From c96139af71e6f7c36e25bccea6b05ccd9523531a Mon Sep 17 00:00:00 2001
From: Richard Macklin <richard.github@nrm.com>
Date: Sat, 20 Jan 2018 23:33:32 -0800
Subject: [PATCH] Convert ActionCable javascript to ES2015 modules with modern
 build environment

We've replaced the sprockets `//= require` directives with ES2015
imports. As a result, the ActionCable javascript can now be compiled
with rollup (like ActiveStorage already is).

- Rename action_cable/index.js.erb -> action_cable/index.js

- Add rake task to generate a javascript module of the ActionCable::INTERNAL ruby hash

  This will allow us to get rid of ERB from the actioncable javascript,
  since it is only used to interpolate ActionCable::INTERNAL.to_json.

- Import INTERNAL directly in ActionCable Connection module

  This is necessary to remove a load-order dependency conflict in the
  rollup-compiled build. Using ActionCable.INTERNAL would result in a
  runtime error:
  ```
  TypeError: Cannot read property 'INTERNAL' of undefined
  ```
  because ActionCable.INTERNAL is not set before the Connection module
  is executed.

  All other ActionCable.* references are executed inside of the body of a
  function, so there is no load-order dependency there.

- Add eslint and eslint-plugin-import devDependencies to actioncable

  These will be used to add a linting setup to actioncable like the one
  in activestorage.

- Add .eslintrc to actioncable

  This lint configuration was copied from activestorage

- Add lint script to actioncable

  This is the same as the lint script in activestorage

- Add babel-core, babel-plugin-external-helpers, and babel-preset-env devDependencies to actioncable

  These will be used to add ES2015 transpilation support to actioncable
  like we have in activestorage.

- Add .babelrc to actioncable

  This configuration was copied from activestorage

- Enable loose mode in ActionCable's babel config

  This generates a smaller bundle when compiled

- Add rollup devDependencies to actioncable

  These will be used to add a modern build pipeline to actioncable like
  the one in activestorage.

- Add rollup config to actioncable

  This is essentially the same as the rollup config from activestorage

- Add prebuild and build scripts to actioncable package

  These scripts were copied from activestorage

- Invoke code generation task as part of actioncable's prebuild script

  This will guarantee that the action_cable/internal.js module is
  available at build time (which is important, because two other modules
  now depend on it).

- Update actioncable package to reference the rollup-compiled files

  Now that we have a fully functional rollup pipeline in actioncable, we
  can use the compiled output in our npm package.

- Remove build section from ActionCable blade config

  Now that rollup is responsible for building ActionCable, we can remove
  that responsibility from Blade.

- Remove assets:compile and assets:verify tasks from ActionCable

  Now that we've added a compiled ActionCable bundle to version control,
  we don't need to compile and verify it at publish-time.

  (We're following the pattern set in ActiveStorage.)

- Include compiled ActionCable javascript bundle in published gem

  This is necessary to maintain support for depending on the ActionCable
  javascript through the Sprockets asset pipeline.

- Add compiled ActionCable bundle to version control

  This mirrors what we do in ActiveStorage, and allows ActionCable to
  continue to be consumed via the sprockets-based asset pipeline when
  using a git source instead of a published version of the gem.
---
 actioncable/.babelrc                          |    8 +
 actioncable/.eslintrc                         |   19 +
 actioncable/.gitignore                        |    1 +
 actioncable/Rakefile                          |   43 +-
 actioncable/actioncable.gemspec               |    2 +-
 .../app/assets/javascripts/action_cable.js    |  475 ++++
 .../app/javascript/action_cable/connection.js |  290 ++-
 .../action_cable/connection_monitor.js        |  200 +-
 .../app/javascript/action_cable/consumer.js   |    7 +-
 .../action_cable/{index.js.erb => index.js}   |   20 +-
 .../javascript/action_cable/subscription.js   |   59 +-
 .../javascript/action_cable/subscriptions.js  |    5 +-
 actioncable/blade.yml                         |    6 -
 actioncable/package.json                      |   23 +-
 actioncable/rollup.config.js                  |   28 +
 actioncable/yarn.lock                         | 1928 +++++++++++++++++
 16 files changed, 2780 insertions(+), 334 deletions(-)
 create mode 100644 actioncable/.babelrc
 create mode 100644 actioncable/.eslintrc
 create mode 100644 actioncable/app/assets/javascripts/action_cable.js
 rename actioncable/app/javascript/action_cable/{index.js.erb => index.js} (71%)
 create mode 100644 actioncable/rollup.config.js
 create mode 100644 actioncable/yarn.lock

diff --git a/actioncable/.babelrc b/actioncable/.babelrc
new file mode 100644
index 0000000000..4f0c469c60
--- /dev/null
+++ b/actioncable/.babelrc
@@ -0,0 +1,8 @@
+{
+  "presets": [
+    ["env", { "modules": false, "loose": true } ]
+  ],
+  "plugins": [
+    "external-helpers"
+  ]
+}
diff --git a/actioncable/.eslintrc b/actioncable/.eslintrc
new file mode 100644
index 0000000000..3d9ecd4bce
--- /dev/null
+++ b/actioncable/.eslintrc
@@ -0,0 +1,19 @@
+{
+  "extends": "eslint:recommended",
+  "rules": {
+    "semi": ["error", "never"],
+    "quotes": ["error", "double"],
+    "no-unused-vars": ["error", { "vars": "all", "args": "none" }]
+  },
+  "plugins": [
+    "import"
+  ],
+  "env": {
+    "browser": true,
+    "es6": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module"
+  }
+}
diff --git a/actioncable/.gitignore b/actioncable/.gitignore
index f514e58c16..5d5c867f2d 100644
--- a/actioncable/.gitignore
+++ b/actioncable/.gitignore
@@ -1,2 +1,3 @@
+/app/javascript/action_cable/internal.js
 /lib/assets/compiled/
 /tmp/
diff --git a/actioncable/Rakefile b/actioncable/Rakefile
index fb75d14363..52c86eb5d7 100644
--- a/actioncable/Rakefile
+++ b/actioncable/Rakefile
@@ -7,7 +7,7 @@ require "action_cable"
 
 task default: :test
 
-task package: %w( assets:compile assets:verify )
+task :package
 
 Rake::TestTask.new do |t|
   t.libs << "test"
@@ -35,42 +35,13 @@ namespace :test do
 end
 
 namespace :assets do
-  desc "Compile Action Cable assets"
-  task :compile do
-    require "blade"
-    require "sprockets"
-    require "sprockets/export"
-    Blade.build
-  end
+  desc "Generate ActionCable::INTERNAL JS module"
+  task :codegen do
+    require "json"
+    require "action_cable"
 
-  desc "Verify compiled Action Cable assets"
-  task :verify do
-    file = "lib/assets/compiled/action_cable.js"
-    pathname = Pathname.new("#{__dir__}/#{file}")
-
-    print "[verify] #{file} exists "
-    if pathname.exist?
-      puts "[OK]"
-    else
-      $stderr.puts "[FAIL]"
-      fail
-    end
-
-    print "[verify] #{file} is a UMD module "
-    if /module\.exports.*define\.amd/m.match?(pathname.read)
-      puts "[OK]"
-    else
-      $stderr.puts "[FAIL]"
-      fail
-    end
-
-    print "[verify] #{__dir__} can be required as a module "
-    _, stderr, status = Open3.capture3("node", "--print", "window = {}; require('#{__dir__}');")
-    if status.success?
-      puts "[OK]"
-    else
-      $stderr.puts "[FAIL]\n#{stderr}"
-      fail
+    File.open(File.join(__dir__, "app/javascript/action_cable/internal.js").to_s, "w+") do |file|
+      file.write("export default #{JSON.generate(ActionCable::INTERNAL)}")
     end
   end
 end
diff --git a/actioncable/actioncable.gemspec b/actioncable/actioncable.gemspec
index d946d0797f..137fa64431 100644
--- a/actioncable/actioncable.gemspec
+++ b/actioncable/actioncable.gemspec
@@ -17,7 +17,7 @@
   s.email    = ["pratiknaik@gmail.com", "david@loudthinking.com"]
   s.homepage = "http://rubyonrails.org"
 
-  s.files        = Dir["CHANGELOG.md", "MIT-LICENSE", "README.md", "lib/**/*"]
+  s.files        = Dir["CHANGELOG.md", "MIT-LICENSE", "README.md", "lib/**/*", "app/assets/javascripts/action_cable.js"]
   s.require_path = "lib"
 
   s.metadata = {
diff --git a/actioncable/app/assets/javascripts/action_cable.js b/actioncable/app/assets/javascripts/action_cable.js
new file mode 100644
index 0000000000..df60b1fc24
--- /dev/null
+++ b/actioncable/app/assets/javascripts/action_cable.js
@@ -0,0 +1,475 @@
+(function(global, factory) {
+  typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory() : typeof define === "function" && define.amd ? define(factory) : global.ActionCable = factory();
+})(this, function() {
+  "use strict";
+  var INTERNAL = {
+    message_types: {
+      welcome: "welcome",
+      ping: "ping",
+      confirmation: "confirm_subscription",
+      rejection: "reject_subscription"
+    },
+    default_mount_path: "/cable",
+    protocols: [ "actioncable-v1-json", "actioncable-unsupported" ]
+  };
+  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function(obj) {
+    return typeof obj;
+  } : function(obj) {
+    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+  };
+  var classCallCheck = function(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  };
+  var message_types = INTERNAL.message_types, protocols = INTERNAL.protocols;
+  var supportedProtocols = protocols.slice(0, protocols.length - 1);
+  var indexOf = [].indexOf;
+  var Connection = function() {
+    function Connection(consumer) {
+      classCallCheck(this, Connection);
+      this.open = this.open.bind(this);
+      this.consumer = consumer;
+      this.subscriptions = this.consumer.subscriptions;
+      this.monitor = new ActionCable.ConnectionMonitor(this);
+      this.disconnected = true;
+    }
+    Connection.prototype.send = function send(data) {
+      if (this.isOpen()) {
+        this.webSocket.send(JSON.stringify(data));
+        return true;
+      } else {
+        return false;
+      }
+    };
+    Connection.prototype.open = function open() {
+      if (this.isActive()) {
+        ActionCable.log("Attempted to open WebSocket, but existing socket is " + this.getState());
+        return false;
+      } else {
+        ActionCable.log("Opening WebSocket, current state is " + this.getState() + ", subprotocols: " + protocols);
+        if (this.webSocket) {
+          this.uninstallEventHandlers();
+        }
+        this.webSocket = new ActionCable.WebSocket(this.consumer.url, protocols);
+        this.installEventHandlers();
+        this.monitor.start();
+        return true;
+      }
+    };
+    Connection.prototype.close = function close() {
+      var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {
+        allowReconnect: true
+      }, allowReconnect = _ref.allowReconnect;
+      if (!allowReconnect) {
+        this.monitor.stop();
+      }
+      if (this.isActive()) {
+        return this.webSocket ? this.webSocket.close() : undefined;
+      }
+    };
+    Connection.prototype.reopen = function reopen() {
+      ActionCable.log("Reopening WebSocket, current state is " + this.getState());
+      if (this.isActive()) {
+        try {
+          return this.close();
+        } catch (error) {
+          ActionCable.log("Failed to reopen WebSocket", error);
+        } finally {
+          ActionCable.log("Reopening WebSocket in " + this.constructor.reopenDelay + "ms");
+          setTimeout(this.open, this.constructor.reopenDelay);
+        }
+      } else {
+        return this.open();
+      }
+    };
+    Connection.prototype.getProtocol = function getProtocol() {
+      return this.webSocket ? this.webSocket.protocol : undefined;
+    };
+    Connection.prototype.isOpen = function isOpen() {
+      return this.isState("open");
+    };
+    Connection.prototype.isActive = function isActive() {
+      return this.isState("open", "connecting");
+    };
+    Connection.prototype.isProtocolSupported = function isProtocolSupported() {
+      return indexOf.call(supportedProtocols, this.getProtocol()) >= 0;
+    };
+    Connection.prototype.isState = function isState() {
+      for (var _len = arguments.length, states = Array(_len), _key = 0; _key < _len; _key++) {
+        states[_key] = arguments[_key];
+      }
+      return indexOf.call(states, this.getState()) >= 0;
+    };
+    Connection.prototype.getState = function getState() {
+      if (this.webSocket) {
+        for (var state in WebSocket) {
+          if (WebSocket[state] === this.webSocket.readyState) {
+            return state.toLowerCase();
+          }
+        }
+      }
+      return null;
+    };
+    Connection.prototype.installEventHandlers = function installEventHandlers() {
+      for (var eventName in this.events) {
+        var handler = this.events[eventName].bind(this);
+        this.webSocket["on" + eventName] = handler;
+      }
+    };
+    Connection.prototype.uninstallEventHandlers = function uninstallEventHandlers() {
+      for (var eventName in this.events) {
+        this.webSocket["on" + eventName] = function() {};
+      }
+    };
+    return Connection;
+  }();
+  Connection.reopenDelay = 500;
+  Connection.prototype.events = {
+    message: function message(event) {
+      if (!this.isProtocolSupported()) {
+        return;
+      }
+      var _JSON$parse = JSON.parse(event.data), identifier = _JSON$parse.identifier, message = _JSON$parse.message, type = _JSON$parse.type;
+      switch (type) {
+       case message_types.welcome:
+        this.monitor.recordConnect();
+        return this.subscriptions.reload();
+
+       case message_types.ping:
+        return this.monitor.recordPing();
+
+       case message_types.confirmation:
+        return this.subscriptions.notify(identifier, "connected");
+
+       case message_types.rejection:
+        return this.subscriptions.reject(identifier);
+
+       default:
+        return this.subscriptions.notify(identifier, "received", message);
+      }
+    },
+    open: function open() {
+      ActionCable.log("WebSocket onopen event, using '" + this.getProtocol() + "' subprotocol");
+      this.disconnected = false;
+      if (!this.isProtocolSupported()) {
+        ActionCable.log("Protocol is unsupported. Stopping monitor and disconnecting.");
+        return this.close({
+          allowReconnect: false
+        });
+      }
+    },
+    close: function close(event) {
+      ActionCable.log("WebSocket onclose event");
+      if (this.disconnected) {
+        return;
+      }
+      this.disconnected = true;
+      this.monitor.recordDisconnect();
+      return this.subscriptions.notifyAll("disconnected", {
+        willAttemptReconnect: this.monitor.isRunning()
+      });
+    },
+    error: function error() {
+      ActionCable.log("WebSocket onerror event");
+    }
+  };
+  var now = function now() {
+    return new Date().getTime();
+  };
+  var secondsSince = function secondsSince(time) {
+    return (now() - time) / 1e3;
+  };
+  var clamp = function clamp(number, min, max) {
+    return Math.max(min, Math.min(max, number));
+  };
+  var ConnectionMonitor = function() {
+    function ConnectionMonitor(connection) {
+      classCallCheck(this, ConnectionMonitor);
+      this.visibilityDidChange = this.visibilityDidChange.bind(this);
+      this.connection = connection;
+      this.reconnectAttempts = 0;
+    }
+    ConnectionMonitor.prototype.start = function start() {
+      if (!this.isRunning()) {
+        this.startedAt = now();
+        delete this.stoppedAt;
+        this.startPolling();
+        document.addEventListener("visibilitychange", this.visibilityDidChange);
+        ActionCable.log("ConnectionMonitor started. pollInterval = " + this.getPollInterval() + " ms");
+      }
+    };
+    ConnectionMonitor.prototype.stop = function stop() {
+      if (this.isRunning()) {
+        this.stoppedAt = now();
+        this.stopPolling();
+        document.removeEventListener("visibilitychange", this.visibilityDidChange);
+        ActionCable.log("ConnectionMonitor stopped");
+      }
+    };
+    ConnectionMonitor.prototype.isRunning = function isRunning() {
+      return this.startedAt && !this.stoppedAt;
+    };
+    ConnectionMonitor.prototype.recordPing = function recordPing() {
+      this.pingedAt = now();
+    };
+    ConnectionMonitor.prototype.recordConnect = function recordConnect() {
+      this.reconnectAttempts = 0;
+      this.recordPing();
+      delete this.disconnectedAt;
+      ActionCable.log("ConnectionMonitor recorded connect");
+    };
+    ConnectionMonitor.prototype.recordDisconnect = function recordDisconnect() {
+      this.disconnectedAt = now();
+      ActionCable.log("ConnectionMonitor recorded disconnect");
+    };
+    ConnectionMonitor.prototype.startPolling = function startPolling() {
+      this.stopPolling();
+      this.poll();
+    };
+    ConnectionMonitor.prototype.stopPolling = function stopPolling() {
+      clearTimeout(this.pollTimeout);
+    };
+    ConnectionMonitor.prototype.poll = function poll() {
+      var _this = this;
+      this.pollTimeout = setTimeout(function() {
+        _this.reconnectIfStale();
+        _this.poll();
+      }, this.getPollInterval());
+    };
+    ConnectionMonitor.prototype.getPollInterval = function getPollInterval() {
+      var _constructor$pollInte = this.constructor.pollInterval, min = _constructor$pollInte.min, max = _constructor$pollInte.max;
+      var interval = 5 * Math.log(this.reconnectAttempts + 1);
+      return Math.round(clamp(interval, min, max) * 1e3);
+    };
+    ConnectionMonitor.prototype.reconnectIfStale = function reconnectIfStale() {
+      if (this.connectionIsStale()) {
+        ActionCable.log("ConnectionMonitor detected stale connection. reconnectAttempts = " + this.reconnectAttempts + ", pollInterval = " + this.getPollInterval() + " ms, time disconnected = " + secondsSince(this.disconnectedAt) + " s, stale threshold = " + this.constructor.staleThreshold + " s");
+        this.reconnectAttempts++;
+        if (this.disconnectedRecently()) {
+          ActionCable.log("ConnectionMonitor skipping reopening recent disconnect");
+        } else {
+          ActionCable.log("ConnectionMonitor reopening");
+          this.connection.reopen();
+        }
+      }
+    };
+    ConnectionMonitor.prototype.connectionIsStale = function connectionIsStale() {
+      return secondsSince(this.pingedAt ? this.pingedAt : this.startedAt) > this.constructor.staleThreshold;
+    };
+    ConnectionMonitor.prototype.disconnectedRecently = function disconnectedRecently() {
+      return this.disconnectedAt && secondsSince(this.disconnectedAt) < this.constructor.staleThreshold;
+    };
+    ConnectionMonitor.prototype.visibilityDidChange = function visibilityDidChange() {
+      var _this2 = this;
+      if (document.visibilityState === "visible") {
+        setTimeout(function() {
+          if (_this2.connectionIsStale() || !_this2.connection.isOpen()) {
+            ActionCable.log("ConnectionMonitor reopening stale connection on visibilitychange. visbilityState = " + document.visibilityState);
+            _this2.connection.reopen();
+          }
+        }, 200);
+      }
+    };
+    return ConnectionMonitor;
+  }();
+  ConnectionMonitor.pollInterval = {
+    min: 3,
+    max: 30
+  };
+  ConnectionMonitor.staleThreshold = 6;
+  var Consumer = function() {
+    function Consumer(url) {
+      classCallCheck(this, Consumer);
+      this.url = url;
+      this.subscriptions = new ActionCable.Subscriptions(this);
+      this.connection = new ActionCable.Connection(this);
+    }
+    Consumer.prototype.send = function send(data) {
+      return this.connection.send(data);
+    };
+    Consumer.prototype.connect = function connect() {
+      return this.connection.open();
+    };
+    Consumer.prototype.disconnect = function disconnect() {
+      return this.connection.close({
+        allowReconnect: false
+      });
+    };
+    Consumer.prototype.ensureActiveConnection = function ensureActiveConnection() {
+      if (!this.connection.isActive()) {
+        return this.connection.open();
+      }
+    };
+    return Consumer;
+  }();
+  var extend = function extend(object, properties) {
+    if (properties != null) {
+      for (var key in properties) {
+        var value = properties[key];
+        object[key] = value;
+      }
+    }
+    return object;
+  };
+  var Subscription = function() {
+    function Subscription(consumer) {
+      var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+      var mixin = arguments[2];
+      classCallCheck(this, Subscription);
+      this.consumer = consumer;
+      this.identifier = JSON.stringify(params);
+      extend(this, mixin);
+    }
+    Subscription.prototype.perform = function perform(action) {
+      var data = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+      data.action = action;
+      return this.send(data);
+    };
+    Subscription.prototype.send = function send(data) {
+      return this.consumer.send({
+        command: "message",
+        identifier: this.identifier,
+        data: JSON.stringify(data)
+      });
+    };
+    Subscription.prototype.unsubscribe = function unsubscribe() {
+      return this.consumer.subscriptions.remove(this);
+    };
+    return Subscription;
+  }();
+  var Subscriptions = function() {
+    function Subscriptions(consumer) {
+      classCallCheck(this, Subscriptions);
+      this.consumer = consumer;
+      this.subscriptions = [];
+    }
+    Subscriptions.prototype.create = function create(channelName, mixin) {
+      var channel = channelName;
+      var params = (typeof channel === "undefined" ? "undefined" : _typeof(channel)) === "object" ? channel : {
+        channel: channel
+      };
+      var subscription = new ActionCable.Subscription(this.consumer, params, mixin);
+      return this.add(subscription);
+    };
+    Subscriptions.prototype.add = function add(subscription) {
+      this.subscriptions.push(subscription);
+      this.consumer.ensureActiveConnection();
+      this.notify(subscription, "initialized");
+      this.sendCommand(subscription, "subscribe");
+      return subscription;
+    };
+    Subscriptions.prototype.remove = function remove(subscription) {
+      this.forget(subscription);
+      if (!this.findAll(subscription.identifier).length) {
+        this.sendCommand(subscription, "unsubscribe");
+      }
+      return subscription;
+    };
+    Subscriptions.prototype.reject = function reject(identifier) {
+      var _this = this;
+      return this.findAll(identifier).map(function(subscription) {
+        _this.forget(subscription);
+        _this.notify(subscription, "rejected");
+        return subscription;
+      });
+    };
+    Subscriptions.prototype.forget = function forget(subscription) {
+      this.subscriptions = this.subscriptions.filter(function(s) {
+        return s !== subscription;
+      });
+      return subscription;
+    };
+    Subscriptions.prototype.findAll = function findAll(identifier) {
+      return this.subscriptions.filter(function(s) {
+        return s.identifier === identifier;
+      });
+    };
+    Subscriptions.prototype.reload = function reload() {
+      var _this2 = this;
+      return this.subscriptions.map(function(subscription) {
+        return _this2.sendCommand(subscription, "subscribe");
+      });
+    };
+    Subscriptions.prototype.notifyAll = function notifyAll(callbackName) {
+      var _this3 = this;
+      for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+        args[_key - 1] = arguments[_key];
+      }
+      return this.subscriptions.map(function(subscription) {
+        return _this3.notify.apply(_this3, [ subscription, callbackName ].concat(args));
+      });
+    };
+    Subscriptions.prototype.notify = function notify(subscription, callbackName) {
+      for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
+        args[_key2 - 2] = arguments[_key2];
+      }
+      var subscriptions = void 0;
+      if (typeof subscription === "string") {
+        subscriptions = this.findAll(subscription);
+      } else {
+        subscriptions = [ subscription ];
+      }
+      return subscriptions.map(function(subscription) {
+        return typeof subscription[callbackName] === "function" ? subscription[callbackName].apply(subscription, args) : undefined;
+      });
+    };
+    Subscriptions.prototype.sendCommand = function sendCommand(subscription, command) {
+      var identifier = subscription.identifier;
+      return this.consumer.send({
+        command: command,
+        identifier: identifier
+      });
+    };
+    return Subscriptions;
+  }();
+  var ActionCable = {
+    Connection: Connection,
+    ConnectionMonitor: ConnectionMonitor,
+    Consumer: Consumer,
+    INTERNAL: INTERNAL,
+    Subscription: Subscription,
+    Subscriptions: Subscriptions,
+    WebSocket: window.WebSocket,
+    logger: window.console,
+    createConsumer: function createConsumer(url) {
+      if (url == null) {
+        var urlConfig = this.getConfig("url");
+        url = urlConfig ? urlConfig : this.INTERNAL.default_mount_path;
+      }
+      return new Consumer(this.createWebSocketURL(url));
+    },
+    getConfig: function getConfig(name) {
+      var element = document.head.querySelector("meta[name='action-cable-" + name + "']");
+      return element ? element.getAttribute("content") : undefined;
+    },
+    createWebSocketURL: function createWebSocketURL(url) {
+      if (url && !/^wss?:/i.test(url)) {
+        var a = document.createElement("a");
+        a.href = url;
+        a.href = a.href;
+        a.protocol = a.protocol.replace("http", "ws");
+        return a.href;
+      } else {
+        return url;
+      }
+    },
+    startDebugging: function startDebugging() {
+      this.debugging = true;
+    },
+    stopDebugging: function stopDebugging() {
+      this.debugging = null;
+    },
+    log: function log() {
+      if (this.debugging) {
+        var _logger;
+        for (var _len = arguments.length, messages = Array(_len), _key = 0; _key < _len; _key++) {
+          messages[_key] = arguments[_key];
+        }
+        messages.push(Date.now());
+        (_logger = this.logger).log.apply(_logger, [ "[ActionCable]" ].concat(messages));
+      }
+    }
+  };
+  return ActionCable;
+});
diff --git a/actioncable/app/javascript/action_cable/connection.js b/actioncable/app/javascript/action_cable/connection.js
index 540f597303..4ad436f2c0 100644
--- a/actioncable/app/javascript/action_cable/connection.js
+++ b/actioncable/app/javascript/action_cable/connection.js
@@ -1,158 +1,156 @@
-//= require ./connection_monitor
+import ActionCable from "./index"
+import INTERNAL from "./internal"
 
 // Encapsulate the cable connection held by the consumer. This is an internal class not intended for direct user manipulation.
 
-const {message_types, protocols} = ActionCable.INTERNAL
+const {message_types, protocols} = INTERNAL
 const supportedProtocols = protocols.slice(0, protocols.length - 1)
 
-ActionCable.Connection = (function() {
-  const indexOf = [].indexOf
-
-  class Connection {
-    constructor(consumer) {
-      this.open = this.open.bind(this)
-      this.consumer = consumer
-      this.subscriptions = this.consumer.subscriptions
-      this.monitor = new ActionCable.ConnectionMonitor(this)
-      this.disconnected = true
-    }
-
-    send(data) {
-      if (this.isOpen()) {
-        this.webSocket.send(JSON.stringify(data))
-        return true
-      } else {
-        return false
-      }
-    }
-
-    open() {
-      if (this.isActive()) {
-        ActionCable.log(`Attempted to open WebSocket, but existing socket is ${this.getState()}`)
-        return false
-      } else {
-        ActionCable.log(`Opening WebSocket, current state is ${this.getState()}, subprotocols: ${protocols}`)
-        if (this.webSocket) { this.uninstallEventHandlers() }
-        this.webSocket = new ActionCable.WebSocket(this.consumer.url, protocols)
-        this.installEventHandlers()
-        this.monitor.start()
-        return true
-      }
-    }
-
-    close({allowReconnect} = {allowReconnect: true}) {
-      if (!allowReconnect) { this.monitor.stop() }
-      if (this.isActive()) { return (this.webSocket ? this.webSocket.close() : undefined) }
-    }
-
-    reopen() {
-      ActionCable.log(`Reopening WebSocket, current state is ${this.getState()}`)
-      if (this.isActive()) {
-        try {
-          return this.close()
-        } catch (error) {
-          ActionCable.log("Failed to reopen WebSocket", error)
-        }
-        finally {
-          ActionCable.log(`Reopening WebSocket in ${this.constructor.reopenDelay}ms`)
-          setTimeout(this.open, this.constructor.reopenDelay)
-        }
-      } else {
-        return this.open()
-      }
-    }
-
-    getProtocol() {
-      return (this.webSocket ? this.webSocket.protocol : undefined)
-    }
-
-    isOpen() {
-      return this.isState("open")
-    }
-
-    isActive() {
-      return this.isState("open", "connecting")
-    }
-
-    // Private
-
-    isProtocolSupported() {
-      return indexOf.call(supportedProtocols, this.getProtocol()) >= 0
-    }
-
-    isState(...states) {
-      return indexOf.call(states, this.getState()) >= 0
-    }
-
-    getState() {
-      if (this.webSocket) {
-        for (let state in WebSocket) {
-          if (WebSocket[state] === this.webSocket.readyState) {
-            return state.toLowerCase()
-          }
-        }
-      }
-      return null
-    }
-
-    installEventHandlers() {
-      for (let eventName in this.events) {
-        const handler = this.events[eventName].bind(this)
-        this.webSocket[`on${eventName}`] = handler
-      }
-    }
-
-    uninstallEventHandlers() {
-      for (let eventName in this.events) {
-        this.webSocket[`on${eventName}`] = function() {}
-      }
-    }
+const indexOf = [].indexOf
 
+class Connection {
+  constructor(consumer) {
+    this.open = this.open.bind(this)
+    this.consumer = consumer
+    this.subscriptions = this.consumer.subscriptions
+    this.monitor = new ActionCable.ConnectionMonitor(this)
+    this.disconnected = true
   }
 
-  Connection.reopenDelay = 500
-
-  Connection.prototype.events = {
-    message(event) {
-      if (!this.isProtocolSupported()) { return }
-      const {identifier, message, type} = JSON.parse(event.data)
-      switch (type) {
-        case message_types.welcome:
-          this.monitor.recordConnect()
-          return this.subscriptions.reload()
-        case message_types.ping:
-          return this.monitor.recordPing()
-        case message_types.confirmation:
-          return this.subscriptions.notify(identifier, "connected")
-        case message_types.rejection:
-          return this.subscriptions.reject(identifier)
-        default:
-          return this.subscriptions.notify(identifier, "received", message)
-      }
-    },
-
-    open() {
-      ActionCable.log(`WebSocket onopen event, using '${this.getProtocol()}' subprotocol`)
-      this.disconnected = false
-      if (!this.isProtocolSupported()) {
-        ActionCable.log("Protocol is unsupported. Stopping monitor and disconnecting.")
-        return this.close({allowReconnect: false})
-      }
-    },
-
-    close(event) {
-      ActionCable.log("WebSocket onclose event")
-      if (this.disconnected) { return }
-      this.disconnected = true
-      this.monitor.recordDisconnect()
-      return this.subscriptions.notifyAll("disconnected", {willAttemptReconnect: this.monitor.isRunning()})
-    },
-
-    error() {
-      ActionCable.log("WebSocket onerror event")
+  send(data) {
+    if (this.isOpen()) {
+      this.webSocket.send(JSON.stringify(data))
+      return true
+    } else {
+      return false
     }
   }
 
-  return Connection
+  open() {
+    if (this.isActive()) {
+      ActionCable.log(`Attempted to open WebSocket, but existing socket is ${this.getState()}`)
+      return false
+    } else {
+      ActionCable.log(`Opening WebSocket, current state is ${this.getState()}, subprotocols: ${protocols}`)
+      if (this.webSocket) { this.uninstallEventHandlers() }
+      this.webSocket = new ActionCable.WebSocket(this.consumer.url, protocols)
+      this.installEventHandlers()
+      this.monitor.start()
+      return true
+    }
+  }
 
-})()
+  close({allowReconnect} = {allowReconnect: true}) {
+    if (!allowReconnect) { this.monitor.stop() }
+    if (this.isActive()) { return (this.webSocket ? this.webSocket.close() : undefined) }
+  }
+
+  reopen() {
+    ActionCable.log(`Reopening WebSocket, current state is ${this.getState()}`)
+    if (this.isActive()) {
+      try {
+        return this.close()
+      } catch (error) {
+        ActionCable.log("Failed to reopen WebSocket", error)
+      }
+      finally {
+        ActionCable.log(`Reopening WebSocket in ${this.constructor.reopenDelay}ms`)
+        setTimeout(this.open, this.constructor.reopenDelay)
+      }
+    } else {
+      return this.open()
+    }
+  }
+
+  getProtocol() {
+    return (this.webSocket ? this.webSocket.protocol : undefined)
+  }
+
+  isOpen() {
+    return this.isState("open")
+  }
+
+  isActive() {
+    return this.isState("open", "connecting")
+  }
+
+  // Private
+
+  isProtocolSupported() {
+    return indexOf.call(supportedProtocols, this.getProtocol()) >= 0
+  }
+
+  isState(...states) {
+    return indexOf.call(states, this.getState()) >= 0
+  }
+
+  getState() {
+    if (this.webSocket) {
+      for (let state in WebSocket) {
+        if (WebSocket[state] === this.webSocket.readyState) {
+          return state.toLowerCase()
+        }
+      }
+    }
+    return null
+  }
+
+  installEventHandlers() {
+    for (let eventName in this.events) {
+      const handler = this.events[eventName].bind(this)
+      this.webSocket[`on${eventName}`] = handler
+    }
+  }
+
+  uninstallEventHandlers() {
+    for (let eventName in this.events) {
+      this.webSocket[`on${eventName}`] = function() {}
+    }
+  }
+
+}
+
+Connection.reopenDelay = 500
+
+Connection.prototype.events = {
+  message(event) {
+    if (!this.isProtocolSupported()) { return }
+    const {identifier, message, type} = JSON.parse(event.data)
+    switch (type) {
+      case message_types.welcome:
+        this.monitor.recordConnect()
+        return this.subscriptions.reload()
+      case message_types.ping:
+        return this.monitor.recordPing()
+      case message_types.confirmation:
+        return this.subscriptions.notify(identifier, "connected")
+      case message_types.rejection:
+        return this.subscriptions.reject(identifier)
+      default:
+        return this.subscriptions.notify(identifier, "received", message)
+    }
+  },
+
+  open() {
+    ActionCable.log(`WebSocket onopen event, using '${this.getProtocol()}' subprotocol`)
+    this.disconnected = false
+    if (!this.isProtocolSupported()) {
+      ActionCable.log("Protocol is unsupported. Stopping monitor and disconnecting.")
+      return this.close({allowReconnect: false})
+    }
+  },
+
+  close(event) {
+    ActionCable.log("WebSocket onclose event")
+    if (this.disconnected) { return }
+    this.disconnected = true
+    this.monitor.recordDisconnect()
+    return this.subscriptions.notifyAll("disconnected", {willAttemptReconnect: this.monitor.isRunning()})
+  },
+
+  error() {
+    ActionCable.log("WebSocket onerror event")
+  }
+}
+
+export default Connection
diff --git a/actioncable/app/javascript/action_cable/connection_monitor.js b/actioncable/app/javascript/action_cable/connection_monitor.js
index 4d2db5b4ae..8d6ac1f682 100644
--- a/actioncable/app/javascript/action_cable/connection_monitor.js
+++ b/actioncable/app/javascript/action_cable/connection_monitor.js
@@ -1,125 +1,125 @@
+import ActionCable from "./index"
+
 // Responsible for ensuring the cable connection is in good health by validating the heartbeat pings sent from the server, and attempting
 // revival reconnections if things go astray. Internal class, not intended for direct user manipulation.
-ActionCable.ConnectionMonitor = (function() {
-  const now = () => new Date().getTime()
 
-  const secondsSince = time => (now() - time) / 1000
+const now = () => new Date().getTime()
 
-  const clamp = (number, min, max) => Math.max(min, Math.min(max, number))
+const secondsSince = time => (now() - time) / 1000
 
-  class ConnectionMonitor {
-    constructor(connection) {
-      this.visibilityDidChange = this.visibilityDidChange.bind(this)
-      this.connection = connection
-      this.reconnectAttempts = 0
+const clamp = (number, min, max) => Math.max(min, Math.min(max, number))
+
+class ConnectionMonitor {
+  constructor(connection) {
+    this.visibilityDidChange = this.visibilityDidChange.bind(this)
+    this.connection = connection
+    this.reconnectAttempts = 0
+  }
+
+  start() {
+    if (!this.isRunning()) {
+      this.startedAt = now()
+      delete this.stoppedAt
+      this.startPolling()
+      document.addEventListener("visibilitychange", this.visibilityDidChange)
+      ActionCable.log(`ConnectionMonitor started. pollInterval = ${this.getPollInterval()} ms`)
     }
+  }
 
-    start() {
-      if (!this.isRunning()) {
-        this.startedAt = now()
-        delete this.stoppedAt
-        this.startPolling()
-        document.addEventListener("visibilitychange", this.visibilityDidChange)
-        ActionCable.log(`ConnectionMonitor started. pollInterval = ${this.getPollInterval()} ms`)
-      }
-    }
-
-    stop() {
-      if (this.isRunning()) {
-        this.stoppedAt = now()
-        this.stopPolling()
-        document.removeEventListener("visibilitychange", this.visibilityDidChange)
-        ActionCable.log("ConnectionMonitor stopped")
-      }
-    }
-
-    isRunning() {
-      return this.startedAt && !this.stoppedAt
-    }
-
-    recordPing() {
-      this.pingedAt = now()
-    }
-
-    recordConnect() {
-      this.reconnectAttempts = 0
-      this.recordPing()
-      delete this.disconnectedAt
-      ActionCable.log("ConnectionMonitor recorded connect")
-    }
-
-    recordDisconnect() {
-      this.disconnectedAt = now()
-      ActionCable.log("ConnectionMonitor recorded disconnect")
-    }
-
-    // Private
-
-    startPolling() {
+  stop() {
+    if (this.isRunning()) {
+      this.stoppedAt = now()
       this.stopPolling()
+      document.removeEventListener("visibilitychange", this.visibilityDidChange)
+      ActionCable.log("ConnectionMonitor stopped")
+    }
+  }
+
+  isRunning() {
+    return this.startedAt && !this.stoppedAt
+  }
+
+  recordPing() {
+    this.pingedAt = now()
+  }
+
+  recordConnect() {
+    this.reconnectAttempts = 0
+    this.recordPing()
+    delete this.disconnectedAt
+    ActionCable.log("ConnectionMonitor recorded connect")
+  }
+
+  recordDisconnect() {
+    this.disconnectedAt = now()
+    ActionCable.log("ConnectionMonitor recorded disconnect")
+  }
+
+  // Private
+
+  startPolling() {
+    this.stopPolling()
+    this.poll()
+  }
+
+  stopPolling() {
+    clearTimeout(this.pollTimeout)
+  }
+
+  poll() {
+    this.pollTimeout = setTimeout(() => {
+      this.reconnectIfStale()
       this.poll()
     }
+    , this.getPollInterval())
+  }
 
-    stopPolling() {
-      clearTimeout(this.pollTimeout)
-    }
+  getPollInterval() {
+    const {min, max} = this.constructor.pollInterval
+    const interval = 5 * Math.log(this.reconnectAttempts + 1)
+    return Math.round(clamp(interval, min, max) * 1000)
+  }
 
-    poll() {
-      this.pollTimeout = setTimeout(() => {
-        this.reconnectIfStale()
-        this.poll()
+  reconnectIfStale() {
+    if (this.connectionIsStale()) {
+      ActionCable.log(`ConnectionMonitor detected stale connection. reconnectAttempts = ${this.reconnectAttempts}, pollInterval = ${this.getPollInterval()} ms, time disconnected = ${secondsSince(this.disconnectedAt)} s, stale threshold = ${this.constructor.staleThreshold} s`)
+      this.reconnectAttempts++
+      if (this.disconnectedRecently()) {
+        ActionCable.log("ConnectionMonitor skipping reopening recent disconnect")
+      } else {
+        ActionCable.log("ConnectionMonitor reopening")
+        this.connection.reopen()
       }
-      , this.getPollInterval())
     }
+  }
 
-    getPollInterval() {
-      const {min, max} = this.constructor.pollInterval
-      const interval = 5 * Math.log(this.reconnectAttempts + 1)
-      return Math.round(clamp(interval, min, max) * 1000)
-    }
+  connectionIsStale() {
+    return secondsSince(this.pingedAt ? this.pingedAt : this.startedAt) > this.constructor.staleThreshold
+  }
 
-    reconnectIfStale() {
-      if (this.connectionIsStale()) {
-        ActionCable.log(`ConnectionMonitor detected stale connection. reconnectAttempts = ${this.reconnectAttempts}, pollInterval = ${this.getPollInterval()} ms, time disconnected = ${secondsSince(this.disconnectedAt)} s, stale threshold = ${this.constructor.staleThreshold} s`)
-        this.reconnectAttempts++
-        if (this.disconnectedRecently()) {
-          ActionCable.log("ConnectionMonitor skipping reopening recent disconnect")
-        } else {
-          ActionCable.log("ConnectionMonitor reopening")
+  disconnectedRecently() {
+    return this.disconnectedAt && (secondsSince(this.disconnectedAt) < this.constructor.staleThreshold)
+  }
+
+  visibilityDidChange() {
+    if (document.visibilityState === "visible") {
+      setTimeout(() => {
+        if (this.connectionIsStale() || !this.connection.isOpen()) {
+          ActionCable.log(`ConnectionMonitor reopening stale connection on visibilitychange. visbilityState = ${document.visibilityState}`)
           this.connection.reopen()
         }
       }
+      , 200)
     }
-
-    connectionIsStale() {
-      return secondsSince(this.pingedAt ? this.pingedAt : this.startedAt) > this.constructor.staleThreshold
-    }
-
-    disconnectedRecently() {
-      return this.disconnectedAt && (secondsSince(this.disconnectedAt) < this.constructor.staleThreshold)
-    }
-
-    visibilityDidChange() {
-      if (document.visibilityState === "visible") {
-        setTimeout(() => {
-          if (this.connectionIsStale() || !this.connection.isOpen()) {
-            ActionCable.log(`ConnectionMonitor reopening stale connection on visibilitychange. visbilityState = ${document.visibilityState}`)
-            this.connection.reopen()
-          }
-        }
-        , 200)
-      }
-    }
-
   }
 
-  ConnectionMonitor.pollInterval = {
-    min: 3,
-    max: 30
-  }
+}
 
-  ConnectionMonitor.staleThreshold = 6 // Server::Connections::BEAT_INTERVAL * 2 (missed two pings)
+ConnectionMonitor.pollInterval = {
+  min: 3,
+  max: 30
+}
 
-  return ConnectionMonitor
+ConnectionMonitor.staleThreshold = 6 // Server::Connections::BEAT_INTERVAL * 2 (missed two pings)
 
-})()
+export default ConnectionMonitor
diff --git a/actioncable/app/javascript/action_cable/consumer.js b/actioncable/app/javascript/action_cable/consumer.js
index 731e00996d..c484ceebbd 100644
--- a/actioncable/app/javascript/action_cable/consumer.js
+++ b/actioncable/app/javascript/action_cable/consumer.js
@@ -1,6 +1,4 @@
-//= require ./connection
-//= require ./subscriptions
-//= require ./subscription
+import ActionCable from "./index"
 
 // The ActionCable.Consumer establishes the connection to a server-side Ruby Connection object. Once established,
 // the ActionCable.ConnectionMonitor will ensure that its properly maintained through heartbeats and checking for stale updates.
@@ -27,7 +25,8 @@
 //
 // Any channel subscriptions which existed prior to disconnecting will
 // automatically resubscribe.
-ActionCable.Consumer = class Consumer {
+
+export default class Consumer {
   constructor(url) {
     this.url = url
     this.subscriptions = new ActionCable.Subscriptions(this)
diff --git a/actioncable/app/javascript/action_cable/index.js.erb b/actioncable/app/javascript/action_cable/index.js
similarity index 71%
rename from actioncable/app/javascript/action_cable/index.js.erb
rename to actioncable/app/javascript/action_cable/index.js
index eb85eba722..eb0c4844df 100644
--- a/actioncable/app/javascript/action_cable/index.js.erb
+++ b/actioncable/app/javascript/action_cable/index.js
@@ -1,9 +1,17 @@
-//= export ActionCable
-//= require_self
-//= require ./action_cable/consumer
+import Connection from "./connection"
+import ConnectionMonitor from "./connection_monitor"
+import Consumer from "./consumer"
+import INTERNAL from "./internal"
+import Subscription from "./subscription"
+import Subscriptions from "./subscriptions"
 
-this.ActionCable = {
-  INTERNAL: <%= ActionCable::INTERNAL.to_json %>,
+export default {
+  Connection,
+  ConnectionMonitor,
+  Consumer,
+  INTERNAL,
+  Subscription,
+  Subscriptions,
   WebSocket: window.WebSocket,
   logger: window.console,
 
@@ -12,7 +20,7 @@ this.ActionCable = {
       const urlConfig = this.getConfig("url")
       url = (urlConfig ? urlConfig : this.INTERNAL.default_mount_path)
     }
-    return new ActionCable.Consumer(this.createWebSocketURL(url))
+    return new Consumer(this.createWebSocketURL(url))
   },
 
   getConfig(name) {
diff --git a/actioncable/app/javascript/action_cable/subscription.js b/actioncable/app/javascript/action_cable/subscription.js
index 95b9ff6042..7de08f93b3 100644
--- a/actioncable/app/javascript/action_cable/subscription.js
+++ b/actioncable/app/javascript/action_cable/subscription.js
@@ -55,38 +55,35 @@
 //
 // The "AppearanceChannel" name is automatically mapped between the client-side subscription creation and the server-side Ruby class name.
 // The AppearanceChannel#appear/away public methods are exposed automatically to client-side invocation through the perform method.
-ActionCable.Subscription = (function() {
-  const extend = function(object, properties) {
-    if (properties != null) {
-      for (let key in properties) {
-        const value = properties[key]
-        object[key] = value
-      }
-    }
-    return object
-  }
 
-  class Subscription {
-    constructor(consumer, params = {}, mixin) {
-      this.consumer = consumer
-      this.identifier = JSON.stringify(params)
-      extend(this, mixin)
-    }
-
-    // Perform a channel action with the optional data passed as an attribute
-    perform(action, data = {}) {
-      data.action = action
-      return this.send(data)
-    }
-
-    send(data) {
-      return this.consumer.send({command: "message", identifier: this.identifier, data: JSON.stringify(data)})
-    }
-
-    unsubscribe() {
-      return this.consumer.subscriptions.remove(this)
+const extend = function(object, properties) {
+  if (properties != null) {
+    for (let key in properties) {
+      const value = properties[key]
+      object[key] = value
     }
   }
+  return object
+}
 
-  return Subscription
-})()
+export default class Subscription {
+  constructor(consumer, params = {}, mixin) {
+    this.consumer = consumer
+    this.identifier = JSON.stringify(params)
+    extend(this, mixin)
+  }
+
+  // Perform a channel action with the optional data passed as an attribute
+  perform(action, data = {}) {
+    data.action = action
+    return this.send(data)
+  }
+
+  send(data) {
+    return this.consumer.send({command: "message", identifier: this.identifier, data: JSON.stringify(data)})
+  }
+
+  unsubscribe() {
+    return this.consumer.subscriptions.remove(this)
+  }
+}
diff --git a/actioncable/app/javascript/action_cable/subscriptions.js b/actioncable/app/javascript/action_cable/subscriptions.js
index 65bdcc4ece..712ff50d28 100644
--- a/actioncable/app/javascript/action_cable/subscriptions.js
+++ b/actioncable/app/javascript/action_cable/subscriptions.js
@@ -1,3 +1,5 @@
+import ActionCable from "./index"
+
 // Collection class for creating (and internally managing) channel subscriptions. The only method intended to be triggered by the user
 // us ActionCable.Subscriptions#create, and it should be called through the consumer like so:
 //
@@ -6,7 +8,8 @@
 //   App.appearance = App.cable.subscriptions.create("AppearanceChannel")
 //
 // For more details on how you'd configure an actual channel subscription, see ActionCable.Subscription.
-ActionCable.Subscriptions = class Subscriptions {
+
+export default class Subscriptions {
   constructor(consumer) {
     this.consumer = consumer
     this.subscriptions = []
diff --git a/actioncable/blade.yml b/actioncable/blade.yml
index e38e9b2f1d..54d13a2ba2 100644
--- a/actioncable/blade.yml
+++ b/actioncable/blade.yml
@@ -6,12 +6,6 @@ load_paths:
 logical_paths:
   - test.js
 
-build:
-  logical_paths:
-    - action_cable.js
-  path: lib/assets/compiled
-  clean: true
-
 plugins:
   sauce_labs:
     browsers:
diff --git a/actioncable/package.json b/actioncable/package.json
index d9df46043d..5d5105a6d5 100644
--- a/actioncable/package.json
+++ b/actioncable/package.json
@@ -2,9 +2,9 @@
   "name": "actioncable",
   "version": "6.0.0-alpha",
   "description": "WebSocket framework for Ruby on Rails.",
-  "main": "lib/assets/compiled/action_cable.js",
+  "main": "app/assets/javascripts/action_cable.js",
   "files": [
-    "lib/assets/compiled/*.js"
+    "app/assets/javascripts/*.js"
   ],
   "repository": {
     "type": "git",
@@ -20,5 +20,22 @@
   "bugs": {
     "url": "https://github.com/rails/rails/issues"
   },
-  "homepage": "http://rubyonrails.org/"
+  "homepage": "http://rubyonrails.org/",
+  "devDependencies": {
+    "babel-core": "^6.25.0",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-preset-env": "^1.6.0",
+    "eslint": "^4.3.0",
+    "eslint-plugin-import": "^2.7.0",
+    "rollup": "^0.58.2",
+    "rollup-plugin-babel": "^3.0.4",
+    "rollup-plugin-commonjs": "^9.1.0",
+    "rollup-plugin-node-resolve": "^3.3.0",
+    "rollup-plugin-uglify": "^3.0.0"
+  },
+  "scripts": {
+    "prebuild": "yarn lint && bundle exec rake assets:codegen",
+    "build": "rollup --config rollup.config.js",
+    "lint": "eslint app/javascript"
+  }
 }
diff --git a/actioncable/rollup.config.js b/actioncable/rollup.config.js
new file mode 100644
index 0000000000..03046526aa
--- /dev/null
+++ b/actioncable/rollup.config.js
@@ -0,0 +1,28 @@
+import resolve from "rollup-plugin-node-resolve"
+import commonjs from "rollup-plugin-commonjs"
+import babel from "rollup-plugin-babel"
+import uglify from "rollup-plugin-uglify"
+
+const uglifyOptions = {
+  mangle: false,
+  compress: false,
+  output: {
+    beautify: true,
+    indent_level: 2
+  }
+}
+
+export default {
+  input: "app/javascript/action_cable/index.js",
+  output: {
+    file: "app/assets/javascripts/action_cable.js",
+    format: "umd",
+    name: "ActionCable"
+  },
+  plugins: [
+    resolve(),
+    commonjs(),
+    babel(),
+    uglify(uglifyOptions)
+  ]
+}
diff --git a/actioncable/yarn.lock b/actioncable/yarn.lock
new file mode 100644
index 0000000000..8b4fcaebd6
--- /dev/null
+++ b/actioncable/yarn.lock
@@ -0,0 +1,1928 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@types/estree@0.0.38":
+  version "0.0.38"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.38.tgz#c1be40aa933723c608820a99a373a16d215a1ca2"
+
+"@types/node@*":
+  version "10.11.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.11.6.tgz#ce5690df6cd917a9178439a1013e39a7e565c46e"
+
+acorn-jsx@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
+  dependencies:
+    acorn "^3.0.4"
+
+acorn@^3.0.4:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+
+acorn@^5.2.1:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.3.0.tgz#7446d39459c54fb49a80e6ee6478149b940ec822"
+
+ajv-keywords@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
+
+ajv@^5.2.3, ajv@^5.3.0:
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
+  dependencies:
+    co "^4.6.0"
+    fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.3.0"
+
+ansi-escapes@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.0.0.tgz#ec3e8b4e9f8064fc02c3ac9b65f1c275bda8ef92"
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+
+ansi-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
+
+ansi-styles@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
+
+ansi-styles@^3.1.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.0.tgz#c159b8d5be0f9e5a6f346dab94f16ce022161b88"
+  dependencies:
+    color-convert "^1.9.0"
+
+argparse@^1.0.7:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
+  dependencies:
+    sprintf-js "~1.0.2"
+
+arr-diff@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
+  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"
+
+array-union@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
+  dependencies:
+    array-uniq "^1.0.1"
+
+array-uniq@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
+
+array-unique@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
+
+arrify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
+
+babel-code-frame@^6.22.0, 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"
+  dependencies:
+    chalk "^1.1.3"
+    esutils "^2.0.2"
+    js-tokens "^3.0.2"
+
+babel-core@^6.25.0, babel-core@^6.26.0:
+  version "6.26.3"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.3.tgz#b2e2f09e342d0f0c88e2f02e067794125e75c207"
+  dependencies:
+    babel-code-frame "^6.26.0"
+    babel-generator "^6.26.0"
+    babel-helpers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-register "^6.26.0"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    convert-source-map "^1.5.1"
+    debug "^2.6.9"
+    json5 "^0.5.1"
+    lodash "^4.17.4"
+    minimatch "^3.0.4"
+    path-is-absolute "^1.0.1"
+    private "^0.1.8"
+    slash "^1.0.0"
+    source-map "^0.5.7"
+
+babel-generator@^6.26.0:
+  version "6.26.1"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
+  dependencies:
+    babel-messages "^6.23.0"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    detect-indent "^4.0.0"
+    jsesc "^1.3.0"
+    lodash "^4.17.4"
+    source-map "^0.5.7"
+    trim-right "^1.0.1"
+
+babel-helper-builder-binary-assignment-operator-visitor@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz#cce4517ada356f4220bcae8a02c2b346f9a56664"
+  dependencies:
+    babel-helper-explode-assignable-expression "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-call-delegate@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz#ece6aacddc76e41c3461f88bfc575bd0daa2df8d"
+  dependencies:
+    babel-helper-hoist-variables "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-define-map@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz#a5f56dab41a25f97ecb498c7ebaca9819f95be5f"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-explode-assignable-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz#f25b82cf7dc10433c55f70592d5746400ac22caa"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-function-name@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz#d3475b8c03ed98242a25b48351ab18399d3580a9"
+  dependencies:
+    babel-helper-get-function-arity "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-get-function-arity@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz#8f7782aa93407c41d3aa50908f89b031b1b6853d"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-hoist-variables@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz#1ecb27689c9d25513eadbc9914a73f5408be7a76"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-optimise-call-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.24.1.tgz#f7a13427ba9f73f8f4fa993c54a97882d1244257"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-regex@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz#325c59f902f82f24b74faceed0363954f6495e72"
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-remap-async-to-generator@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz#5ec581827ad723fecdd381f1c928390676e4551b"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-replace-supers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz#bf6dbfe43938d17369a213ca8a8bf74b6a90ab1a"
+  dependencies:
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helpers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-messages@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-check-es2015-constants@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz#35157b101426fd2ffd3da3f75c7d1e91835bbf8a"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-external-helpers@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-external-helpers/-/babel-plugin-external-helpers-6.22.0.tgz#2285f48b02bd5dede85175caf8c62e86adccefa1"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-syntax-async-functions@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
+
+babel-plugin-syntax-exponentiation-operator@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
+
+babel-plugin-syntax-trailing-function-commas@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz#ba0360937f8d06e40180a43fe0d5616fff532cf3"
+
+babel-plugin-transform-async-to-generator@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz#6536e378aff6cb1d5517ac0e40eb3e9fc8d08761"
+  dependencies:
+    babel-helper-remap-async-to-generator "^6.24.1"
+    babel-plugin-syntax-async-functions "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-arrow-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz#452692cb711d5f79dc7f85e440ce41b9f244d221"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoped-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoped-functions/-/babel-plugin-transform-es2015-block-scoped-functions-6.22.0.tgz#bbc51b49f964d70cb8d8e0b94e820246ce3a6141"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoping@^6.23.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.26.0.tgz#d70f5299c1308d05c12f463813b0a09e73b1895f"
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-plugin-transform-es2015-classes@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.24.1.tgz#5a4c58a50c9c9461e564b4b2a3bfabc97a2584db"
+  dependencies:
+    babel-helper-define-map "^6.24.1"
+    babel-helper-function-name "^6.24.1"
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-helper-replace-supers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-computed-properties@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-computed-properties/-/babel-plugin-transform-es2015-computed-properties-6.24.1.tgz#6fe2a8d16895d5634f4cd999b6d3480a308159b3"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-destructuring@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.23.0.tgz#997bb1f1ab967f682d2b0876fe358d60e765c56d"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-duplicate-keys@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-duplicate-keys/-/babel-plugin-transform-es2015-duplicate-keys-6.24.1.tgz#73eb3d310ca969e3ef9ec91c53741a6f1576423e"
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-for-of@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.23.0.tgz#f47c95b2b613df1d3ecc2fdb7573623c75248691"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-function-name@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.24.1.tgz#834c89853bc36b1af0f3a4c5dbaa94fd8eacaa8b"
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-literals/-/babel-plugin-transform-es2015-literals-6.22.0.tgz#4f54a02d6cd66cf915280019a31d31925377ca2e"
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015-modules-amd@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.1.tgz#3b3e54017239842d6d19c3011c4bd2f00a00d154"
+  dependencies:
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
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+  version "6.26.2"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.2.tgz#58a793863a9e7ca870bdc5a881117ffac27db6f3"
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+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-types "^6.26.0"
+
+babel-plugin-transform-es2015-modules-systemjs@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.24.1.tgz#ff89a142b9119a906195f5f106ecf305d9407d23"
+  dependencies:
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+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-modules-umd@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.1.tgz#ac997e6285cd18ed6176adb607d602344ad38468"
+  dependencies:
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+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
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+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-object-super/-/babel-plugin-transform-es2015-object-super-6.24.1.tgz#24cef69ae21cb83a7f8603dad021f572eb278f8d"
+  dependencies:
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+    babel-runtime "^6.22.0"
+
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+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.24.1.tgz#57ac351ab49caf14a97cd13b09f66fdf0a625f2b"
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+    babel-helper-get-function-arity "^6.24.1"
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+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
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+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.24.1.tgz#24f875d6721c87661bbd99a4622e51f14de38aa0"
+  dependencies:
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+    babel-types "^6.24.1"
+
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+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-spread/-/babel-plugin-transform-es2015-spread-6.22.0.tgz#d6d68a99f89aedc4536c81a542e8dd9f1746f8d1"
+  dependencies:
+    babel-runtime "^6.22.0"
+
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+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.24.1.tgz#00c1cdb1aca71112cdf0cf6126c2ed6b457ccdbc"
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+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
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+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-template-literals/-/babel-plugin-transform-es2015-template-literals-6.22.0.tgz#a84b3450f7e9f8f1f6839d6d687da84bb1236d8d"
+  dependencies:
+    babel-runtime "^6.22.0"
+
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+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.23.0.tgz#dec09f1cddff94b52ac73d505c84df59dcceb372"
+  dependencies:
+    babel-runtime "^6.22.0"
+
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+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.24.1.tgz#d38b12f42ea7323f729387f18a7c5ae1faeb35e9"
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+    babel-runtime "^6.22.0"
+    regexpu-core "^2.0.0"
+
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+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz#2ab0c9c7f3098fa48907772bb813fe41e8de3a0e"
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+    babel-runtime "^6.22.0"
+
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+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz#e0703696fbde27f0a3efcacf8b4dca2f7b3a8f2f"
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+    regenerator-transform "^0.10.0"
+
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+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz#d5faf7aa578a65bbe591cf5edae04a0c67020758"
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+    babel-types "^6.24.1"
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+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-1.7.0.tgz#dea79fa4ebeb883cd35dab07e260c1c9c04df77a"
+  dependencies:
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+    babel-plugin-transform-async-to-generator "^6.22.0"
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+  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
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+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
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+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.26.0.tgz#de03e2d16396b069f46dd9fff8521fb1a0e35e02"
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+  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
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+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
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+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
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+  version "1.8.5"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
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+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
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+  version "2.2.0"
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+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
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+eslint-plugin-import@^2.7.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.8.0.tgz#fa1b6ef31fcb3c501c09859c1b86f1fc5b986894"
+  dependencies:
+    builtin-modules "^1.1.1"
+    contains-path "^0.1.0"
+    debug "^2.6.8"
+    doctrine "1.5.0"
+    eslint-import-resolver-node "^0.3.1"
+    eslint-module-utils "^2.1.1"
+    has "^1.0.1"
+    lodash.cond "^4.3.0"
+    minimatch "^3.0.3"
+    read-pkg-up "^2.0.0"
+
+eslint-scope@^3.7.1:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
+  dependencies:
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
+eslint-visitor-keys@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
+
+eslint@^4.3.0:
+  version "4.16.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.16.0.tgz#934ada9e98715e1d7bbfd6f6f0519ed2fab35cc1"
+  dependencies:
+    ajv "^5.3.0"
+    babel-code-frame "^6.22.0"
+    chalk "^2.1.0"
+    concat-stream "^1.6.0"
+    cross-spawn "^5.1.0"
+    debug "^3.1.0"
+    doctrine "^2.1.0"
+    eslint-scope "^3.7.1"
+    eslint-visitor-keys "^1.0.0"
+    espree "^3.5.2"
+    esquery "^1.0.0"
+    esutils "^2.0.2"
+    file-entry-cache "^2.0.0"
+    functional-red-black-tree "^1.0.1"
+    glob "^7.1.2"
+    globals "^11.0.1"
+    ignore "^3.3.3"
+    imurmurhash "^0.1.4"
+    inquirer "^3.0.6"
+    is-resolvable "^1.0.0"
+    js-yaml "^3.9.1"
+    json-stable-stringify-without-jsonify "^1.0.1"
+    levn "^0.3.0"
+    lodash "^4.17.4"
+    minimatch "^3.0.2"
+    mkdirp "^0.5.1"
+    natural-compare "^1.4.0"
+    optionator "^0.8.2"
+    path-is-inside "^1.0.2"
+    pluralize "^7.0.0"
+    progress "^2.0.0"
+    require-uncached "^1.0.3"
+    semver "^5.3.0"
+    strip-ansi "^4.0.0"
+    strip-json-comments "~2.0.1"
+    table "^4.0.1"
+    text-table "~0.2.0"
+
+espree@^3.5.2:
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.2.tgz#756ada8b979e9dcfcdb30aad8d1a9304a905e1ca"
+  dependencies:
+    acorn "^5.2.1"
+    acorn-jsx "^3.0.0"
+
+esprima@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
+
+esquery@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
+  dependencies:
+    estraverse "^4.0.0"
+
+esrecurse@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.0.tgz#fa9568d98d3823f9a41d91e902dcab9ea6e5b163"
+  dependencies:
+    estraverse "^4.1.0"
+    object-assign "^4.0.1"
+
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
+
+estree-walker@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.2.1.tgz#bdafe8095383d8414d5dc2ecf4c9173b6db9412e"
+
+estree-walker@^0.5.1, estree-walker@^0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.5.2.tgz#d3850be7529c9580d815600b53126515e146dd39"
+
+esutils@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
+
+expand-brackets@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
+  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"
+  dependencies:
+    fill-range "^2.1.0"
+
+external-editor@^2.0.4:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.1.0.tgz#3d026a21b7f95b5726387d4200ac160d372c3b48"
+  dependencies:
+    chardet "^0.4.0"
+    iconv-lite "^0.4.17"
+    tmp "^0.0.33"
+
+extglob@^0.3.1:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
+  dependencies:
+    is-extglob "^1.0.0"
+
+fast-deep-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
+
+fast-levenshtein@~2.0.4:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+
+figures@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
+  dependencies:
+    escape-string-regexp "^1.0.5"
+
+file-entry-cache@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
+  dependencies:
+    flat-cache "^1.2.1"
+    object-assign "^4.0.1"
+
+filename-regex@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
+
+fill-range@^2.1.0:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.4.tgz#eb1e773abb056dcd8df2bfdf6af59b8b3a936565"
+  dependencies:
+    is-number "^2.1.0"
+    isobject "^2.0.0"
+    randomatic "^3.0.0"
+    repeat-element "^1.1.2"
+    repeat-string "^1.5.2"
+
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+find-up@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
+  dependencies:
+    locate-path "^2.0.0"
+
+flat-cache@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.3.0.tgz#d3030b32b38154f4e3b7e9c709f490f7ef97c481"
+  dependencies:
+    circular-json "^0.3.1"
+    del "^2.0.2"
+    graceful-fs "^4.1.2"
+    write "^0.2.1"
+
+for-in@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+
+for-own@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
+  dependencies:
+    for-in "^1.0.1"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+function-bind@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+
+functional-red-black-tree@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
+
+glob-base@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
+  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"
+  dependencies:
+    is-glob "^2.0.0"
+
+glob@^7.0.3, glob@^7.0.5, glob@^7.1.2:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+globals@^11.0.1:
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.1.0.tgz#632644457f5f0e3ae711807183700ebf2e4633e4"
+
+globals@^9.18.0:
+  version "9.18.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
+
+globby@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-5.0.0.tgz#ebd84667ca0dbb330b99bcfc68eac2bc54370e0d"
+  dependencies:
+    array-union "^1.0.1"
+    arrify "^1.0.0"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+graceful-fs@^4.1.2:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+
+has-ansi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+has-flag@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
+
+has@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
+  dependencies:
+    function-bind "^1.0.2"
+
+home-or-tmp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.1"
+
+hosted-git-info@^2.1.4:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
+
+iconv-lite@^0.4.17:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
+
+ignore@^3.3.3:
+  version "3.3.7"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
+
+imurmurhash@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@^2.0.3, inherits@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+inquirer@^3.0.6:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.3.0.tgz#9dd2f2ad765dcab1ff0443b491442a20ba227dc9"
+  dependencies:
+    ansi-escapes "^3.0.0"
+    chalk "^2.0.0"
+    cli-cursor "^2.1.0"
+    cli-width "^2.0.0"
+    external-editor "^2.0.4"
+    figures "^2.0.0"
+    lodash "^4.3.0"
+    mute-stream "0.0.7"
+    run-async "^2.2.0"
+    rx-lite "^4.0.8"
+    rx-lite-aggregates "^4.0.8"
+    string-width "^2.1.0"
+    strip-ansi "^4.0.0"
+    through "^2.3.6"
+
+invariant@^2.2.2:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  dependencies:
+    loose-envify "^1.0.0"
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+
+is-buffer@^1.1.5:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+
+is-builtin-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  dependencies:
+    builtin-modules "^1.0.0"
+
+is-dotfile@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
+
+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"
+  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"
+
+is-extglob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
+
+is-finite@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+
+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"
+  dependencies:
+    is-extglob "^1.0.0"
+
+is-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-module/-/is-module-1.0.0.tgz#3258fb69f78c14d5b815d664336b4cffb6441591"
+
+is-number@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
+  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"
+
+is-path-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
+
+is-path-in-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-in-cwd/-/is-path-in-cwd-1.0.0.tgz#6477582b8214d602346094567003be8a9eac04dc"
+  dependencies:
+    is-path-inside "^1.0.0"
+
+is-path-inside@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-1.0.1.tgz#8ef5b7de50437a3fdca6b4e865ef7aa55cb48036"
+  dependencies:
+    path-is-inside "^1.0.1"
+
+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"
+
+is-primitive@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
+
+is-promise@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
+
+is-resolvable@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.1.tgz#acca1cd36dbe44b974b924321555a70ba03b1cf4"
+
+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"
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+
+isobject@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
+  dependencies:
+    isarray "1.0.0"
+
+"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"
+
+js-tokens@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+
+js-yaml@^3.9.1:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+jsesc@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
+
+jsesc@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+
+json-schema-traverse@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
+
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+
+json5@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
+
+kind-of@^3.0.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^6.0.0:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
+
+levn@^0.3.0, levn@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
+  dependencies:
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+
+load-json-file@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    strip-bom "^3.0.0"
+
+locate-path@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
+  dependencies:
+    p-locate "^2.0.0"
+    path-exists "^3.0.0"
+
+lodash.cond@^4.3.0:
+  version "4.5.2"
+  resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
+
+lodash@^4.17.4, lodash@^4.3.0:
+  version "4.17.4"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+
+loose-envify@^1.0.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
+  dependencies:
+    js-tokens "^3.0.0 || ^4.0.0"
+
+lru-cache@^4.0.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
+  dependencies:
+    pseudomap "^1.0.2"
+    yallist "^2.1.2"
+
+magic-string@^0.22.4:
+  version "0.22.5"
+  resolved "http://registry.npmjs.org/magic-string/-/magic-string-0.22.5.tgz#8e9cf5afddf44385c1da5bc2a6a0dbd10b03657e"
+  dependencies:
+    vlq "^0.2.2"
+
+math-random@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.1.tgz#8b3aac588b8a66e4975e3cdea67f7bb329601fac"
+
+micromatch@^2.3.11:
+  version "2.3.11"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
+  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"
+
+mimic-fn@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
+
+minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  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"
+
+mkdirp@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  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"
+
+mute-stream@0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
+
+natural-compare@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
+
+normalize-package-data@^2.3.2:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.4.0.tgz#12f95a307d58352075a04907b84ac8be98ac012f"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    is-builtin-module "^1.0.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
+normalize-path@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  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"
+
+object-assign@^4.0.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+object.omit@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
+  dependencies:
+    for-own "^0.1.4"
+    is-extendable "^0.1.1"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+onetime@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/onetime/-/onetime-2.0.1.tgz#067428230fd67443b2794b22bba528b6867962d4"
+  dependencies:
+    mimic-fn "^1.0.0"
+
+optionator@^0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
+  dependencies:
+    deep-is "~0.1.3"
+    fast-levenshtein "~2.0.4"
+    levn "~0.3.0"
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+    wordwrap "~1.0.0"
+
+os-homedir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+
+os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+
+p-limit@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.2.0.tgz#0e92b6bedcb59f022c13d0f1949dc82d15909f1c"
+  dependencies:
+    p-try "^1.0.0"
+
+p-locate@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
+  dependencies:
+    p-limit "^1.1.0"
+
+p-try@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-1.0.0.tgz#cbc79cdbaf8fd4228e13f621f2b1a237c1b207b3"
+
+parse-glob@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
+  dependencies:
+    glob-base "^0.3.0"
+    is-dotfile "^1.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.0"
+
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  dependencies:
+    error-ex "^1.2.0"
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
+path-exists@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
+
+path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+path-is-inside@^1.0.1, path-is-inside@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
+
+path-parse@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+
+path-type@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
+  dependencies:
+    pify "^2.0.0"
+
+pify@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  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"
+
+pkg-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-1.0.0.tgz#7a4b508a8d5bb2d629d447056ff4e9c9314cf3d4"
+  dependencies:
+    find-up "^1.0.0"
+
+pluralize@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
+
+prelude-ls@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
+
+preserve@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
+
+private@^0.1.6, private@^0.1.8:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
+
+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"
+
+progress@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
+
+pseudomap@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
+
+randomatic@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-3.1.0.tgz#36f2ca708e9e567f5ed2ec01949026d50aa10116"
+  dependencies:
+    is-number "^4.0.0"
+    kind-of "^6.0.0"
+    math-random "^1.0.1"
+
+read-pkg-up@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-2.0.0.tgz#6b72a8048984e0c41e79510fd5e9fa99b3b549be"
+  dependencies:
+    find-up "^2.0.0"
+    read-pkg "^2.0.0"
+
+read-pkg@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-2.0.0.tgz#8ef1c0623c6a6db0dc6713c4bfac46332b2368f8"
+  dependencies:
+    load-json-file "^2.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^2.0.0"
+
+readable-stream@^2.2.2:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.0.3"
+    util-deprecate "~1.0.1"
+
+regenerate@^1.2.1:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
+
+regenerator-runtime@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+
+regenerator-transform@^0.10.0:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
+  dependencies:
+    babel-runtime "^6.18.0"
+    babel-types "^6.19.0"
+    private "^0.1.6"
+
+regex-cache@^0.4.2:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
+  dependencies:
+    is-equal-shallow "^0.1.3"
+
+regexpu-core@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
+  dependencies:
+    regenerate "^1.2.1"
+    regjsgen "^0.2.0"
+    regjsparser "^0.1.4"
+
+regjsgen@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
+
+regjsparser@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
+  dependencies:
+    jsesc "~0.5.0"
+
+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"
+
+repeat-element@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
+
+repeat-string@^1.5.2:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  dependencies:
+    is-finite "^1.0.0"
+
+require-uncached@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
+  dependencies:
+    caller-path "^0.1.0"
+    resolve-from "^1.0.0"
+
+resolve-from@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
+
+resolve@^1.1.6:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.8.1.tgz#82f1ec19a423ac1fbd080b0bab06ba36e84a7a26"
+  dependencies:
+    path-parse "^1.0.5"
+
+resolve@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.5.0.tgz#1f09acce796c9a762579f31b2c1cc4c3cddf9f36"
+  dependencies:
+    path-parse "^1.0.5"
+
+restore-cursor@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
+  dependencies:
+    onetime "^2.0.0"
+    signal-exit "^3.0.2"
+
+rimraf@^2.2.8:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+  dependencies:
+    glob "^7.0.5"
+
+rollup-plugin-babel@^3.0.4:
+  version "3.0.7"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-3.0.7.tgz#5b13611f1ab8922497e9d15197ae5d8a23fe3b1e"
+  dependencies:
+    rollup-pluginutils "^1.5.0"
+
+rollup-plugin-commonjs@^9.1.0:
+  version "9.1.8"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-9.1.8.tgz#4113ed94e6054b5f8a3501d8811f934cadde3246"
+  dependencies:
+    estree-walker "^0.5.1"
+    magic-string "^0.22.4"
+    resolve "^1.5.0"
+    rollup-pluginutils "^2.0.1"
+
+rollup-plugin-node-resolve@^3.3.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.4.0.tgz#908585eda12e393caac7498715a01e08606abc89"
+  dependencies:
+    builtin-modules "^2.0.0"
+    is-module "^1.0.0"
+    resolve "^1.1.6"
+
+rollup-plugin-uglify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-uglify/-/rollup-plugin-uglify-3.0.0.tgz#a34eca24617709c6bf1778e9653baafa06099b86"
+  dependencies:
+    uglify-es "^3.3.7"
+
+rollup-pluginutils@^1.5.0:
+  version "1.5.2"
+  resolved "http://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
+  dependencies:
+    estree-walker "^0.2.1"
+    minimatch "^3.0.2"
+
+rollup-pluginutils@^2.0.1:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.3.3.tgz#3aad9b1eb3e7fe8262820818840bf091e5ae6794"
+  dependencies:
+    estree-walker "^0.5.2"
+    micromatch "^2.3.11"
+
+rollup@^0.58.2:
+  version "0.58.2"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.58.2.tgz#2feddea8c0c022f3e74b35c48e3c21b3433803ce"
+  dependencies:
+    "@types/estree" "0.0.38"
+    "@types/node" "*"
+
+run-async@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
+  dependencies:
+    is-promise "^2.1.0"
+
+rx-lite-aggregates@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/rx-lite-aggregates/-/rx-lite-aggregates-4.0.8.tgz#753b87a89a11c95467c4ac1626c4efc4e05c67be"
+  dependencies:
+    rx-lite "*"
+
+rx-lite@*, rx-lite@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-4.0.8.tgz#0b1e11af8bc44836f04a6407e92da42467b79444"
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
+
+"semver@2 || 3 || 4 || 5", semver@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
+
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+
+signal-exit@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
+
+slash@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
+
+slice-ansi@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-1.0.0.tgz#044f1a49d8842ff307aad6b505ed178bd950134d"
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+
+source-map-support@^0.4.15:
+  version "0.4.18"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
+  dependencies:
+    source-map "^0.5.6"
+
+source-map@^0.5.6, source-map@^0.5.7:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+
+source-map@~0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+
+spdx-correct@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
+  dependencies:
+    spdx-license-ids "^1.0.2"
+
+spdx-expression-parse@~1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz#9bdf2f20e1f40ed447fbe273266191fced51626c"
+
+spdx-license-ids@^1.0.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+
+string-width@^2.1.0, string-width@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+string_decoder@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
+  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"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+
+strip-json-comments@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+
+supports-color@^4.0.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
+  dependencies:
+    has-flag "^2.0.0"
+
+table@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
+  dependencies:
+    ajv "^5.2.3"
+    ajv-keywords "^2.1.0"
+    chalk "^2.1.0"
+    lodash "^4.17.4"
+    slice-ansi "1.0.0"
+    string-width "^2.1.1"
+
+text-table@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
+
+through@^2.3.6:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+
+tmp@^0.0.33:
+  version "0.0.33"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
+  dependencies:
+    os-tmpdir "~1.0.2"
+
+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"
+
+trim-right@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
+
+type-check@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
+  dependencies:
+    prelude-ls "~1.1.2"
+
+typedarray@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
+
+uglify-es@^3.3.7:
+  version "3.3.9"
+  resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"
+  dependencies:
+    commander "~2.13.0"
+    source-map "~0.6.1"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
+  dependencies:
+    spdx-correct "~1.0.0"
+    spdx-expression-parse "~1.0.0"
+
+vlq@^0.2.2:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/vlq/-/vlq-0.2.3.tgz#8f3e4328cf63b1540c0d67e1b2778386f8975b26"
+
+which@^1.2.9:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
+  dependencies:
+    isexe "^2.0.0"
+
+wordwrap@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+
+write@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
+  dependencies:
+    mkdirp "^0.5.1"
+
+yallist@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"