location.toCacheKey() in this.snapshots
+  }
+
+  get(location: Location): Snapshot | undefined {
+    if (this.has(location)) {
+      const snapshot = this.read(location)
+      this.touch(location)
+      return snapshot
+    }
+  }
+
+  put(location: Location, snapshot: Snapshot) {
+    this.write(location, snapshot)
+    this.touch(location)
+    return snapshot
+  }
+
+  // Private
+
+  read(location: Location) {
+    return this.snapshots[location.toCacheKey()]
+  }
+
+  write(location: Location, snapshot: Snapshot) {
+    this.snapshots[location.toCacheKey()] = snapshot
+  }
+
+  touch(location: Location) {
+    const key = location.toCacheKey()
+    const index = this.keys.indexOf(key)
+    if (index > -1) this.keys.splice(index, 1)
+    this.keys.unshift(key)
+    this.trim()
+  }
+
+  trim() {
+    for (const key of this.keys.splice(this.size)) {
+      delete this.snapshots[key]
+    }
+  }
+}
diff --git a/src/snapshot_renderer.ts b/src/snapshot_renderer.ts
new file mode 100644
index 000000000..a4cf2a21f
--- /dev/null
+++ b/src/snapshot_renderer.ts
@@ -0,0 +1,177 @@
+import { HeadDetails } from "./head_details"
+import { RenderCallback, RenderDelegate, Renderer } from "./renderer"
+import { Snapshot } from "./snapshot"
+import { array } from "./util"
+
+export { RenderCallback, RenderDelegate } from "./renderer"
+
+export type PermanentElement = Element & { id: string }
+
+export type Placeholder = { element: Element, permanentElement: PermanentElement }
+
+export class SnapshotRenderer extends Renderer {
+  readonly delegate: RenderDelegate
+  readonly currentSnapshot: Snapshot
+  readonly currentHeadDetails: HeadDetails
+  readonly newSnapshot: Snapshot
+  readonly newHeadDetails: HeadDetails
+  readonly newBody: HTMLBodyElement
+  readonly isPreview: boolean
+
+  static render(delegate: RenderDelegate, callback: RenderCallback, currentSnapshot: Snapshot, newSnapshot: Snapshot, isPreview: boolean) {
+    return new this(delegate, currentSnapshot, newSnapshot, isPreview).render(callback)
+  }
+
+  constructor(delegate: RenderDelegate, currentSnapshot: Snapshot, newSnapshot: Snapshot, isPreview: boolean) {
+    super()
+    this.delegate = delegate
+    this.currentSnapshot = currentSnapshot
+    this.currentHeadDetails = currentSnapshot.headDetails
+    this.newSnapshot = newSnapshot
+    this.newHeadDetails = newSnapshot.headDetails
+    this.newBody = newSnapshot.bodyElement
+    this.isPreview = isPreview
+  }
+
+  render(callback: RenderCallback) {
+    if (this.shouldRender()) {
+      this.mergeHead()
+      this.renderView(() => {
+        this.replaceBody()
+        if (!this.isPreview) {
+          this.focusFirstAutofocusableElement()
+        }
+        callback()
+      })
+    } else {
+      this.invalidateView()
+    }
+  }
+
+  mergeHead() {
+    this.copyNewHeadStylesheetElements()
+    this.copyNewHeadScriptElements()
+    this.removeCurrentHeadProvisionalElements()
+    this.copyNewHeadProvisionalElements()
+  }
+
+  replaceBody() {
+    const placeholders = this.relocateCurrentBodyPermanentElements()
+    this.activateNewBodyScriptElements()
+    this.assignNewBody()
+    this.replacePlaceholderElementsWithClonedPermanentElements(placeholders)
+  }
+
+  shouldRender() {
+    return this.newSnapshot.isVisitable() && this.trackedElementsAreIdentical()
+  }
+
+  trackedElementsAreIdentical() {
+    return this.currentHeadDetails.getTrackedElementSignature() == this.newHeadDetails.getTrackedElementSignature()
+  }
+
+  copyNewHeadStylesheetElements() {
+    for (const element of this.getNewHeadStylesheetElements()) {
+      document.head.appendChild(element)
+    }
+  }
+
+  copyNewHeadScriptElements() {
+    for (const element of this.getNewHeadScriptElements()) {
+      document.head.appendChild(this.createScriptElement(element))
+    }
+  }
+
+  removeCurrentHeadProvisionalElements() {
+    for (const element of this.getCurrentHeadProvisionalElements()) {
+      document.head.removeChild(element)
+    }
+  }
+
+  copyNewHeadProvisionalElements() {
+    for (const element of this.getNewHeadProvisionalElements()) {
+      document.head.appendChild(element)
+    }
+  }
+
+  relocateCurrentBodyPermanentElements() {
+    return this.getCurrentBodyPermanentElements().reduce((placeholders, permanentElement) => {
+      const newElement = this.newSnapshot.getPermanentElementById(permanentElement.id)
+      if (newElement) {
+        const placeholder = createPlaceholderForPermanentElement(permanentElement)
+        replaceElementWithElement(permanentElement, placeholder.element)
+        replaceElementWithElement(newElement, permanentElement)
+        return [...placeholders, placeholder]
+      } else {
+        return placeholders
+      }
+    }, [] as Placeholder[])
+  }
+
+  replacePlaceholderElementsWithClonedPermanentElements(placeholders: Placeholder[]) {
+    for (const { element, permanentElement } of placeholders) {
+      const clonedElement = permanentElement.cloneNode(true)
+      replaceElementWithElement(element, clonedElement)
+    }
+  }
+
+  activateNewBodyScriptElements() {
+    for (const inertScriptElement of this.getNewBodyScriptElements()) {
+      const activatedScriptElement = this.createScriptElement(inertScriptElement)
+      replaceElementWithElement(inertScriptElement, activatedScriptElement)
+    }
+  }
+
+  assignNewBody() {
+    document.body = this.newBody
+  }
+
+  focusFirstAutofocusableElement() {
+    const element = this.newSnapshot.findFirstAutofocusableElement()
+    if (elementIsFocusable(element)) {
+      element.focus()
+    }
+  }
+
+  getNewHeadStylesheetElements() {
+    return this.newHeadDetails.getStylesheetElementsNotInDetails(this.currentHeadDetails)
+  }
+
+  getNewHeadScriptElements() {
+    return this.newHeadDetails.getScriptElementsNotInDetails(this.currentHeadDetails)
+  }
+
+  getCurrentHeadProvisionalElements() {
+    return this.currentHeadDetails.getProvisionalElements()
+  }
+
+  getNewHeadProvisionalElements() {
+    return this.newHeadDetails.getProvisionalElements()
+  }
+
+  getCurrentBodyPermanentElements(): PermanentElement[] {
+    return this.currentSnapshot.getPermanentElementsPresentInSnapshot(this.newSnapshot)
+  }
+
+  getNewBodyScriptElements() {
+    return array(this.newBody.querySelectorAll("script"))
+  }
+}
+
+function createPlaceholderForPermanentElement(permanentElement: PermanentElement) {
+  const element = document.createElement("meta")
+  element.setAttribute("name", "turbolinks-permanent-placeholder")
+  element.setAttribute("content", permanentElement.id)
+  return { element, permanentElement }
+}
+
+function replaceElementWithElement(fromElement: Element, toElement: Element) {
+  const parentElement = fromElement.parentElement
+  if (parentElement) {
+    return parentElement.replaceChild(toElement, fromElement)
+  }
+}
+
+function elementIsFocusable(element: any): element is { focus: () => void } {
+  return element && typeof element.focus == "function"
+}
diff --git a/test/fixtures/additional_assets.html b/src/tests/fixtures/additional_assets.html
similarity index 100%
rename from test/fixtures/additional_assets.html
rename to src/tests/fixtures/additional_assets.html
diff --git a/test/fixtures/body_script.html b/src/tests/fixtures/body_script.html
similarity index 100%
rename from test/fixtures/body_script.html
rename to src/tests/fixtures/body_script.html
diff --git a/test/fixtures/eval_false_script.html b/src/tests/fixtures/eval_false_script.html
similarity index 100%
rename from test/fixtures/eval_false_script.html
rename to src/tests/fixtures/eval_false_script.html
diff --git a/test/fixtures/head_script.html b/src/tests/fixtures/head_script.html
similarity index 100%
rename from test/fixtures/head_script.html
rename to src/tests/fixtures/head_script.html
diff --git a/test/fixtures/navigation.html b/src/tests/fixtures/navigation.html
similarity index 100%
rename from test/fixtures/navigation.html
rename to src/tests/fixtures/navigation.html
diff --git a/test/fixtures/one.html b/src/tests/fixtures/one.html
similarity index 100%
rename from test/fixtures/one.html
rename to src/tests/fixtures/one.html
diff --git a/test/fixtures/permanent_element.html b/src/tests/fixtures/permanent_element.html
similarity index 100%
rename from test/fixtures/permanent_element.html
rename to src/tests/fixtures/permanent_element.html
diff --git a/test/fixtures/rendering.html b/src/tests/fixtures/rendering.html
similarity index 100%
rename from test/fixtures/rendering.html
rename to src/tests/fixtures/rendering.html
diff --git a/test/fixtures/test.js b/src/tests/fixtures/test.js
similarity index 100%
rename from test/fixtures/test.js
rename to src/tests/fixtures/test.js
diff --git a/test/fixtures/tracked_asset_change.html b/src/tests/fixtures/tracked_asset_change.html
similarity index 100%
rename from test/fixtures/tracked_asset_change.html
rename to src/tests/fixtures/tracked_asset_change.html
diff --git a/src/tests/fixtures/turbolinks.js b/src/tests/fixtures/turbolinks.js
new file mode 120000
index 000000000..dbac12fae
--- /dev/null
+++ b/src/tests/fixtures/turbolinks.js
@@ -0,0 +1 @@
+../../../dist/turbolinks.js
\ No newline at end of file
diff --git a/src/tests/fixtures/turbolinks.js.map b/src/tests/fixtures/turbolinks.js.map
new file mode 120000
index 000000000..8ff5dce42
--- /dev/null
+++ b/src/tests/fixtures/turbolinks.js.map
@@ -0,0 +1 @@
+../../../dist/turbolinks.js.map
\ No newline at end of file
diff --git a/test/fixtures/visit.html b/src/tests/fixtures/visit.html
similarity index 100%
rename from test/fixtures/visit.html
rename to src/tests/fixtures/visit.html
diff --git a/test/fixtures/visit_control_reload.html b/src/tests/fixtures/visit_control_reload.html
similarity index 100%
rename from test/fixtures/visit_control_reload.html
rename to src/tests/fixtures/visit_control_reload.html
diff --git a/test/lib/browser_test_case.ts b/src/tests/helpers/browser_test_case.ts
similarity index 100%
rename from test/lib/browser_test_case.ts
rename to src/tests/helpers/browser_test_case.ts
diff --git a/test/lib/intern_test_case.ts b/src/tests/helpers/intern_test_case.ts
similarity index 100%
rename from test/lib/intern_test_case.ts
rename to src/tests/helpers/intern_test_case.ts
diff --git a/test/lib/remote_channel.ts b/src/tests/helpers/remote_channel.ts
similarity index 89%
rename from test/lib/remote_channel.ts
rename to src/tests/helpers/remote_channel.ts
index d6d06c20c..55427699a 100644
--- a/test/lib/remote_channel.ts
+++ b/src/tests/helpers/remote_channel.ts
@@ -20,7 +20,7 @@ export class RemoteChannel<T> {
     await this.read()
   }
 
-  private get newRecords(): Promise<T[]> {
+  private get newRecords() {
     return this.remote.execute((identifier: string, index: number) => {
       const records = (window as any)[identifier]
       if (records != null && typeof records.slice == "function") {
@@ -28,6 +28,6 @@ export class RemoteChannel<T> {
       } else {
         return []
       }
-    }, [this.identifier, this.index]) as any
+    }, [this.identifier, this.index])
   }
 }
diff --git a/test/lib/turbolinks_test_case.ts b/src/tests/helpers/turbolinks_test_case.ts
similarity index 96%
rename from test/lib/turbolinks_test_case.ts
rename to src/tests/helpers/turbolinks_test_case.ts
index 2f76043f8..e700a51d5 100644
--- a/test/lib/turbolinks_test_case.ts
+++ b/src/tests/helpers/turbolinks_test_case.ts
@@ -69,9 +69,3 @@ export class TurbolinksTestCase extends BrowserTestCase {
     return this.eventLogChannel.drain()
   }
 }
-
-declare global {
-  interface Window {
-    Turbolinks: any
-  }
-}
diff --git a/src/tests/index.ts b/src/tests/index.ts
new file mode 100644
index 000000000..ac21fbed9
--- /dev/null
+++ b/src/tests/index.ts
@@ -0,0 +1,3 @@
+export * from "./navigation_tests"
+export * from "./rendering_tests"
+export * from "./visit_tests"
diff --git a/test/suites/navigation_tests.ts b/src/tests/navigation_tests.ts
similarity index 97%
rename from test/suites/navigation_tests.ts
rename to src/tests/navigation_tests.ts
index 6c203dd16..afb41cb32 100644
--- a/test/suites/navigation_tests.ts
+++ b/src/tests/navigation_tests.ts
@@ -1,6 +1,6 @@
-import { TurbolinksTestCase } from "../lib/turbolinks_test_case"
+import { TurbolinksTestCase } from "./helpers/turbolinks_test_case"
 
-class NavigationTests extends TurbolinksTestCase {
+export class NavigationTests extends TurbolinksTestCase {
   async setup() {
     await this.goToLocation("/fixtures/navigation.html")
   }
diff --git a/test/suites/rendering_tests.ts b/src/tests/rendering_tests.ts
similarity index 97%
rename from test/suites/rendering_tests.ts
rename to src/tests/rendering_tests.ts
index bd8bfe722..570b86bf2 100644
--- a/test/suites/rendering_tests.ts
+++ b/src/tests/rendering_tests.ts
@@ -1,4 +1,4 @@
-import { TurbolinksTestCase } from "../lib/turbolinks_test_case"
+import { TurbolinksTestCase } from "./helpers/turbolinks_test_case"
 import { Element } from "@theintern/leadfoot"
 
 export class RenderingTests extends TurbolinksTestCase {
@@ -158,7 +158,7 @@ export class RenderingTests extends TurbolinksTestCase {
   }
 
   get headElements(): Promise<Element[]> {
-    return this.evaluate(() => [...document.head.children] as any[])
+    return this.evaluate(() => Array.from(document.head.children) as any[])
   }
 
   get permanentElement(): Promise<Element> {
@@ -194,7 +194,7 @@ export class RenderingTests extends TurbolinksTestCase {
       const { documentElement, body } = document
       const observer = new MutationObserver(records => {
         for (const record of records) {
-          if ([...record.removedNodes].indexOf(body) > -1) {
+          if (Array.from(record.removedNodes).indexOf(body) > -1) {
             body.innerHTML = "Modified"
             observer.disconnect()
             break
diff --git a/test/suites/visit_tests.ts b/src/tests/visit_tests.ts
similarity index 92%
rename from test/suites/visit_tests.ts
rename to src/tests/visit_tests.ts
index 3126e6520..941bdb78a 100644
--- a/test/suites/visit_tests.ts
+++ b/src/tests/visit_tests.ts
@@ -1,4 +1,4 @@
-import { TurbolinksTestCase } from "../lib/turbolinks_test_case"
+import { TurbolinksTestCase } from "./helpers/turbolinks_test_case"
 
 export class VisitTests extends TurbolinksTestCase {
   async setup() {
@@ -18,6 +18,9 @@ export class VisitTests extends TurbolinksTestCase {
 
     const { url: urlFromVisitEvent } = await this.nextEventNamed("turbolinks:visit")
     this.assert.equal(urlFromVisitEvent, urlAfterVisit)
+
+    const { timing } = await this.nextEventNamed("turbolinks:load")
+    this.assert.ok(timing)
   }
 
   async "test programmatically visiting a cross-origin location falls back to window.location"() {
diff --git a/src/turbolinks/BANNER.js.erb b/src/turbolinks/BANNER.js.erb
deleted file mode 100644
index 8a83ad7a5..000000000
--- a/src/turbolinks/BANNER.js.erb
+++ /dev/null
@@ -1,4 +0,0 @@
-/*
-Turbolinks <%= depend_on_asset("./VERSION").to_s.strip %>
-Copyright © <%= Time.now.year %> Basecamp, LLC
- */
diff --git a/src/turbolinks/VERSION b/src/turbolinks/VERSION
deleted file mode 100644
index 91ff57278..000000000
--- a/src/turbolinks/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-5.2.0
diff --git a/src/turbolinks/browser_adapter.coffee b/src/turbolinks/browser_adapter.coffee
deleted file mode 100644
index ba443e47d..000000000
--- a/src/turbolinks/browser_adapter.coffee
+++ /dev/null
@@ -1,60 +0,0 @@
-#= require ./http_request
-#= require ./progress_bar
-
-class Turbolinks.BrowserAdapter
-  {NETWORK_FAILURE, TIMEOUT_FAILURE} = Turbolinks.HttpRequest
-
-  constructor: (@controller) ->
-    @progressBar = new Turbolinks.ProgressBar
-
-  visitProposedToLocationWithAction: (location, action) ->
-    @controller.startVisitToLocationWithAction(location, action)
-
-  visitStarted: (visit) ->
-    visit.issueRequest()
-    visit.changeHistory()
-    visit.loadCachedSnapshot()
-
-  visitRequestStarted: (visit) ->
-    @progressBar.setValue(0)
-    if visit.hasCachedSnapshot() or visit.action isnt "restore"
-      @showProgressBarAfterDelay()
-    else
-      @showProgressBar()
-
-  visitRequestProgressed: (visit) ->
-    @progressBar.setValue(visit.progress)
-
-  visitRequestCompleted: (visit) ->
-    visit.loadResponse()
-
-  visitRequestFailedWithStatusCode: (visit, statusCode) ->
-    switch statusCode
-      when NETWORK_FAILURE, TIMEOUT_FAILURE
-        @reload()
-      else
-        visit.loadResponse()
-
-  visitRequestFinished: (visit) ->
-    @hideProgressBar()
-
-  visitCompleted: (visit) ->
-    visit.followRedirect()
-
-  pageInvalidated: ->
-    @reload()
-
-  # Private
-
-  showProgressBarAfterDelay: ->
-    @progressBarTimeout = setTimeout(@showProgressBar, @controller.progressBarDelay)
-
-  showProgressBar: =>
-    @progressBar.show()
-
-  hideProgressBar: ->
-    @progressBar.hide()
-    clearTimeout(@progressBarTimeout)
-
-  reload: ->
-    window.location.reload()
diff --git a/src/turbolinks/compatibility.coffee b/src/turbolinks/compatibility.coffee
deleted file mode 100644
index e26fbbfac..000000000
--- a/src/turbolinks/compatibility.coffee
+++ /dev/null
@@ -1,30 +0,0 @@
-{defer, dispatch} = Turbolinks
-
-handleEvent = (eventName, handler) ->
-  document.addEventListener(eventName, handler, false)
-
-translateEvent = ({from, to}) ->
-  handler = (event) ->
-    event = dispatch(to, target: event.target, cancelable: event.cancelable, data: event.data)
-    event.preventDefault() if event.defaultPrevented
-  handleEvent(from, handler)
-
-translateEvent from: "turbolinks:click", to: "page:before-change"
-translateEvent from: "turbolinks:request-start", to: "page:fetch"
-translateEvent from: "turbolinks:request-end", to: "page:receive"
-translateEvent from: "turbolinks:before-cache", to: "page:before-unload"
-translateEvent from: "turbolinks:render", to: "page:update"
-translateEvent from: "turbolinks:load", to: "page:change"
-translateEvent from: "turbolinks:load", to: "page:update"
-
-loaded = false
-handleEvent "DOMContentLoaded", ->
-  defer ->
-    loaded = true
-handleEvent "turbolinks:load", ->
-  if loaded
-    dispatch("page:load")
-
-jQuery?(document).on "ajaxSuccess", (event, xhr, settings) ->
-  if jQuery.trim(xhr.responseText).length > 0
-    dispatch("page:update")
diff --git a/src/turbolinks/controller.coffee b/src/turbolinks/controller.coffee
deleted file mode 100644
index d45a5557b..000000000
--- a/src/turbolinks/controller.coffee
+++ /dev/null
@@ -1,244 +0,0 @@
-#= require ./location
-#= require ./browser_adapter
-#= require ./history
-#= require ./view
-#= require ./scroll_manager
-#= require ./snapshot_cache
-#= require ./visit
-
-class Turbolinks.Controller
-  constructor: ->
-    @history = new Turbolinks.History this
-    @view = new Turbolinks.View this
-    @scrollManager = new Turbolinks.ScrollManager this
-    @restorationData = {}
-    @clearCache()
-    @setProgressBarDelay(500)
-
-  start: ->
-    if Turbolinks.supported and not @started
-      addEventListener("click", @clickCaptured, true)
-      addEventListener("DOMContentLoaded", @pageLoaded, false)
-      @scrollManager.start()
-      @startHistory()
-      @started = true
-      @enabled = true
-
-  disable: ->
-    @enabled = false
-
-  stop: ->
-    if @started
-      removeEventListener("click", @clickCaptured, true)
-      removeEventListener("DOMContentLoaded", @pageLoaded, false)
-      @scrollManager.stop()
-      @stopHistory()
-      @started = false
-
-  clearCache: ->
-    @cache = new Turbolinks.SnapshotCache 10
-
-  visit: (location, options = {}) ->
-    location = Turbolinks.Location.wrap(location)
-    if @applicationAllowsVisitingLocation(location)
-      if @locationIsVisitable(location)
-        action = options.action ? "advance"
-        @adapter.visitProposedToLocationWithAction(location, action)
-      else
-        window.location = location
-
-  startVisitToLocationWithAction: (location, action, restorationIdentifier) ->
-    if Turbolinks.supported
-      restorationData = @getRestorationDataForIdentifier(restorationIdentifier)
-      @startVisit(location, action, {restorationData})
-    else
-      window.location = location
-
-  setProgressBarDelay: (delay) ->
-    @progressBarDelay = delay
-
-  # History
-
-  startHistory: ->
-    @location = Turbolinks.Location.wrap(window.location)
-    @restorationIdentifier = Turbolinks.uuid()
-    @history.start()
-    @history.replace(@location, @restorationIdentifier)
-
-  stopHistory: ->
-    @history.stop()
-
-  pushHistoryWithLocationAndRestorationIdentifier: (location, @restorationIdentifier) ->
-    @location = Turbolinks.Location.wrap(location)
-    @history.push(@location, @restorationIdentifier)
-
-  replaceHistoryWithLocationAndRestorationIdentifier: (location, @restorationIdentifier) ->
-    @location = Turbolinks.Location.wrap(location)
-    @history.replace(@location, @restorationIdentifier)
-
-  # History delegate
-
-  historyPoppedToLocationWithRestorationIdentifier: (location, @restorationIdentifier) ->
-    if @enabled
-      restorationData = @getRestorationDataForIdentifier(@restorationIdentifier)
-      @startVisit(location, "restore", {@restorationIdentifier, restorationData, historyChanged: true})
-      @location = Turbolinks.Location.wrap(location)
-    else
-      @adapter.pageInvalidated()
-
-  # Snapshot cache
-
-  getCachedSnapshotForLocation: (location) ->
-    @cache.get(location)?.clone()
-
-  shouldCacheSnapshot: ->
-    @view.getSnapshot().isCacheable()
-
-  cacheSnapshot: ->
-    if @shouldCacheSnapshot()
-      @notifyApplicationBeforeCachingSnapshot()
-      snapshot = @view.getSnapshot()
-      location = @lastRenderedLocation
-      Turbolinks.defer =>
-        @cache.put(location, snapshot.clone())
-
-  # Scrolling
-
-  scrollToAnchor: (anchor) ->
-    if element = @view.getElementForAnchor(anchor)
-      @scrollToElement(element)
-    else
-      @scrollToPosition(x: 0, y: 0)
-
-  scrollToElement: (element) ->
-    @scrollManager.scrollToElement(element)
-
-  scrollToPosition: (position) ->
-    @scrollManager.scrollToPosition(position)
-
-  # Scroll manager delegate
-
-  scrollPositionChanged: (scrollPosition) ->
-    restorationData = @getCurrentRestorationData()
-    restorationData.scrollPosition = scrollPosition
-
-  # View
-
-  render: (options, callback) ->
-    @view.render(options, callback)
-
-  viewInvalidated: ->
-    @adapter.pageInvalidated()
-
-  viewWillRender: (newBody) ->
-    @notifyApplicationBeforeRender(newBody)
-
-  viewRendered: ->
-    @lastRenderedLocation = @currentVisit.location
-    @notifyApplicationAfterRender()
-
-  # Event handlers
-
-  pageLoaded: =>
-    @lastRenderedLocation = @location
-    @notifyApplicationAfterPageLoad()
-
-  clickCaptured: =>
-    removeEventListener("click", @clickBubbled, false)
-    addEventListener("click", @clickBubbled, false)
-
-  clickBubbled: (event) =>
-    if @enabled and @clickEventIsSignificant(event)
-      if link = @getVisitableLinkForNode(event.target)
-        if location = @getVisitableLocationForLink(link)
-          if @applicationAllowsFollowingLinkToLocation(link, location)
-            event.preventDefault()
-            action = @getActionForLink(link)
-            @visit(location, {action})
-
-  # Application events
-
-  applicationAllowsFollowingLinkToLocation: (link, location) ->
-    event = @notifyApplicationAfterClickingLinkToLocation(link, location)
-    not event.defaultPrevented
-
-  applicationAllowsVisitingLocation: (location) ->
-    event = @notifyApplicationBeforeVisitingLocation(location)
-    not event.defaultPrevented
-
-  notifyApplicationAfterClickingLinkToLocation: (link, location) ->
-    Turbolinks.dispatch("turbolinks:click", target: link, data: { url: location.absoluteURL }, cancelable: true)
-
-  notifyApplicationBeforeVisitingLocation: (location) ->
-    Turbolinks.dispatch("turbolinks:before-visit", data: { url: location.absoluteURL }, cancelable: true)
-
-  notifyApplicationAfterVisitingLocation: (location) ->
-    Turbolinks.dispatch("turbolinks:visit", data: { url: location.absoluteURL })
-
-  notifyApplicationBeforeCachingSnapshot: ->
-    Turbolinks.dispatch("turbolinks:before-cache")
-
-  notifyApplicationBeforeRender: (newBody) ->
-    Turbolinks.dispatch("turbolinks:before-render", data: {newBody})
-
-  notifyApplicationAfterRender: ->
-    Turbolinks.dispatch("turbolinks:render")
-
-  notifyApplicationAfterPageLoad: (timing = {}) ->
-    Turbolinks.dispatch("turbolinks:load", data: { url: @location.absoluteURL, timing })
-
-  # Private
-
-  startVisit: (location, action, properties) ->
-    @currentVisit?.cancel()
-    @currentVisit = @createVisit(location, action, properties)
-    @currentVisit.start()
-    @notifyApplicationAfterVisitingLocation(location)
-
-  createVisit: (location, action, {restorationIdentifier, restorationData, historyChanged} = {}) ->
-    visit = new Turbolinks.Visit this, location, action
-    visit.restorationIdentifier = restorationIdentifier ? Turbolinks.uuid()
-    visit.restorationData = Turbolinks.copyObject(restorationData)
-    visit.historyChanged = historyChanged
-    visit.referrer = @location
-    visit
-
-  visitCompleted: (visit) ->
-    @notifyApplicationAfterPageLoad(visit.getTimingMetrics())
-
-  clickEventIsSignificant: (event) ->
-    not (
-      event.defaultPrevented or
-      event.target.isContentEditable or
-      event.which > 1 or
-      event.altKey or
-      event.ctrlKey or
-      event.metaKey or
-      event.shiftKey
-    )
-
-  getVisitableLinkForNode: (node) ->
-    if @nodeIsVisitable(node)
-      Turbolinks.closest(node, "a[href]:not([target]):not([download])")
-
-  getVisitableLocationForLink: (link) ->
-    location = new Turbolinks.Location link.getAttribute("href")
-    location if @locationIsVisitable(location)
-
-  getActionForLink: (link) ->
-    link.getAttribute("data-turbolinks-action") ? "advance"
-
-  nodeIsVisitable: (node) ->
-    if container = Turbolinks.closest(node, "[data-turbolinks]")
-      container.getAttribute("data-turbolinks") isnt "false"
-    else
-      true
-
-  locationIsVisitable: (location) ->
-    location.isPrefixedBy(@view.getRootLocation()) and location.isHTML()
-
-  getCurrentRestorationData: ->
-    @getRestorationDataForIdentifier(@restorationIdentifier)
-
-  getRestorationDataForIdentifier: (identifier) ->
-    @restorationData[identifier] ?= {}
diff --git a/src/turbolinks/error_renderer.coffee b/src/turbolinks/error_renderer.coffee
deleted file mode 100644
index da86928b3..000000000
--- a/src/turbolinks/error_renderer.coffee
+++ /dev/null
@@ -1,27 +0,0 @@
-#= require ./renderer
-
-class Turbolinks.ErrorRenderer extends Turbolinks.Renderer
-  constructor: (html) ->
-    htmlElement = document.createElement("html")
-    htmlElement.innerHTML = html
-    @newHead = htmlElement.querySelector("head")
-    @newBody = htmlElement.querySelector("body")
-
-  render: (callback) ->
-    @renderView =>
-      @replaceHeadAndBody()
-      @activateBodyScriptElements()
-      callback()
-
-  replaceHeadAndBody: ->
-    {head, body} = document
-    head.parentNode.replaceChild(@newHead, head)
-    body.parentNode.replaceChild(@newBody, body)
-
-  activateBodyScriptElements: ->
-    for replaceableElement in @getScriptElements()
-      element = @createScriptElement(replaceableElement)
-      replaceableElement.parentNode.replaceChild(element, replaceableElement)
-
-  getScriptElements: ->
-    document.documentElement.querySelectorAll("script")
diff --git a/src/turbolinks/head_details.coffee b/src/turbolinks/head_details.coffee
deleted file mode 100644
index b0695e323..000000000
--- a/src/turbolinks/head_details.coffee
+++ /dev/null
@@ -1,68 +0,0 @@
-class Turbolinks.HeadDetails
-  @fromHeadElement: (headElement) ->
-    new this headElement?.childNodes ? []
-
-  constructor: (childNodes) ->
-    @elements = {}
-    for node in childNodes when node.nodeType is Node.ELEMENT_NODE
-      key = node.outerHTML
-      data = @elements[key] ?=
-        type: elementType(node)
-        tracked: elementIsTracked(node)
-        elements: []
-      data.elements.push(node)
-
-  hasElementWithKey: (key) ->
-    key of @elements
-
-  getTrackedElementSignature: ->
-    (key for key, {tracked} of @elements when tracked).join("")
-
-  getScriptElementsNotInDetails: (headDetails) ->
-    @getElementsMatchingTypeNotInDetails("script", headDetails)
-
-  getStylesheetElementsNotInDetails: (headDetails) ->
-    @getElementsMatchingTypeNotInDetails("stylesheet", headDetails)
-
-  getElementsMatchingTypeNotInDetails: (matchedType, headDetails) ->
-    elements[0] for key, {type, elements} of @elements when type is matchedType and not headDetails.hasElementWithKey(key)
-
-  getProvisionalElements: ->
-    provisionalElements = []
-    for key, {type, tracked, elements} of @elements
-      if not type? and not tracked
-        provisionalElements.push(elements...)
-      else if elements.length > 1
-        provisionalElements.push(elements[1...]...)
-    provisionalElements
-
-  getMetaValue: (name) ->
-    @findMetaElementByName(name)?.getAttribute("content")
-
-  findMetaElementByName: (name) ->
-    element = undefined
-    for key, {elements} of @elements
-      if elementIsMetaElementWithName(elements[0], name)
-        element = elements[0]
-    element
-
-  elementType = (element) ->
-    if elementIsScript(element)
-      "script"
-    else if elementIsStylesheet(element)
-      "stylesheet"
-
-  elementIsTracked = (element) ->
-    element.getAttribute("data-turbolinks-track") is "reload"
-
-  elementIsScript = (element) ->
-    tagName = element.tagName.toLowerCase()
-    tagName is "script"
-
-  elementIsStylesheet = (element) ->
-    tagName = element.tagName.toLowerCase()
-    tagName is "style" or (tagName is "link" and element.getAttribute("rel") is "stylesheet")
-
-  elementIsMetaElementWithName = (element, name) ->
-    tagName = element.tagName.toLowerCase()
-    tagName is "meta" and element.getAttribute("name") is name
diff --git a/src/turbolinks/helpers.coffee b/src/turbolinks/helpers.coffee
deleted file mode 100644
index ab6d54f1f..000000000
--- a/src/turbolinks/helpers.coffee
+++ /dev/null
@@ -1,74 +0,0 @@
-Turbolinks.copyObject = (object) ->
-  result = {}
-  for key, value of object
-    result[key] = value
-  result
-
-
-Turbolinks.closest = (element, selector) ->
-  closest.call(element, selector)
-
-closest = do ->
-  html = document.documentElement
-  html.closest ? (selector) ->
-    node = this
-    while node
-      return node if node.nodeType is Node.ELEMENT_NODE and match.call(node, selector)
-      node = node.parentNode
-
-
-Turbolinks.defer = (callback) ->
-  setTimeout(callback, 1)
-
-Turbolinks.throttle = (fn) ->
-  request = null
-  (args...) ->
-    request ?= requestAnimationFrame =>
-      request = null
-      fn.apply(this, args)
-
-
-Turbolinks.dispatch = (eventName, {target, cancelable, data} = {}) ->
-  event = document.createEvent("Events")
-  event.initEvent(eventName, true, cancelable is true)
-  event.data = data ? {}
-
-  # Fix setting `defaultPrevented` when `preventDefault()` is called
-  # http://stackoverflow.com/questions/23349191/event-preventdefault-is-not-working-in-ie-11-for-custom-events
-  if event.cancelable and not preventDefaultSupported
-    { preventDefault } = event
-    event.preventDefault = ->
-      unless this.defaultPrevented
-        Object.defineProperty(this, "defaultPrevented", get: -> true)
-      preventDefault.call(this)
-
-  (target ? document).dispatchEvent(event)
-  event
-
-preventDefaultSupported = do ->
-  event = document.createEvent("Events")
-  event.initEvent("test", true, true)
-  event.preventDefault()
-  event.defaultPrevented
-
-
-Turbolinks.match = (element, selector) ->
-  match.call(element, selector)
-
-match = do ->
-  html = document.documentElement
-  html.matchesSelector ? html.webkitMatchesSelector ? html.msMatchesSelector ? html.mozMatchesSelector
-
-
-Turbolinks.uuid = ->
-  result = ""
-  for i in [1..36]
-    if i in [9, 14, 19, 24]
-      result += "-"
-    else if i is 15
-      result += "4"
-    else if i is 20
-      result += (Math.floor(Math.random() * 4) + 8).toString(16)
-    else
-      result += Math.floor(Math.random() * 15).toString(16)
-  result
diff --git a/src/turbolinks/history.coffee b/src/turbolinks/history.coffee
deleted file mode 100644
index fcdef6bde..000000000
--- a/src/turbolinks/history.coffee
+++ /dev/null
@@ -1,48 +0,0 @@
-class Turbolinks.History
-  constructor: (@delegate) ->
-
-  start: ->
-    unless @started
-      addEventListener("popstate", @onPopState, false)
-      addEventListener("load", @onPageLoad, false)
-      @started = true
-
-  stop: ->
-    if @started
-      removeEventListener("popstate", @onPopState, false)
-      removeEventListener("load", @onPageLoad, false)
-      @started = false
-
-  push: (location, restorationIdentifier) ->
-    location = Turbolinks.Location.wrap(location)
-    @update("push", location, restorationIdentifier)
-
-  replace: (location, restorationIdentifier) ->
-    location = Turbolinks.Location.wrap(location)
-    @update("replace", location, restorationIdentifier)
-
-  # Event handlers
-
-  onPopState: (event) =>
-    if @shouldHandlePopState()
-      if turbolinks = event.state?.turbolinks
-        location = Turbolinks.Location.wrap(window.location)
-        restorationIdentifier = turbolinks.restorationIdentifier
-        @delegate.historyPoppedToLocationWithRestorationIdentifier(location, restorationIdentifier)
-
-  onPageLoad: (event) =>
-    Turbolinks.defer =>
-      @pageLoaded = true
-
-  # Private
-
-  shouldHandlePopState: ->
-    # Safari dispatches a popstate event after window's load event, ignore it
-    @pageIsLoaded()
-
-  pageIsLoaded: ->
-    @pageLoaded or document.readyState is "complete"
-
-  update: (method, location, restorationIdentifier) ->
-    state = turbolinks: {restorationIdentifier}
-    history[method + "State"](state, null, location)
diff --git a/src/turbolinks/http_request.coffee b/src/turbolinks/http_request.coffee
deleted file mode 100644
index 60d1669de..000000000
--- a/src/turbolinks/http_request.coffee
+++ /dev/null
@@ -1,88 +0,0 @@
-class Turbolinks.HttpRequest
-  @NETWORK_FAILURE = 0
-  @TIMEOUT_FAILURE = -1
-
-  @timeout = 60
-
-  constructor: (@delegate, location, referrer) ->
-    @url = Turbolinks.Location.wrap(location).requestURL
-    @referrer = Turbolinks.Location.wrap(referrer).absoluteURL
-    @createXHR()
-
-  send: ->
-    if @xhr and not @sent
-      @notifyApplicationBeforeRequestStart()
-      @setProgress(0)
-      @xhr.send()
-      @sent = true
-      @delegate.requestStarted?()
-
-  cancel: ->
-    if @xhr and @sent
-      @xhr.abort()
-
-  # XMLHttpRequest events
-
-  requestProgressed: (event) =>
-    if event.lengthComputable
-      @setProgress(event.loaded / event.total)
-
-  requestLoaded: =>
-    @endRequest =>
-      if 200 <= @xhr.status < 300
-        @delegate.requestCompletedWithResponse(@xhr.responseText, @xhr.getResponseHeader("Turbolinks-Location"))
-      else
-        @failed = true
-        @delegate.requestFailedWithStatusCode(@xhr.status, @xhr.responseText)
-
-  requestFailed: =>
-    @endRequest =>
-      @failed = true
-      @delegate.requestFailedWithStatusCode(@constructor.NETWORK_FAILURE)
-
-  requestTimedOut: =>
-    @endRequest =>
-      @failed = true
-      @delegate.requestFailedWithStatusCode(@constructor.TIMEOUT_FAILURE)
-
-  requestCanceled: =>
-    @endRequest()
-
-
-  # Application events
-
-  notifyApplicationBeforeRequestStart: ->
-    Turbolinks.dispatch("turbolinks:request-start", data: { url: @url, xhr: @xhr })
-
-  notifyApplicationAfterRequestEnd: ->
-    Turbolinks.dispatch("turbolinks:request-end", data: { url: @url, xhr: @xhr })
-
-  # Private
-
-  createXHR: ->
-    @xhr = new XMLHttpRequest
-    @xhr.open("GET", @url, true)
-    @xhr.timeout = @constructor.timeout * 1000
-    @xhr.setRequestHeader("Accept", "text/html, application/xhtml+xml")
-    @xhr.setRequestHeader("Turbolinks-Referrer", @referrer)
-    @xhr.onprogress = @requestProgressed
-    @xhr.onload = @requestLoaded
-    @xhr.onerror = @requestFailed
-    @xhr.ontimeout = @requestTimedOut
-    @xhr.onabort = @requestCanceled
-
-  endRequest: (callback) ->
-    if @xhr
-      @notifyApplicationAfterRequestEnd()
-      callback?.call(this)
-      @destroy()
-
-  setProgress: (progress) ->
-    @progress = progress
-    @delegate.requestProgressed?(@progress)
-
-  destroy: ->
-    @setProgress(1)
-    @delegate.requestFinished?()
-    @delegate = null
-    @xhr = null
diff --git a/src/turbolinks/index.coffee b/src/turbolinks/index.coffee
deleted file mode 100644
index 4389ebf9f..000000000
--- a/src/turbolinks/index.coffee
+++ /dev/null
@@ -1,22 +0,0 @@
-#= require ./BANNER
-#= export Turbolinks
-#= require_self
-#= require ./helpers
-#= require ./controller
-#= require ./script_warning
-#= require ./start
-
-@Turbolinks =
-  supported: do ->
-    window.history.pushState? and
-      window.requestAnimationFrame? and
-      window.addEventListener?
-
-  visit: (location, options) ->
-    Turbolinks.controller.visit(location, options)
-
-  clearCache: ->
-    Turbolinks.controller.clearCache()
-
-  setProgressBarDelay: (delay) ->
-    Turbolinks.controller.setProgressBarDelay(delay)
diff --git a/src/turbolinks/location.coffee b/src/turbolinks/location.coffee
deleted file mode 100644
index cb8f39627..000000000
--- a/src/turbolinks/location.coffee
+++ /dev/null
@@ -1,70 +0,0 @@
-class Turbolinks.Location
-  @wrap: (value) ->
-    if value instanceof this
-      value
-    else
-      new this value
-
-  constructor: (url = "") ->
-    linkWithAnchor = document.createElement("a")
-    linkWithAnchor.href = url.toString()
-
-    @absoluteURL = linkWithAnchor.href
-
-    anchorLength = linkWithAnchor.hash.length
-    if anchorLength < 2
-      @requestURL = @absoluteURL
-    else
-      @requestURL = @absoluteURL.slice(0, -anchorLength)
-      @anchor = linkWithAnchor.hash.slice(1)
-
-  getOrigin: ->
-    @absoluteURL.split("/", 3).join("/")
-
-  getPath: ->
-    @requestURL.match(/\/\/[^/]*(\/[^?;]*)/)?[1] ? "/"
-
-  getPathComponents: ->
-    @getPath().split("/").slice(1)
-
-  getLastPathComponent: ->
-    @getPathComponents().slice(-1)[0]
-
-  getExtension: ->
-    @getLastPathComponent().match(/\.[^.]*$/)?[0] ? ""
-
-  isHTML: ->
-    @getExtension().match(/^(?:|\.(?:htm|html|xhtml))$/)
-
-  isPrefixedBy: (location) ->
-    prefixURL = getPrefixURL(location)
-    @isEqualTo(location) or stringStartsWith(@absoluteURL, prefixURL)
-
-  isEqualTo: (location) ->
-    @absoluteURL is location?.absoluteURL
-
-  toCacheKey: ->
-    @requestURL
-
-  toJSON: ->
-    @absoluteURL
-
-  toString: ->
-    @absoluteURL
-
-  valueOf: ->
-    @absoluteURL
-
-  # Private
-
-  getPrefixURL = (location) ->
-    addTrailingSlash(location.getOrigin() + location.getPath())
-
-  addTrailingSlash = (url) ->
-    if stringEndsWith(url, "/") then url else url + "/"
-
-  stringStartsWith = (string, prefix) ->
-    string.slice(0, prefix.length) is prefix
-
-  stringEndsWith = (string, suffix) ->
-    string.slice(-suffix.length) is suffix
diff --git a/src/turbolinks/progress_bar.coffee b/src/turbolinks/progress_bar.coffee
deleted file mode 100644
index 84d83a5b4..000000000
--- a/src/turbolinks/progress_bar.coffee
+++ /dev/null
@@ -1,83 +0,0 @@
-class Turbolinks.ProgressBar
-  ANIMATION_DURATION = 300
-
-  @defaultCSS: """
-    .turbolinks-progress-bar {
-      position: fixed;
-      display: block;
-      top: 0;
-      left: 0;
-      height: 3px;
-      background: #0076ff;
-      z-index: 9999;
-      transition: width #{ANIMATION_DURATION}ms ease-out, opacity #{ANIMATION_DURATION / 2}ms #{ANIMATION_DURATION / 2}ms ease-in;
-      transform: translate3d(0, 0, 0);
-    }
-  """
-
-  constructor: ->
-    @stylesheetElement = @createStylesheetElement()
-    @progressElement = @createProgressElement()
-
-  show: ->
-    unless @visible
-      @visible = true
-      @installStylesheetElement()
-      @installProgressElement()
-      @startTrickling()
-
-  hide: ->
-    if @visible and not @hiding
-      @hiding = true
-      @fadeProgressElement =>
-        @uninstallProgressElement()
-        @stopTrickling()
-        @visible = false
-        @hiding = false
-
-  setValue: (@value) ->
-    @refresh()
-
-  # Private
-
-  installStylesheetElement: ->
-    document.head.insertBefore(@stylesheetElement, document.head.firstChild)
-
-  installProgressElement: ->
-    @progressElement.style.width = 0
-    @progressElement.style.opacity = 1
-    document.documentElement.insertBefore(@progressElement, document.body)
-    @refresh()
-
-  fadeProgressElement: (callback) ->
-    @progressElement.style.opacity = 0
-    setTimeout(callback, ANIMATION_DURATION * 1.5)
-
-  uninstallProgressElement: ->
-    if @progressElement.parentNode
-      document.documentElement.removeChild(@progressElement)
-
-  startTrickling: ->
-    @trickleInterval ?= setInterval(@trickle, ANIMATION_DURATION)
-
-  stopTrickling: ->
-    clearInterval(@trickleInterval)
-    @trickleInterval = null
-
-  trickle: =>
-    @setValue(@value + Math.random() / 100)
-
-  refresh: ->
-    requestAnimationFrame =>
-      @progressElement.style.width = "#{10 + (@value * 90)}%"
-
-  createStylesheetElement: ->
-    element = document.createElement("style")
-    element.type = "text/css"
-    element.textContent = @constructor.defaultCSS
-    element
-
-  createProgressElement: ->
-    element = document.createElement("div")
-    element.className = "turbolinks-progress-bar"
-    element
diff --git a/src/turbolinks/renderer.coffee b/src/turbolinks/renderer.coffee
deleted file mode 100644
index fc837d868..000000000
--- a/src/turbolinks/renderer.coffee
+++ /dev/null
@@ -1,28 +0,0 @@
-class Turbolinks.Renderer
-  @render: (delegate, callback, args...) ->
-    renderer = new this args...
-    renderer.delegate = delegate
-    renderer.render(callback)
-    renderer
-
-  renderView: (callback) ->
-    @delegate.viewWillRender(@newBody)
-    callback()
-    @delegate.viewRendered(@newBody)
-
-  invalidateView: ->
-    @delegate.viewInvalidated()
-
-  createScriptElement: (element) ->
-    if element.getAttribute("data-turbolinks-eval") is "false"
-      element
-    else
-      createdScriptElement = document.createElement("script")
-      createdScriptElement.textContent = element.textContent
-      createdScriptElement.async = false
-      copyElementAttributes(createdScriptElement, element)
-      createdScriptElement
-
-  copyElementAttributes = (destinationElement, sourceElement) ->
-    for {name, value} in sourceElement.attributes
-      destinationElement.setAttribute(name, value)
diff --git a/src/turbolinks/script_warning.coffee b/src/turbolinks/script_warning.coffee
deleted file mode 100644
index cabe312f6..000000000
--- a/src/turbolinks/script_warning.coffee
+++ /dev/null
@@ -1,16 +0,0 @@
-do ->
-  return unless element = script = document.currentScript
-  return if script.hasAttribute("data-turbolinks-suppress-warning")
-
-  while element = element.parentNode
-    if element is document.body
-      return console.warn """
-        You are loading Turbolinks from a <script> element inside the <body> element. This is probably not what you meant to do!
-
-        Load your application’s JavaScript bundle inside the <head> element instead. <script> elements in <body> are evaluated with each page change.
-
-        For more information, see: https://github.com/turbolinks/turbolinks#working-with-script-elements
-
-        ——
-        Suppress this warning by adding a `data-turbolinks-suppress-warning` attribute to: %s
-      """, script.outerHTML
diff --git a/src/turbolinks/scroll_manager.coffee b/src/turbolinks/scroll_manager.coffee
deleted file mode 100644
index 98e38d1e7..000000000
--- a/src/turbolinks/scroll_manager.coffee
+++ /dev/null
@@ -1,28 +0,0 @@
-class Turbolinks.ScrollManager
-  constructor: (@delegate) ->
-    @onScroll = Turbolinks.throttle(@onScroll)
-
-  start: ->
-    unless @started
-      addEventListener("scroll", @onScroll, false)
-      @onScroll()
-      @started = true
-
-  stop: ->
-    if @started
-      removeEventListener("scroll", @onScroll, false)
-      @started = false
-
-  scrollToElement: (element) ->
-    element.scrollIntoView()
-
-  scrollToPosition: ({x, y}) ->
-    window.scrollTo(x, y)
-
-  onScroll: (event) =>
-    @updatePosition(x: window.pageXOffset, y: window.pageYOffset)
-
-  # Private
-
-  updatePosition: (@position) ->
-    @delegate?.scrollPositionChanged(@position)
diff --git a/src/turbolinks/snapshot.coffee b/src/turbolinks/snapshot.coffee
deleted file mode 100644
index 3c8ff6524..000000000
--- a/src/turbolinks/snapshot.coffee
+++ /dev/null
@@ -1,65 +0,0 @@
-#= require ./head_details
-
-class Turbolinks.Snapshot
-  @wrap: (value) ->
-    if value instanceof this
-      value
-    else if typeof value == "string"
-      @fromHTMLString(value)
-    else
-      @fromHTMLElement(value)
-
-  @fromHTMLString: (html) ->
-    htmlElement = document.createElement("html")
-    htmlElement.innerHTML = html
-    @fromHTMLElement(htmlElement)
-
-  @fromHTMLElement: (htmlElement) ->
-    headElement = htmlElement.querySelector("head")
-    bodyElement = htmlElement.querySelector("body") ? document.createElement("body")
-    headDetails = Turbolinks.HeadDetails.fromHeadElement(headElement)
-    new this headDetails, bodyElement
-
-  constructor: (@headDetails, @bodyElement) ->
-
-  clone: ->
-    new @constructor @headDetails, @bodyElement.cloneNode(true)
-
-  getRootLocation: ->
-    root = @getSetting("root") ? "/"
-    new Turbolinks.Location root
-
-  getCacheControlValue: ->
-    @getSetting("cache-control")
-
-  getElementForAnchor: (anchor) ->
-    try @bodyElement.querySelector("[id='#{anchor}'], a[name='#{anchor}']")
-
-  getPermanentElements: ->
-    @bodyElement.querySelectorAll("[id][data-turbolinks-permanent]")
-
-  getPermanentElementById: (id) ->
-    @bodyElement.querySelector("##{id}[data-turbolinks-permanent]")
-
-  getPermanentElementsPresentInSnapshot: (snapshot) ->
-    element for element in @getPermanentElements() when snapshot.getPermanentElementById(element.id)
-
-  findFirstAutofocusableElement: ->
-    @bodyElement.querySelector("[autofocus]")
-
-  hasAnchor: (anchor) ->
-    @getElementForAnchor(anchor)?
-
-  isPreviewable: ->
-    @getCacheControlValue() isnt "no-preview"
-
-  isCacheable: ->
-    @getCacheControlValue() isnt "no-cache"
-
-  isVisitable: ->
-    @getSetting("visit-control") isnt "reload"
-
-  # Private
-
-  getSetting: (name) ->
-    @headDetails.getMetaValue("turbolinks-#{name}")
diff --git a/src/turbolinks/snapshot_cache.coffee b/src/turbolinks/snapshot_cache.coffee
deleted file mode 100644
index bd8bcaac7..000000000
--- a/src/turbolinks/snapshot_cache.coffee
+++ /dev/null
@@ -1,43 +0,0 @@
-class Turbolinks.SnapshotCache
-  constructor: (@size) ->
-    @keys = []
-    @snapshots = {}
-
-  has: (location) ->
-    key = keyForLocation(location)
-    key of @snapshots
-
-  get: (location) ->
-    return unless @has(location)
-    snapshot = @read(location)
-    @touch(location)
-    snapshot
-
-  put: (location, snapshot) ->
-    @write(location, snapshot)
-    @touch(location)
-    snapshot
-
-  # Private
-
-  read: (location) ->
-    key = keyForLocation(location)
-    @snapshots[key]
-
-  write: (location, snapshot) ->
-    key = keyForLocation(location)
-    @snapshots[key] = snapshot
-
-  touch: (location) ->
-    key = keyForLocation(location)
-    index = @keys.indexOf(key)
-    @keys.splice(index, 1) if index > -1
-    @keys.unshift(key)
-    @trim()
-
-  trim: ->
-    for key in @keys.splice(@size)
-      delete @snapshots[key]
-
-  keyForLocation = (location) ->
-    Turbolinks.Location.wrap(location).toCacheKey()
diff --git a/src/turbolinks/snapshot_renderer.coffee b/src/turbolinks/snapshot_renderer.coffee
deleted file mode 100644
index 1bdf8b513..000000000
--- a/src/turbolinks/snapshot_renderer.coffee
+++ /dev/null
@@ -1,104 +0,0 @@
-#= require ./renderer
-
-class Turbolinks.SnapshotRenderer extends Turbolinks.Renderer
-  constructor: (@currentSnapshot, @newSnapshot, @isPreview) ->
-    @currentHeadDetails = @currentSnapshot.headDetails
-    @newHeadDetails = @newSnapshot.headDetails
-    @currentBody = @currentSnapshot.bodyElement
-    @newBody = @newSnapshot.bodyElement
-
-  render: (callback) ->
-    if @shouldRender()
-      @mergeHead()
-      @renderView =>
-        @replaceBody()
-        @focusFirstAutofocusableElement() unless @isPreview
-        callback()
-    else
-      @invalidateView()
-
-  mergeHead: ->
-    @copyNewHeadStylesheetElements()
-    @copyNewHeadScriptElements()
-    @removeCurrentHeadProvisionalElements()
-    @copyNewHeadProvisionalElements()
-
-  replaceBody: ->
-    placeholders = @relocateCurrentBodyPermanentElements()
-    @activateNewBodyScriptElements()
-    @assignNewBody()
-    @replacePlaceholderElementsWithClonedPermanentElements(placeholders)
-
-  shouldRender: ->
-    @newSnapshot.isVisitable() and @trackedElementsAreIdentical()
-
-  trackedElementsAreIdentical: ->
-    @currentHeadDetails.getTrackedElementSignature() is @newHeadDetails.getTrackedElementSignature()
-
-  copyNewHeadStylesheetElements: ->
-    for element in @getNewHeadStylesheetElements()
-      document.head.appendChild(element)
-
-  copyNewHeadScriptElements: ->
-    for element in @getNewHeadScriptElements()
-      document.head.appendChild(@createScriptElement(element))
-
-  removeCurrentHeadProvisionalElements: ->
-    for element in @getCurrentHeadProvisionalElements()
-      document.head.removeChild(element)
-
-  copyNewHeadProvisionalElements: ->
-    for element in @getNewHeadProvisionalElements()
-      document.head.appendChild(element)
-
-  relocateCurrentBodyPermanentElements: ->
-    for permanentElement in @getCurrentBodyPermanentElements()
-      placeholder = createPlaceholderForPermanentElement(permanentElement)
-      newElement = @newSnapshot.getPermanentElementById(permanentElement.id)
-      replaceElementWithElement(permanentElement, placeholder.element)
-      replaceElementWithElement(newElement, permanentElement)
-      placeholder
-
-  replacePlaceholderElementsWithClonedPermanentElements: (placeholders) ->
-    for { element, permanentElement } in placeholders
-      clonedElement = permanentElement.cloneNode(true)
-      replaceElementWithElement(element, clonedElement)
-
-  activateNewBodyScriptElements: ->
-    for inertScriptElement in @getNewBodyScriptElements()
-      activatedScriptElement = @createScriptElement(inertScriptElement)
-      replaceElementWithElement(inertScriptElement, activatedScriptElement)
-
-  assignNewBody: ->
-    document.body = @newBody
-
-  focusFirstAutofocusableElement: ->
-    @newSnapshot.findFirstAutofocusableElement()?.focus()
-
-  getNewHeadStylesheetElements: ->
-    @newHeadDetails.getStylesheetElementsNotInDetails(@currentHeadDetails)
-
-  getNewHeadScriptElements: ->
-    @newHeadDetails.getScriptElementsNotInDetails(@currentHeadDetails)
-
-  getCurrentHeadProvisionalElements: ->
-    @currentHeadDetails.getProvisionalElements()
-
-  getNewHeadProvisionalElements: ->
-    @newHeadDetails.getProvisionalElements()
-
-  getCurrentBodyPermanentElements: ->
-    @currentSnapshot.getPermanentElementsPresentInSnapshot(@newSnapshot)
-
-  getNewBodyScriptElements: ->
-    @newBody.querySelectorAll("script")
-
-createPlaceholderForPermanentElement = (permanentElement) ->
-  element = document.createElement("meta")
-  element.setAttribute("name", "turbolinks-permanent-placeholder")
-  element.setAttribute("content", permanentElement.id)
-  { element, permanentElement }
-
-replaceElementWithElement = (fromElement, toElement) ->
-  if parentElement = fromElement.parentNode
-    parentElement.replaceChild(toElement, fromElement)
diff --git a/src/turbolinks/start.coffee b/src/turbolinks/start.coffee
deleted file mode 100644
index 2ebe1baca..000000000
--- a/src/turbolinks/start.coffee
+++ /dev/null
@@ -1,18 +0,0 @@
-Turbolinks.start = ->
-  if installTurbolinks()
-    Turbolinks.controller ?= createController()
-    Turbolinks.controller.start()
-
-installTurbolinks = ->
-  window.Turbolinks ?= Turbolinks
-  moduleIsInstalled()
-
-createController = ->
-  controller = new Turbolinks.Controller
-  controller.adapter = new Turbolinks.BrowserAdapter(controller)
-  controller
-
-moduleIsInstalled = ->
-  window.Turbolinks is Turbolinks
-
-Turbolinks.start() if moduleIsInstalled()
diff --git a/src/turbolinks/view.coffee b/src/turbolinks/view.coffee
deleted file mode 100644
index 6b07cdb51..000000000
--- a/src/turbolinks/view.coffee
+++ /dev/null
@@ -1,37 +0,0 @@
-#= require ./snapshot
-#= require ./snapshot_renderer
-#= require ./error_renderer
-
-class Turbolinks.View
-  constructor: (@delegate) ->
-    @htmlElement = document.documentElement
-
-  getRootLocation: ->
-    @getSnapshot().getRootLocation()
-
-  getElementForAnchor: (anchor) ->
-    @getSnapshot().getElementForAnchor(anchor)
-
-  getSnapshot: ->
-    Turbolinks.Snapshot.fromHTMLElement(@htmlElement)
-
-  render: ({snapshot, error, isPreview}, callback) ->
-    @markAsPreview(isPreview)
-    if snapshot?
-      @renderSnapshot(snapshot, isPreview, callback)
-    else
-      @renderError(error, callback)
-
-  # Private
-
-  markAsPreview: (isPreview) ->
-    if isPreview
-      @htmlElement.setAttribute("data-turbolinks-preview", "")
-    else
-      @htmlElement.removeAttribute("data-turbolinks-preview")
-
-  renderSnapshot: (snapshot, isPreview, callback) ->
-    Turbolinks.SnapshotRenderer.render(@delegate, callback, @getSnapshot(), Turbolinks.Snapshot.wrap(snapshot), isPreview)
-
-  renderError: (error, callback) ->
-    Turbolinks.ErrorRenderer.render(@delegate, callback, error)
diff --git a/src/turbolinks/visit.coffee b/src/turbolinks/visit.coffee
deleted file mode 100644
index 0a5eea32f..000000000
--- a/src/turbolinks/visit.coffee
+++ /dev/null
@@ -1,162 +0,0 @@
-#= require ./http_request
-
-class Turbolinks.Visit
-  constructor: (@controller, location, @action) ->
-    @identifier = Turbolinks.uuid()
-    @location = Turbolinks.Location.wrap(location)
-    @adapter = @controller.adapter
-    @state = "initialized"
-    @timingMetrics = {}
-
-  start: ->
-    if @state is "initialized"
-      @recordTimingMetric("visitStart")
-      @state = "started"
-      @adapter.visitStarted(this)
-
-  cancel: ->
-    if @state is "started"
-      @request?.cancel()
-      @cancelRender()
-      @state = "canceled"
-
-  complete: ->
-    if @state is "started"
-      @recordTimingMetric("visitEnd")
-      @state = "completed"
-      @adapter.visitCompleted?(this)
-      @controller.visitCompleted(this)
-
-  fail: ->
-    if @state is "started"
-      @state = "failed"
-      @adapter.visitFailed?(this)
-
-  changeHistory: ->
-    unless @historyChanged
-      actionForHistory = if @location.isEqualTo(@referrer) then "replace" else @action
-      method = getHistoryMethodForAction(actionForHistory)
-      @controller[method](@location, @restorationIdentifier)
-      @historyChanged = true
-
-  issueRequest: ->
-    if @shouldIssueRequest() and not @request?
-      @progress = 0
-      @request = new Turbolinks.HttpRequest this, @location, @referrer
-      @request.send()
-
-  getCachedSnapshot: ->
-    if snapshot = @controller.getCachedSnapshotForLocation(@location)
-      if not @location.anchor? or snapshot.hasAnchor(@location.anchor)
-        if @action is "restore" or snapshot.isPreviewable()
-          snapshot
-
-  hasCachedSnapshot: ->
-    @getCachedSnapshot()?
-
-  loadCachedSnapshot: ->
-    if snapshot = @getCachedSnapshot()
-      isPreview = @shouldIssueRequest()
-      @render ->
-        @cacheSnapshot()
-        @controller.render({snapshot, isPreview}, @performScroll)
-        @adapter.visitRendered?(this)
-        @complete() unless isPreview
-
-  loadResponse: ->
-    if @response?
-      @render ->
-        @cacheSnapshot()
-        if @request.failed
-          @controller.render(error: @response, @performScroll)
-          @adapter.visitRendered?(this)
-          @fail()
-        else
-          @controller.render(snapshot: @response, @performScroll)
-          @adapter.visitRendered?(this)
-          @complete()
-
-  followRedirect: ->
-    if @redirectedToLocation and not @followedRedirect
-      @location = @redirectedToLocation
-      @controller.replaceHistoryWithLocationAndRestorationIdentifier(@redirectedToLocation, @restorationIdentifier)
-      @followedRedirect = true
-
-  # HTTP Request delegate
-
-  requestStarted: ->
-    @recordTimingMetric("requestStart")
-    @adapter.visitRequestStarted?(this)
-
-  requestProgressed: (@progress) ->
-    @adapter.visitRequestProgressed?(this)
-
-  requestCompletedWithResponse: (@response, redirectedToLocation) ->
-    @redirectedToLocation = Turbolinks.Location.wrap(redirectedToLocation) if redirectedToLocation?
-    @adapter.visitRequestCompleted(this)
-
-  requestFailedWithStatusCode: (statusCode, @response) ->
-    @adapter.visitRequestFailedWithStatusCode(this, statusCode)
-
-  requestFinished: ->
-    @recordTimingMetric("requestEnd")
-    @adapter.visitRequestFinished?(this)
-
-  # Scrolling
-
-  performScroll: =>
-    unless @scrolled
-      if @action is "restore"
-        @scrollToRestoredPosition() or @scrollToTop()
-      else
-        @scrollToAnchor() or @scrollToTop()
-      @scrolled = true
-
-  scrollToRestoredPosition: ->
-    position = @restorationData?.scrollPosition
-    if position?
-      @controller.scrollToPosition(position)
-      true
-
-  scrollToAnchor: ->
-    if @location.anchor?
-      @controller.scrollToAnchor(@location.anchor)
-      true
-
-  scrollToTop: ->
-    @controller.scrollToPosition(x: 0, y: 0)
-
-  # Instrumentation
-
-  recordTimingMetric: (name) ->
-    @timingMetrics[name] ?= new Date().getTime()
-
-  getTimingMetrics: ->
-    Turbolinks.copyObject(@timingMetrics)
-
-  # Private
-
-  getHistoryMethodForAction = (action) ->
-    switch action
-      when "replace" then "replaceHistoryWithLocationAndRestorationIdentifier"
-      when "advance", "restore" then "pushHistoryWithLocationAndRestorationIdentifier"
-
-  shouldIssueRequest: ->
-    if @action is "restore"
-      not @hasCachedSnapshot()
-    else
-      true
-
-  cacheSnapshot: ->
-    unless @snapshotCached
-      @controller.cacheSnapshot()
-      @snapshotCached = true
-
-  render: (callback) ->
-    @cancelRender()
-    @frame = requestAnimationFrame =>
-      @frame = null
-      callback.call(this)
-
-  cancelRender: ->
-    cancelAnimationFrame(@frame) if @frame
diff --git a/src/types.ts b/src/types.ts
new file mode 100644
index 000000000..012d0ee47
--- /dev/null
+++ b/src/types.ts
@@ -0,0 +1,7 @@
+export type Action = "advance" | "replace" | "restore"
+
+export function isAction(action: any): action is Action {
+  return action == "advance" || action == "replace" || action == "restore"
+}
+
+export type Position = { x: number, y: number }
diff --git a/src/util.ts b/src/util.ts
new file mode 100644
index 000000000..9519f4414
--- /dev/null
+++ b/src/util.ts
@@ -0,0 +1,95 @@
+export function array<T>(values: ArrayLike<T>): T[] {
+  return Array.prototype.slice.call(values)
+}
+
+export const closest = (() => {
+  const html = document.documentElement
+
+  type MatchesSelector = (this: Element, selector: string) => boolean
+  const match: MatchesSelector = html.matches
+    || (html as any).webkitMatchesSelector
+    || (html as any).msMatchesSelector
+    || (html as any).mozMatchesSelector
+
+  type Closest = (this: Element, selector: string) => Element | null
+  const closest: Closest = html.closest || function(selector: string) {
+    let element: Element | null = this
+    while (element) {
+      if (match.call(element, selector)) {
+        return element
+      } else {
+        element = element.parentElement
+      }
+    }
+  }
+
+  return function(element: Element, selector: string) {
+    return closest.call(element, selector)
+  }
+})()
+
+export function defer(callback: () => any) {
+  setTimeout(callback, 1)
+}
+
+export type DispatchOptions = { target: EventTarget, cancelable: boolean, data: any }
+
+export function dispatch(eventName: string, { target, cancelable, data }: Partial<DispatchOptions> = {}) {
+  const event = document.createEvent("Events") as Event & { data: any }
+  event.initEvent(eventName, true, cancelable == true)
+  event.data = data || {}
+
+  // Fix setting `defaultPrevented` when `preventDefault()` is called
+  // http://stackoverflow.com/questions/23349191/event-preventdefault-is-not-working-in-ie-11-for-custom-events
+  if (event.cancelable && !preventDefaultSupported) {
+    const { preventDefault } = event
+    event.preventDefault = function() {
+      if (!this.defaultPrevented) {
+        Object.defineProperty(this, "defaultPrevented", { get: () => true })
+      }
+      preventDefault.call(this)
+    }
+  }
+
+  (target || document).dispatchEvent(event)
+  return event
+}
+
+const preventDefaultSupported = (() => {
+  const event = document.createEvent("Events")
+  event.initEvent("test", true, true)
+  event.preventDefault()
+  return event.defaultPrevented
+})()
+
+export function unindent(strings: TemplateStringsArray, ...values: any[]): string {
+  const lines = trimLeft(interpolate(strings, values)).split("\n")
+  const match = lines[0].match(/^\s+/)
+  const indent = match ? match[0].length : 0
+  return lines.map(line => line.slice(indent)).join("\n")
+}
+
+function trimLeft(string: string) {
+  return string.replace(/^\n/, "")
+}
+
+function interpolate(strings: TemplateStringsArray, values: any[]) {
+  return strings.reduce((result, string, i) => {
+    const value = values[i] == undefined ? "" : values[i]
+    return result + string + value
+  }, "")
+}
+
+export function uuid() {
+  return Array.apply(null, { length: 36 } as any).map((_, i) => {
+    if (i == 8 || i == 13 || i == 18 || i == 23) {
+      return "-"
+    } else if (i == 14) {
+      return "4"
+    } else if (i == 19) {
+      return (Math.floor(Math.random() * 4) + 8).toString(16)
+    } else {
+      return Math.floor(Math.random() * 15).toString(16)
+    }
+  }).join("")
+}
diff --git a/src/view.ts b/src/view.ts
new file mode 100644
index 000000000..2bdb158e0
--- /dev/null
+++ b/src/view.ts
@@ -0,0 +1,54 @@
+import { ErrorRenderer } from "./error_renderer"
+import { Location } from "./location"
+import { Snapshot } from "./snapshot"
+import { RenderCallback, RenderDelegate, SnapshotRenderer } from "./snapshot_renderer"
+
+export type RenderOptions = { snapshot: Snapshot, error: string, isPreview: boolean }
+
+export class View {
+  readonly delegate: RenderDelegate
+  readonly htmlElement = document.documentElement as HTMLHtmlElement
+
+  constructor(delegate: RenderDelegate) {
+    this.delegate = delegate
+  }
+
+  getRootLocation(): Location {
+    return this.getSnapshot().getRootLocation()
+  }
+
+  getElementForAnchor(anchor: string) {
+    return this.getSnapshot().getElementForAnchor(anchor)
+  }
+
+  getSnapshot(): Snapshot {
+    return Snapshot.fromHTMLElement(this.htmlElement)
+  }
+
+  render({ snapshot, error, isPreview }: Partial<RenderOptions>, callback: RenderCallback) {
+    this.markAsPreview(isPreview)
+    if (snapshot) {
+      this.renderSnapshot(snapshot, isPreview, callback)
+    } else {
+      this.renderError(error, callback)
+    }
+  }
+
+  // Private
+
+  markAsPreview(isPreview: boolean | undefined) {
+    if (isPreview) {
+      this.htmlElement.setAttribute("data-turbolinks-preview", "")
+    } else {
+      this.htmlElement.removeAttribute("data-turbolinks-preview")
+    }
+  }
+
+  renderSnapshot(snapshot: Snapshot, isPreview: boolean | undefined, callback: RenderCallback) {
+    SnapshotRenderer.render(this.delegate, callback, this.getSnapshot(), snapshot, isPreview || false)
+  }
+
+  renderError(error: string | undefined, callback: RenderCallback) {
+    ErrorRenderer.render(this.delegate, callback, error || "")
+  }
+}
diff --git a/src/visit.ts b/src/visit.ts
new file mode 100644
index 000000000..3a423b0bc
--- /dev/null
+++ b/src/visit.ts
@@ -0,0 +1,270 @@
+import { Adapter } from "./adapter"
+import { Controller, RestorationData } from "./controller"
+import { HttpRequest } from "./http_request"
+import { Location } from "./location"
+import { RenderCallback } from "./renderer"
+import { Snapshot } from "./snapshot"
+import { Action } from "./types"
+import { uuid } from "./util"
+
+export enum TimingMetric {
+  visitStart = "visitStart",
+  requestStart = "requestStart",
+  requestEnd = "requestEnd",
+  visitEnd = "visitEnd"
+}
+
+export type TimingMetrics = Partial<{ [metric in TimingMetric]: any }>
+
+export enum VisitState {
+  initialized = "initialized",
+  started = "started",
+  canceled = "canceled",
+  failed = "failed",
+  completed = "completed"
+}
+
+export class Visit {
+  readonly controller: Controller
+  readonly action: Action
+  readonly adapter: Adapter
+  readonly identifier = uuid()
+  readonly restorationIdentifier: string
+  readonly timingMetrics: TimingMetrics = {}
+
+  followedRedirect = false
+  frame?: number
+  historyChanged = false
+  location: Location
+  progress = 0
+  referrer?: Location
+  redirectedToLocation?: Location
+  request?: HttpRequest
+  response?: string
+  restorationData?: RestorationData
+  scrolled = false
+  snapshotCached = false
+  state = VisitState.initialized
+
+  constructor(controller: Controller, location: Location, action: Action, restorationIdentifier: string = uuid()) {
+    this.controller = controller
+    this.location = location
+    this.action = action
+    this.adapter = controller.adapter
+    this.restorationIdentifier = restorationIdentifier
+  }
+
+  start() {
+    if (this.state == VisitState.initialized) {
+      this.recordTimingMetric(TimingMetric.visitStart)
+      this.state = VisitState.started
+      this.adapter.visitStarted(this)
+    }
+  }
+
+  cancel() {
+    if (this.state == VisitState.started) {
+      if (this.request) {
+        this.request.cancel()
+      }
+      this.cancelRender()
+      this.state = VisitState.canceled
+    }
+  }
+
+  complete() {
+    if (this.state == VisitState.started) {
+      this.recordTimingMetric(TimingMetric.visitEnd)
+      this.state = VisitState.completed
+      this.adapter.visitCompleted(this)
+      this.controller.visitCompleted(this)
+    }
+  }
+
+  fail() {
+    if (this.state == VisitState.started) {
+      this.state = VisitState.failed
+      this.adapter.visitFailed(this)
+    }
+  }
+
+  changeHistory() {
+    if (!this.historyChanged) {
+      const actionForHistory = this.location.isEqualTo(this.referrer) ? "replace" : this.action
+      const method = this.getHistoryMethodForAction(actionForHistory)
+      method.call(this.controller, this.location, this.restorationIdentifier)
+      this.historyChanged = true
+    }
+  }
+
+  issueRequest() {
+    if (this.shouldIssueRequest() && !this.request) {
+      this.progress = 0
+      this.request = new HttpRequest(this, this.location, this.referrer)
+      this.request.send()
+    }
+  }
+
+  getCachedSnapshot() {
+    const snapshot = this.controller.getCachedSnapshotForLocation(this.location)
+    if (snapshot && (!this.location.anchor || snapshot.hasAnchor(this.location.anchor))) {
+      if (this.action == "restore" || snapshot.isPreviewable()) {
+        return snapshot
+      }
+    }
+  }
+
+  hasCachedSnapshot() {
+    return this.getCachedSnapshot() != null
+  }
+
+  loadCachedSnapshot() {
+    const snapshot = this.getCachedSnapshot()
+    if (snapshot) {
+      const isPreview = this.shouldIssueRequest()
+      this.render(() => {
+        this.cacheSnapshot()
+        this.controller.render({ snapshot, isPreview }, this.performScroll)
+        this.adapter.visitRendered(this)
+        if (!isPreview) {
+          this.complete()
+        }
+      })
+    }
+  }
+
+  loadResponse() {
+    const { request, response } = this
+    if (request && response) {
+      this.render(() => {
+        this.cacheSnapshot()
+        if (request.failed) {
+          this.controller.render({ error: this.response }, this.performScroll)
+          this.adapter.visitRendered(this)
+          this.fail()
+        } else {
+          this.controller.render({ snapshot: Snapshot.fromHTMLString(response) }, this.performScroll)
+          this.adapter.visitRendered(this)
+          this.complete()
+        }
+      })
+    }
+  }
+
+  followRedirect() {
+    if (this.redirectedToLocation && !this.followedRedirect) {
+      this.location = this.redirectedToLocation
+      this.controller.replaceHistoryWithLocationAndRestorationIdentifier(this.redirectedToLocation, this.restorationIdentifier)
+      this.followedRedirect = true
+    }
+  }
+
+  // HTTP request delegate
+
+  requestStarted() {
+    this.recordTimingMetric(TimingMetric.requestStart)
+    this.adapter.visitRequestStarted(this)
+  }
+
+  requestProgressed(progress: number) {
+    this.progress = progress
+    if (this.adapter.visitRequestProgressed) {
+      this.adapter.visitRequestProgressed(this)
+    }
+  }
+
+  requestCompletedWithResponse(response: string, redirectedToLocation?: Location) {
+    this.response = response
+    this.redirectedToLocation = redirectedToLocation
+    this.adapter.visitRequestCompleted(this)
+  }
+
+  requestFailedWithStatusCode(statusCode: number, response?: string) {
+    this.response = response
+    this.adapter.visitRequestFailedWithStatusCode(this, statusCode)
+  }
+
+  requestFinished() {
+    this.recordTimingMetric(TimingMetric.requestEnd)
+    this.adapter.visitRequestFinished(this)
+  }
+
+  // Scrolling
+
+  performScroll = () => {
+    if (!this.scrolled) {
+      if (this.action == "restore") {
+        this.scrollToRestoredPosition() || this.scrollToTop()
+      } else {
+        this.scrollToAnchor() || this.scrollToTop()
+      }
+      this.scrolled = true
+    }
+  }
+
+  scrollToRestoredPosition() {
+    const position = this.restorationData ? this.restorationData.scrollPosition : undefined
+    if (position) {
+      this.controller.scrollToPosition(position)
+      return true
+    }
+  }
+
+  scrollToAnchor() {
+    if (this.location.anchor != null) {
+      this.controller.scrollToAnchor(this.location.anchor)
+      return true
+    }
+  }
+
+  scrollToTop() {
+    this.controller.scrollToPosition({ x: 0, y: 0 })
+  }
+
+  // Instrumentation
+
+  recordTimingMetric(metric: TimingMetric) {
+    this.timingMetrics[metric] = new Date().getTime()
+  }
+
+  getTimingMetrics(): TimingMetrics {
+    return { ...this.timingMetrics }
+  }
+
+  // Private
+
+  getHistoryMethodForAction(action: Action) {
+    switch (action) {
+      case "replace": return this.controller.replaceHistoryWithLocationAndRestorationIdentifier
+      case "advance":
+      case "restore": return this.controller.pushHistoryWithLocationAndRestorationIdentifier
+    }
+  }
+    shouldIssueRequest() {
+    return this.action == "restore"
+      ? !this.hasCachedSnapshot()
+      : true
+  }
+
+  cacheSnapshot() {
+    if (!this.snapshotCached) {
+      this.controller.cacheSnapshot()
+      this.snapshotCached = true
+    }
+  }
+
+  render(callback: RenderCallback) {
+    this.cancelRender()
+    this.frame = requestAnimationFrame(() => {
+      delete this.frame
+      callback.call(this)
+    })
+  }
+
+  cancelRender() {
+    if (this.frame) {
+      cancelAnimationFrame(this.frame)
+      delete this.frame
+    }
+  }
+}
diff --git a/test/.gitignore b/test/.gitignore
deleted file mode 100644
index 07e6e472c..000000000
--- a/test/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/node_modules
diff --git a/test/environment.js b/test/environment.js
deleted file mode 100644
index 2e310a4a0..000000000
--- a/test/environment.js
+++ /dev/null
@@ -1 +0,0 @@
-require("ts-node").register()
diff --git a/test/fixtures/turbolinks.js b/test/fixtures/turbolinks.js
deleted file mode 120000
index c079aeadd..000000000
--- a/test/fixtures/turbolinks.js
+++ /dev/null
@@ -1 +0,0 @@
-../../dist/turbolinks.js
\ No newline at end of file
diff --git a/test/package.json b/test/package.json
deleted file mode 100644
index 1a20a8674..000000000
--- a/test/package.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "name": "turbolinks-tests",
-  "version": "1.0.0",
-  "license": "MIT",
-  "private": true,
-  "devDependencies": {
-    "intern": "^4.2.2",
-    "leadfoot": "^1.7.6",
-    "ts-node": "^7.0.0",
-    "typescript": "^2.9.2"
-  },
-  "scripts": {
-    "serve": "intern serveOnly",
-    "test": "NODE_OPTIONS=--inspect intern"
-  }
-}
diff --git a/test/tsconfig.json b/test/tsconfig.json
deleted file mode 100644
index a7b30c51a..000000000
--- a/test/tsconfig.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "ES2015",
-    "module": "commonjs",
-    "strict": true
-  }
-}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 000000000..f2a8241ff
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "declaration": true,
+    "declarationMap": true,
+    "esModuleInterop": true,
+    "lib": ["dom", "es2015"],
+    "module": "es2015",
+    "moduleResolution": "node",
+    "noUnusedLocals": true,
+    "outDir": "dist",
+    "rootDir": "src",
+    "sourceMap": true,
+    "strict": true,
+    "target": "es5",
+    "types": []
+  }
+}
diff --git a/test/yarn.lock b/yarn.lock
similarity index 54%
rename from test/yarn.lock
rename to yarn.lock
index 5a4034ddd..f15da14bf 100644
--- a/test/yarn.lock
+++ b/yarn.lock
@@ -2,125 +2,98 @@
 # yarn lockfile v1
 
 
-"@dojo/core@~0.5.0":
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/@dojo/core/-/core-0.5.0.tgz#47676f37a3045d0a598704c8f344932ad833d121"
-  dependencies:
-    tslib "~1.8.1"
-
-"@dojo/core@~2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@dojo/core/-/core-2.0.0.tgz#10210e1f00c4aa96236ead7df360eea20c76770d"
-  dependencies:
-    tslib "~1.8.1"
-
-"@dojo/has@~0.1.2":
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/@dojo/has/-/has-0.1.2.tgz#26d125256d716bd0037328e2eaa94cd5b09857ec"
-
-"@dojo/has@~2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@dojo/has/-/has-2.0.0.tgz#ed78e579a86a3f381a6b36a91cac819d58dfacd5"
-
-"@dojo/interfaces@~0.2.0", "@dojo/interfaces@~0.2.1":
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/@dojo/interfaces/-/interfaces-0.2.1.tgz#d569c88ea64418d9424e4ba538c0f7e081225bfc"
-  dependencies:
-    "@types/yargs" "^8.0.2"
-
-"@dojo/shim@~0.2.7":
-  version "0.2.7"
-  resolved "https://registry.yarnpkg.com/@dojo/shim/-/shim-0.2.7.tgz#e5f45543d3887afcf2c1b118522353e398e10d3e"
-  dependencies:
-    intersection-observer "0.4.2"
-    pepjs "0.4.2"
-    tslib "~1.8.0"
-    web-animations-js "2.3.1"
-
-"@dojo/shim@~2.0.0":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@dojo/shim/-/shim-2.0.0.tgz#472fe5c0f10640f94ea065b405dfa34cf32fc462"
+"@theintern/common@~0.1.3":
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/@theintern/common/-/common-0.1.3.tgz#423345aca579f31774b094316ef8be19c60b6312"
+  integrity sha512-ZOP29xy8vaEX7OaSrKtQsdnXB7tCPSUgpoWVhUxA1MD0g7EaUjMpBibS4fJPnoblstBNtnfoI8rGpnJP0/qB3A==
   dependencies:
-    intersection-observer "0.4.2"
-    pepjs "0.4.2"
-    tslib "~1.8.0"
-    web-animations-js "2.3.1"
+    axios "~0.18.0"
+    tslib "~1.9.3"
 
-"@theintern/digdug@~2.1.0":
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/@theintern/digdug/-/digdug-2.1.2.tgz#0edb444fff83e6f2d0d369a59a1d4ac8251af488"
+"@theintern/digdug@~2.2.3":
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/@theintern/digdug/-/digdug-2.2.3.tgz#75f30eb277713a03661f641adaeb57030b4d79a1"
+  integrity sha512-K3udP/hLAI/0snTBo92FGC6TQnqZ247bADYzTm4SzfprL64Y71cQ46z6s/ORZscbx19d0TXyjKWvBUlraEBQOA==
   dependencies:
-    "@dojo/core" "~2.0.0"
-    "@dojo/has" "~2.0.0"
-    "@dojo/interfaces" "~0.2.0"
-    "@dojo/shim" "~2.0.0"
+    "@theintern/common" "~0.1.3"
     command-exists "~1.2.6"
     decompress "~4.2.0"
     semver "~5.5.0"
-    tslib "~1.9.0"
+    tslib "~1.9.3"
 
-"@theintern/leadfoot@~2.1.0":
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/@theintern/leadfoot/-/leadfoot-2.1.0.tgz#7e06fdbe9d311fd152bf90fd218c4ca1ab49e4b6"
+"@theintern/leadfoot@~2.2.5":
+  version "2.2.5"
+  resolved "https://registry.yarnpkg.com/@theintern/leadfoot/-/leadfoot-2.2.5.tgz#ce683372eb773f55f079014c3854d41e4e0e4204"
+  integrity sha512-PzqkwEXipFSRz/nT1GYxQKNVrei/soirkEdEwvaL+i//+4CoeaLh1yOd33YzIiWIfX9kUsmVmx0q4Vw7a3mtLg==
   dependencies:
-    "@dojo/core" "~0.5.0"
-    "@dojo/has" "~0.1.2"
-    "@dojo/interfaces" "~0.2.1"
-    "@dojo/shim" "~0.2.7"
-    "@types/jszip" "~3.1.3"
-    jszip "~3.1.3"
-    tslib "~1.9.0"
+    "@theintern/common" "~0.1.3"
+    jszip "~3.1.5"
+    tslib "~1.9.3"
 
 "@types/babel-types@*":
   version "7.0.4"
   resolved "https://registry.yarnpkg.com/@types/babel-types/-/babel-types-7.0.4.tgz#bfd5b0d0d1ba13e351dff65b6e52783b816826c8"
+  integrity sha512-WiZhq3SVJHFRgRYLXvpf65XnV6ipVHhnNaNvE8yCimejrGglkg38kEj0JcizqwSHxmPSjcTlig/6JouxLGEhGw==
 
 "@types/benchmark@~1.0.30":
   version "1.0.31"
   resolved "https://registry.yarnpkg.com/@types/benchmark/-/benchmark-1.0.31.tgz#2dd3514e93396f362ba5551a7c9ff0da405c1d38"
+  integrity sha512-F6fVNOkGEkSdo/19yWYOwVKGvzbTeWkR/XQYBKtGBQ9oGRjBN9f/L4aJI4sDcVPJO58Y1CJZN8va9V2BhrZapA==
 
 "@types/body-parser@*":
   version "1.17.0"
   resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.0.tgz#9f5c9d9bd04bb54be32d5eb9fc0d8c974e6cf58c"
+  integrity sha512-a2+YeUjPkztKJu5aIF2yArYFQQp8d51wZ7DavSHjFuY1mqVgidGyzEQ41JIVNy82fXj8yPgy2vJmfIywgESW6w==
   dependencies:
     "@types/connect" "*"
     "@types/node" "*"
 
-"@types/chai@~4.1.2":
-  version "4.1.4"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.1.4.tgz#5ca073b330d90b4066d6ce18f60d57f2084ce8ca"
+"@types/chai@~4.1.4":
+  version "4.1.7"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.1.7.tgz#1b8e33b61a8c09cbe1f85133071baa0dbf9fa71a"
+  integrity sha512-2Y8uPt0/jwjhQ6EiluT0XCri1Dbplr0ZxfFXUz+ye13gaqE8u5gL5ppao1JrUYr9cIip5S6MvQzBS7Kke7U9VA==
 
 "@types/charm@~1.0.0":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@types/charm/-/charm-1.0.1.tgz#c46a906572e51d5a2ad934fba2a0d04ce87e4904"
+  integrity sha512-F9OalGhk60p/DnACfa1SWtmVTMni0+w9t/qfb5Bu7CsurkEjZFN7Z+ii/VGmYpaViPz7o3tBahRQae9O7skFlQ==
   dependencies:
     "@types/node" "*"
 
 "@types/connect@*":
   version "3.4.32"
   resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.32.tgz#aa0e9616b9435ccad02bc52b5b454ffc2c70ba28"
+  integrity sha512-4r8qa0quOvh7lGD0pre62CAb1oni1OO6ecJLGCezTmhQ8Fz50Arx9RUszryR8KlgK6avuSXvviL6yWyViQABOg==
   dependencies:
     "@types/node" "*"
 
 "@types/diff@~3.5.1":
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/@types/diff/-/diff-3.5.1.tgz#30253f6e177564ad7da707b1ebe46d3eade71706"
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/@types/diff/-/diff-3.5.3.tgz#7c6c3721ba454d838790100faf7957116ee7deab"
+  integrity sha512-YrLagYnL+tfrgM7bQ5yW34pi5cg9pmh5Gbq2Lmuuh+zh0ZjmK2fU3896PtlpJT3IDG2rdkoG30biHJepgIsMnw==
+
+"@types/estree@0.0.39":
+  version "0.0.39"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
+  integrity sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==
 
 "@types/events@*":
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/@types/events/-/events-1.2.0.tgz#81a6731ce4df43619e5c8c945383b3e62a89ea86"
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
+  integrity sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==
 
 "@types/express-serve-static-core@*":
-  version "4.16.0"
-  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.16.0.tgz#fdfe777594ddc1fe8eb8eccce52e261b496e43e7"
+  version "4.16.1"
+  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.16.1.tgz#35df7b302299a4ab138a643617bd44078e74d44e"
+  integrity sha512-QgbIMRU1EVRry5cIu1ORCQP4flSYqLM1lS5LYyGWfKnFT3E58f0gKto7BR13clBFVrVZ0G0rbLZ1hUpSkgQQOA==
   dependencies:
-    "@types/events" "*"
     "@types/node" "*"
     "@types/range-parser" "*"
 
 "@types/express@~4.11.1":
   version "4.11.1"
   resolved "https://registry.yarnpkg.com/@types/express/-/express-4.11.1.tgz#f99663b3ab32d04cb11db612ef5dd7933f75465b"
+  integrity sha512-ttWle8cnPA5rAelauSWeWJimtY2RsUf2aspYZs7xPHiWgOlPn6nnUfBMtrkcnjFJuIHJF4gNOdVvpLK2Zmvh6g==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "*"
@@ -129,18 +102,22 @@
 "@types/http-errors@~1.6.1":
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/@types/http-errors/-/http-errors-1.6.1.tgz#367744a6c04b833383f497f647cc3690b0cd4055"
+  integrity sha512-s+RHKSGc3r0m3YEE2UXomJYrpQaY9cDmNDLU2XvG1/LAZsQ7y8emYkTLfcw/ByDtcsTyRQKwr76Bj4PkN2hfWg==
 
 "@types/istanbul-lib-coverage@*", "@types/istanbul-lib-coverage@~1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.0.tgz#2cc2ca41051498382b43157c8227fea60363f94a"
+  integrity sha512-ohkhb9LehJy+PA40rDtGAji61NCgdtKLAlFoYp4cnuuQEswwdK3vz9SOIkkyc3wrk8dzjphQApNs56yyXLStaQ==
 
 "@types/istanbul-lib-hook@~1.0.0":
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-hook/-/istanbul-lib-hook-1.0.0.tgz#61fb0d14b1037c46d54bb3959b25ca055d35d86b"
+  integrity sha512-+kdaJ8hO/auIGcqPuSbd3cnTSzgM8ZW0zfYFZLP67vCmWkZV4LdC1XOXpMWnlONup+PChJMK8Q/+Qrh7WoxnUQ==
 
-"@types/istanbul-lib-instrument@~1.7.1":
+"@types/istanbul-lib-instrument@~1.7.2":
   version "1.7.2"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.2.tgz#44e61372876597e361148a84537be402f4c9e972"
+  integrity sha512-SWIpdKneXqThfrKIokt9dXSPeslS2NWcxhtr+/a2+N81aLyOMAsVTMmwaKuCoEahcI0FfhY3/79AR6Vilk9i8A==
   dependencies:
     "@types/babel-types" "*"
     "@types/istanbul-lib-coverage" "*"
@@ -149,12 +126,14 @@
 "@types/istanbul-lib-report@*", "@types/istanbul-lib-report@~1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-report/-/istanbul-lib-report-1.1.0.tgz#79e9b463f947e98dcc82272da51b908fc93e8aea"
+  integrity sha512-nW5QuzmMhr7fHPijtaGOemFFI8Ctrxb/dIXgouSlKmWT16RxWlGLEX/nGghIBOReKe9hPFZXoNh338nFQk2xcA==
   dependencies:
     "@types/istanbul-lib-coverage" "*"
 
 "@types/istanbul-lib-source-maps@~1.2.1":
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.1.tgz#c6db98b8b9f0b5aea000f7a8922cc075a85eda9f"
+  integrity sha512-K0IvmTFbI2GjLG0O4AOLPV2hFItE5Bg/TY41IBZIThhLhYthJc3VjpZpM8/sIaIVtnQcX8b2k3muPDvsvhk+Fg==
   dependencies:
     "@types/istanbul-lib-coverage" "*"
     source-map "^0.6.1"
@@ -162,140 +141,170 @@
 "@types/istanbul-reports@~1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@types/istanbul-reports/-/istanbul-reports-1.1.0.tgz#3cb3f3ee82160d735d5c067318a110c4a0a02ac9"
+  integrity sha512-wrJUtE1+HuaRz0Le7fc5l1nMTermRh6wlEvOdQPilseNScyYgQK8MdgDP2cf/X8+6e1dtsX/zP4W4kH/jyHvFw==
   dependencies:
     "@types/istanbul-lib-coverage" "*"
     "@types/istanbul-lib-report" "*"
 
-"@types/jszip@~3.1.3":
-  version "3.1.4"
-  resolved "https://registry.yarnpkg.com/@types/jszip/-/jszip-3.1.4.tgz#9b81e3901a6988e9459ac27abf483e6b892251af"
-  dependencies:
-    "@types/node" "*"
-
-"@types/lodash@~4.14.107":
-  version "4.14.112"
-  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.112.tgz#4a8d8e5716b97a1ac01fe1931ad1e4cba719de5a"
+"@types/lodash@~4.14.112":
+  version "4.14.120"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.120.tgz#cf265d06f6c7a710db087ed07523ab8c1a24047b"
+  integrity sha512-jQ21kQ120mo+IrDs1nFNVm/AsdFxIx2+vZ347DbogHJPd/JzKNMOqU6HCYin1W6v8l5R9XSO2/e9cxmn7HAnVw==
 
 "@types/mime-types@~2.1.0":
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/@types/mime-types/-/mime-types-2.1.0.tgz#9ca52cda363f699c69466c2a6ccdaad913ea7a73"
+  integrity sha1-nKUs2jY/aZxpRmwqbM2q2RPqenM=
 
 "@types/mime@*":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.0.tgz#5a7306e367c539b9f6543499de8dd519fac37a8b"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.1.tgz#dc488842312a7f075149312905b5e3c0b054c79d"
+  integrity sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==
 
 "@types/node@*":
-  version "10.5.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.5.2.tgz#f19f05314d5421fe37e74153254201a7bf00a707"
+  version "10.12.18"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
+  integrity sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ==
 
 "@types/platform@~1.3.0":
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/@types/platform/-/platform-1.3.1.tgz#5a66616693e39f311b3f2c64c77cf2249e3d8325"
+  integrity sha512-XI6JKLFNBmkADRd2FtUYtEuq5LDKTNXwUIodV3ZfTNkA+g4yo+rXXXdZL3fTE24S92BjpiEVaL3f64Fxm2JOgg==
 
 "@types/range-parser@*":
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.2.tgz#fa8e1ad1d474688a757140c91de6dace6f4abc8d"
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
+  integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
 
 "@types/resolve@0.0.7":
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/@types/resolve/-/resolve-0.0.7.tgz#b299c13be8d712b1b502fb14a084252acef84f4d"
+  integrity sha512-GPewdjkb0Q76o459qgp6pBLzJj/bD3oveS2kfLhIkZ9U3t3AFKtl5DlFB6lGTw0iZmcmxoGC8lpLW3NNJKrN9A==
   dependencies:
     "@types/node" "*"
 
 "@types/serve-static@*":
   version "1.13.2"
   resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.2.tgz#f5ac4d7a6420a99a6a45af4719f4dcd8cd907a48"
+  integrity sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==
   dependencies:
     "@types/express-serve-static-core" "*"
     "@types/mime" "*"
 
 "@types/shell-quote@~1.6.0":
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/@types/shell-quote/-/shell-quote-1.6.0.tgz#537b2949a2ebdcb0d353e448fee45b081021963f"
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/@types/shell-quote/-/shell-quote-1.6.1.tgz#eed0cd93ac3628427d7b44c4550f854f9400e39f"
+  integrity sha512-t0bxRLQ75MMF7EeICa1eYC//o1/6gPaUV7ELke4l4OkwpZ9apOzvv2oR5F2PmQJ3tM83Lo+MNKfAXn5gQRMcnA==
 
 "@types/statuses@~1.3.0":
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/@types/statuses/-/statuses-1.3.0.tgz#991dce04cedf5f4fc4f66e4fdb9ec4ae1b1dfe29"
+  integrity sha512-E0QjLIX1q+ThpQ7HLh5SjMtUtPl0tQjxoLMPwJtFDFtH7C0qdXmCgNcBplZ9m24+sOoQBpc0PT/aMW4jlm3K6g==
 
 "@types/ws@~4.0.2":
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/@types/ws/-/ws-4.0.2.tgz#b29037627dd7ba31ec49a4f1584840422efb856f"
+  integrity sha512-tlDVFHCcJdNqYgjGNDPDCo4tNqhFMymIAdJCcykFbdhYr4X6vD7IlMxY0t3/k6Pfup68YNkMTpRfLKTRuKDmnQ==
   dependencies:
     "@types/events" "*"
     "@types/node" "*"
 
-"@types/yargs@^8.0.2":
-  version "8.0.3"
-  resolved "https://registry.yarnpkg.com/@types/yargs/-/yargs-8.0.3.tgz#6f0ad77792762fc69d209716dbab3201dcba56fb"
-
 accepts@~1.3.5:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
+  integrity sha1-63d99gEXI6OxTopywIBcjoZ0a9I=
   dependencies:
     mime-types "~2.1.18"
     negotiator "0.6.1"
 
-align-text@^0.1.1, align-text@^0.1.3:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
-  dependencies:
-    kind-of "^3.0.2"
-    longest "^1.0.1"
-    repeat-string "^1.5.2"
-
-amdefine@>=0.0.4:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
+acorn@^6.0.5:
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.0.5.tgz#81730c0815f3f3b34d8efa95cb7430965f4d887a"
+  integrity sha512-i33Zgp3XWtmZBMNvCr4azvOFeWVw1Rk6p3hfi3LUDvIFraOMywb1kAtrbi+med14m4Xfpqm3zRZMT+c0FNE7kg==
 
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+  integrity sha1-w7M6te42DYbg5ijwRorn7yfWVN8=
 
 ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
+  integrity sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=
 
 append-transform@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-0.4.0.tgz#d76ebf8ca94d276e247a36bad44a4b74ab611991"
+  integrity sha1-126/jKlNJ24keja61EpLdKthGZE=
   dependencies:
     default-require-extensions "^1.0.0"
 
+arr-diff@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
+  integrity sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=
+  dependencies:
+    arr-flatten "^1.0.1"
+
+arr-flatten@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
+  integrity sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==
+
 array-filter@~0.0.0:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
+  integrity sha1-fajPLiZijtcygDWB/SH2fKzS7uw=
 
 array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+  integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
 
 array-map@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
+  integrity sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=
 
 array-reduce@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/array-reduce/-/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"
+  integrity sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=
 
-arrify@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
+array-unique@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
+  integrity sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=
 
 assertion-error@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
+  integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
 
 async-limiter@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
+  integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
+
+async@^2.5.0:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
+  integrity sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==
+  dependencies:
+    lodash "^4.17.10"
 
-async@^1.4.0:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
+axios@~0.18.0:
+  version "0.18.0"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.18.0.tgz#32d53e4851efdc0a11993b6cd000789d70c05102"
+  integrity sha1-MtU+SFHv3AoRmTts0AB4nXDAUQI=
+  dependencies:
+    follow-redirects "^1.3.0"
+    is-buffer "^1.1.5"
 
 babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
+  integrity sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=
   dependencies:
     chalk "^1.1.3"
     esutils "^2.0.2"
@@ -304,6 +313,7 @@ babel-code-frame@^6.26.0:
 babel-generator@^6.18.0:
   version "6.26.1"
   resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
+  integrity sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==
   dependencies:
     babel-messages "^6.23.0"
     babel-runtime "^6.26.0"
@@ -317,12 +327,14 @@ babel-generator@^6.18.0:
 babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
+  integrity sha1-8830cDhYA1sqKVHG7F7fbGLyYw4=
   dependencies:
     babel-runtime "^6.22.0"
 
 babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
+  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
   dependencies:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
@@ -330,6 +342,7 @@ babel-runtime@^6.22.0, babel-runtime@^6.26.0:
 babel-template@^6.16.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.26.0.tgz#de03e2d16396b069f46dd9fff8521fb1a0e35e02"
+  integrity sha1-3gPi0WOWsGn0bdn/+FIfsaDjXgI=
   dependencies:
     babel-runtime "^6.26.0"
     babel-traverse "^6.26.0"
@@ -340,6 +353,7 @@ babel-template@^6.16.0:
 babel-traverse@^6.18.0, babel-traverse@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.26.0.tgz#46a9cbd7edcc62c8e5c064e2d2d8d0f4035766ee"
+  integrity sha1-RqnL1+3MYsjlwGTi0tjQ9ANXZu4=
   dependencies:
     babel-code-frame "^6.26.0"
     babel-messages "^6.23.0"
@@ -354,6 +368,7 @@ babel-traverse@^6.18.0, babel-traverse@^6.26.0:
 babel-types@^6.18.0, babel-types@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
+  integrity sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=
   dependencies:
     babel-runtime "^6.26.0"
     esutils "^2.0.2"
@@ -363,18 +378,22 @@ babel-types@^6.18.0, babel-types@^6.26.0:
 babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
+  integrity sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==
 
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
 base64-js@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-0.0.8.tgz#1101e9544f4a76b1bc3b26d452ca96d7a35e7978"
+  integrity sha1-EQHpVE9KdrG8OybUUsqW16NeeXg=
 
 benchmark@~2.1.4:
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/benchmark/-/benchmark-2.1.4.tgz#09f3de31c916425d498cc2ee565a0ebf3c2a5629"
+  integrity sha1-CfPeMckWQl1JjMLuVloOvzwqVik=
   dependencies:
     lodash "^4.17.4"
     platform "^1.3.3"
@@ -382,28 +401,15 @@ benchmark@~2.1.4:
 bl@^1.0.0:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
+  integrity sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
-body-parser@1.18.2:
-  version "1.18.2"
-  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
-  dependencies:
-    bytes "3.0.0"
-    content-type "~1.0.4"
-    debug "2.6.9"
-    depd "~1.1.1"
-    http-errors "~1.6.2"
-    iconv-lite "0.4.19"
-    on-finished "~2.3.0"
-    qs "6.5.1"
-    raw-body "2.3.2"
-    type-is "~1.6.15"
-
-body-parser@~1.18.2:
+body-parser@1.18.3, body-parser@~1.18.3:
   version "1.18.3"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.3.tgz#5b292198ffdd553b3a0f20ded0592b956955c8b4"
+  integrity sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=
   dependencies:
     bytes "3.0.0"
     content-type "~1.0.4"
@@ -419,17 +425,29 @@ body-parser@~1.18.2:
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
   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"
+  integrity sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=
+  dependencies:
+    expand-range "^1.8.1"
+    preserve "^0.2.0"
+    repeat-element "^1.1.2"
+
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
+  integrity sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg==
 
-buffer-alloc@^1.1.0:
+buffer-alloc@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/buffer-alloc/-/buffer-alloc-1.2.0.tgz#890dd90d923a873e08e10e5fd51a57e5b7cce0ec"
+  integrity sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==
   dependencies:
     buffer-alloc-unsafe "^1.1.0"
     buffer-fill "^1.0.0"
@@ -437,18 +455,17 @@ buffer-alloc@^1.1.0:
 buffer-crc32@~0.2.3:
   version "0.2.13"
   resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
+  integrity sha1-DTM+PwDqxQqhRUq9MO+MKl2ackI=
 
 buffer-fill@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
-
-buffer-from@^1.0.0, buffer-from@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.0.tgz#87fcaa3a298358e0ade6e442cfce840740d1ad04"
+  integrity sha1-+PeLdniYiO858gXNY39o5wISKyw=
 
 buffer@^3.0.1:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
+  integrity sha1-pyyTb3e5a/UvX357RnGAYoVR3vs=
   dependencies:
     base64-js "0.0.8"
     ieee754 "^1.1.4"
@@ -457,21 +474,12 @@ buffer@^3.0.1:
 bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
-
-camelcase@^1.0.2:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
-
-center-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
-  dependencies:
-    align-text "^0.1.3"
-    lazy-cache "^1.0.3"
+  integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
 
 chai@~4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.1.2.tgz#0f64584ba642f0f2ace2806279f4f06ca23ad73c"
+  integrity sha1-D2RYS6ZC8PKs4oBiefTwbKI61zw=
   dependencies:
     assertion-error "^1.0.1"
     check-error "^1.0.1"
@@ -483,6 +491,7 @@ chai@~4.1.2:
 chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -493,82 +502,97 @@ chalk@^1.1.3:
 charm@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/charm/-/charm-1.0.2.tgz#8add367153a6d9a581331052c4090991da995e35"
+  integrity sha1-it02cVOm2aWBMxBSxAkJkdqZXjU=
   dependencies:
     inherits "^2.0.1"
 
 check-error@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
-
-cliui@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
-  dependencies:
-    center-align "^0.1.1"
-    right-align "^0.1.1"
-    wordwrap "0.0.2"
+  integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
 command-exists@~1.2.6:
-  version "1.2.7"
-  resolved "https://registry.yarnpkg.com/command-exists/-/command-exists-1.2.7.tgz#16828f0c3ff2b0c58805861ef211b64fc15692a8"
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/command-exists/-/command-exists-1.2.8.tgz#715acefdd1223b9c9b37110a149c6392c2852291"
+  integrity sha512-PM54PkseWbiiD/mMsbvW351/u+dafwTJ0ye2qB60G1aGQP9j3xK2gmMDc+R34L3nDtx4qMCitXT75mkbkGJDLw==
+
+commander@~2.17.1:
+  version "2.17.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
+  integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
 
 commander@~2.8.1:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
+  integrity sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=
   dependencies:
     graceful-readlink ">= 1.0.0"
 
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
 content-disposition@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+  integrity sha1-DPaLud318r55YcOoUXjLhdunjLQ=
 
 content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+  integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
 
 cookie-signature@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+  integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
 
 cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
+  integrity sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=
 
 core-js@^2.4.0:
-  version "2.5.7"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.3.tgz#4b70938bdffdaf64931e66e2db158f0892289c49"
+  integrity sha512-l00tmFFZOBHtYhN4Cz7k32VM7vTn3rE2ANjQDxdEN6zmXZ/xq1jQuutnmHvMG1ZJ7xd72+TA5YpUK8wz3rWsfQ==
 
 core-js@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.3.0.tgz#fab83fbb0b2d8dc85fa636c4b9d34c75420c6d65"
+  integrity sha1-+rg/uwstjchfpjbEudNMdUIMbWU=
 
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+  integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
 debug@2.6.9, debug@^2.6.8:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0:
+debug@=3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+debug@^3.1.0:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
+  dependencies:
+    ms "^2.1.1"
 
 decompress-tar@^4.0.0, decompress-tar@^4.1.0, decompress-tar@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/decompress-tar/-/decompress-tar-4.1.1.tgz#718cbd3fcb16209716e70a26b84e7ba4592e5af1"
+  integrity sha512-JdJMaCrGpB5fESVyxwpCx4Jdj2AagLmv3y58Qy4GE6HMVjWz1FeVQk1Ct4Kye7PftcdOo/7U7UKzYBJgqnGeUQ==
   dependencies:
     file-type "^5.2.0"
     is-stream "^1.1.0"
@@ -577,6 +601,7 @@ decompress-tar@^4.0.0, decompress-tar@^4.1.0, decompress-tar@^4.1.1:
 decompress-tarbz2@^4.0.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/decompress-tarbz2/-/decompress-tarbz2-4.1.1.tgz#3082a5b880ea4043816349f378b56c516be1a39b"
+  integrity sha512-s88xLzf1r81ICXLAVQVzaN6ZmX4A6U4z2nMbOwobxkLoIIfjVMBg7TeguTUXkKeXni795B6y5rnvDw7rxhAq9A==
   dependencies:
     decompress-tar "^4.1.0"
     file-type "^6.1.0"
@@ -587,6 +612,7 @@ decompress-tarbz2@^4.0.0:
 decompress-targz@^4.0.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/decompress-targz/-/decompress-targz-4.1.1.tgz#c09bc35c4d11f3de09f2d2da53e9de23e7ce1eee"
+  integrity sha512-4z81Znfr6chWnRDNfFNqLwPvm4db3WuZkqV+UgXQzSngG3CEKdBkw5jrv3axjjL96glyiiKjsxJG3X6WBZwX3w==
   dependencies:
     decompress-tar "^4.1.1"
     file-type "^5.2.0"
@@ -595,6 +621,7 @@ decompress-targz@^4.0.0:
 decompress-unzip@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/decompress-unzip/-/decompress-unzip-4.0.1.tgz#deaaccdfd14aeaf85578f733ae8210f9b4848f69"
+  integrity sha1-3qrM39FK6vhVePczroIQ+bSEj2k=
   dependencies:
     file-type "^3.8.0"
     get-stream "^2.2.0"
@@ -604,6 +631,7 @@ decompress-unzip@^4.0.1:
 decompress@~4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/decompress/-/decompress-4.2.0.tgz#7aedd85427e5a92dacfe55674a7c505e96d01f9d"
+  integrity sha1-eu3YVCflqS2s/lVnSnxQXpbQH50=
   dependencies:
     decompress-tar "^4.0.0"
     decompress-tarbz2 "^4.0.0"
@@ -617,82 +645,113 @@ decompress@~4.2.0:
 deep-eql@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-3.0.1.tgz#dfc9404400ad1c8fe023e7da1df1c147c4b444df"
+  integrity sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==
   dependencies:
     type-detect "^4.0.0"
 
 default-require-extensions@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-1.0.0.tgz#f37ea15d3e13ffd9b437d33e1a75b5fb97874cb8"
+  integrity sha1-836hXT4T/9m0N9M+GnW1+5eHTLg=
   dependencies:
     strip-bom "^2.0.0"
 
-depd@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
-
-depd@~1.1.1, depd@~1.1.2:
+depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
 
 destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
 
 detect-indent@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
+  integrity sha1-920GQ1LN9Docts5hnE7jqUdd4gg=
   dependencies:
     repeating "^2.0.0"
 
-diff@^3.1.0, diff@~3.5.0:
+diff@~3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
+  integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
 
 dojo@2.0.0-alpha.7:
   version "2.0.0-alpha.7"
   resolved "https://registry.yarnpkg.com/dojo/-/dojo-2.0.0-alpha.7.tgz#c2b25d43d8f72ccc9c8fe89a34906a2d271e5c91"
+  integrity sha1-wrJdQ9j3LMycj+iaNJBqLSceXJE=
 
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 encodeurl@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
 end-of-stream@^1.0.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
+  integrity sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==
   dependencies:
     once "^1.4.0"
 
 es6-promise@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.0.2.tgz#010d5858423a5f118979665f46486a95c6ee2bb6"
+  integrity sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y=
 
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
 
 escape-string-regexp@^1.0.2:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+estree-walker@^0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.5.2.tgz#d3850be7529c9580d815600b53126515e146dd39"
+  integrity sha512-XpCnW/AE10ws/kDAs37cngSkvgIR8aN3G0MS85m7dUpuK2EREo9VJ00uvw6Dg/hXEpfsE1I1TvJOJr+Z+TL+ig==
 
 esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
+  integrity sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=
 
 etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+
+expand-brackets@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
+  integrity sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=
+  dependencies:
+    is-posix-bracket "^0.1.0"
+
+expand-range@^1.8.1:
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
+  integrity sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=
+  dependencies:
+    fill-range "^2.1.0"
 
 express@~4.16.3:
-  version "4.16.3"
-  resolved "https://registry.yarnpkg.com/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  version "4.16.4"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.16.4.tgz#fddef61926109e24c515ea97fd2f1bdbf62df12e"
+  integrity sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==
   dependencies:
     accepts "~1.3.5"
     array-flatten "1.1.1"
-    body-parser "1.18.2"
+    body-parser "1.18.3"
     content-disposition "0.5.2"
     content-type "~1.0.4"
     cookie "0.3.1"
@@ -709,10 +768,10 @@ express@~4.16.3:
     on-finished "~2.3.0"
     parseurl "~1.3.2"
     path-to-regexp "0.1.7"
-    proxy-addr "~2.0.3"
-    qs "6.5.1"
+    proxy-addr "~2.0.4"
+    qs "6.5.2"
     range-parser "~1.2.0"
-    safe-buffer "5.1.1"
+    safe-buffer "5.1.2"
     send "0.16.2"
     serve-static "1.13.2"
     setprototypeof "1.1.0"
@@ -721,27 +780,55 @@ express@~4.16.3:
     utils-merge "1.0.1"
     vary "~1.1.2"
 
+extglob@^0.3.1:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
+  integrity sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=
+  dependencies:
+    is-extglob "^1.0.0"
+
 fd-slicer@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
+  integrity sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=
   dependencies:
     pend "~1.2.0"
 
 file-type@^3.8.0:
   version "3.9.0"
   resolved "https://registry.yarnpkg.com/file-type/-/file-type-3.9.0.tgz#257a078384d1db8087bc449d107d52a52672b9e9"
+  integrity sha1-JXoHg4TR24CHvESdEH1SpSZyuek=
 
 file-type@^5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/file-type/-/file-type-5.2.0.tgz#2ddbea7c73ffe36368dfae49dc338c058c2b8ad6"
+  integrity sha1-LdvqfHP/42No365J3DOMBYwritY=
 
 file-type@^6.1.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/file-type/-/file-type-6.2.0.tgz#e50cd75d356ffed4e306dc4f5bcf52a79903a919"
+  integrity sha512-YPcTBDV+2Tm0VqjybVd32MHdlEGAtuxS3VAYsumFokDSMG+ROT5wawGlnHDoz7bfMcMDt9hxuXvXwoKUx2fkOg==
+
+filename-regex@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
+  integrity sha1-wcS5vuPglyXdsQa3XB4wH+LxiyY=
+
+fill-range@^2.1.0:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.4.tgz#eb1e773abb056dcd8df2bfdf6af59b8b3a936565"
+  integrity sha512-cnrcCbj01+j2gTG921VZPnHbjmdAf8oQV/iGeV2kZxGSyfYjjTyY79ErsK1WJWMpw6DaApEX72binqJE+/d+5Q==
+  dependencies:
+    is-number "^2.1.0"
+    isobject "^2.0.0"
+    randomatic "^3.0.0"
+    repeat-element "^1.1.2"
+    repeat-string "^1.5.2"
 
 finalhandler@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
+  integrity sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==
   dependencies:
     debug "2.6.9"
     encodeurl "~1.0.2"
@@ -751,36 +838,86 @@ finalhandler@1.1.1:
     statuses "~1.4.0"
     unpipe "~1.0.0"
 
+follow-redirects@^1.3.0:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.6.1.tgz#514973c44b5757368bad8bddfe52f81f015c94cb"
+  integrity sha512-t2JCjbzxQpWvbhts3l6SH1DKzSrx8a+SsaVf4h6bG4kOXUuPYS/kg2Lr4gQSb7eemaHqJkOThF1BGyjlUkO1GQ==
+  dependencies:
+    debug "=3.1.0"
+
+for-in@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+  integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
+
+for-own@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
+  integrity sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=
+  dependencies:
+    for-in "^1.0.1"
+
 forwarded@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+  integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
 
 fresh@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
 
 fs-constants@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
+  integrity sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==
+
+fs-extra@7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
+  integrity sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
 
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
 
 get-func-name@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
+  integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
 
 get-stream@^2.2.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
+  integrity sha1-Xzj5PzRgCWZu4BUKBUFn+Rvdld4=
   dependencies:
     object-assign "^4.0.1"
     pinkie-promise "^2.0.0"
 
-glob@^7.0.5, glob@~7.1.1:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+glob-base@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
+  integrity sha1-27Fk9iIbHAscz4Kuoyi0l98Oo8Q=
+  dependencies:
+    glob-parent "^2.0.0"
+    is-glob "^2.0.0"
+
+glob-parent@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-2.0.0.tgz#81383d72db054fcccf5336daa902f182f6edbb28"
+  integrity sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=
+  dependencies:
+    is-glob "^2.0.0"
+
+glob@^7.1.3, glob@~7.1.1:
+  version "7.1.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
+  integrity sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==
   dependencies:
     fs.realpath "^1.0.0"
     inflight "^1.0.4"
@@ -792,74 +929,72 @@ glob@^7.0.5, glob@~7.1.1:
 globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
+  integrity sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==
 
-graceful-fs@^4.1.10:
-  version "4.1.11"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+graceful-fs@^4.1.10, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
+  version "4.1.15"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
+  integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
 
 "graceful-readlink@>= 1.0.0":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
+  integrity sha1-TK+tdrxi8C+gObL5Tpo906ORpyU=
 
 handlebars@^4.0.3:
-  version "4.0.11"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
+  version "4.0.12"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.12.tgz#2c15c8a96d46da5e266700518ba8cb8d919d5bc5"
+  integrity sha512-RhmTekP+FZL+XNhwS1Wf+bTTZpdLougwt5pcgA1tuz6Jcx0fpH/7z0qd71RKnZHBCxIRBHfBOnio4gViPemNzA==
   dependencies:
-    async "^1.4.0"
+    async "^2.5.0"
     optimist "^0.6.1"
-    source-map "^0.4.4"
+    source-map "^0.6.1"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 has-ansi@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  integrity sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=
   dependencies:
     ansi-regex "^2.0.0"
 
 has-flag@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
-
-http-errors@1.6.2:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
-  dependencies:
-    depd "1.1.1"
-    inherits "2.0.3"
-    setprototypeof "1.0.3"
-    statuses ">= 1.3.1 < 2"
+  integrity sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=
 
 http-errors@1.6.3, http-errors@~1.6.2, http-errors@~1.6.3:
   version "1.6.3"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
   dependencies:
     depd "~1.1.2"
     inherits "2.0.3"
     setprototypeof "1.1.0"
     statuses ">= 1.4.0 < 2"
 
-iconv-lite@0.4.19:
-  version "0.4.19"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
-
 iconv-lite@0.4.23:
   version "0.4.23"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
+  integrity sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
 ieee754@^1.1.4:
   version "1.1.12"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.12.tgz#50bf24e5b9c8bb98af4964c941cdb0918da7b60b"
+  integrity sha512-GguP+DRY+pJ3soyIiGPTvdiVXjZ+DbXOxGpXn3eMvNW4x4irjqXm4wHKscC+TfxSJ0yw/S1F24tqdMNsMZTiLA==
 
 immediate@~3.0.5:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
+  integrity sha1-nbHb0Pr43m++D13V5Wu2BigN5ps=
 
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
   dependencies:
     once "^1.3.0"
     wrappy "1"
@@ -867,30 +1002,29 @@ inflight@^1.0.4:
 inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
-intern@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/intern/-/intern-4.2.2.tgz#cd95541a81c4340f088465071ed4a7810b7daf78"
+intern@^4.4.1:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/intern/-/intern-4.4.1.tgz#06d067d5b05af64c352586580d27b1c9181016ba"
+  integrity sha512-xZQjsjUhouaVahWFFu+hdVl/r644UotpYk62ty2wRiMYnQbN5hejunud1vD+qKqQRFiBjOWpOF0it/XSU6rQcA==
   dependencies:
-    "@dojo/core" "~0.5.0"
-    "@dojo/has" "~0.1.2"
-    "@dojo/interfaces" "~0.2.1"
-    "@dojo/shim" "~0.2.7"
-    "@theintern/digdug" "~2.1.0"
-    "@theintern/leadfoot" "~2.1.0"
+    "@theintern/common" "~0.1.3"
+    "@theintern/digdug" "~2.2.3"
+    "@theintern/leadfoot" "~2.2.5"
     "@types/benchmark" "~1.0.30"
-    "@types/chai" "~4.1.2"
+    "@types/chai" "~4.1.4"
     "@types/charm" "~1.0.0"
     "@types/diff" "~3.5.1"
     "@types/express" "~4.11.1"
     "@types/http-errors" "~1.6.1"
     "@types/istanbul-lib-coverage" "~1.1.0"
     "@types/istanbul-lib-hook" "~1.0.0"
-    "@types/istanbul-lib-instrument" "~1.7.1"
+    "@types/istanbul-lib-instrument" "~1.7.2"
     "@types/istanbul-lib-report" "~1.1.0"
     "@types/istanbul-lib-source-maps" "~1.2.1"
     "@types/istanbul-reports" "~1.1.0"
-    "@types/lodash" "~4.14.107"
+    "@types/lodash" "~4.14.112"
     "@types/mime-types" "~2.1.0"
     "@types/platform" "~1.3.0"
     "@types/resolve" "0.0.7"
@@ -898,142 +1032,223 @@ intern@^4.2.2:
     "@types/statuses" "~1.3.0"
     "@types/ws" "~4.0.2"
     benchmark "~2.1.4"
-    body-parser "~1.18.2"
+    body-parser "~1.18.3"
     chai "~4.1.2"
     charm "~1.0.2"
     diff "~3.5.0"
     express "~4.16.3"
     glob "~7.1.1"
     http-errors "~1.6.3"
-    istanbul-lib-coverage "~1.2.0"
-    istanbul-lib-hook "~1.1.0"
-    istanbul-lib-instrument "~1.10.0"
-    istanbul-lib-report "~1.1.3"
-    istanbul-lib-source-maps "~1.2.4"
-    istanbul-reports "~1.3.0"
-    lodash "~4.17.5"
-    mime-types "~2.1.18"
+    istanbul-lib-coverage "~1.2.1"
+    istanbul-lib-hook "~1.2.2"
+    istanbul-lib-instrument "~1.10.2"
+    istanbul-lib-report "~1.1.5"
+    istanbul-lib-source-maps "~1.2.6"
+    istanbul-reports "~1.5.1"
+    lodash "~4.17.10"
+    mime-types "~2.1.19"
     minimatch "~3.0.4"
     platform "~1.3.5"
     resolve "~1.7.1"
     shell-quote "~1.6.1"
     source-map "~0.6.1"
     statuses "~1.5.0"
-    tslib "~1.9.0"
+    tslib "~1.9.3"
     ws "~5.1.1"
 
-intersection-observer@0.4.2:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/intersection-observer/-/intersection-observer-0.4.2.tgz#24100ed620baf6a427072996d4d73366e9ec93ef"
-
 invariant@^2.2.2:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
   dependencies:
     loose-envify "^1.0.0"
 
-ipaddr.js@1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.6.0.tgz#e3fa357b773da619f26e95f049d055c72796f86b"
+ipaddr.js@1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.0.tgz#eaa33d6ddd7ace8f7f6fe0c9ca0440e706738b1e"
+  integrity sha1-6qM9bd16zo9/b+DJygRA5wZzix4=
 
 is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
+
+is-dotfile@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
+  integrity sha1-pqLzL/0t+wT1yiXs0Pa4PPeYoeE=
+
+is-equal-shallow@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz#2238098fc221de0bcfa5d9eac4c45d638aa1c534"
+  integrity sha1-IjgJj8Ih3gvPpdnqxMRdY4qhxTQ=
+  dependencies:
+    is-primitive "^2.0.0"
+
+is-extendable@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
+  integrity sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=
+
+is-extglob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
+  integrity sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=
 
 is-finite@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
+  integrity sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=
   dependencies:
     number-is-nan "^1.0.0"
 
+is-glob@^2.0.0, is-glob@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
+  integrity sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=
+  dependencies:
+    is-extglob "^1.0.0"
+
 is-natural-number@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
+  integrity sha1-q5124dtM7VHjXeDHLr7PCfc0zeg=
+
+is-number@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
+  integrity sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
+
+is-posix-bracket@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
+  integrity sha1-MzTceXdDaOkvAW5vvAqI9c1ua8Q=
+
+is-primitive@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
+  integrity sha1-IHurkWOEmcB7Kt8kCkGochADRXU=
 
 is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+  integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
 
 is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+  integrity sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=
 
-isarray@^1.0.0, isarray@~1.0.0:
+isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
 
-istanbul-lib-coverage@^1.1.2, istanbul-lib-coverage@^1.2.0, istanbul-lib-coverage@~1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.2.0.tgz#f7d8f2e42b97e37fe796114cb0f9d68b5e3a4341"
+isobject@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
+  integrity sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=
+  dependencies:
+    isarray "1.0.0"
 
-istanbul-lib-hook@~1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.1.0.tgz#8538d970372cb3716d53e55523dd54b557a8d89b"
+istanbul-lib-coverage@^1.2.1, istanbul-lib-coverage@~1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.2.1.tgz#ccf7edcd0a0bb9b8f729feeb0930470f9af664f0"
+  integrity sha512-PzITeunAgyGbtY1ibVIUiV679EFChHjoMNRibEIobvmrCRaIgwLxNucOSimtNWUhEib/oO7QY2imD75JVgCJWQ==
+
+istanbul-lib-hook@~1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.2.2.tgz#bc6bf07f12a641fbf1c85391d0daa8f0aea6bf86"
+  integrity sha512-/Jmq7Y1VeHnZEQ3TL10VHyb564mn6VrQXHchON9Jf/AEcmQ3ZIiyD1BVzNOKTZf/G3gE+kiGK6SmpF9y3qGPLw==
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@~1.10.0:
-  version "1.10.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.10.1.tgz#724b4b6caceba8692d3f1f9d0727e279c401af7b"
+istanbul-lib-instrument@~1.10.2:
+  version "1.10.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.10.2.tgz#1f55ed10ac3c47f2bdddd5307935126754d0a9ca"
+  integrity sha512-aWHxfxDqvh/ZlxR8BBaEPVSWDPUkGD63VjGQn3jcw8jCp7sHEMKcrj4xfJn/ABzdMEHiQNyvDQhqm5o8+SQg7A==
   dependencies:
     babel-generator "^6.18.0"
     babel-template "^6.16.0"
     babel-traverse "^6.18.0"
     babel-types "^6.18.0"
     babylon "^6.18.0"
-    istanbul-lib-coverage "^1.2.0"
+    istanbul-lib-coverage "^1.2.1"
     semver "^5.3.0"
 
-istanbul-lib-report@~1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.3.tgz#2df12188c0fa77990c0d2176d2d0ba3394188259"
+istanbul-lib-report@~1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.1.5.tgz#f2a657fc6282f96170aaf281eb30a458f7f4170c"
+  integrity sha512-UsYfRMoi6QO/doUshYNqcKJqVmFe9w51GZz8BS3WB0lYxAllQYklka2wP9+dGZeHYaWIdcXUx8JGdbqaoXRXzw==
   dependencies:
-    istanbul-lib-coverage "^1.1.2"
+    istanbul-lib-coverage "^1.2.1"
     mkdirp "^0.5.1"
     path-parse "^1.0.5"
     supports-color "^3.1.2"
 
-istanbul-lib-source-maps@~1.2.4:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.5.tgz#ffe6be4e7ab86d3603e4290d54990b14506fc9b1"
+istanbul-lib-source-maps@~1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.6.tgz#37b9ff661580f8fca11232752ee42e08c6675d8f"
+  integrity sha512-TtbsY5GIHgbMsMiRw35YBHGpZ1DVFEO19vxxeiDMYaeOFOCzfnYVxvl6pOUIZR4dtPhAGpSMup8OyF8ubsaqEg==
   dependencies:
     debug "^3.1.0"
-    istanbul-lib-coverage "^1.2.0"
+    istanbul-lib-coverage "^1.2.1"
     mkdirp "^0.5.1"
     rimraf "^2.6.1"
     source-map "^0.5.3"
 
-istanbul-reports@~1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.3.0.tgz#2f322e81e1d9520767597dca3c20a0cce89a3554"
+istanbul-reports@~1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.5.1.tgz#97e4dbf3b515e8c484caea15d6524eebd3ff4e1a"
+  integrity sha512-+cfoZ0UXzWjhAdzosCPP3AN8vvef8XDkWtTfgaN+7L3YTpNYITnCaEkceo5SEYy644VkHka/P1FvkWvrG/rrJw==
   dependencies:
     handlebars "^4.0.3"
 
 "js-tokens@^3.0.0 || ^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
 js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+  integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
 
 jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
+  integrity sha1-RsP+yMGJKxKwgz25vHYiF226s0s=
+
+jsonfile@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
+  integrity sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=
+  optionalDependencies:
+    graceful-fs "^4.1.6"
 
 jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+  integrity sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=
 
 jszip@2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/jszip/-/jszip-2.5.0.tgz#7444fd8551ddf3e5da7198fea0c91bc8308cc274"
+  integrity sha1-dET9hVHd8+XacZj+oMkbyDCMwnQ=
   dependencies:
     pako "~0.2.5"
 
-jszip@~3.1.3:
+jszip@~3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.1.5.tgz#e3c2a6c6d706ac6e603314036d43cd40beefdf37"
+  integrity sha512-5W8NUaFRFRqTOL7ZDDrx5qWHJyBXy6velVudIzQUSoqAAYqzSh2Z7/m0Rf1QbmQJccegD0r+YZxBjzqoBiEeJQ==
   dependencies:
     core-js "~2.3.0"
     es6-promise "~3.0.2"
@@ -1044,16 +1259,19 @@ jszip@~3.1.3:
 kind-of@^3.0.2:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  integrity sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=
   dependencies:
     is-buffer "^1.1.5"
 
-lazy-cache@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
+kind-of@^6.0.0:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
+  integrity sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==
 
 leadfoot@^1.7.6:
   version "1.7.6"
   resolved "https://registry.yarnpkg.com/leadfoot/-/leadfoot-1.7.6.tgz#58577b7ef2cb76cd5a365ff6851af7c9b84e5e9f"
+  integrity sha512-rZZ7xzu9lAD3NfrWuJk28uiL8Z8bNgWGkDoiUABO9Xl2pbaK3rwax5gLcrHmcAU/Y6sams/VogmoOIPUkB69rA==
   dependencies:
     dojo "2.0.0-alpha.7"
     jszip "2.5.0"
@@ -1061,114 +1279,167 @@ leadfoot@^1.7.6:
 lie@~3.1.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/lie/-/lie-3.1.1.tgz#9a436b2cc7746ca59de7a41fa469b3efb76bd87e"
+  integrity sha1-mkNrLMd0bKWd56QfpGmz77dr2H4=
   dependencies:
     immediate "~3.0.5"
 
-lodash@^4.17.4, lodash@~4.17.5:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
-
-longest@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
+lodash@^4.17.10, lodash@^4.17.4, lodash@~4.17.10:
+  version "4.17.11"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
 loose-envify@^1.0.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
+  integrity sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==
   dependencies:
     js-tokens "^3.0.0 || ^4.0.0"
 
 make-dir@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
+  integrity sha512-2w31R7SJtieJJnQtGc7RVL2StM2vGYVfqUOvUDxH6bC6aJTxPxTF0GnIgCyu7tjockiUWAYQRbxa7vKn34s5sQ==
   dependencies:
     pify "^3.0.0"
 
-make-error@^1.1.1:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.4.tgz#19978ed575f9e9545d2ff8c13e33b5d18a67d535"
+math-random@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
+  integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
 
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
 
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+  integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
 
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+  integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
+
+micromatch@^2.3.11:
+  version "2.3.11"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
+  integrity sha1-hmd8l9FyCzY0MdBNDRUpO9OMFWU=
+  dependencies:
+    arr-diff "^2.0.0"
+    array-unique "^0.2.1"
+    braces "^1.8.2"
+    expand-brackets "^0.1.4"
+    extglob "^0.3.1"
+    filename-regex "^2.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.1"
+    kind-of "^3.0.2"
+    normalize-path "^2.0.1"
+    object.omit "^2.0.0"
+    parse-glob "^3.0.4"
+    regex-cache "^0.4.2"
 
-mime-db@~1.33.0:
-  version "1.33.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.33.0.tgz#a3492050a5cb9b63450541e39d9788d2272783db"
+mime-db@~1.37.0:
+  version "1.37.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.37.0.tgz#0b6a0ce6fdbe9576e25f1f2d2fde8830dc0ad0d8"
+  integrity sha512-R3C4db6bgQhlIhPU48fUtdVmKnflq+hRdad7IyKhtFj06VPNVdk2RhiYL3UjQIlso8L+YxAtFkobT0VK+S/ybg==
 
-mime-types@~2.1.18:
-  version "2.1.18"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.18.tgz#6f323f60a83d11146f831ff11fd66e2fe5503bb8"
+mime-types@~2.1.18, mime-types@~2.1.19:
+  version "2.1.21"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.21.tgz#28995aa1ecb770742fe6ae7e58f9181c744b3f96"
+  integrity sha512-3iL6DbwpyLzjR3xHSFNFeb9Nz/M8WDkX33t1GFQnFOllWk8pOrh/LSrB5OXlnlW5P9LH73X6loW/eogc+F5lJg==
   dependencies:
-    mime-db "~1.33.0"
+    mime-db "~1.37.0"
 
 mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
+  integrity sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==
 
 minimatch@^3.0.4, minimatch@~3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
   dependencies:
     brace-expansion "^1.1.7"
 
 minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
-
-minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
 minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
 mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
   dependencies:
     minimist "0.0.8"
 
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+ms@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
 negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+  integrity sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
+
+normalize-path@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  integrity sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=
+  dependencies:
+    remove-trailing-separator "^1.0.1"
 
 number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+  integrity sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=
 
 object-assign@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
+
+object.omit@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
+  integrity sha1-Gpx0SCnznbuFjHbKNXmuKlTr0fo=
+  dependencies:
+    for-own "^0.1.4"
+    is-extendable "^0.1.1"
 
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
   dependencies:
     ee-first "1.1.1"
 
 once@^1.3.0, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
   dependencies:
     wrappy "1"
 
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  integrity sha1-2j6nRob6IaGaERwybpDrFaAZZoY=
   dependencies:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
@@ -1176,100 +1447,126 @@ optimist@^0.6.1:
 pako@~0.2.5:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
+  integrity sha1-8/dSL073gjSNqBYbrZ7P1Rv4OnU=
 
 pako@~1.0.2:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.6.tgz#0101211baa70c4bca4a0f63f2206e97b7dfaf258"
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.8.tgz#6844890aab9c635af868ad5fecc62e8acbba3ea4"
+  integrity sha512-6i0HVbUfcKaTv+EG8ZTr75az7GFXcLYk9UyLEg7Notv/Ma+z/UG3TCoz6GiNeOrn1E/e63I0X/Hpw18jHOTUnA==
+
+parse-glob@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
+  integrity sha1-ssN2z7EfNVE7rdFz7wu246OIORw=
+  dependencies:
+    glob-base "^0.3.0"
+    is-dotfile "^1.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.0"
 
 parseurl@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
+  integrity sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=
 
 path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
 
 path-parse@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
 
 path-to-regexp@0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+  integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
 
 pathval@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
+  integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
 
 pend@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
-
-pepjs@0.4.2:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/pepjs/-/pepjs-0.4.2.tgz#13264eea894984ff423c83e40d2fa4e1dec1c9fa"
+  integrity sha1-elfrVQpng/kRUzH89GY9XI4AelA=
 
 pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+  integrity sha1-7RQaasBDqEnqWISY59yosVMw6Qw=
 
 pify@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
+  integrity sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=
 
 pinkie-promise@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  integrity sha1-ITXW36ejWMBprJsXh3YogihFD/o=
   dependencies:
     pinkie "^2.0.0"
 
 pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+  integrity sha1-clVrgM+g1IqXToDnckjoDtT3+HA=
 
 platform@^1.3.3, platform@~1.3.5:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/platform/-/platform-1.3.5.tgz#fb6958c696e07e2918d2eeda0f0bc9448d733444"
+  integrity sha512-TuvHS8AOIZNAlE77WUDiR4rySV/VMptyMfcfeoMgs4P8apaZM3JrnbzBiixKUv+XR6i+BXrQh8WAnjaSPFO65Q==
+
+preserve@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
+  integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
 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"
+  integrity sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=
 
 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"
+  integrity sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==
 
-proxy-addr@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.3.tgz#355f262505a621646b3130a728eb647e22055341"
+proxy-addr@~2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.4.tgz#ecfc733bf22ff8c6f407fa275327b9ab67e48b93"
+  integrity sha512-5erio2h9jp5CHGwcybmxmVqHmnCBZeewlfJ0pex+UW7Qny7OOZXTtH56TGNyBizkgiOwhJtMKrVzDTeKcySZwA==
   dependencies:
     forwarded "~0.1.2"
-    ipaddr.js "1.6.0"
-
-qs@6.5.1:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
+    ipaddr.js "1.8.0"
 
 qs@6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
+  integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
+
+randomatic@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-3.1.1.tgz#b776efc59375984e36c537b2f51a1f0aff0da1ed"
+  integrity sha512-TuDE5KxZ0J461RVjrJZCJc+J+zCkTb1MbH9AQUq68sMhOMcy9jLcb3BrZKgp9q9Ncltdg4QVqWrH02W2EFFVYw==
+  dependencies:
+    is-number "^4.0.0"
+    kind-of "^6.0.0"
+    math-random "^1.0.1"
 
 range-parser@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
-
-raw-body@2.3.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.2.tgz#bcd60c77d3eb93cde0050295c3f379389bc88f89"
-  dependencies:
-    bytes "3.0.0"
-    http-errors "1.6.2"
-    iconv-lite "0.4.19"
-    unpipe "1.0.0"
+  integrity sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
 
 raw-body@2.3.3:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.3.tgz#1b324ece6b5706e153855bc1148c65bb7f6ea0c3"
+  integrity sha512-9esiElv1BrZoI3rCDuOuKCBRbuApGGaDPQfjSflGxdy4oyzqghxu6klEkkVIvBje+FF0BX9coEv8KqW6X/7njw==
   dependencies:
     bytes "3.0.0"
     http-errors "1.6.3"
@@ -1279,6 +1576,7 @@ raw-body@2.3.3:
 readable-stream@^2.3.0, readable-stream@^2.3.5:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
@@ -1291,6 +1589,7 @@ readable-stream@^2.3.0, readable-stream@^2.3.5:
 readable-stream@~2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+  integrity sha1-j5A0HmilPMySh4jaz80Rs265t44=
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
@@ -1302,60 +1601,116 @@ readable-stream@~2.0.6:
 regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+
+regex-cache@^0.4.2:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
+  integrity sha512-nVIZwtCjkC9YgvWkpM55B5rBhBYRZhAaJbgcFYXXsHnbZ9UZI9nnVWYZpBlCqv9ho2eZryPnWrZGsOdPwVWXWQ==
+  dependencies:
+    is-equal-shallow "^0.1.3"
+
+remove-trailing-separator@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
+  integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
+
+repeat-element@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
+  integrity sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==
 
 repeat-string@^1.5.2:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+  integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
 
 repeating@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  integrity sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=
   dependencies:
     is-finite "^1.0.0"
 
+resolve@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.8.1.tgz#82f1ec19a423ac1fbd080b0bab06ba36e84a7a26"
+  integrity sha512-AicPrAC7Qu1JxPCZ9ZgCZlY35QgFnNqc+0LtbRNxnVw4TXvjQ72wnuL9JQcEBgXkI9JM8MsT9kaQoHcpCRJOYA==
+  dependencies:
+    path-parse "^1.0.5"
+
 resolve@~1.7.1:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.7.1.tgz#aadd656374fd298aee895bc026b8297418677fd3"
+  integrity sha512-c7rwLofp8g1U+h1KNyHL/jicrKg1Ek4q+Lr33AL65uZTinUZHe30D5HlyN5V9NW0JX1D5dXQ4jqW5l7Sy/kGfw==
   dependencies:
     path-parse "^1.0.5"
 
-right-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
+rimraf@^2.6.1:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
+  integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
   dependencies:
-    align-text "^0.1.1"
+    glob "^7.1.3"
 
-rimraf@^2.6.1:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+rollup-plugin-typescript2@^0.19.2:
+  version "0.19.2"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-typescript2/-/rollup-plugin-typescript2-0.19.2.tgz#87d9c799cd6e02efbedbba25af12753a1e92b6c2"
+  integrity sha512-DRG7SaYX0QzBIz6rII5nm1UkiceS95r8mJjujugybyIueNF3auvzGTHMK62O7As/0q5RHjXsOguWOUv+KJKLFA==
   dependencies:
-    glob "^7.0.5"
+    fs-extra "7.0.1"
+    resolve "1.8.1"
+    rollup-pluginutils "2.3.3"
+    tslib "1.9.3"
 
-safe-buffer@5.1.1:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
+rollup-pluginutils@2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.3.3.tgz#3aad9b1eb3e7fe8262820818840bf091e5ae6794"
+  integrity sha512-2XZwja7b6P5q4RZ5FhyX1+f46xi1Z3qBKigLRZ6VTZjwbN0K1IFGMlwm06Uu0Emcre2Z63l77nq/pzn+KxIEoA==
+  dependencies:
+    estree-walker "^0.5.2"
+    micromatch "^2.3.11"
 
-safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+rollup@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.1.2.tgz#8d094b85683b810d0c05a16bd7618cf70d48eba7"
+  integrity sha512-OkdMxqMl8pWoQc5D8y1cIinYQPPLV8ZkfLgCzL6SytXeNA2P7UHynEQXI9tYxuAjAMsSyvRaWnyJDLHMxq0XAg==
+  dependencies:
+    "@types/estree" "0.0.39"
+    "@types/node" "*"
+    acorn "^6.0.5"
+
+safe-buffer@5.1.2, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
 "safer-buffer@>= 2.1.2 < 3":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
 seek-bzip@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
+  integrity sha1-z+kXyz0nS8/6x5J1ivUxc+sfq9w=
   dependencies:
     commander "~2.8.1"
 
-semver@^5.3.0, semver@~5.5.0:
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
+semver@^5.3.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
+  integrity sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==
+
+semver@~5.5.0:
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
+  integrity sha512-PqpAxfrEhlSUWge8dwIp4tZnQ25DIOthpiaHNIthsjEFQD6EvqUKUDM7L8O2rShkFccYo1VjJR0coWfNkCubRw==
 
 send@0.16.2:
   version "0.16.2"
   resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
+  integrity sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==
   dependencies:
     debug "2.6.9"
     depd "~1.1.2"
@@ -1374,242 +1729,216 @@ send@0.16.2:
 serve-static@1.13.2:
   version "1.13.2"
   resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.2.tgz#095e8472fd5b46237db50ce486a43f4b86c6cec1"
+  integrity sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==
   dependencies:
     encodeurl "~1.0.2"
     escape-html "~1.0.3"
     parseurl "~1.3.2"
     send "0.16.2"
 
-setprototypeof@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.3.tgz#66567e37043eeb4f04d91bd658c0cbefb55b8e04"
-
 setprototypeof@1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+  integrity sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==
 
 shell-quote@~1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
+  integrity sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=
   dependencies:
     array-filter "~0.0.0"
     array-map "~0.0.0"
     array-reduce "~0.0.0"
     jsonify "~0.0.0"
 
-source-map-support@^0.5.6:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.6.tgz#4435cee46b1aab62b8e8610ce60f788091c51c13"
-  dependencies:
-    buffer-from "^1.0.0"
-    source-map "^0.6.0"
-
-source-map@^0.4.4:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
-  dependencies:
-    amdefine ">=0.0.4"
-
-source-map@^0.5.3, source-map@^0.5.7, source-map@~0.5.1:
+source-map@^0.5.3, source-map@^0.5.7:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
-source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
+source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
-"statuses@>= 1.3.1 < 2", "statuses@>= 1.4.0 < 2", statuses@~1.5.0:
+"statuses@>= 1.4.0 < 2", statuses@~1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
 
 statuses@~1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+  integrity sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==
 
 string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+  integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
 
 string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
   dependencies:
     safe-buffer "~5.1.0"
 
 strip-ansi@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  integrity sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=
   dependencies:
     ansi-regex "^2.0.0"
 
 strip-bom@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  integrity sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=
   dependencies:
     is-utf8 "^0.2.0"
 
 strip-dirs@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/strip-dirs/-/strip-dirs-2.1.0.tgz#4987736264fc344cf20f6c34aca9d13d1d4ed6c5"
+  integrity sha512-JOCxOeKLm2CAS73y/U4ZeZPTkE+gNVCzKt7Eox84Iej1LT/2pTWYpZKJuxwQpvX1LiZb1xokNR7RLfuBAa7T3g==
   dependencies:
     is-natural-number "^4.0.1"
 
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+  integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
 
 supports-color@^3.1.2:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
+  integrity sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=
   dependencies:
     has-flag "^1.0.0"
 
 tar-stream@^1.5.2:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.1.tgz#f84ef1696269d6223ca48f6e1eeede3f7e81f395"
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.2.tgz#8ea55dab37972253d9a9af90fdcd559ae435c555"
+  integrity sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==
   dependencies:
     bl "^1.0.0"
-    buffer-alloc "^1.1.0"
+    buffer-alloc "^1.2.0"
     end-of-stream "^1.0.0"
     fs-constants "^1.0.0"
     readable-stream "^2.3.0"
-    to-buffer "^1.1.0"
+    to-buffer "^1.1.1"
     xtend "^4.0.0"
 
 through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
 
-to-buffer@^1.1.0:
+to-buffer@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
+  integrity sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==
 
 to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
+  integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
 
 trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
+  integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
 
-ts-node@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-7.0.0.tgz#a94a13c75e5e1aa6b82814b84c68deb339ba7bff"
-  dependencies:
-    arrify "^1.0.0"
-    buffer-from "^1.1.0"
-    diff "^3.1.0"
-    make-error "^1.1.1"
-    minimist "^1.2.0"
-    mkdirp "^0.5.1"
-    source-map-support "^0.5.6"
-    yn "^2.0.0"
-
-tslib@~1.8.0, tslib@~1.8.1:
-  version "1.8.1"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.8.1.tgz#6946af2d1d651a7b1863b531d6e5afa41aa44eac"
-
-tslib@~1.9.0:
+tslib@1.9.3, tslib@~1.9.3:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
+  integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
 type-detect@^4.0.0:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
+  integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
 
-type-is@~1.6.15, type-is@~1.6.16:
+type-is@~1.6.16:
   version "1.6.16"
   resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.16.tgz#f89ce341541c672b25ee7ae3c73dee3b2be50194"
+  integrity sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==
   dependencies:
     media-typer "0.3.0"
     mime-types "~2.1.18"
 
-typescript@^2.9.2:
-  version "2.9.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
+typescript@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.1.tgz#6de14e1db4b8a006ac535e482c8ba018c55f750b"
+  integrity sha512-cTmIDFW7O0IHbn1DPYjkiebHxwtCMU+eTy30ZtJNBPF9j2O1ITu5XH2YnBeVRKWHqF+3JQwWJv0Q0aUgX8W7IA==
 
-uglify-js@^2.6:
-  version "2.8.29"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
+uglify-js@^3.1.4:
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
+  integrity sha512-8CJsbKOtEbnJsTyv6LE6m6ZKniqMiFWmm9sRbopbkGs3gMPPfd3Fh8iIA4Ykv5MgaTbqHr4BaoGLJLZNhsrW1Q==
   dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
-
-uglify-to-browserify@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
+    commander "~2.17.1"
+    source-map "~0.6.1"
 
 unbzip2-stream@^1.0.9:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.2.5.tgz#73a033a567bbbde59654b193c44d48a7e4f43c47"
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.3.2.tgz#73830dd96e68d1ad8a8e1510585f6c7eeb7cf0d3"
+  integrity sha512-l71qM60cLs5GjR4uJsACOADWuttjtGNLcQdOj6FxSkxhovPiX2+pm+mERrYjkYqAx9EZoQh3LD61oSYx0tycww==
   dependencies:
     buffer "^3.0.1"
     through "^2.3.6"
 
+universalify@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
+  integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
 
 util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
 
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
 
 vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
-
-web-animations-js@2.3.1:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/web-animations-js/-/web-animations-js-2.3.1.tgz#3a6d9bc15196377a90f8e2803fa5262165b04510"
-
-window-size@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
-
-wordwrap@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
 
 wordwrap@~0.0.2:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+  integrity sha1-o9XabNXAvAAI03I0u68b7WMFkQc=
 
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
 ws@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/ws/-/ws-5.1.1.tgz#1d43704689711ac1942fd2f283e38f825c4b8b95"
+  integrity sha512-bOusvpCb09TOBLbpMKszd45WKC2KPtxiyiHanv+H2DE3Az+1db5a/L7sVJZVDPUC1Br8f0SKRr1KjLpD1U/IAw==
   dependencies:
     async-limiter "~1.0.0"
 
 xtend@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
-
-yargs@~3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
-  dependencies:
-    camelcase "^1.0.2"
-    cliui "^2.1.0"
-    decamelize "^1.0.0"
-    window-size "0.1.0"
+  integrity sha1-pcbVMr5lbiPbgg77lDofBJmNY68=
 
 yauzl@^2.4.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"
+  integrity sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=
   dependencies:
     buffer-crc32 "~0.2.3"
     fd-slicer "~1.1.0"
-
-yn@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/yn/-/yn-2.0.0.tgz#e5adabc8acf408f6385fc76495684c88e6af689a"