Add prettier and format js files

21 files changed, 388 insertions, 343 deletions

diff --git a/frontend/package.json b/frontend/package.json
index 41146d21..4c10e520 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -4,6 +4,7 @@
   "private": true,
   "devDependencies": {
     "babel-polyfill": "latest",
+    "prettier": "^1.3.1",
     "react-scripts": "^1.0.1"
   },
   "dependencies": {
@@ -30,7 +31,8 @@
     "build": "react-scripts build",
     "test": "react-scripts test --env=jsdom",
     "test:oneshot": "set CI=true && react-scripts test --env=jsdom",
-    "eject": "react-scripts eject"
+    "eject": "react-scripts eject",
+    "prettier": "prettier --write '{src,__{tests,mocks}__}/**/*.js'"
   },
   "eslintConfig": {
     "extends": "react-app"
diff --git a/frontend/src/components/gameList.js b/frontend/src/components/gameList.js
index b4167927..e1d011e1 100644
--- a/frontend/src/components/gameList.js
+++ b/frontend/src/components/gameList.js
@@ -1,20 +1,22 @@
-import React from 'react'
-import { Flex } from 'reflexbox'
-import { Text, Space, Button } from 'rebass'
-import Immutable from 'seamless-immutable'
+import React from "react";
+import { Flex } from "reflexbox";
+import { Text, Space, Button } from "rebass";
+import Immutable from "seamless-immutable";
 
-const GameList = (props) => (
+const GameList = props => (
   <div>
     {Immutable.asMutable(props.games).map((game, index) => {
-      const joinGame = () => props.joinGame(game.id)
+      const joinGame = () => props.joinGame(game.id);
 
-      return (<Flex key={index}>
-        <Text>{game.name}</Text>
-        <Space auto />
-        <Button onClick={joinGame}>Join</Button>
-      </Flex>)
+      return (
+        <Flex key={index}>
+          <Text>{game.name}</Text>
+          <Space auto />
+          <Button onClick={joinGame}>Join</Button>
+        </Flex>
+      );
     })}
   </div>
-)
+);
 
-export default GameList
+export default GameList;
diff --git a/frontend/src/components/modals/username.js b/frontend/src/components/modals/username.js
index 61b52114..826bce85 100644
--- a/frontend/src/components/modals/username.js
+++ b/frontend/src/components/modals/username.js
@@ -1,4 +1,4 @@
-import React from 'react'
+import React from "react";
 import {
   Overlay,
   Panel,
@@ -8,15 +8,15 @@ import {
   Input,
   Close,
   Space
-} from 'rebass'
+} from "rebass";
 
 const Modal = ({ modalOpen, toggleModal }) => (
-  <Overlay open={modalOpen} onDismiss={toggleModal('usernameModal')}>
+  <Overlay open={modalOpen} onDismiss={toggleModal("usernameModal")}>
     <Panel theme="info">
       <PanelHeader>
         What's your username ?
         <Space auto />
-        <Close onClick={toggleModal('usernameModal')} />
+        <Close onClick={toggleModal("usernameModal")} />
       </PanelHeader>
       <Input
         label="Username"
@@ -29,12 +29,12 @@ const Modal = ({ modalOpen, toggleModal }) => (
         <Space auto />
         <Button
           theme="success"
-          onClick={toggleModal('usernameModal')}
+          onClick={toggleModal("usernameModal")}
           children="Ok"
         />
       </PanelFooter>
     </Panel>
   </Overlay>
-)
+);
 
-export default Modal
+export default Modal;
diff --git a/frontend/src/components/playerList.js b/frontend/src/components/playerList.js
index 70e8b1f6..b7f6e7c3 100644
--- a/frontend/src/components/playerList.js
+++ b/frontend/src/components/playerList.js
@@ -1,17 +1,19 @@
-import React from 'react'
-import { Flex } from 'reflexbox'
-import { Text } from 'rebass'
-import Immutable from 'seamless-immutable'
+import React from "react";
+import { Flex } from "reflexbox";
+import { Text } from "rebass";
+import Immutable from "seamless-immutable";
 
-const PlayerList = (props) => (
+const PlayerList = props => (
   <div>
     {Immutable.asMutable(props.players).map(player => {
-      return (<Flex key={player.index}>
-        <Text>{player.displayName}</Text>
-        <Text>({player.username})</Text>
-      </Flex>)
+      return (
+        <Flex key={player.index}>
+          <Text>{player.displayName}</Text>
+          <Text>({player.username})</Text>
+        </Flex>
+      );
     })}
   </div>
-)
+);
 
-export default PlayerList
+export default PlayerList;
diff --git a/frontend/src/containers/home.js b/frontend/src/containers/home.js
index 78ff5e6e..40c2efb3 100644
--- a/frontend/src/containers/home.js
+++ b/frontend/src/containers/home.js
@@ -1,16 +1,15 @@
-import React, { Component } from 'react'
-import { connect } from 'react-redux'
-import { Button, Container, Input } from 'rebass'
-import { actions } from '../redux/players'
+import React, { Component } from "react";
+import { connect } from "react-redux";
+import { Button, Container, Input } from "rebass";
+import { actions } from "../redux/players";
 
 class HomePage extends Component {
-
-  play = (e) => {
-    e.preventDefault()
+  play = e => {
+    e.preventDefault();
     if (this._username !== undefined) {
-      this.props.chooseUsername(this._username)
+      this.props.chooseUsername(this._username);
     }
-  }
+  };
 
   render() {
     return (
@@ -20,24 +19,20 @@ class HomePage extends Component {
           label="Username"
           placeholder="Username"
           hideLabel
-          onChange={(e) => this._username = e.target.value}
+          onChange={e => (this._username = e.target.value)}
         />
-        <Button
-          backgroundColor="primary"
-          color="white"
-          big
-          onClick={this.play}>
+        <Button backgroundColor="primary" color="white" big onClick={this.play}>
           PLAY NOW!
         </Button>
       </Container>
-    )
+    );
   }
 }
 
-const mapStateToProps = (state) => ({})
+const mapStateToProps = state => ({});
 
 const mapDispatchToProps = {
   chooseUsername: actions.chooseUsername
-}
+};
 
-export default connect(mapStateToProps, mapDispatchToProps)(HomePage)
+export default connect(mapStateToProps, mapDispatchToProps)(HomePage);
diff --git a/frontend/src/layouts/HomeLayout.js b/frontend/src/layouts/HomeLayout.js
index 76236383..77231c77 100644
--- a/frontend/src/layouts/HomeLayout.js
+++ b/frontend/src/layouts/HomeLayout.js
@@ -1,19 +1,20 @@
-import React from 'react'
-import { Banner } from 'rebass'
-import logo from './logo-7-wonders.png'
-import background from './background-zeus-temple.jpg'
-import ReduxToastr from 'react-redux-toastr'
+import React from "react";
+import { Banner } from "rebass";
+import logo from "./logo-7-wonders.png";
+import background from "./background-zeus-temple.jpg";
+import ReduxToastr from "react-redux-toastr";
 
-export default (props) => (
+export default props => (
   <div>
     <Banner align="center" backgroundImage={background}>
-      <img src={logo} alt="Seven Wonders"/>
+      <img src={logo} alt="Seven Wonders" />
       {props.children}
     </Banner>
     <ReduxToastr
       timeOut={4000}
       preventDuplicates
       position="bottom-left"
-      progressBar/>
+      progressBar
+    />
   </div>
-)
+);
diff --git a/frontend/src/layouts/LobbyLayout.js b/frontend/src/layouts/LobbyLayout.js
index dba3d589..84d3998f 100644
--- a/frontend/src/layouts/LobbyLayout.js
+++ b/frontend/src/layouts/LobbyLayout.js
@@ -1,22 +1,23 @@
-import React from 'react'
-import { Banner } from 'rebass'
-import logo from './logo-7-wonders.png'
-import ReduxToastr from 'react-redux-toastr'
+import React from "react";
+import { Banner } from "rebass";
+import logo from "./logo-7-wonders.png";
+import ReduxToastr from "react-redux-toastr";
 
-export default (props) => (
+export default props => (
   <div>
     <Banner
       align="center"
-      style={{minHeight: '30vh', marginBottom: 0}}
+      style={{ minHeight: "30vh", marginBottom: 0 }}
       backgroundImage="https://images.unsplash.com/photo-1431207446535-a9296cf995b1?dpr=1&auto=format&fit=crop&w=1199&h=799&q=80&cs=tinysrgb&crop="
     >
-      <img src={logo} alt="Seven Wonders Logo"/>
+      <img src={logo} alt="Seven Wonders Logo" />
     </Banner>
     {props.children}
     <ReduxToastr
       timeOut={4000}
       preventDuplicates
       position="bottom-left"
-      progressBar/>
+      progressBar
+    />
   </div>
-)
+);
diff --git a/frontend/src/layouts/index.js b/frontend/src/layouts/index.js
index 0413b647..f09b2a20 100644
--- a/frontend/src/layouts/index.js
+++ b/frontend/src/layouts/index.js
@@ -1,2 +1,2 @@
-export { default as HomeLayout } from './HomeLayout'
-export { default as LobbyLayout } from './LobbyLayout'
+export { default as HomeLayout } from "./HomeLayout";
+export { default as LobbyLayout } from "./LobbyLayout";
diff --git a/frontend/src/reducers.js b/frontend/src/reducers.js
index f5063ac1..a5d4a9fd 100644
--- a/frontend/src/reducers.js
+++ b/frontend/src/reducers.js
@@ -1,9 +1,9 @@
-import { combineReducers, routerReducer } from 'redux-seamless-immutable'
-import { reducer as toastrReducer } from 'react-redux-toastr'
+import { combineReducers, routerReducer } from "redux-seamless-immutable";
+import { reducer as toastrReducer } from "react-redux-toastr";
 
-import errorsReducer from './redux/errors'
-import gamesReducer from './redux/games'
-import playersReducer from './redux/players'
+import errorsReducer from "./redux/errors";
+import gamesReducer from "./redux/games";
+import playersReducer from "./redux/players";
 
 export default function createReducer() {
   return combineReducers({
@@ -12,5 +12,5 @@ export default function createReducer() {
     players: playersReducer,
     routing: routerReducer,
     toastr: toastrReducer
-  })
+  });
 }
diff --git a/frontend/src/redux/app.js b/frontend/src/redux/app.js
index 251b12a2..d24fbbfd 100644
--- a/frontend/src/redux/app.js
+++ b/frontend/src/redux/app.js
@@ -1,5 +1,5 @@
 export const makeSelectLocationState = () => {
-  return (state) => {
-    return state.routing
-  }
-}
+  return state => {
+    return state.routing;
+  };
+};
diff --git a/frontend/src/redux/errors.js b/frontend/src/redux/errors.js
index 7d113db1..eb807fdc 100644
--- a/frontend/src/redux/errors.js
+++ b/frontend/src/redux/errors.js
@@ -1,37 +1,40 @@
-import Immutable from 'seamless-immutable'
+import Immutable from "seamless-immutable";
 
 export const types = {
-  ERROR_RECEIVED_ON_WS: 'ERROR/RECEIVED_ON_WS',
-}
+  ERROR_RECEIVED_ON_WS: "ERROR/RECEIVED_ON_WS"
+};
 
 export const actions = {
-  errorReceived: (error) => ({
+  errorReceived: error => ({
     type: types.ERROR_RECEIVED_ON_WS,
     error
-  }),
-}
+  })
+};
 
 const initialState = Immutable.from({
   nextId: 0,
   history: []
-})
+});
 
 export default (state = initialState, action) => {
   switch (action.type) {
     case types.ERROR_RECEIVED_ON_WS:
-      let error = Object.assign({id: state.nextId, timestamp: new Date()}, action.error);
-      let newState = state.set('nextId', state.nextId + 1)
-      newState = addErrorToHistory(newState, error)
-      return newState
+      let error = Object.assign(
+        { id: state.nextId, timestamp: new Date() },
+        action.error
+      );
+      let newState = state.set("nextId", state.nextId + 1);
+      newState = addErrorToHistory(newState, error);
+      return newState;
     default:
-      return state
+      return state;
   }
-}
+};
 
 function addErrorToHistory(state, error) {
-  return addToArray(state, 'history', error);
+  return addToArray(state, "history", error);
 }
 
 function addToArray(state, arrayKey, element) {
-  return state.set(arrayKey, state[arrayKey].concat([ element ]));
+  return state.set(arrayKey, state[arrayKey].concat([element]));
 }
diff --git a/frontend/src/redux/games.js b/frontend/src/redux/games.js
index 2986de07..a7115dcc 100644
--- a/frontend/src/redux/games.js
+++ b/frontend/src/redux/games.js
@@ -1,43 +1,46 @@
-import Immutable from 'seamless-immutable'
+import Immutable from "seamless-immutable";
 
 export const types = {
-  UPDATE_GAMES: 'GAME/UPDATE_GAMES',
-  REQUEST_CREATE_GAME: 'GAME/REQUEST_CREATE_GAME',
-  REQUEST_JOIN_GAME: 'GAME/REQUEST_JOIN_GAME',
-  REQUEST_START_GAME: 'GAME/REQUEST_JOIN_GAME',
-  ENTER_LOBBY: 'GAME/ENTER_LOBBY',
-  ENTER_GAME: 'GAME/ENTER_GAME',
-}
+  UPDATE_GAMES: "GAME/UPDATE_GAMES",
+  REQUEST_CREATE_GAME: "GAME/REQUEST_CREATE_GAME",
+  REQUEST_JOIN_GAME: "GAME/REQUEST_JOIN_GAME",
+  REQUEST_START_GAME: "GAME/REQUEST_JOIN_GAME",
+  ENTER_LOBBY: "GAME/ENTER_LOBBY",
+  ENTER_GAME: "GAME/ENTER_GAME"
+};
 
 export const actions = {
-  updateGames: (games) => ({ type: types.UPDATE_GAMES, games: Immutable(games) }),
-  requestJoinGame: (gameId) => ({ type: types.REQUEST_JOIN_GAME, gameId }),
-  requestCreateGame: (gameName) => ({ type: types.REQUEST_CREATE_GAME, gameName }),
+  updateGames: games => ({ type: types.UPDATE_GAMES, games: Immutable(games) }),
+  requestJoinGame: gameId => ({ type: types.REQUEST_JOIN_GAME, gameId }),
+  requestCreateGame: gameName => ({
+    type: types.REQUEST_CREATE_GAME,
+    gameName
+  }),
   requestStartGame: () => ({ type: types.REQUEST_START_GAME }),
-  enterLobby: (lobby) => ({ type: types.ENTER_LOBBY, lobby: Immutable(lobby) }),
-  enterGame: () => ({ type: types.ENTER_GAME }),
-}
+  enterLobby: lobby => ({ type: types.ENTER_LOBBY, lobby: Immutable(lobby) }),
+  enterGame: () => ({ type: types.ENTER_GAME })
+};
 
 const initialState = Immutable.from({
   all: {},
-  current: ''
-})
+  current: ""
+});
 
 export default (state = initialState, action) => {
   switch (action.type) {
     case types.UPDATE_GAMES:
-      return Immutable.merge(state, {all: action.games}, {deep: true})
+      return Immutable.merge(state, { all: action.games }, { deep: true });
     case types.ENTER_LOBBY:
-      return state.set('current', action.lobby.id)
+      return state.set("current", action.lobby.id);
     default:
-      return state
+      return state;
   }
-}
+};
 
-export const getAllGamesById = state => state.games.all
+export const getAllGamesById = state => state.games.all;
 export const getAllGames = state => {
-  let gamesById = getAllGamesById(state)
+  let gamesById = getAllGamesById(state);
   return Object.keys(gamesById).map(k => gamesById[k]);
-}
-export const getGame = (state, id) => getAllGamesById(state)[id]
-export const getCurrentGame = state => getGame(state, state.games.current)
+};
+export const getGame = (state, id) => getAllGamesById(state)[id];
+export const getCurrentGame = state => getGame(state, state.games.current);
diff --git a/frontend/src/redux/players.js b/frontend/src/redux/players.js
index 2b530ca1..4016076f 100644
--- a/frontend/src/redux/players.js
+++ b/frontend/src/redux/players.js
@@ -1,44 +1,46 @@
-import Immutable from 'seamless-immutable'
+import Immutable from "seamless-immutable";
 
 export const types = {
-  REQUEST_CHOOSE_USERNAME: 'USER/REQUEST_CHOOSE_USERNAME',
-  SET_CURRENT_PLAYER: 'USER/SET_CURRENT_PLAYER',
-  UPDATE_PLAYERS: 'USER/UPDATE_PLAYERS'
-}
+  REQUEST_CHOOSE_USERNAME: "USER/REQUEST_CHOOSE_USERNAME",
+  SET_CURRENT_PLAYER: "USER/SET_CURRENT_PLAYER",
+  UPDATE_PLAYERS: "USER/UPDATE_PLAYERS"
+};
 
 export const actions = {
-  chooseUsername: (username) => ({
+  chooseUsername: username => ({
     type: types.REQUEST_CHOOSE_USERNAME,
     username
   }),
-  setCurrentPlayer: (player) => ({
+  setCurrentPlayer: player => ({
     type: types.SET_CURRENT_PLAYER,
     player
   }),
-  updatePlayers: (players) => ({
+  updatePlayers: players => ({
     type: types.UPDATE_PLAYERS,
     players
-  }),
-}
+  })
+};
 
 const initialState = Immutable.from({
   all: {},
-  current: ''
-})
+  current: ""
+});
 
 export default (state = initialState, action) => {
   switch (action.type) {
     case types.SET_CURRENT_PLAYER:
-      const player = action.player
-      const withNewPlayer = state.setIn(['all', player.username], player)
-      return Immutable.set(withNewPlayer, 'current', player.username)
+      const player = action.player;
+      const withNewPlayer = state.setIn(["all", player.username], player);
+      return Immutable.set(withNewPlayer, "current", player.username);
     case types.UPDATE_PLAYERS:
-      return Immutable.merge(state, {all: action.players}, {deep: true})
+      return Immutable.merge(state, { all: action.players }, { deep: true });
     default:
-      return state
+      return state;
   }
-}
+};
 
-export const getCurrentPlayer = state => state.players.all && state.players.all[state.players.current]
-export const getPlayer = (state, username) => state.players.all[username]
-export const getPlayers = (state, usernames) => usernames.map(u => getPlayer(state, u))
+export const getCurrentPlayer = state =>
+  state.players.all && state.players.all[state.players.current];
+export const getPlayer = (state, username) => state.players.all[username];
+export const getPlayers = (state, usernames) =>
+  usernames.map(u => getPlayer(state, u));
diff --git a/frontend/src/sagas.js b/frontend/src/sagas.js
index c5166cd5..ff66453e 100644
--- a/frontend/src/sagas.js
+++ b/frontend/src/sagas.js
@@ -1,18 +1,18 @@
-import { router } from 'redux-saga-router'
-import { call, fork } from 'redux-saga/effects'
+import { router } from "redux-saga-router";
+import { call, fork } from "redux-saga/effects";
 
-import { makeSagaRoutes } from './routes'
-import { createWsConnection } from './utils/websocket'
-import errorHandlingSaga from './sagas/errors'
+import { makeSagaRoutes } from "./routes";
+import { createWsConnection } from "./utils/websocket";
+import errorHandlingSaga from "./sagas/errors";
 
-export default function *rootSaga(history) {
-  let wsConnection
+export default function* rootSaga(history) {
+  let wsConnection;
   try {
-    wsConnection = yield call(createWsConnection)
+    wsConnection = yield call(createWsConnection);
   } catch (error) {
-    console.error('Could not connect to socket')
-    return
+    console.error("Could not connect to socket");
+    return;
   }
-  yield fork(errorHandlingSaga, wsConnection)
-  yield* router(history, makeSagaRoutes(wsConnection))
+  yield fork(errorHandlingSaga, wsConnection);
+  yield* router(history, makeSagaRoutes(wsConnection));
 }
diff --git a/frontend/src/sagas/errors.js b/frontend/src/sagas/errors.js
index ba1ae40d..42994610 100644
--- a/frontend/src/sagas/errors.js
+++ b/frontend/src/sagas/errors.js
@@ -1,36 +1,40 @@
-import { apply, call, cancelled, put, take } from 'redux-saga/effects'
+import { apply, call, cancelled, put, take } from "redux-saga/effects";
 
-import { createSubscriptionChannel } from '../utils/websocket'
-import { actions } from '../redux/errors'
+import { createSubscriptionChannel } from "../utils/websocket";
+import { actions } from "../redux/errors";
 
-import {toastr} from 'react-redux-toastr'
+import { toastr } from "react-redux-toastr";
 
-export default function *errorHandlingSaga({ socket }) {
-  const errorChannel = yield call(createSubscriptionChannel, socket, '/user/queue/errors')
+export default function* errorHandlingSaga({ socket }) {
+  const errorChannel = yield call(
+    createSubscriptionChannel,
+    socket,
+    "/user/queue/errors"
+  );
   try {
     while (true) {
-      const error = yield take(errorChannel)
-      yield* handleOneError(error)
+      const error = yield take(errorChannel);
+      yield* handleOneError(error);
     }
   } finally {
     if (yield cancelled()) {
-      console.log('Error management saga cancelled')
-      yield apply(errorChannel, errorChannel.close)
+      console.log("Error management saga cancelled");
+      yield apply(errorChannel, errorChannel.close);
     }
   }
 }
 
-function *handleOneError(err) {
-  console.error("Error received on web socket channel", err)
-  const msg = buildMsg(err)
-  yield apply(toastr, toastr.error, [msg, {icon: 'error'}])
-  yield put(actions.errorReceived(err))
+function* handleOneError(err) {
+  console.error("Error received on web socket channel", err);
+  const msg = buildMsg(err);
+  yield apply(toastr, toastr.error, [msg, { icon: "error" }]);
+  yield put(actions.errorReceived(err));
 }
 
 function buildMsg(err) {
   if (err.details.length > 0) {
-    return err.details.map(d => d.message).join('\n')
+    return err.details.map(d => d.message).join("\n");
   } else {
-    return err.message
+    return err.message;
   }
 }
diff --git a/frontend/src/sagas/home.js b/frontend/src/sagas/home.js
index 151fcb57..15f95162 100644
--- a/frontend/src/sagas/home.js
+++ b/frontend/src/sagas/home.js
@@ -1,32 +1,39 @@
-import { apply, call, put, take } from 'redux-saga/effects'
-import { createSubscriptionChannel } from '../utils/websocket'
-import { push } from 'react-router-redux'
+import { apply, call, put, take } from "redux-saga/effects";
+import { createSubscriptionChannel } from "../utils/websocket";
+import { push } from "react-router-redux";
 
-import { actions, types } from '../redux/players'
+import { actions, types } from "../redux/players";
 
-function *sendUsername({ socket }) {
+function* sendUsername({ socket }) {
   while (true) {
-    const {username} = yield take(types.REQUEST_CHOOSE_USERNAME)
-    yield apply(socket, socket.send, ['/app/chooseName', JSON.stringify({playerName: username})])
+    const { username } = yield take(types.REQUEST_CHOOSE_USERNAME);
+    yield apply(socket, socket.send, [
+      "/app/chooseName",
+      JSON.stringify({ playerName: username })
+    ]);
   }
 }
 
-function *validateUsername({ socket }) {
-  const usernameChannel = yield call(createSubscriptionChannel, socket, '/user/queue/nameChoice')
+function* validateUsername({ socket }) {
+  const usernameChannel = yield call(
+    createSubscriptionChannel,
+    socket,
+    "/user/queue/nameChoice"
+  );
   while (true) {
-    const user = yield take(usernameChannel)
-    yield put(actions.setCurrentPlayer(user))
-    yield apply(usernameChannel, usernameChannel.close)
-    yield put(push('/games'))
+    const user = yield take(usernameChannel);
+    yield put(actions.setCurrentPlayer(user));
+    yield apply(usernameChannel, usernameChannel.close);
+    yield put(push("/games"));
   }
 }
 
-function *usernameChoiceSaga(wsConnection) {
+function* usernameChoiceSaga(wsConnection) {
   // TODO: Run sendUsername in loop when we have the ability to cancel saga on route change
   yield [
     call(sendUsername, wsConnection),
-    call(validateUsername, wsConnection),
-  ]
+    call(validateUsername, wsConnection)
+  ];
 }
 
-export default usernameChoiceSaga
+export default usernameChoiceSaga;
diff --git a/frontend/src/sagas/lobby.js b/frontend/src/sagas/lobby.js
index f002c897..f092fdb7 100644
--- a/frontend/src/sagas/lobby.js
+++ b/frontend/src/sagas/lobby.js
@@ -1,58 +1,66 @@
-import { call, put, take, apply } from 'redux-saga/effects'
-import { createSubscriptionChannel } from '../utils/websocket'
-import { push } from 'react-router-redux'
+import { call, put, take, apply } from "redux-saga/effects";
+import { createSubscriptionChannel } from "../utils/websocket";
+import { push } from "react-router-redux";
 
-import { normalize } from 'normalizr'
-import { game as gameSchema } from '../schemas/games'
+import { normalize } from "normalizr";
+import { game as gameSchema } from "../schemas/games";
 
-import { actions as gameActions, types } from '../redux/games'
-import { actions as playerActions } from '../redux/players'
+import { actions as gameActions, types } from "../redux/games";
+import { actions as playerActions } from "../redux/players";
 
 function getCurrentGameId() {
-  const path = window.location.pathname
-  return path.split('lobby/')[1]
+  const path = window.location.pathname;
+  return path.split("lobby/")[1];
 }
 
-function *watchLobbyUpdates({ socket }) {
-  const currentGameId = getCurrentGameId()
-  const lobbyUpdatesChannel = yield call(createSubscriptionChannel, socket, `/topic/lobby/${currentGameId}/updated`)
+function* watchLobbyUpdates({ socket }) {
+  const currentGameId = getCurrentGameId();
+  const lobbyUpdatesChannel = yield call(
+    createSubscriptionChannel,
+    socket,
+    `/topic/lobby/${currentGameId}/updated`
+  );
   try {
     while (true) {
-      const lobby = yield take(lobbyUpdatesChannel)
-      const normalized = normalize(lobby, gameSchema)
-      yield put(gameActions.updateGames(normalized.entities.games))
-      yield put(playerActions.updatePlayers(normalized.entities.players))
+      const lobby = yield take(lobbyUpdatesChannel);
+      const normalized = normalize(lobby, gameSchema);
+      yield put(gameActions.updateGames(normalized.entities.games));
+      yield put(playerActions.updatePlayers(normalized.entities.players));
     }
   } finally {
-    yield apply(lobbyUpdatesChannel, lobbyUpdatesChannel.close)
+    yield apply(lobbyUpdatesChannel, lobbyUpdatesChannel.close);
   }
 }
 
-function *watchGameStart({ socket }) {
-  const currentGameId = getCurrentGameId()
-  const gameStartedChannel = yield call(createSubscriptionChannel, socket, `/topic/lobby/${currentGameId}/started`)
+function* watchGameStart({ socket }) {
+  const currentGameId = getCurrentGameId();
+  const gameStartedChannel = yield call(
+    createSubscriptionChannel,
+    socket,
+    `/topic/lobby/${currentGameId}/started`
+  );
   try {
-    yield take(gameStartedChannel)
-    yield put(gameActions.enterGame())
-    yield put(push('/game'))
+    yield take(gameStartedChannel);
+    yield put(gameActions.enterGame());
+    yield put(push("/game"));
   } finally {
-    yield apply(gameStartedChannel, gameStartedChannel.close)
+    yield apply(gameStartedChannel, gameStartedChannel.close);
   }
 }
 
-function *startGame({ socket }) {
+function* startGame({ socket }) {
   while (true) {
-    yield take(types.REQUEST_START_GAME)
-    yield apply(socket, socket.send, ['/app/lobby/startGame', {}])
+    yield take(types.REQUEST_START_GAME);
+    yield apply(socket, socket.send, ["/app/lobby/startGame", {}]);
   }
 }
 
-function *lobbySaga(socketConnection) {
+function* lobbySaga(socketConnection) {
   yield [
     call(watchLobbyUpdates, socketConnection),
     call(watchGameStart, socketConnection),
     call(startGame, socketConnection)
-  ]
+  ];
 }
 
-export default lobbySaga
+export default lobbySaga;
diff --git a/frontend/src/schemas/games.js b/frontend/src/schemas/games.js
index f7a9ffb8..9c9681da 100644
--- a/frontend/src/schemas/games.js
+++ b/frontend/src/schemas/games.js
@@ -1,11 +1,15 @@
-import { schema } from 'normalizr'
+import { schema } from "normalizr";
 
-const player = new schema.Entity('players', {}, {
-  idAttribute: 'username'
-})
+const player = new schema.Entity(
+  "players",
+  {},
+  {
+    idAttribute: "username"
+  }
+);
 
-export const game = new schema.Entity('games', {
-  players: [ player ]
-})
+export const game = new schema.Entity("games", {
+  players: [player]
+});
 
-export const gameList = [ game ]
+export const gameList = [game];
diff --git a/frontend/src/store.js b/frontend/src/store.js
index bd05e2c5..ef9038eb 100644
--- a/frontend/src/store.js
+++ b/frontend/src/store.js
@@ -1,43 +1,38 @@
-import { createStore, applyMiddleware, compose } from 'redux'
-import { browserHistory } from 'react-router'
-import { syncHistoryWithStore, routerMiddleware } from 'react-router-redux'
-import Immutable from 'seamless-immutable'
+import { createStore, applyMiddleware, compose } from "redux";
+import { browserHistory } from "react-router";
+import { syncHistoryWithStore, routerMiddleware } from "react-router-redux";
+import Immutable from "seamless-immutable";
 
-import createReducer from './reducers'
-import createSagaMiddleware from 'redux-saga'
-import rootSaga from './sagas'
-import { makeSelectLocationState } from './redux/app'
+import createReducer from "./reducers";
+import createSagaMiddleware from "redux-saga";
+import rootSaga from "./sagas";
+import { makeSelectLocationState } from "./redux/app";
 
 export default function configureStore(initialState = {}) {
-  const sagaMiddleware = createSagaMiddleware()
+  const sagaMiddleware = createSagaMiddleware();
 
-  const middlewares = [
-    sagaMiddleware,
-    routerMiddleware(browserHistory)
-  ]
+  const middlewares = [sagaMiddleware, routerMiddleware(browserHistory)];
 
-  const enhancers = [
-    applyMiddleware(...middlewares)
-  ]
+  const enhancers = [applyMiddleware(...middlewares)];
 
-  const composeEnhancers =
-    process.env.NODE_ENV !== 'production' &&
-    typeof window === 'object' &&
-    window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ ?
-      window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ : compose;
+  const composeEnhancers = process.env.NODE_ENV !== "production" &&
+    typeof window === "object" &&
+    window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__
+    ? window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__
+    : compose;
 
   const store = createStore(
     createReducer(),
     Immutable.from(initialState),
     composeEnhancers(...enhancers)
-  )
+  );
 
-  sagaMiddleware.run(rootSaga, browserHistory)
+  sagaMiddleware.run(rootSaga, browserHistory);
 
   return {
     store,
     history: syncHistoryWithStore(browserHistory, store, {
       selectLocationState: makeSelectLocationState()
     })
-  }
+  };
 }
diff --git a/frontend/src/utils/websocket.js b/frontend/src/utils/websocket.js
index 1dde5397..6db91899 100644
--- a/frontend/src/utils/websocket.js
+++ b/frontend/src/utils/websocket.js
@@ -1,23 +1,28 @@
-import SockJS from 'sockjs-client'
-import Stomp from 'webstomp-client'
-import { eventChannel } from 'redux-saga'
+import SockJS from "sockjs-client";
+import Stomp from "webstomp-client";
+import { eventChannel } from "redux-saga";
 
-const wsURL = '/seven-wonders-websocket'
+const wsURL = "/seven-wonders-websocket";
 
-export const createWsConnection = (headers = {}) => new Promise((resolve, reject) => {
+export const createWsConnection = (headers = {}) =>
+  new Promise((resolve, reject) => {
     let socket = Stomp.over(new SockJS(wsURL), {
       debug: process.env.NODE_ENV !== "production"
-    })
-    socket.connect(headers, (frame) => {
-      return resolve({ frame, socket })
-    }, reject)
-})
+    });
+    socket.connect(
+      headers,
+      frame => {
+        return resolve({ frame, socket });
+      },
+      reject
+    );
+  });
 
 export const createSubscriptionChannel = (socket, path) => {
   return eventChannel(emitter => {
     const receiveUsernameHandler = socket.subscribe(path, event => {
-      emitter(JSON.parse(event.body))
-    })
-    return () => receiveUsernameHandler.unsubscribe()
-  })
-}
+      emitter(JSON.parse(event.body));
+    });
+    return () => receiveUsernameHandler.unsubscribe();
+  });
+};
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index f85e7217..940a6292 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -62,20 +62,13 @@ ajv-keywords@^1.0.0, ajv-keywords@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.2.0.tgz#676c4f087bfe1e8b12dca6fda2f3c74f417b099c"
 
-ajv@^4.11.2:
+ajv@^4.11.2, ajv@^4.7.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
   dependencies:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-ajv@^4.7.0:
-  version "4.9.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.9.2.tgz#3f7dcda95b0c34bceb2d69945117d146219f1a2c"
-  dependencies:
-    co "^4.6.0"
-    json-stable-stringify "^1.0.1"
-
 ajv@^5.0.0:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.1.2.tgz#c2be11aff5de51613592913bc820224906da84a1"
@@ -268,6 +261,10 @@ ast-types-flow@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/ast-types-flow/-/ast-types-flow-0.0.7.tgz#f70b735c6bca1a5c9c22d982c3e39e7feba3bdad"
 
+ast-types@0.9.8:
+  version "0.9.8"
+  resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.9.8.tgz#6cb6a40beba31f49f20928e28439fc14a3dab078"
+
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -330,7 +327,7 @@ babel-code-frame@6.22.0, babel-code-frame@^6.11.0, babel-code-frame@^6.16.0, bab
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-babel-core@6.24.1, babel-core@^6.24.1:
+babel-core@6.24.1, babel-core@^6.0.0, babel-core@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.24.1.tgz#8c428564dce1e1f41fb337ec34f4c3b022b5ad83"
   dependencies:
@@ -354,30 +351,6 @@ babel-core@6.24.1, babel-core@^6.24.1:
     slash "^1.0.0"
     source-map "^0.5.0"
 
-babel-core@^6.0.0:
-  version "6.22.1"
-  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.22.1.tgz#9c5fd658ba1772d28d721f6d25d968fc7ae21648"
-  dependencies:
-    babel-code-frame "^6.22.0"
-    babel-generator "^6.22.0"
-    babel-helpers "^6.22.0"
-    babel-messages "^6.22.0"
-    babel-register "^6.22.0"
-    babel-runtime "^6.22.0"
-    babel-template "^6.22.0"
-    babel-traverse "^6.22.1"
-    babel-types "^6.22.0"
-    babylon "^6.11.0"
-    convert-source-map "^1.1.0"
-    debug "^2.1.1"
-    json5 "^0.5.0"
-    lodash "^4.2.0"
-    minimatch "^3.0.2"
-    path-is-absolute "^1.0.0"
-    private "^0.1.6"
-    slash "^1.0.0"
-    source-map "^0.5.0"
-
 babel-eslint@7.2.3:
   version "7.2.3"
   resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-7.2.3.tgz#b2fe2d80126470f5c19442dc757253a897710827"
@@ -387,7 +360,7 @@ babel-eslint@7.2.3:
     babel-types "^6.23.0"
     babylon "^6.17.0"
 
-babel-generator@^6.18.0, babel-generator@^6.22.0, babel-generator@^6.24.1:
+babel-generator@^6.18.0, babel-generator@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.24.1.tgz#e715f486c58ded25649d888944d52aa07c5d9497"
   dependencies:
@@ -502,7 +475,7 @@ babel-helper-replace-supers@^6.24.1:
     babel-traverse "^6.24.1"
     babel-types "^6.24.1"
 
-babel-helpers@^6.22.0, babel-helpers@^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:
@@ -525,7 +498,7 @@ babel-loader@7.0.0:
     loader-utils "^1.0.2"
     mkdirp "^0.5.1"
 
-babel-messages@^6.22.0, babel-messages@^6.23.0:
+babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
   dependencies:
@@ -931,7 +904,7 @@ babel-preset-react@6.24.1:
     babel-plugin-transform-react-jsx-source "^6.22.0"
     babel-preset-flow "^6.23.0"
 
-babel-register@^6.22.0, babel-register@^6.24.1:
+babel-register@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.24.1.tgz#7e10e13a2f71065bdfad5a1787ba45bca6ded75f"
   dependencies:
@@ -943,7 +916,7 @@ babel-register@^6.22.0, babel-register@^6.24.1:
     mkdirp "^0.5.1"
     source-map-support "^0.4.2"
 
-babel-runtime@6.23.0, babel-runtime@^6.18.0:
+babel-runtime@6.23.0, babel-runtime@^6.18.0, babel-runtime@^6.22.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.23.0.tgz#0a9489f144de70efb3ce4300accdb329e2fc543b"
   dependencies:
@@ -957,14 +930,7 @@ babel-runtime@^6.20.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.10.0"
 
-babel-runtime@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.22.0.tgz#1cf8b4ac67c77a4ddb0db2ae1f74de52ac4ca611"
-  dependencies:
-    core-js "^2.4.0"
-    regenerator-runtime "^0.10.0"
-
-babel-template@^6.16.0, babel-template@^6.22.0, babel-template@^6.24.1:
+babel-template@^6.16.0, babel-template@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.24.1.tgz#04ae514f1f93b3a2537f2a0f60a5a45fb8308333"
   dependencies:
@@ -974,7 +940,7 @@ babel-template@^6.16.0, babel-template@^6.22.0, babel-template@^6.24.1:
     babylon "^6.11.0"
     lodash "^4.2.0"
 
-babel-traverse@^6.18.0, babel-traverse@^6.22.1, babel-traverse@^6.23.1, babel-traverse@^6.24.1:
+babel-traverse@^6.18.0, babel-traverse@^6.23.1, babel-traverse@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.24.1.tgz#ab36673fd356f9a0948659e7b338d5feadb31695"
   dependencies:
@@ -988,7 +954,7 @@ babel-traverse@^6.18.0, babel-traverse@^6.22.1, babel-traverse@^6.23.1, babel-tr
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.22.0, babel-types@^6.23.0, babel-types@^6.24.1:
+babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.23.0, babel-types@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.24.1.tgz#a136879dc15b3606bda0d90c1fc74304c2ff0975"
   dependencies:
@@ -997,6 +963,10 @@ babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.22.0, babel-types@^6.23
     lodash "^4.2.0"
     to-fast-properties "^1.0.1"
 
+babylon@7.0.0-beta.8:
+  version "7.0.0-beta.8"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.8.tgz#2bdc5ae366041442c27e068cce6f0d7c06ea9949"
+
 babylon@^6.11.0:
   version "6.14.1"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.14.1.tgz#956275fab72753ad9b3435d7afe58f8bf0a29815"
@@ -2252,7 +2222,7 @@ estraverse@~4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.1.1.tgz#f6caca728933a850ef90661d0e17982ba47111a2"
 
-esutils@^2.0.0, esutils@^2.0.2:
+esutils@2.0.2, esutils@^2.0.0, esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
@@ -2516,6 +2486,10 @@ flatten@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
 
+flow-parser@0.45.0:
+  version "0.45.0"
+  resolved "https://registry.yarnpkg.com/flow-parser/-/flow-parser-0.45.0.tgz#aa29d4ae27f06aa02817772bba0fcbefef7e62f0"
+
 for-in@^0.1.5:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-0.1.6.tgz#c9f96e89bfad18a545af5ec3ed352a1d9e5b4dc8"
@@ -2632,6 +2606,10 @@ get-caller-file@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
 
+get-stdin@5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+
 get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
@@ -2655,7 +2633,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
+glob@7.1.1, glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
   dependencies:
@@ -3432,6 +3410,13 @@ jest-jasmine2@^20.0.3:
     once "^1.4.0"
     p-map "^1.1.1"
 
+jest-matcher-utils@^19.0.0:
+  version "19.0.0"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-19.0.0.tgz#5ecd9b63565d2b001f61fbf7ec4c7f537964564d"
+  dependencies:
+    chalk "^1.1.3"
+    pretty-format "^19.0.0"
+
 jest-matcher-utils@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-20.0.3.tgz#b3a6b8e37ca577803b0832a98b164f44b7815612"
@@ -3521,6 +3506,15 @@ jest-util@^20.0.3:
     leven "^2.1.0"
     mkdirp "^0.5.1"
 
+jest-validate@19.0.0:
+  version "19.0.0"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-19.0.0.tgz#8c6318a20ecfeaba0ba5378bfbb8277abded4173"
+  dependencies:
+    chalk "^1.1.1"
+    jest-matcher-utils "^19.0.0"
+    leven "^2.0.0"
+    pretty-format "^19.0.0"
+
 jest-validate@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-20.0.3.tgz#d0cfd1de4f579f298484925c280f8f1d94ec3cab"
@@ -3550,20 +3544,20 @@ js-tokens@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.1.tgz#08e9f132484a2c45a30907e9dc4d5567b7f114d7"
 
-js-yaml@^3.4.3, js-yaml@^3.5.1, js-yaml@~3.6.1:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.6.1.tgz#6e5fe67d8b205ce4d22fad05b7781e8dadcc4b30"
-  dependencies:
-    argparse "^1.0.7"
-    esprima "^2.6.0"
-
-js-yaml@^3.7.0:
+js-yaml@^3.4.3, js-yaml@^3.7.0:
   version "3.8.4"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.4.tgz#520b4564f86573ba96662af85a8cafa7b4b5a6f6"
   dependencies:
     argparse "^1.0.7"
     esprima "^3.1.1"
 
+js-yaml@^3.5.1, js-yaml@~3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.6.1.tgz#6e5fe67d8b205ce4d22fad05b7781e8dadcc4b30"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^2.6.0"
+
 jsbn@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.0.tgz#650987da0dd74f4ebf5a11377a2aa2d273e97dfd"
@@ -3690,7 +3684,7 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
-leven@^2.1.0:
+leven@^2.0.0, leven@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
 
@@ -3783,14 +3777,14 @@ lodash.templatesettings@^4.0.0:
   dependencies:
     lodash._reinterpolate "~3.0.0"
 
-"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
-  version "4.17.2"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.2.tgz#34a3055babe04ce42467b607d700072c7ff6bf42"
-
-lodash@^4.17.2, lodash@^4.17.3:
+"lodash@>=3.5 <5", lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@^4.0.0, lodash@^4.15.0, lodash@^4.2.0, lodash@^4.2.1:
+  version "4.17.2"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.2.tgz#34a3055babe04ce42467b607d700072c7ff6bf42"
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -3942,7 +3936,7 @@ minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
+minimist@1.2.0, minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -4701,6 +4695,21 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+prettier@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.3.1.tgz#fa0ea84b45ac0ba6de6a1e4cecdcff900d563151"
+  dependencies:
+    ast-types "0.9.8"
+    babel-code-frame "6.22.0"
+    babylon "7.0.0-beta.8"
+    chalk "1.1.3"
+    esutils "2.0.2"
+    flow-parser "0.45.0"
+    get-stdin "5.0.1"
+    glob "7.1.1"
+    jest-validate "19.0.0"
+    minimist "1.2.0"
+
 pretty-bytes@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-4.0.2.tgz#b2bf82e7350d65c6c33aa95aaa5a4f6327f61cd9"
@@ -4712,6 +4721,12 @@ pretty-error@^2.0.2:
     renderkid "~2.0.0"
     utila "~0.4"
 
+pretty-format@^19.0.0:
+  version "19.0.0"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-19.0.0.tgz#56530d32acb98a3fa4851c4e2b9d37b420684c84"
+  dependencies:
+    ansi-styles "^3.0.0"
+
 pretty-format@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-20.0.3.tgz#020e350a560a1fe1a98dc3beb6ccffb386de8b14"
@@ -5005,7 +5020,7 @@ readable-stream@1.0:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.0, readable-stream@^2.2.2:
+readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.1.0, readable-stream@^2.2.2:
   version "2.2.9"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.9.tgz#cf78ec6f4a6d1eb43d26488cac97f042e74b7fc8"
   dependencies:
@@ -5017,7 +5032,7 @@ readable-stream@^2.0.0, readable-stream@^2.2.2:
     string_decoder "~1.0.0"
     util-deprecate "~1.0.1"
 
-"readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.1.0, readable-stream@~2.1.4:
+readable-stream@~2.1.4:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.1.5.tgz#66fa8b720e1438b364681f2ad1a63c618448c9d0"
   dependencies:
@@ -5302,15 +5317,15 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.2.8, rimraf@~2.5.1, rimraf@~2.5.4:
-  version "2.5.4"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
+rimraf@2, rimraf@^2.2.8, rimraf@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
   dependencies:
     glob "^7.0.5"
 
-rimraf@^2.6.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
+rimraf@~2.5.1, rimraf@~2.5.4:
+  version "2.5.4"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
   dependencies:
     glob "^7.0.5"
 
@@ -6270,14 +6285,10 @@ whatwg-encoding@^1.0.1:
   dependencies:
     iconv-lite "0.4.13"
 
-whatwg-fetch@2.0.3:
+whatwg-fetch@2.0.3, whatwg-fetch@>=0.10.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
 
-whatwg-fetch@>=0.10.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.2.tgz#fe294d1d89e36c5be8b3195057f2e4bc74fc980e"
-
 whatwg-url@^4.3.0:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-4.8.0.tgz#d2981aa9148c1e00a41c5a6131166ab4683bbcc0"