From ecb05336055a37ba8a03c119995cd37d96aad90d Mon Sep 17 00:00:00 2001
From: BoHong Li <a60814billy@gmail.com>
Date: Thu, 13 Apr 2017 01:57:55 +0800
Subject: [PATCH] refactor(config.js): Extract config file

* Separate different config source to each files
* Freeze config object
---
 app.js                       |  13 +-
 lib/config.js                | 223 -----------
 lib/config/default.js        |  92 +++++
 lib/config/defaultSSL.js     |  17 +
 lib/config/dockerSecret.js   |  51 +++
 lib/config/enum.js           |  16 +
 lib/config/environment.js    |  64 +++
 lib/config/index.js          | 112 ++++++
 lib/config/oldEnvironment.js |   8 +
 lib/models/index.js          |   5 +-
 lib/realtime.js              |   5 +-
 lib/response.js              |  32 +-
 lib/web/auth/index.js        |  16 +-
 package.json                 |   3 +-
 yarn.lock                    | 728 ++++++++++++++++++-----------------
 15 files changed, 767 insertions(+), 618 deletions(-)
 delete mode 100644 lib/config.js
 create mode 100644 lib/config/default.js
 create mode 100644 lib/config/defaultSSL.js
 create mode 100644 lib/config/dockerSecret.js
 create mode 100644 lib/config/enum.js
 create mode 100644 lib/config/environment.js
 create mode 100644 lib/config/index.js
 create mode 100644 lib/config/oldEnvironment.js

diff --git a/app.js b/app.js
index 95e94b0ae..3530343c5 100644
--- a/app.js
+++ b/app.js
@@ -29,20 +29,17 @@ var response = require('./lib/response')
 var models = require('./lib/models')
 
 // generate front-end constants by template
-var configJson = config.raw
 var constpath = path.join(__dirname, './public/js/lib/common/constant.ejs')
-var googleApiKey = (fs.existsSync('/run/secrets/google_apiKey') && config.handleDockerSecret('google_apiKey')) || process.env.HMD_GOOGLE_API_KEY || (configJson.google && configJson.google.apiKey) || ''
-var googleClientID = (fs.existsSync('/run/secrets/google_clientID') && config.handleDockerSecret('google_clientID')) || process.env.HMD_GOOGLE_CLIENT_ID || (configJson.google && configJson.google.clientID) || ''
-var dropboxAppKey = (fs.existsSync('/run/secrets/dropbox_appKey') && config.handleDockerSecret('dropbox_appKey')) || process.env.HMD_DROPBOX_APP_KEY || (configJson.dropbox && configJson.dropbox.appKey) || ''
 var data = {
   domain: config.domain,
   urlpath: config.urlpath,
   debug: config.debug,
   version: config.version,
-  GOOGLE_API_KEY: googleApiKey,
-  GOOGLE_CLIENT_ID: googleClientID,
-  DROPBOX_APP_KEY: dropboxAppKey
+  GOOGLE_API_KEY: config.google.clientSecret,
+  GOOGLE_CLIENT_ID: config.google.clientID,
+  DROPBOX_APP_KEY: config.dropbox.clientSecret
 }
+
 ejs.renderFile(constpath, data, {}, function (err, str) {
   if (err) throw new Error(err)
   fs.writeFileSync(path.join(__dirname, './public/build/constant.js'), str)
@@ -204,7 +201,7 @@ function startListen () {
   server.listen(config.port, function () {
     var schema = config.usessl ? 'HTTPS' : 'HTTP'
     logger.info('%s Server listening at port %d', schema, config.port)
-    config.maintenance = false
+    realtime.maintenance = false
   })
 }
 
diff --git a/lib/config.js b/lib/config.js
deleted file mode 100644
index 31999b07b..000000000
--- a/lib/config.js
+++ /dev/null
@@ -1,223 +0,0 @@
-'use strict'
-// external modules
-var fs = require('fs')
-var path = require('path')
-
-// configs
-var env = process.env.NODE_ENV || 'development'
-var config = require(path.join(__dirname, '..', 'config.json'))[env]
-var debug = process.env.DEBUG ? (process.env.DEBUG === 'true') : ((typeof config.debug === 'boolean') ? config.debug : (env === 'development'))
-
-// Create function that reads docker secrets but fails fast in case of a non docker environment
-var handleDockerSecret = fs.existsSync('/run/secrets/') ? function (secret) {
-  return fs.existsSync('/run/secrets/' + secret) ? fs.readFileSync('/run/secrets/' + secret) : null
-} : function () {
-  return null
-}
-
-// url
-var domain = process.env.DOMAIN || process.env.HMD_DOMAIN || config.domain || ''
-var urlpath = process.env.URL_PATH || process.env.HMD_URL_PATH || config.urlpath || ''
-var port = process.env.PORT || process.env.HMD_PORT || config.port || 3000
-var alloworigin = process.env.HMD_ALLOW_ORIGIN ? process.env.HMD_ALLOW_ORIGIN.split(',') : (config.alloworigin || ['localhost'])
-
-var usessl = !!config.usessl
-var protocolusessl = (usessl === true && typeof process.env.HMD_PROTOCOL_USESSL === 'undefined' && typeof config.protocolusessl === 'undefined')
-     ? true : (process.env.HMD_PROTOCOL_USESSL ? (process.env.HMD_PROTOCOL_USESSL === 'true') : !!config.protocolusessl)
-var urladdport = process.env.HMD_URL_ADDPORT ? (process.env.HMD_URL_ADDPORT === 'true') : !!config.urladdport
-
-var usecdn = process.env.HMD_USECDN ? (process.env.HMD_USECDN === 'true') : ((typeof config.usecdn === 'boolean') ? config.usecdn : true)
-
-var allowanonymous = process.env.HMD_ALLOW_ANONYMOUS ? (process.env.HMD_ALLOW_ANONYMOUS === 'true') : ((typeof config.allowanonymous === 'boolean') ? config.allowanonymous : true)
-
-var allowfreeurl = process.env.HMD_ALLOW_FREEURL ? (process.env.HMD_ALLOW_FREEURL === 'true') : !!config.allowfreeurl
-
-var permissions = ['editable', 'limited', 'locked', 'protected', 'private']
-if (allowanonymous) {
-  permissions.unshift('freely')
-}
-
-var defaultpermission = process.env.HMD_DEFAULT_PERMISSION || config.defaultpermission
-defaultpermission = permissions.indexOf(defaultpermission) !== -1 ? defaultpermission : 'editable'
-
-// db
-var dburl = process.env.HMD_DB_URL || process.env.DATABASE_URL || config.dburl
-var db = config.db || {}
-
-// ssl path
-var sslkeypath = (fs.existsSync('/run/secrets/key.pem') ? '/run/secrets/key.pem' : null) || config.sslkeypath || ''
-var sslcertpath = (fs.existsSync('/run/secrets/cert.pem') ? '/run/secrets/cert.pem' : null) || config.sslcertpath || ''
-var sslcapath = (fs.existsSync('/run/secrets/ca.pem') ? '/run/secrets/ca.pem' : null) || config.sslcapath || ''
-var dhparampath = (fs.existsSync('/run/secrets/dhparam.pem') ? '/run/secrets/dhparam.pem' : null) || config.dhparampath || ''
-
-// other path
-var tmppath = config.tmppath || './tmp'
-var defaultnotepath = config.defaultnotepath || './public/default.md'
-var docspath = config.docspath || './public/docs'
-var indexpath = config.indexpath || './public/views/index.ejs'
-var hackmdpath = config.hackmdpath || './public/views/hackmd.ejs'
-var errorpath = config.errorpath || './public/views/error.ejs'
-var prettypath = config.prettypath || './public/views/pretty.ejs'
-var slidepath = config.slidepath || './public/views/slide.ejs'
-
-// session
-var sessionname = config.sessionname || 'connect.sid'
-var sessionsecret = handleDockerSecret('sessionsecret') || config.sessionsecret || 'secret'
-var sessionlife = config.sessionlife || 14 * 24 * 60 * 60 * 1000 // 14 days
-
-// static files
-var staticcachetime = config.staticcachetime || 1 * 24 * 60 * 60 * 1000 // 1 day
-
-// socket.io
-var heartbeatinterval = config.heartbeatinterval || 5000
-var heartbeattimeout = config.heartbeattimeout || 10000
-
-// document
-var documentmaxlength = config.documentmaxlength || 100000
-
-// image upload setting, available options are imgur/s3/filesystem
-var imageUploadType = process.env.HMD_IMAGE_UPLOAD_TYPE || config.imageUploadType || 'imgur'
-
-config.s3 = config.s3 || {}
-var s3 = {
-  accessKeyId: handleDockerSecret('s3_acccessKeyId') || process.env.HMD_S3_ACCESS_KEY_ID || config.s3.accessKeyId,
-  secretAccessKey: handleDockerSecret('s3_secretAccessKey') || process.env.HMD_S3_SECRET_ACCESS_KEY || config.s3.secretAccessKey,
-  region: process.env.HMD_S3_REGION || config.s3.region
-}
-var s3bucket = process.env.HMD_S3_BUCKET || config.s3.bucket
-
-// auth
-var facebook = ((process.env.HMD_FACEBOOK_CLIENTID && process.env.HMD_FACEBOOK_CLIENTSECRET) || (fs.existsSync('/run/secrets/facebook_clientID') && fs.existsSync('/run/secrets/facebook_clientSecret'))) ? {
-  clientID: handleDockerSecret('facebook_clientID') || process.env.HMD_FACEBOOK_CLIENTID,
-  clientSecret: handleDockerSecret('facebook_clientSecret') || process.env.HMD_FACEBOOK_CLIENTSECRET
-} : config.facebook || false
-var twitter = ((process.env.HMD_TWITTER_CONSUMERKEY && process.env.HMD_TWITTER_CONSUMERSECRET) || (fs.existsSync('/run/secrets/twitter_consumerKey') && fs.existsSync('/run/secrets/twitter_consumerSecret'))) ? {
-  consumerKey: handleDockerSecret('twitter_consumerKey') || process.env.HMD_TWITTER_CONSUMERKEY,
-  consumerSecret: handleDockerSecret('twitter_consumerSecret') || process.env.HMD_TWITTER_CONSUMERSECRET
-} : config.twitter || false
-var github = ((process.env.HMD_GITHUB_CLIENTID && process.env.HMD_GITHUB_CLIENTSECRET) || (fs.existsSync('/run/secrets/github_clientID') && fs.existsSync('/run/secrets/github_clientSecret'))) ? {
-  clientID: handleDockerSecret('github_clientID') || process.env.HMD_GITHUB_CLIENTID,
-  clientSecret: handleDockerSecret('github_clientSecret') || process.env.HMD_GITHUB_CLIENTSECRET
-} : config.github || false
-var gitlab = ((process.env.HMD_GITLAB_CLIENTID && process.env.HMD_GITLAB_CLIENTSECRET) || (fs.existsSync('/run/secrets/gitlab_clientID') && fs.existsSync('/run/secrets/gitlab_clientSecret'))) ? {
-  baseURL: process.env.HMD_GITLAB_BASEURL,
-  clientID: handleDockerSecret('gitlab_clientID') || process.env.HMD_GITLAB_CLIENTID,
-  clientSecret: handleDockerSecret('gitlab_clientSecret') || process.env.HMD_GITLAB_CLIENTSECRET,
-  scope: process.env.HMD_GITLAB_SCOPE
-} : (config.gitlab && config.gitlab.clientID && config.gitlab.clientSecret && config.gitlab) || false
-var dropbox = ((process.env.HMD_DROPBOX_CLIENTID && process.env.HMD_DROPBOX_CLIENTSECRET) || (fs.existsSync('/run/secrets/dropbox_clientID') && fs.existsSync('/run/secrets/dropbox_clientSecret'))) ? {
-  clientID: handleDockerSecret('dropbox_clientID') || process.env.HMD_DROPBOX_CLIENTID,
-  clientSecret: handleDockerSecret('dropbox_clientSecret') || process.env.HMD_DROPBOX_CLIENTSECRET
-} : (config.dropbox && config.dropbox.clientID && config.dropbox.clientSecret && config.dropbox) || false
-var google = ((process.env.HMD_GOOGLE_CLIENTID && process.env.HMD_GOOGLE_CLIENTSECRET) ||
-              (fs.existsSync('/run/secrets/google_clientID') && fs.existsSync('/run/secrets/google_clientSecret'))) ? {
-                clientID: handleDockerSecret('google_clientID') || process.env.HMD_GOOGLE_CLIENTID,
-                clientSecret: handleDockerSecret('google_clientSecret') || process.env.HMD_GOOGLE_CLIENTSECRET
-              } : (config.google && config.google.clientID && config.google.clientSecret && config.google) || false
-var ldap = config.ldap || ((
-    process.env.HMD_LDAP_URL ||
-    process.env.HMD_LDAP_BINDDN ||
-    process.env.HMD_LDAP_BINDCREDENTIALS ||
-    process.env.HMD_LDAP_TOKENSECRET ||
-    process.env.HMD_LDAP_SEARCHBASE ||
-    process.env.HMD_LDAP_SEARCHFILTER ||
-    process.env.HMD_LDAP_SEARCHATTRIBUTES ||
-    process.env.HMD_LDAP_TLS_CA ||
-    process.env.HMD_LDAP_PROVIDERNAME
-) ? {} : false)
-if (process.env.HMD_LDAP_URL) { ldap.url = process.env.HMD_LDAP_URL }
-if (process.env.HMD_LDAP_BINDDN) { ldap.bindDn = process.env.HMD_LDAP_BINDDN }
-if (process.env.HMD_LDAP_BINDCREDENTIALS) { ldap.bindCredentials = process.env.HMD_LDAP_BINDCREDENTIALS }
-if (process.env.HMD_LDAP_TOKENSECRET) { ldap.tokenSecret = process.env.HMD_LDAP_TOKENSECRET }
-if (process.env.HMD_LDAP_SEARCHBASE) { ldap.searchBase = process.env.HMD_LDAP_SEARCHBASE }
-if (process.env.HMD_LDAP_SEARCHFILTER) { ldap.searchFilter = process.env.HMD_LDAP_SEARCHFILTER }
-if (process.env.HMD_LDAP_SEARCHATTRIBUTES) { ldap.searchAttributes = process.env.HMD_LDAP_SEARCHATTRIBUTES }
-if (process.env.HMD_LDAP_TLS_CA) {
-  var ca = {
-    ca: process.env.HMD_LDAP_TLS_CA.split(',')
-  }
-  ldap.tlsOptions = ldap.tlsOptions ? Object.assign(ldap.tlsOptions, ca) : ca
-  if (Array.isArray(ldap.tlsOptions.ca) && ldap.tlsOptions.ca.length > 0) {
-    var i, len, results
-    results = []
-    for (i = 0, len = ldap.tlsOptions.ca.length; i < len; i++) {
-      results.push(fs.readFileSync(ldap.tlsOptions.ca[i], 'utf8'))
-    }
-    ldap.tlsOptions.ca = results
-  }
-}
-if (process.env.HMD_LDAP_PROVIDERNAME) {
-  ldap.providerName = process.env.HMD_LDAP_PROVIDERNAME
-}
-var imgur = handleDockerSecret('imgur_clientid') || process.env.HMD_IMGUR_CLIENTID || config.imgur || false
-var email = process.env.HMD_EMAIL ? (process.env.HMD_EMAIL === 'true') : !!config.email
-var allowemailregister = process.env.HMD_ALLOW_EMAIL_REGISTER ? (process.env.HMD_ALLOW_EMAIL_REGISTER === 'true') : ((typeof config.allowemailregister === 'boolean') ? config.allowemailregister : true)
-
-function getserverurl () {
-  var url = ''
-  if (domain) {
-    var protocol = protocolusessl ? 'https://' : 'http://'
-    url = protocol + domain
-    if (urladdport && ((usessl && port !== 443) || (!usessl && port !== 80))) { url += ':' + port }
-  }
-  if (urlpath) { url += '/' + urlpath }
-  return url
-}
-
-var version = '0.5.1'
-var minimumCompatibleVersion = '0.5.0'
-var maintenance = true
-var cwd = path.join(__dirname, '..')
-
-module.exports = {
-  raw: config,
-  handleDockerSecret: handleDockerSecret,
-  version: version,
-  minimumCompatibleVersion: minimumCompatibleVersion,
-  maintenance: maintenance,
-  domain: domain,
-  urlpath: urlpath,
-  debug: debug,
-  port: port,
-  alloworigin: alloworigin,
-  usessl: usessl,
-  serverurl: getserverurl(),
-  usecdn: usecdn,
-  allowanonymous: allowanonymous,
-  allowfreeurl: allowfreeurl,
-  defaultpermission: defaultpermission,
-  dburl: dburl,
-  db: db,
-  sslkeypath: path.join(cwd, sslkeypath),
-  sslcertpath: path.join(cwd, sslcertpath),
-  sslcapath: path.join(cwd, sslcapath),
-  dhparampath: path.join(cwd, dhparampath),
-  tmppath: path.join(cwd, tmppath),
-  defaultnotepath: path.join(cwd, defaultnotepath),
-  docspath: path.join(cwd, docspath),
-  indexpath: path.join(cwd, indexpath),
-  hackmdpath: path.join(cwd, hackmdpath),
-  errorpath: path.join(cwd, errorpath),
-  prettypath: path.join(cwd, prettypath),
-  slidepath: path.join(cwd, slidepath),
-  sessionname: sessionname,
-  sessionsecret: sessionsecret,
-  sessionlife: sessionlife,
-  staticcachetime: staticcachetime,
-  heartbeatinterval: heartbeatinterval,
-  heartbeattimeout: heartbeattimeout,
-  documentmaxlength: documentmaxlength,
-  facebook: facebook,
-  twitter: twitter,
-  github: github,
-  gitlab: gitlab,
-  dropbox: dropbox,
-  google: google,
-  ldap: ldap,
-  imgur: imgur,
-  email: email,
-  allowemailregister: allowemailregister,
-  imageUploadType: imageUploadType,
-  s3: s3,
-  s3bucket: s3bucket
-}
diff --git a/lib/config/default.js b/lib/config/default.js
new file mode 100644
index 000000000..a14a42944
--- /dev/null
+++ b/lib/config/default.js
@@ -0,0 +1,92 @@
+'use strict'
+
+module.exports = {
+  domain: '',
+  urlpath: '',
+  port: 3000,
+  urladdport: false,
+  alloworigin: ['localhost'],
+  usessl: false,
+  protocolusessl: false,
+  usecdn: true,
+  allowanonymous: true,
+  allowfreeurl: false,
+  defaultpermission: 'editable',
+  dburl: '',
+  db: {},
+  // ssl path
+  sslkeypath: '',
+  sslcertpath: '',
+  sslcapath: '',
+  dhparampath: '',
+  // other path
+  tmppath: './tmp',
+  defaultnotepath: './public/default.md',
+  docspath: './public/docs',
+  indexpath: './public/views/index.ejs',
+  hackmdpath: './public/views/hackmd.ejs',
+  errorpath: './public/views/error.ejs',
+  prettypath: './public/views/pretty.ejs',
+  slidepath: './public/views/slide.ejs',
+  // session
+  sessionname: 'connect.sid',
+  sessionsecret: 'secret',
+  sessionlife: 14 * 24 * 60 * 60 * 1000, // 14 days
+  staticcachetime: 1 * 24 * 60 * 60 * 1000, // 1 day
+  // socket.io
+  heartbeatinterval: 5000,
+  heartbeattimeout: 10000,
+  // document
+  documentmaxlength: 100000,
+  // image upload setting, available options are imgur/s3/filesystem
+  imageUploadType: 'filesystem',
+  imgur: {
+    clientID: undefined
+  },
+  s3: {
+    accessKeyId: undefined,
+    secretAccessKey: undefined,
+    region: undefined
+  },
+  s3bucket: undefined,
+  // authentication
+  facebook: {
+    clientID: undefined,
+    clientSecret: undefined
+  },
+  twitter: {
+    consumerKey: undefined,
+    consumerSecret: undefined
+  },
+  github: {
+    clientID: undefined,
+    clientSecret: undefined
+  },
+  gitlab: {
+    baseURL: undefined,
+    clientID: undefined,
+    clientSecret: undefined,
+    scope: undefined
+  },
+  dropbox: {
+    clientID: undefined,
+    clientSecret: undefined
+  },
+  google: {
+    clientID: undefined,
+    clientSecret: undefined
+  },
+  ldap: {
+    providerName: undefined,
+    url: undefined,
+    bindDn: undefined,
+    bindCredentials: undefined,
+    tokenSecret: undefined,
+    searchBase: undefined,
+    searchFilter: undefined,
+    searchAttributes: undefined,
+    tlsca: undefined
+  },
+  email: true,
+  allowemailregister: true
+}
diff --git a/lib/config/defaultSSL.js b/lib/config/defaultSSL.js
new file mode 100644
index 000000000..1f1d55906
--- /dev/null
+++ b/lib/config/defaultSSL.js
@@ -0,0 +1,17 @@
+'use strict'
+
+const fs = require('fs')
+
+function getFile (path) {
+  if (fs.existsSync(path)) {
+    return path
+  }
+  return undefined
+}
+
+module.exports = {
+  sslkeypath: getFile('/run/secrets/key.pem'),
+  sslcertpath: getFile('/run/secrets/cert.pem'),
+  sslcapath: getFile('/run/secrets/ca.pem'),
+  dhparampath: getFile('/run/secrets/dhparam.pem')
+}
diff --git a/lib/config/dockerSecret.js b/lib/config/dockerSecret.js
new file mode 100644
index 000000000..eea2fafdd
--- /dev/null
+++ b/lib/config/dockerSecret.js
@@ -0,0 +1,51 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+
+const basePath = path.resolve('/var/run/secrets/')
+
+function getSecret (secret) {
+  const filePath = path.join(basePath, secret)
+  if (fs.existsSync(filePath)) return fs.readFileSync(filePath)
+  return undefined
+}
+
+if (fs.existsSync(basePath)) {
+  module.exports = {
+    sessionsecret: getSecret('sessionsecret'),
+    sslkeypath: getSecret('sslkeypath'),
+    sslcertpath: getSecret('sslcertpath'),
+    sslcapath: getSecret('sslcapath'),
+    dhparampath: getSecret('dhparampath'),
+    s3: {
+      accessKeyId: getSecret('s3_acccessKeyId'),
+      secretAccessKey: getSecret('s3_secretAccessKey')
+    },
+    facebook: {
+      clientID: getSecret('facebook_clientID'),
+      clientSecret: getSecret('facebook_clientSecret')
+    },
+    twitter: {
+      consumerKey: getSecret('twitter_consumerKey'),
+      consumerSecret: getSecret('twitter_consumerSecret')
+    },
+    github: {
+      clientID: getSecret('github_clientID'),
+      clientSecret: getSecret('github_clientSecret')
+    },
+    gitlab: {
+      clientID: getSecret('gitlab_clientID'),
+      clientSecret: getSecret('gitlab_clientSecret')
+    },
+    dropbox: {
+      clientID: getSecret('dropbox_clientID'),
+      clientSecret: getSecret('dropbox_clientSecret')
+    },
+    google: {
+      clientID: getSecret('google_clientID'),
+      clientSecret: getSecret('google_clientSecret')
+    },
+    imgur: getSecret('imgur_clientid')
+  }
+}
diff --git a/lib/config/enum.js b/lib/config/enum.js
new file mode 100644
index 000000000..07cdfcfe3
--- /dev/null
+++ b/lib/config/enum.js
@@ -0,0 +1,16 @@
+'use strict'
+
+exports.Environment = {
+  development: 'development',
+  production: 'production',
+  test: 'test'
+}
+
+exports.Permission = {
+  freely: 'freely',
+  editable: 'editable',
+  limited: 'limited',
+  locked: 'locked',
+  protected: 'protected',
+  private: 'private'
+}
diff --git a/lib/config/environment.js b/lib/config/environment.js
new file mode 100644
index 000000000..75a5bc540
--- /dev/null
+++ b/lib/config/environment.js
@@ -0,0 +1,64 @@
+'use strict'
+
+module.exports = {
+  domain: process.env.HMD_DOMAIN,
+  urlpath: process.env.HMD_URL_PATH,
+  port: process.env.HMD_PORT,
+  urladdport: process.env.HMD_URL_ADDPORT,
+  usessl: process.env.HMD_PROTOCOL_USESSL,
+  alloworigin: process.env.HMD_ALLOW_ORIGIN ? process.env.HMD_ALLOW_ORIGIN.split(',') : undefined,
+  usecdn: process.env.HMD_USECDN,
+  allowanonymous: process.env.HMD_ALLOW_ANONYMOUS,
+  allowfreeurl: process.env.HMD_ALLOW_FREEURL,
+  defaultpermission: process.env.HMD_DEFAULT_PERMISSION,
+  dburl: process.env.HMD_DB_URL,
+  imageUploadType: process.env.HMD_IMAGE_UPLOAD_TYPE,
+  imgur: {
+    clientID: process.env.HMD_IMGUR_CLIENTID
+  },
+  s3: {
+    accessKeyId: process.env.HMD_S3_ACCESS_KEY_ID,
+    secretAccessKey: process.env.HMD_S3_SECRET_ACCESS_KEY,
+    region: process.env.HMD_S3_REGION
+  },
+  s3bucket: process.env.HMD_S3_BUCKET,
+  facebook: {
+    clientID: process.env.HMD_FACEBOOK_CLIENTID,
+    clientSecret: process.env.HMD_FACEBOOK_CLIENTSECRET
+  },
+  twitter: {
+    consumerKey: process.env.HMD_TWITTER_CONSUMERKEY,
+    consumerSecret: process.env.HMD_TWITTER_CONSUMERSECRET
+  },
+  github: {
+    clientID: process.env.HMD_GITHUB_CLIENTID,
+    clientSecret: process.env.HMD_GITHUB_CLIENTSECRET
+  },
+  gitlab: {
+    baseURL: process.env.HMD_GITLAB_BASEURL,
+    clientID: process.env.HMD_GITLAB_CLIENTID,
+    clientSecret: process.env.HMD_GITLAB_CLIENTSECRET,
+    scope: process.env.HMD_GITLAB_SCOPE
+  },
+  dropbox: {
+    clientID: process.env.HMD_DROPBOX_CLIENTID,
+    clientSecret: process.env.HMD_DROPBOX_CLIENTSECRET
+  },
+  google: {
+    clientID: process.env.HMD_GOOGLE_CLIENTID,
+    clientSecret: process.env.HMD_GOOGLE_CLIENTSECRET
+  },
+  ldap: {
+    providerName: process.env.HMD_LDAP_PROVIDERNAME,
+    url: process.env.HMD_LDAP_URL,
+    bindDn: process.env.HMD_LDAP_BINDDN,
+    bindCredentials: process.env.HMD_LDAP_BINDCREDENTIALS,
+    tokenSecret: process.env.HMD_LDAP_TOKENSECRET,
+    searchBase: process.env.HMD_LDAP_SEARCHBASE,
+    searchFilter: process.env.HMD_LDAP_SEARCHFILTER,
+    searchAttributes: process.env.HMD_LDAP_SEARCHATTRIBUTES,
+    tlsca: process.env.HMD_LDAP_TLS_CA
+  },
+  email: process.env.HMD_EMAIL,
+  allowemailregister: process.env.HMD_ALLOW_EMAIL_REGISTER
+}
diff --git a/lib/config/index.js b/lib/config/index.js
new file mode 100644
index 000000000..6bc9a4191
--- /dev/null
+++ b/lib/config/index.js
@@ -0,0 +1,112 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const {merge} = require('lodash')
+const deepFreeze = require('deep-freeze')
+const {Environment, Permission} = require('./enum')
+
+const appRootPath = path.join(__dirname, '../../')
+const env = process.env.NODE_ENV || Environment.development
+const debugConfig = {
+  debug: (env === Environment.development)
+}
+
+const packageConfig = {
+  version: '0.5.1',
+  minimumCompatibleVersion: '0.5.0'
+}
+
+const configFilePath = path.join(__dirname, '../../config.json')
+const fileConfig = fs.existsSync(configFilePath) ? require(configFilePath)[env] : undefined
+
+let config = require('./default')
+merge(config, require('./defaultSSL'))
+merge(config, debugConfig)
+merge(config, packageConfig)
+merge(config, fileConfig)
+merge(config, require('./oldEnvironment'))
+merge(config, require('./environment'))
+merge(config, require('./dockerSecret'))
+
+// load LDAP CA
+if (config.ldap.tlsca) {
+  let ca = config.ldap.tlsca.split(',')
+  let caContent = []
+  for (let i of ca) {
+    if (fs.existsSync(ca[i])) {
+      caContent.push(fs.readFileSync(ca[i], 'utf8'))
+    }
+  }
+  let tlsOptions = {
+    ca: caContent
+  }
+  config.ldap.tlsOptions = config.ldap.tlsOptions ? Object.assign(config.ldap.tlsOptions, tlsOptions) : tlsOptions
+}
+
+// Permission
+config.permission = Permission
+if (!config.allowanonymous) {
+  delete config.permission.freely
+}
+if (!(config.defaultpermission in config.permission)) {
+  config.defaultpermission = config.permission.editable
+}
+
+// cache result, cannot change config in runtime!!!
+config.isStandardHTTPsPort = (function isStandardHTTPsPort () {
+  return config.usessl && config.port === 443
+})()
+config.isStandardHTTPPort = (function isStandardHTTPPort () {
+  return !config.usessl && config.port === 80
+})()
+
+// cache serverURL
+config.serverurl = (function getserverurl () {
+  var url = ''
+  if (config.domain) {
+    var protocol = config.protocolusessl ? 'https://' : 'http://'
+    url = protocol + config.domain
+    if (config.urladdport) {
+      if (!config.isStandardHTTPPort || !config.isStandardHTTPsPort) {
+        url += ':' + config.port
+      }
+    }
+  }
+  if (config.urlpath) {
+    url += '/' + config.urlpath
+  }
+  return url
+})()
+
+config.Environment = Environment
+
+// auth method
+config.isFacebookEnable = config.facebook.clientID && config.facebook.clientSecret
+config.isGoogleEnable = config.google.clientID && config.google.clientSecret
+config.isDropboxEnable = config.dropbox.clientID && config.dropbox.clientSecret
+config.isTwitterEnable = config.twitter.consumerKey && config.twitter.consumerSecret
+config.isEmailEnable = config.email
+config.isGitHubEnable = config.github.clientID && config.github.clientSecret
+config.isGitLabEnable = config.gitlab.clientID && config.gitlab.clientSecret
+config.isLDAPEnable = config.ldap.url
+
+// generate correct path
+config.sslcapath = path.join(appRootPath, config.sslcapath)
+config.sslcertpath = path.join(appRootPath, config.sslcertpath)
+config.sslkeypath = path.join(appRootPath, config.sslkeypath)
+config.dhparampath = path.join(appRootPath, config.dhparampath)
+
+config.tmppath = path.join(appRootPath, config.tmppath)
+config.defaultnotepath = path.join(appRootPath, config.defaultnotepath)
+config.docspath = path.join(appRootPath, config.docspath)
+config.indexpath = path.join(appRootPath, config.indexpath)
+config.hackmdpath = path.join(appRootPath, config.hackmdpath)
+config.errorpath = path.join(appRootPath, config.errorpath)
+config.prettypath = path.join(appRootPath, config.prettypath)
+config.slidepath = path.join(appRootPath, config.slidepath)
+
+// maek config readonly
+config = deepFreeze(config)
+
+module.exports = config
diff --git a/lib/config/oldEnvironment.js b/lib/config/oldEnvironment.js
new file mode 100644
index 000000000..00324e4b6
--- /dev/null
+++ b/lib/config/oldEnvironment.js
@@ -0,0 +1,8 @@
+'use strict'
+
+module.exports = {
+  debug: process.env.DEBUG,
+  dburl: process.env.DATABASE_URL,
+  urlpath: process.env.URL_PATH,
+  port: process.env.PORT
+}
diff --git a/lib/models/index.js b/lib/models/index.js
index 458d5319a..0679a7fcc 100644
--- a/lib/models/index.js
+++ b/lib/models/index.js
@@ -3,13 +3,14 @@
 var fs = require('fs')
 var path = require('path')
 var Sequelize = require('sequelize')
+const {cloneDeep} = require('lodash')
 
 // core
 var config = require('../config')
 var logger = require('../logger')
 
-var dbconfig = config.db
-dbconfig.logging = config.debug ? logger.info : false
+var dbconfig = cloneDeep(config.db)
+dbconfig.logger = config.debug ? logger.info : false
 
 var sequelize = null
 
diff --git a/lib/realtime.js b/lib/realtime.js
index 884edbbc1..361bbf09e 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -28,7 +28,8 @@ var realtime = {
   secure: secure,
   connection: connection,
   getStatus: getStatus,
-  isReady: isReady
+  isReady: isReady,
+  maintenance: true
 }
 
 function onAuthorizeSuccess (data, accept) {
@@ -699,7 +700,7 @@ function updateHistory (userId, note, time) {
 }
 
 function connection (socket) {
-  if (config.maintenance) return
+  if (realtime.maintenance) return
   parseNoteIdFromSocket(socket, function (err, noteId) {
     if (err) {
       return failConnection(500, err, socket)
diff --git a/lib/response.js b/lib/response.js
index 1d1db3194..a9abd1d41 100755
--- a/lib/response.js
+++ b/lib/response.js
@@ -59,14 +59,14 @@ function showIndex (req, res, next) {
     url: config.serverurl,
     useCDN: config.usecdn,
     allowAnonymous: config.allowanonymous,
-    facebook: config.facebook,
-    twitter: config.twitter,
-    github: config.github,
-    gitlab: config.gitlab,
-    dropbox: config.dropbox,
-    google: config.google,
-    ldap: config.ldap,
-    email: config.email,
+    facebook: config.isFacebookEnable,
+    twitter: config.isTwitterEnable,
+    github: config.isGitHubEnable,
+    gitlab: config.isGitLabEnable,
+    dropbox: config.isDropboxEnable,
+    google: config.isGoogleEnable,
+    ldap: config.isLDAPEnable,
+    email: config.isEmailEnable,
     allowemailregister: config.allowemailregister,
     signin: req.isAuthenticated(),
     infoMessage: req.flash('info'),
@@ -89,14 +89,14 @@ function responseHackMD (res, note) {
     title: title,
     useCDN: config.usecdn,
     allowAnonymous: config.allowanonymous,
-    facebook: config.facebook,
-    twitter: config.twitter,
-    github: config.github,
-    gitlab: config.gitlab,
-    dropbox: config.dropbox,
-    google: config.google,
-    ldap: config.ldap,
-    email: config.email,
+    facebook: config.isFacebookEnable,
+    twitter: config.isTwitterEnable,
+    github: config.isGitHubEnable,
+    gitlab: config.isGitLabEnable,
+    dropbox: config.isDropboxEnable,
+    google: config.isGoogleEnable,
+    ldap: config.isLDAPEnable,
+    email: config.isEmailEnable,
     allowemailregister: config.allowemailregister
   })
 }
diff --git a/lib/web/auth/index.js b/lib/web/auth/index.js
index 8a4eb774b..b5ca8434b 100644
--- a/lib/web/auth/index.js
+++ b/lib/web/auth/index.js
@@ -29,14 +29,14 @@ passport.deserializeUser(function (id, done) {
   })
 })
 
-if (config.facebook) authRouter.use(require('./facebook'))
-if (config.twitter) authRouter.use(require('./twitter'))
-if (config.github) authRouter.use(require('./github'))
-if (config.gitlab) authRouter.use(require('./gitlab'))
-if (config.dropbox) authRouter.use(require('./dropbox'))
-if (config.google) authRouter.use(require('./google'))
-if (config.ldap) authRouter.use(require('./ldap'))
-if (config.email) authRouter.use(require('./email'))
+if (config.isFacebookEnable) authRouter.use(require('./facebook'))
+if (config.isTwitterEnable) authRouter.use(require('./twitter'))
+if (config.isGitHubEnable) authRouter.use(require('./github'))
+if (config.isGitLabEnable) authRouter.use(require('./gitlab'))
+if (config.isDropboxEnable) authRouter.use(require('./dropbox'))
+if (config.isGoogleEnable) authRouter.use(require('./google'))
+if (config.isLDAPEnable) authRouter.use(require('./ldap'))
+if (config.isEmailEnable) authRouter.use(require('./email'))
 
 // logout
 authRouter.get('/logout', function (req, res) {
diff --git a/package.json b/package.json
index 29c5c95de..cd33354b5 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "connect-session-sequelize": "^4.1.0",
     "cookie": "0.3.1",
     "cookie-parser": "1.4.3",
+    "deep-freeze": "^0.0.1",
     "diff-match-patch": "git+https://github.com/hackmdio/diff-match-patch.git",
     "ejs": "^2.5.5",
     "emojify.js": "~1.1.0",
@@ -162,8 +163,8 @@
     "less-loader": "^2.2.3",
     "optimize-css-assets-webpack-plugin": "^1.3.0",
     "script-loader": "^0.7.0",
-    "style-loader": "^0.13.1",
     "standard": "^9.0.1",
+    "style-loader": "^0.13.1",
     "url-loader": "^0.5.7",
     "webpack": "^1.14.0",
     "webpack-parallel-uglify-plugin": "^0.2.0"
diff --git a/yarn.lock b/yarn.lock
index 360c57529..6ae1fe4f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -39,10 +39,6 @@ acorn-object-spread@^1.0.0:
   dependencies:
     acorn "^3.1.0"
 
-acorn@4.0.4:
-  version "4.0.4"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.4.tgz#17a8d6a7a6c4ef538b814ec9abac2779293bf30a"
-
 acorn@^2.0.1:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-2.7.0.tgz#ab6e7d9d886aaca8b085bc3312b79a198433f0e7"
@@ -55,6 +51,10 @@ acorn@^4.0.4:
   version "4.0.11"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.11.tgz#edcda3bd937e7556410d42ed5860f67399c794c0"
 
+acorn@^5.0.1:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.0.3.tgz#c460df08491463f028ccb82eab3730bf01087b3d"
+
 after@0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
@@ -64,8 +64,8 @@ ajv-keywords@^1.0.0:
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
 
 ajv@^4.7.0, ajv@^4.9.1:
-  version "4.11.5"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.5.tgz#b6ee74657b993a01dce44b7944d56f485828d5bd"
+  version "4.11.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.6.tgz#947e93049790942b2a2d60a8289b28924d39f987"
   dependencies:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
@@ -197,8 +197,8 @@ array-unique@^0.2.1:
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
 
 array.prototype.find@^2.0.1:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/array.prototype.find/-/array.prototype.find-2.0.3.tgz#08c3ec33e32ec4bab362a2958e686ae92f59271d"
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/array.prototype.find/-/array.prototype.find-2.0.4.tgz#556a5c5362c08648323ddaeb9de9d14bc1864c90"
   dependencies:
     define-properties "^1.1.2"
     es-abstract "^1.7.0"
@@ -250,8 +250,8 @@ async@^1.3.0, async@^1.4.0, async@^1.5.0, async@^1.5.2, async@~1.5.2:
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
 async@^2.1.4:
-  version "2.1.5"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.1.5.tgz#e587c68580994ac67fc56ff86d3ac56bdbe810bc"
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.3.0.tgz#1013d1051047dd320fe24e494d5c66ecaf6147d9"
   dependencies:
     lodash "^4.14.0"
 
@@ -283,18 +283,18 @@ autoprefixer@^6.3.1:
     postcss-value-parser "^3.2.3"
 
 aws-sdk@^2.7.20:
-  version "2.32.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.32.0.tgz#9fe278b2ec1b12fddd1afeb74439581cdc2e5990"
+  version "2.41.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.41.0.tgz#930c15ae7ef4532bb8912c4c36a18b0023fd74c2"
   dependencies:
     buffer "4.9.1"
     crypto-browserify "1.0.9"
     jmespath "0.15.0"
     querystring "0.2.0"
-    sax "1.1.5"
+    sax "1.2.1"
     url "0.10.3"
-    uuid "3.0.0"
-    xml2js "0.4.15"
-    xmlbuilder "2.6.2"
+    uuid "3.0.1"
+    xml2js "0.4.17"
+    xmlbuilder "4.2.1"
 
 aws-sign2@~0.6.0:
   version "0.6.0"
@@ -305,12 +305,12 @@ aws4@^1.2.1:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
 babel-cli@^6.18.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-cli/-/babel-cli-6.24.0.tgz#a05ffd210dca0c288a26d5319c5ac8669a265ad0"
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-cli/-/babel-cli-6.24.1.tgz#207cd705bba61489b2ea41b5312341cf6aca2283"
   dependencies:
-    babel-core "^6.24.0"
+    babel-core "^6.24.1"
     babel-polyfill "^6.23.0"
-    babel-register "^6.24.0"
+    babel-register "^6.24.1"
     babel-runtime "^6.22.0"
     commander "^2.8.1"
     convert-source-map "^1.1.0"
@@ -333,19 +333,19 @@ babel-code-frame@^6.11.0, babel-code-frame@^6.16.0, babel-code-frame@^6.22.0:
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-babel-core@^6.21.0, babel-core@^6.24.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.24.0.tgz#8f36a0a77f5c155aed6f920b844d23ba56742a02"
+babel-core@^6.21.0, babel-core@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.24.1.tgz#8c428564dce1e1f41fb337ec34f4c3b022b5ad83"
   dependencies:
     babel-code-frame "^6.22.0"
-    babel-generator "^6.24.0"
-    babel-helpers "^6.23.0"
+    babel-generator "^6.24.1"
+    babel-helpers "^6.24.1"
     babel-messages "^6.23.0"
-    babel-register "^6.24.0"
+    babel-register "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
-    babel-traverse "^6.23.1"
-    babel-types "^6.23.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
     babylon "^6.11.0"
     convert-source-map "^1.1.0"
     debug "^2.1.1"
@@ -357,93 +357,93 @@ babel-core@^6.21.0, babel-core@^6.24.0:
     slash "^1.0.0"
     source-map "^0.5.0"
 
-babel-generator@^6.24.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.24.0.tgz#eba270a8cc4ce6e09a61be43465d7c62c1f87c56"
+babel-generator@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.24.1.tgz#e715f486c58ded25649d888944d52aa07c5d9497"
   dependencies:
     babel-messages "^6.23.0"
     babel-runtime "^6.22.0"
-    babel-types "^6.23.0"
+    babel-types "^6.24.1"
     detect-indent "^4.0.0"
     jsesc "^1.3.0"
     lodash "^4.2.0"
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
-babel-helper-call-delegate@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-call-delegate/-/babel-helper-call-delegate-6.22.0.tgz#119921b56120f17e9dae3f74b4f5cc7bcc1b37ef"
+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 "^6.22.0"
+    babel-helper-hoist-variables "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-traverse "^6.22.0"
-    babel-types "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
 
-babel-helper-define-map@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-define-map/-/babel-helper-define-map-6.23.0.tgz#1444f960c9691d69a2ced6a205315f8fd00804e7"
+babel-helper-define-map@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-define-map/-/babel-helper-define-map-6.24.1.tgz#7a9747f258d8947d32d515f6aa1c7bd02204a080"
   dependencies:
-    babel-helper-function-name "^6.23.0"
+    babel-helper-function-name "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-types "^6.23.0"
+    babel-types "^6.24.1"
     lodash "^4.2.0"
 
-babel-helper-function-name@^6.22.0, babel-helper-function-name@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-6.23.0.tgz#25742d67175c8903dbe4b6cb9d9e1fcb8dcf23a6"
+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 "^6.22.0"
+    babel-helper-get-function-arity "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
-    babel-traverse "^6.23.0"
-    babel-types "^6.23.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
 
-babel-helper-get-function-arity@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.22.0.tgz#0beb464ad69dc7347410ac6ade9f03a50634f5ce"
+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 "^6.22.0"
+    babel-types "^6.24.1"
 
-babel-helper-hoist-variables@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.22.0.tgz#3eacbf731d80705845dd2e9718f600cfb9b4ba72"
+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 "^6.22.0"
+    babel-types "^6.24.1"
 
-babel-helper-optimise-call-expression@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.23.0.tgz#f3ee7eed355b4282138b33d02b78369e470622f5"
+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 "^6.23.0"
+    babel-types "^6.24.1"
 
-babel-helper-regex@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-regex/-/babel-helper-regex-6.22.0.tgz#79f532be1647b1f0ee3474b5f5c3da58001d247d"
+babel-helper-regex@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-regex/-/babel-helper-regex-6.24.1.tgz#d36e22fab1008d79d88648e32116868128456ce8"
   dependencies:
     babel-runtime "^6.22.0"
-    babel-types "^6.22.0"
+    babel-types "^6.24.1"
     lodash "^4.2.0"
 
-babel-helper-replace-supers@^6.22.0, babel-helper-replace-supers@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-helper-replace-supers/-/babel-helper-replace-supers-6.23.0.tgz#eeaf8ad9b58ec4337ca94223bacdca1f8d9b4bfd"
+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 "^6.23.0"
+    babel-helper-optimise-call-expression "^6.24.1"
     babel-messages "^6.23.0"
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
-    babel-traverse "^6.23.0"
-    babel-types "^6.23.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
 
-babel-helpers@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.23.0.tgz#4f8f2e092d0b6a8808a4bde79c27f1e2ecf0d992"
+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 "^6.23.0"
+    babel-template "^6.24.1"
 
 babel-loader@^6.2.10:
   version "6.4.1"
@@ -478,36 +478,36 @@ babel-plugin-transform-es2015-block-scoped-functions@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-block-scoping@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.23.0.tgz#e48895cf0b375be148cd7c8879b422707a053b51"
+babel-plugin-transform-es2015-block-scoping@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.24.1.tgz#76c295dc3a4741b1665adfd3167215dcff32a576"
   dependencies:
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
-    babel-traverse "^6.23.0"
-    babel-types "^6.23.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
     lodash "^4.2.0"
 
-babel-plugin-transform-es2015-classes@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.23.0.tgz#49b53f326202a2fd1b3bbaa5e2edd8a4f78643c1"
+babel-plugin-transform-es2015-classes@^6.24.1:
+  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 "^6.23.0"
-    babel-helper-function-name "^6.23.0"
-    babel-helper-optimise-call-expression "^6.23.0"
-    babel-helper-replace-supers "^6.23.0"
+    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 "^6.23.0"
-    babel-traverse "^6.23.0"
-    babel-types "^6.23.0"
+    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 "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-computed-properties/-/babel-plugin-transform-es2015-computed-properties-6.22.0.tgz#7c383e9629bba4820c11b0425bdd6290f7f057e7"
+babel-plugin-transform-es2015-computed-properties@^6.24.1:
+  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 "^6.22.0"
+    babel-template "^6.24.1"
 
 babel-plugin-transform-es2015-destructuring@^6.22.0:
   version "6.23.0"
@@ -515,12 +515,12 @@ babel-plugin-transform-es2015-destructuring@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-duplicate-keys@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-duplicate-keys/-/babel-plugin-transform-es2015-duplicate-keys-6.22.0.tgz#672397031c21610d72dd2bbb0ba9fb6277e1c36b"
+babel-plugin-transform-es2015-duplicate-keys@^6.24.1:
+  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 "^6.22.0"
+    babel-types "^6.24.1"
 
 babel-plugin-transform-es2015-for-of@^6.22.0:
   version "6.23.0"
@@ -528,13 +528,13 @@ babel-plugin-transform-es2015-for-of@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-function-name@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.22.0.tgz#f5fcc8b09093f9a23c76ac3d9e392c3ec4b77104"
+babel-plugin-transform-es2015-function-name@^6.24.1:
+  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 "^6.22.0"
+    babel-helper-function-name "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-types "^6.22.0"
+    babel-types "^6.24.1"
 
 babel-plugin-transform-es2015-literals@^6.22.0:
   version "6.22.0"
@@ -542,63 +542,63 @@ babel-plugin-transform-es2015-literals@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-modules-amd@^6.24.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.0.tgz#a1911fb9b7ec7e05a43a63c5995007557bcf6a2e"
+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 "^6.24.0"
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-template "^6.22.0"
+    babel-template "^6.24.1"
 
-babel-plugin-transform-es2015-modules-commonjs@^6.24.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.24.0.tgz#e921aefb72c2cc26cb03d107626156413222134f"
+babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.24.1.tgz#d3e310b40ef664a36622200097c6d440298f2bfe"
   dependencies:
-    babel-plugin-transform-strict-mode "^6.22.0"
+    babel-plugin-transform-strict-mode "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
-    babel-types "^6.23.0"
+    babel-template "^6.24.1"
+    babel-types "^6.24.1"
 
-babel-plugin-transform-es2015-modules-systemjs@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.23.0.tgz#ae3469227ffac39b0310d90fec73bfdc4f6317b0"
+babel-plugin-transform-es2015-modules-systemjs@^6.24.1:
+  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:
-    babel-helper-hoist-variables "^6.22.0"
+    babel-helper-hoist-variables "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
+    babel-template "^6.24.1"
 
-babel-plugin-transform-es2015-modules-umd@^6.24.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.0.tgz#fd5fa63521cae8d273927c3958afd7c067733450"
+babel-plugin-transform-es2015-modules-umd@^6.24.1:
+  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:
-    babel-plugin-transform-es2015-modules-amd "^6.24.0"
+    babel-plugin-transform-es2015-modules-amd "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
+    babel-template "^6.24.1"
 
-babel-plugin-transform-es2015-object-super@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-object-super/-/babel-plugin-transform-es2015-object-super-6.22.0.tgz#daa60e114a042ea769dd53fe528fc82311eb98fc"
+babel-plugin-transform-es2015-object-super@^6.24.1:
+  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:
-    babel-helper-replace-supers "^6.22.0"
+    babel-helper-replace-supers "^6.24.1"
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-parameters@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.23.0.tgz#3a2aabb70c8af945d5ce386f1a4250625a83ae3b"
+babel-plugin-transform-es2015-parameters@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.24.1.tgz#57ac351ab49caf14a97cd13b09f66fdf0a625f2b"
   dependencies:
-    babel-helper-call-delegate "^6.22.0"
-    babel-helper-get-function-arity "^6.22.0"
+    babel-helper-call-delegate "^6.24.1"
+    babel-helper-get-function-arity "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-template "^6.23.0"
-    babel-traverse "^6.23.0"
-    babel-types "^6.23.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
 
-babel-plugin-transform-es2015-shorthand-properties@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.22.0.tgz#8ba776e0affaa60bff21e921403b8a652a2ff723"
+babel-plugin-transform-es2015-shorthand-properties@^6.24.1:
+  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:
     babel-runtime "^6.22.0"
-    babel-types "^6.22.0"
+    babel-types "^6.24.1"
 
 babel-plugin-transform-es2015-spread@^6.22.0:
   version "6.22.0"
@@ -606,13 +606,13 @@ babel-plugin-transform-es2015-spread@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-sticky-regex@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.22.0.tgz#ab316829e866ee3f4b9eb96939757d19a5bc4593"
+babel-plugin-transform-es2015-sticky-regex@^6.24.1:
+  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"
   dependencies:
-    babel-helper-regex "^6.22.0"
+    babel-helper-regex "^6.24.1"
     babel-runtime "^6.22.0"
-    babel-types "^6.22.0"
+    babel-types "^6.24.1"
 
 babel-plugin-transform-es2015-template-literals@^6.22.0:
   version "6.22.0"
@@ -626,19 +626,19 @@ babel-plugin-transform-es2015-typeof-symbol@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-unicode-regex@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.22.0.tgz#8d9cc27e7ee1decfe65454fb986452a04a613d20"
+babel-plugin-transform-es2015-unicode-regex@^6.24.1:
+  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"
   dependencies:
-    babel-helper-regex "^6.22.0"
+    babel-helper-regex "^6.24.1"
     babel-runtime "^6.22.0"
     regexpu-core "^2.0.0"
 
-babel-plugin-transform-regenerator@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.22.0.tgz#65740593a319c44522157538d690b84094617ea6"
+babel-plugin-transform-regenerator@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.24.1.tgz#b8da305ad43c3c99b4848e4fe4037b770d23c418"
   dependencies:
-    regenerator-transform "0.9.8"
+    regenerator-transform "0.9.11"
 
 babel-plugin-transform-runtime@^6.15.0:
   version "6.23.0"
@@ -646,12 +646,12 @@ babel-plugin-transform-runtime@^6.15.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-strict-mode@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.22.0.tgz#e008df01340fdc87e959da65991b7e05970c8c7c"
+babel-plugin-transform-strict-mode@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz#d5faf7aa578a65bbe591cf5edae04a0c67020758"
   dependencies:
     babel-runtime "^6.22.0"
-    babel-types "^6.22.0"
+    babel-types "^6.24.1"
 
 babel-polyfill@^6.22.0, babel-polyfill@^6.23.0:
   version "6.23.0"
@@ -662,39 +662,39 @@ babel-polyfill@^6.22.0, babel-polyfill@^6.23.0:
     regenerator-runtime "^0.10.0"
 
 babel-preset-es2015@^6.18.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-es2015/-/babel-preset-es2015-6.24.0.tgz#c162d68b1932696e036cd3110dc1ccd303d2673a"
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-preset-es2015/-/babel-preset-es2015-6.24.1.tgz#d44050d6bc2c9feea702aaf38d727a0210538939"
   dependencies:
     babel-plugin-check-es2015-constants "^6.22.0"
     babel-plugin-transform-es2015-arrow-functions "^6.22.0"
     babel-plugin-transform-es2015-block-scoped-functions "^6.22.0"
-    babel-plugin-transform-es2015-block-scoping "^6.22.0"
-    babel-plugin-transform-es2015-classes "^6.22.0"
-    babel-plugin-transform-es2015-computed-properties "^6.22.0"
+    babel-plugin-transform-es2015-block-scoping "^6.24.1"
+    babel-plugin-transform-es2015-classes "^6.24.1"
+    babel-plugin-transform-es2015-computed-properties "^6.24.1"
     babel-plugin-transform-es2015-destructuring "^6.22.0"
-    babel-plugin-transform-es2015-duplicate-keys "^6.22.0"
+    babel-plugin-transform-es2015-duplicate-keys "^6.24.1"
     babel-plugin-transform-es2015-for-of "^6.22.0"
-    babel-plugin-transform-es2015-function-name "^6.22.0"
+    babel-plugin-transform-es2015-function-name "^6.24.1"
     babel-plugin-transform-es2015-literals "^6.22.0"
-    babel-plugin-transform-es2015-modules-amd "^6.24.0"
-    babel-plugin-transform-es2015-modules-commonjs "^6.24.0"
-    babel-plugin-transform-es2015-modules-systemjs "^6.22.0"
-    babel-plugin-transform-es2015-modules-umd "^6.24.0"
-    babel-plugin-transform-es2015-object-super "^6.22.0"
-    babel-plugin-transform-es2015-parameters "^6.22.0"
-    babel-plugin-transform-es2015-shorthand-properties "^6.22.0"
+    babel-plugin-transform-es2015-modules-amd "^6.24.1"
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.1"
+    babel-plugin-transform-es2015-modules-systemjs "^6.24.1"
+    babel-plugin-transform-es2015-modules-umd "^6.24.1"
+    babel-plugin-transform-es2015-object-super "^6.24.1"
+    babel-plugin-transform-es2015-parameters "^6.24.1"
+    babel-plugin-transform-es2015-shorthand-properties "^6.24.1"
     babel-plugin-transform-es2015-spread "^6.22.0"
-    babel-plugin-transform-es2015-sticky-regex "^6.22.0"
+    babel-plugin-transform-es2015-sticky-regex "^6.24.1"
     babel-plugin-transform-es2015-template-literals "^6.22.0"
     babel-plugin-transform-es2015-typeof-symbol "^6.22.0"
-    babel-plugin-transform-es2015-unicode-regex "^6.22.0"
-    babel-plugin-transform-regenerator "^6.22.0"
+    babel-plugin-transform-es2015-unicode-regex "^6.24.1"
+    babel-plugin-transform-regenerator "^6.24.1"
 
-babel-register@^6.24.0:
-  version "6.24.0"
-  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.24.0.tgz#5e89f8463ba9970356d02eb07dabe3308b080cfd"
+babel-register@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.24.1.tgz#7e10e13a2f71065bdfad5a1787ba45bca6ded75f"
   dependencies:
-    babel-core "^6.24.0"
+    babel-core "^6.24.1"
     babel-runtime "^6.22.0"
     core-js "^2.4.0"
     home-or-tmp "^2.0.0"
@@ -709,33 +709,33 @@ babel-runtime@^6.18.0, babel-runtime@^6.20.0, babel-runtime@^6.22.0, babel-runti
     core-js "^2.4.0"
     regenerator-runtime "^0.10.0"
 
-babel-template@^6.22.0, babel-template@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.23.0.tgz#04d4f270adbb3aa704a8143ae26faa529238e638"
+babel-template@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.24.1.tgz#04ae514f1f93b3a2537f2a0f60a5a45fb8308333"
   dependencies:
     babel-runtime "^6.22.0"
-    babel-traverse "^6.23.0"
-    babel-types "^6.23.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
     babylon "^6.11.0"
     lodash "^4.2.0"
 
-babel-traverse@^6.22.0, babel-traverse@^6.23.0, babel-traverse@^6.23.1:
-  version "6.23.1"
-  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.23.1.tgz#d3cb59010ecd06a97d81310065f966b699e14f48"
+babel-traverse@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.24.1.tgz#ab36673fd356f9a0948659e7b338d5feadb31695"
   dependencies:
     babel-code-frame "^6.22.0"
     babel-messages "^6.23.0"
     babel-runtime "^6.22.0"
-    babel-types "^6.23.0"
+    babel-types "^6.24.1"
     babylon "^6.15.0"
     debug "^2.2.0"
     globals "^9.0.0"
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-babel-types@^6.19.0, babel-types@^6.22.0, babel-types@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.23.0.tgz#bb17179d7538bad38cd0c9e115d340f77e7e9acf"
+babel-types@^6.19.0, babel-types@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.24.1.tgz#a136879dc15b3606bda0d90c1fc74304c2ff0975"
   dependencies:
     babel-runtime "^6.22.0"
     esutils "^2.0.2"
@@ -885,8 +885,8 @@ bootstrap@^3.3.7:
   resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-3.3.7.tgz#5a389394549f23330875a3b150656574f8a9eb71"
 
 brace-expansion@^1.0.0:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.6.tgz#7197d7eaa9b87e648390ea61fc66c84427420df9"
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.7.tgz#3effc3c50e000531fb720eaff80f0ae8ef23cf59"
   dependencies:
     balanced-match "^0.4.1"
     concat-map "0.0.1"
@@ -911,16 +911,16 @@ browserify-zlib@^0.1.4:
   dependencies:
     pako "~0.2.0"
 
-browserslist@^1.0.1, browserslist@^1.5.2, browserslist@^1.7.6:
+browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
   version "1.7.7"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
   dependencies:
     caniuse-db "^1.0.30000639"
     electron-to-chromium "^1.2.7"
 
-buble@^0.14.0:
-  version "0.14.3"
-  resolved "https://registry.yarnpkg.com/buble/-/buble-0.14.3.tgz#678cb1fc24dc90e5ada047deaa5ddc6f6da8983e"
+buble@^0.15.0:
+  version "0.15.2"
+  resolved "https://registry.yarnpkg.com/buble/-/buble-0.15.2.tgz#547fc47483f8e5e8176d82aa5ebccb183b02d613"
   dependencies:
     acorn "^3.3.0"
     acorn-jsx "^3.0.1"
@@ -930,7 +930,7 @@ buble@^0.14.0:
     minimist "^1.2.0"
     os-homedir "^1.0.1"
 
-buffer-shims@^1.0.0:
+buffer-shims@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
 
@@ -955,8 +955,8 @@ builtin-status-codes@^3.0.0:
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
 
 bunyan@^1.8.3:
-  version "1.8.9"
-  resolved "https://registry.yarnpkg.com/bunyan/-/bunyan-1.8.9.tgz#2c7c9d422ea64ee2465d52b4decd72de0657401a"
+  version "1.8.10"
+  resolved "https://registry.yarnpkg.com/bunyan/-/bunyan-1.8.10.tgz#201fedd26c7080b632f416072f53a90b9a52981c"
   optionalDependencies:
     dtrace-provider "~0.8"
     moment "^2.10.6"
@@ -1016,17 +1016,17 @@ camelize@1.0.0:
   resolved "https://registry.yarnpkg.com/camelize/-/camelize-1.0.0.tgz#164a5483e630fa4321e5af07020e531831b2609b"
 
 caniuse-api@^1.5.2:
-  version "1.5.3"
-  resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.5.3.tgz#5018e674b51c393e4d50614275dc017e27c4a2a2"
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.6.1.tgz#b534e7c734c4f81ec5fbe8aca2ad24354b962c6c"
   dependencies:
-    browserslist "^1.0.1"
-    caniuse-db "^1.0.30000346"
-    lodash.memoize "^4.1.0"
-    lodash.uniq "^4.3.0"
+    browserslist "^1.3.6"
+    caniuse-db "^1.0.30000529"
+    lodash.memoize "^4.1.2"
+    lodash.uniq "^4.5.0"
 
-caniuse-db@^1.0.30000346, caniuse-db@^1.0.30000634, caniuse-db@^1.0.30000639:
-  version "1.0.30000640"
-  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000640.tgz#7b7fd3cf13c0d9d41f8754b577b202113e2be7ca"
+caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634, caniuse-db@^1.0.30000639:
+  version "1.0.30000650"
+  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000650.tgz#615f564d367533d32b82d72ada09661e75386bab"
 
 caseless@~0.11.0:
   version "0.11.0"
@@ -1122,8 +1122,8 @@ clap@^1.0.9:
     chalk "^1.1.3"
 
 clean-css@4.0.x:
-  version "4.0.10"
-  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.0.10.tgz#6be448d6ba8c767654ebe11f158b97a887cb713f"
+  version "4.0.11"
+  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.0.11.tgz#a6d88bffb399420b24298db49d99a1ed067534a8"
   dependencies:
     source-map "0.5.x"
 
@@ -1206,15 +1206,15 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
 "codemirror@git+https://github.com/hackmdio/CodeMirror.git":
-  version "5.21.1"
-  resolved "git+https://github.com/hackmdio/CodeMirror.git#6e6b29c967336bbdcec3dffd11ca776e173e563e"
+  version "5.25.1"
+  resolved "git+https://github.com/hackmdio/CodeMirror.git#a56213a385e22797e85d406cfbedc42617579354"
   dependencies:
     blint "^0.5.1"
     node-static "0.6.0"
     phantomjs-prebuilt "^2.1.12"
-    rollup "^0.34.10"
-    rollup-plugin-buble "^0.14.0"
-    rollup-watch "^2.5.0"
+    rollup "^0.41.0"
+    rollup-plugin-buble "^0.15.0"
+    rollup-watch "^3.2.0"
     uglify-js "^2.8.15"
 
 collapse-whitespace@1.1.2:
@@ -1297,10 +1297,10 @@ component-inherit@0.0.3:
   resolved "https://registry.yarnpkg.com/component-inherit/-/component-inherit-0.0.3.tgz#645fc4adf58b72b649d5cae65135619db26ff143"
 
 compressible@~2.0.8:
-  version "2.0.9"
-  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.9.tgz#6daab4e2b599c2770dd9e21e7a891b1c5a755425"
+  version "2.0.10"
+  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.10.tgz#feda1c7f7617912732b29bf8cf26252a20b9eecd"
   dependencies:
-    mime-db ">= 1.24.0 < 2"
+    mime-db ">= 1.27.0 < 2"
 
 compression@^1.6.2:
   version "1.6.2"
@@ -1393,8 +1393,8 @@ content-type@~1.0.2:
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
 
 convert-source-map@^1.1.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.4.0.tgz#e3dad195bf61bfe13a7a3c73e9876ec14a0268f3"
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
 
 cookie-parser@1.4.3:
   version "1.4.3"
@@ -1652,9 +1652,9 @@ debug-log@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/debug-log/-/debug-log-1.0.1.tgz#2307632d4c04382b8df8a32f70b895046d52745f"
 
-debug@*, debug@2.6.1, debug@^2.1.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.1.tgz#79855090ba2c4e3115cc7d8769491d58f0491351"
+debug@*, debug@2.6.3, debug@^2.1.1, debug@^2.2.0:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.3.tgz#0f7eb8c30965ec08c72accfa0130c8b79984141d"
   dependencies:
     ms "0.7.2"
 
@@ -1674,9 +1674,9 @@ debug@2.3.3:
   dependencies:
     ms "0.7.2"
 
-debug@2.6.3, debug@^2.2.0:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.3.tgz#0f7eb8c30965ec08c72accfa0130c8b79984141d"
+debug@2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.1.tgz#79855090ba2c4e3115cc7d8769491d58f0491351"
   dependencies:
     ms "0.7.2"
 
@@ -1692,6 +1692,10 @@ deep-extend@~0.4.0:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.1.tgz#efe4113d08085f4e6f9687759810f807469e2253"
 
+deep-freeze@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/deep-freeze/-/deep-freeze-0.0.1.tgz#3a0b0005de18672819dfd38cd31f91179c893e84"
+
 deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
@@ -1921,8 +1925,8 @@ ejs@^2.5.5:
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.5.6.tgz#479636bfa3fe3b1debd52087f0acb204b4f19c88"
 
 electron-to-chromium@^1.2.7:
-  version "1.2.8"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.2.8.tgz#22c2e6200d350da27d6050db7e3f6f85d18cf4ed"
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.3.tgz#651eb63fe89f39db70ffc8dbd5d9b66958bc6a0e"
 
 emojify.js@~1.1.0:
   version "1.1.0"
@@ -2175,10 +2179,10 @@ eslint@~3.18.0:
     user-home "^2.0.0"
 
 espree@^3.4.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-3.4.0.tgz#41656fa5628e042878025ef467e78f125cb86e1d"
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.4.1.tgz#28a83ab4aaed71ed8fe0f5efe61b76a05c13c4d2"
   dependencies:
-    acorn "4.0.4"
+    acorn "^5.0.1"
     acorn-jsx "^3.0.0"
 
 esprima@^2.6.0, esprima@^2.7.1:
@@ -2291,17 +2295,17 @@ expose-loader@^0.7.1:
   resolved "https://registry.yarnpkg.com/expose-loader/-/expose-loader-0.7.3.tgz#35fbd3659789e4faa81f59de8b7e9fc39e466d51"
 
 express-session@^1.14.2:
-  version "1.15.1"
-  resolved "https://registry.yarnpkg.com/express-session/-/express-session-1.15.1.tgz#9abba15971beea7ad98da5a4d25ed92ba4a2984e"
+  version "1.15.2"
+  resolved "https://registry.yarnpkg.com/express-session/-/express-session-1.15.2.tgz#d98516443a4ccb8688e1725ae584c02daa4093d4"
   dependencies:
     cookie "0.3.1"
     cookie-signature "1.0.6"
     crc "3.4.4"
-    debug "2.6.1"
+    debug "2.6.3"
     depd "~1.1.0"
     on-headers "~1.0.1"
     parseurl "~1.3.1"
-    uid-safe "~2.1.3"
+    uid-safe "~2.1.4"
     utils-merge "1.0.0"
 
 express@>=4.14:
@@ -2594,8 +2598,8 @@ flatten@^1.0.2:
   resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
 
 flowchart.js@^1.6.4:
-  version "1.6.5"
-  resolved "https://registry.yarnpkg.com/flowchart.js/-/flowchart.js-1.6.5.tgz#877aa913bd6a8ea99d98aa4613e83dc3b9f943de"
+  version "1.6.6"
+  resolved "https://registry.yarnpkg.com/flowchart.js/-/flowchart.js-1.6.6.tgz#2592aa881325614eefd681c00a40cca7561e85ec"
   dependencies:
     raphael "2.2.7"
 
@@ -2622,8 +2626,8 @@ forever-agent@~0.6.1:
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
 
 form-data@~2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.2.tgz#89c3534008b97eada4cbb157d58f6f5df025eae4"
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.4.tgz#33c183acf193276ecaa98143a69e94bfee1750d1"
   dependencies:
     asynckit "^0.4.0"
     combined-stream "^1.0.5"
@@ -2747,6 +2751,10 @@ generic-pool@2.4.2:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/generic-pool/-/generic-pool-2.4.2.tgz#886bc5bf0beb7db96e81bcbba078818de5a62683"
 
+generic-pool@2.4.3:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/generic-pool/-/generic-pool-2.4.3.tgz#780c36f69dfad05a5a045dd37be7adca11a4f6ff"
+
 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"
@@ -2870,8 +2878,8 @@ global-prefix@^0.1.4:
     which "^1.2.12"
 
 globals@^9.0.0, globals@^9.14.0:
-  version "9.16.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-9.16.0.tgz#63e903658171ec2d9f51b1d31de5e2b8dc01fb80"
+  version "9.17.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.17.0.tgz#0c0ca696d9b9bb694d2e5470bd37777caad50286"
 
 globby@^5.0.0:
   version "5.0.0"
@@ -2946,19 +2954,19 @@ grunt-contrib-jshint@:
     jshint "~2.9.4"
 
 grunt-contrib-qunit@:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/grunt-contrib-qunit/-/grunt-contrib-qunit-1.3.0.tgz#9dac628cfd4ec815998633db73b52bdb3ddbc99e"
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/grunt-contrib-qunit/-/grunt-contrib-qunit-2.0.0.tgz#54a51b4b2c84fee62c3b7e00145c928d1ec2b7ec"
   dependencies:
     grunt-lib-phantomjs "^1.0.0"
 
 grunt-contrib-uglify@:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/grunt-contrib-uglify/-/grunt-contrib-uglify-2.2.0.tgz#9e67c2469b4774daa3345840511d51fc4fb34f19"
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/grunt-contrib-uglify/-/grunt-contrib-uglify-2.3.0.tgz#b3d0260ebdd6cefa12ff2f8e9e1e259f7de4216f"
   dependencies:
     chalk "^1.0.0"
     maxmin "^1.1.0"
     object.assign "^4.0.4"
-    uglify-js "~2.8.3"
+    uglify-js "~2.8.21"
     uri-path "^1.0.0"
 
 grunt-known-options@~1.1.0:
@@ -3217,8 +3225,8 @@ html-encoding-sniffer@^1.0.1:
     whatwg-encoding "^1.0.1"
 
 html-minifier@^3.2.3:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.4.2.tgz#31896baaf735c1d95f7a0b7291f9dc36c0720752"
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.4.3.tgz#eb3a7297c804611f470454eeebe0aacc427e424a"
   dependencies:
     camel-case "3.0.x"
     clean-css "4.0.x"
@@ -3227,7 +3235,7 @@ html-minifier@^3.2.3:
     ncname "1.0.x"
     param-case "2.1.x"
     relateurl "0.2.x"
-    uglify-js "2.8.x"
+    uglify-js "~2.8.22"
 
 html-webpack-plugin@^2.25.0:
   version "2.28.0"
@@ -3331,8 +3339,8 @@ ienoopen@1.0.0:
   resolved "https://registry.yarnpkg.com/ienoopen/-/ienoopen-1.0.0.tgz#346a428f474aac8f50cf3784ea2d0f16f62bda6b"
 
 ignore@^3.0.9, ignore@^3.2.0:
-  version "3.2.6"
-  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.2.6.tgz#26e8da0644be0bb4cb39516f6c79f0e0f4ffe48c"
+  version "3.2.7"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.2.7.tgz#4810ca5f1d8eca5595213a34b94f2eb4ed926bbd"
 
 ignorefs@^1.0.0:
   version "1.2.0"
@@ -3351,7 +3359,7 @@ image-size@~0.5.0:
 
 "imgur@git+https://github.com/hackmdio/node-imgur.git":
   version "0.1.7"
-  resolved "git+https://github.com/hackmdio/node-imgur.git#91b86ccea46f27a57d8a164661f629603b46fbef"
+  resolved "git+https://github.com/hackmdio/node-imgur.git#c0fc609da4056f3bb66f3877057c789cb90e4b42"
   dependencies:
     commander "^2.3.0"
     glob "^4.0.5"
@@ -3433,8 +3441,8 @@ interpret@^0.6.4:
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-0.6.6.tgz#fecd7a18e7ce5ca6abfb953e1f86213a49f1625b"
 
 interpret@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.1.tgz#d579fb7f693b858004947af39fa0db49f795602c"
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.2.tgz#f4f623f0bb7122f15f5717c8e254b8161b5c5b2d"
 
 invariant@^2.2.0:
   version "2.2.2"
@@ -3450,9 +3458,9 @@ ionicons@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/ionicons/-/ionicons-2.0.1.tgz#ca398113293ea870244f538f0aabbd4b5b209a3e"
 
-ipaddr.js@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.2.0.tgz#8aba49c9192799585bdd643e0ccb50e8ae777ba4"
+ipaddr.js@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.3.0.tgz#1e03a52fdad83a8bbb2b25cbf4998b4cffcd3dec"
 
 is-absolute-url@^2.0.0:
   version "2.1.0"
@@ -3706,8 +3714,8 @@ js-beautify@^1.6.11:
     nopt "~3.0.1"
 
 js-cookie@^2.1.3:
-  version "2.1.3"
-  resolved "https://registry.yarnpkg.com/js-cookie/-/js-cookie-2.1.3.tgz#48071625217ac9ecfab8c343a13d42ec09ff0526"
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/js-cookie/-/js-cookie-2.1.4.tgz#da4ec503866f149d164cf25f579ef31015025d8d"
 
 js-sequence-diagrams@^1000000.0.6:
   version "1000000.0.6"
@@ -3729,8 +3737,8 @@ js-url@^2.3.0:
     grunt-contrib-uglify ""
 
 js-yaml@^3.5.1, js-yaml@^3.7.0:
-  version "3.8.2"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.2.tgz#02d3e2c0f6beab20248d412c352203827d786721"
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.3.tgz#33a05ec481c850c8875929166fe1beb61c728766"
   dependencies:
     argparse "^1.0.7"
     esprima "^3.1.1"
@@ -4129,7 +4137,7 @@ lodash.mapvalues@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.mapvalues/-/lodash.mapvalues-4.6.0.tgz#1bafa5005de9dd6f4f26668c30ca37230cc9689c"
 
-lodash.memoize@^4.1.0:
+lodash.memoize@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
 
@@ -4178,7 +4186,7 @@ lodash.templatesettings@^3.0.0:
     lodash._reinterpolate "^3.0.0"
     lodash.escape "^3.0.0"
 
-lodash.uniq@^4.3.0:
+lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
@@ -4202,10 +4210,6 @@ lodash@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
 
-lodash@~3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.5.0.tgz#19bb3f4d51278f0b8c818ed145c74ecf9fe40e6d"
-
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -4462,10 +4466,10 @@ meta-marked@^0.4.2:
     marked "~0.3.6"
 
 method-override@^2.3.7:
-  version "2.3.7"
-  resolved "https://registry.yarnpkg.com/method-override/-/method-override-2.3.7.tgz#8e1d47ac480fb0cd8777083f11c896901166b2e5"
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/method-override/-/method-override-2.3.8.tgz#178234bf4bab869f89df9444b06fc6147b44828c"
   dependencies:
-    debug "2.3.3"
+    debug "2.6.3"
     methods "~1.1.2"
     parseurl "~1.3.1"
     vary "~1.1.0"
@@ -4492,19 +4496,15 @@ micromatch@^2.1.5, micromatch@^2.3.7:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-"mime-db@>= 1.24.0 < 2":
+"mime-db@>= 1.27.0 < 2", mime-db@~1.27.0:
   version "1.27.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.27.0.tgz#820f572296bbd20ec25ed55e5b5de869e5436eb1"
 
-mime-db@~1.26.0:
-  version "1.26.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.26.0.tgz#eaffcd0e4fc6935cf8134da246e2e6c35305adff"
-
-mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.13, mime-types@~2.1.7:
-  version "2.1.14"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.14.tgz#f7ef7d97583fcaf3b7d282b6f8b5679dab1e94ee"
+mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.15, mime-types@~2.1.7:
+  version "2.1.15"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.15.tgz#a4ebf5064094569237b8cf70046776d09fc92aed"
   dependencies:
-    mime-db "~1.26.0"
+    mime-db "~1.27.0"
 
 mime@1.3.4, mime@1.3.x, mime@^1.2.11:
   version "1.3.4"
@@ -4554,12 +4554,12 @@ mkdirp@0.5.0:
     minimist "0.0.8"
 
 moment-timezone@^0.5.4:
-  version "0.5.11"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.11.tgz#9b76c03d8ef514c7e4249a7bbce649eed39ef29f"
+  version "0.5.13"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.13.tgz#99ce5c7d827262eb0f1f702044177f60745d7b90"
   dependencies:
-    moment ">= 2.6.0"
+    moment ">= 2.9.0"
 
-"moment@>= 2.6.0", moment@^2.10.6, moment@^2.13.0, moment@^2.17.1, moment@^2.8.3, moment@^2.9.0:
+"moment@>= 2.9.0", moment@^2.10.6, moment@^2.13.0, moment@^2.17.1, moment@^2.8.3, moment@^2.9.0:
   version "2.18.1"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.18.1.tgz#c36193dd3ce1c2eed2adb7c802dbbc77a81b1c0f"
 
@@ -4616,8 +4616,8 @@ mysql@^2.12.0:
     sqlstring "2.2.0"
 
 nan@^2.0.8, nan@^2.3.0, nan@^2.3.3:
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.5.1.tgz#d5b01691253326a97a2bbee9e61c55d8d60351e2"
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.1.tgz#8c84f7b14c96b89f57fbc838012180ec8ca39a01"
 
 nan@~2.4.0:
   version "2.4.0"
@@ -4745,8 +4745,10 @@ normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
     validate-npm-package-license "^3.0.1"
 
 normalize-path@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.0.1.tgz#47886ac1662760d4261b7d979d241709d3ce3f7a"
+  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"
 
 normalize-range@^0.1.2:
   version "0.1.2"
@@ -5184,10 +5186,10 @@ pg-hstore@^2.3.2:
     underscore "^1.7.0"
 
 pg-pool@1.*:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-1.6.0.tgz#2e300199927b6d7db6be71e2e3435dddddf07b41"
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-1.7.0.tgz#f795f4a39439fa0ffbdd418052e40c51e8782369"
   dependencies:
-    generic-pool "2.4.2"
+    generic-pool "2.4.3"
     object-assign "4.1.0"
 
 pg-types@1.*:
@@ -5559,8 +5561,8 @@ pretty-bytes@^1.0.0:
     meow "^3.1.0"
 
 pretty-error@^2.0.2:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.0.3.tgz#bed3d816a008e76da617cde8216f4b778849b5d9"
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.1.0.tgz#87f4e9d706a24c87d6cbee9fabec001fcf8c75d8"
   dependencies:
     renderkid "^2.0.1"
     utila "~0.4"
@@ -5602,11 +5604,11 @@ proto-list@~1.2.1:
   resolved "https://registry.yarnpkg.com/proto-list/-/proto-list-1.2.4.tgz#212d5bfe1318306a420f6402b8e26ff39647a849"
 
 proxy-addr@~1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-1.1.3.tgz#dc97502f5722e888467b3fa2297a7b1ff47df074"
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-1.1.4.tgz#27e545f6960a44a627d9b44467e35c1b6b4ce2f3"
   dependencies:
     forwarded "~0.1.0"
-    ipaddr.js "1.2.0"
+    ipaddr.js "1.3.0"
 
 prr@~0.0.0:
   version "0.0.0"
@@ -5705,8 +5707,8 @@ raw-loader@~0.5.1:
   resolved "https://registry.yarnpkg.com/raw-loader/-/raw-loader-0.5.1.tgz#0c3d0beaed8a01c966d9787bf778281252a979aa"
 
 rc@^1.1.7:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/rc/-/rc-1.1.7.tgz#c5ea564bb07aff9fd3a5b32e906c1d3a65940fea"
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.1.tgz#2e03e8e42ee450b8cb3dce65be1bf8974e1dfd95"
   dependencies:
     deep-extend "~0.4.0"
     ini "~1.3.0"
@@ -5746,16 +5748,16 @@ readable-stream@1.1, readable-stream@1.1.14, readable-stream@~1.1.9:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-"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@^2.1.5, readable-stream@^2.2.2:
-  version "2.2.6"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.6.tgz#8b43aed76e71483938d12a8d46c6cf1a00b1f816"
+"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@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
+  version "2.2.9"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.9.tgz#cf78ec6f4a6d1eb43d26488cac97f042e74b7fc8"
   dependencies:
-    buffer-shims "^1.0.0"
+    buffer-shims "~1.0.0"
     core-util-is "~1.0.0"
     inherits "~2.0.1"
     isarray "~1.0.0"
     process-nextick-args "~1.0.6"
-    string_decoder "~0.10.x"
+    string_decoder "~1.0.0"
     util-deprecate "~1.0.1"
 
 readable-stream@~2.0.0:
@@ -5829,9 +5831,9 @@ regenerator-runtime@^0.10.0:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.3.tgz#8c4367a904b51ea62a908ac310bf99ff90a82a3e"
 
-regenerator-transform@0.9.8:
-  version "0.9.8"
-  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.9.8.tgz#0f88bb2bc03932ddb7b6b7312e68078f01026d6c"
+regenerator-transform@0.9.11:
+  version "0.9.11"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.9.11.tgz#3a7d067520cb7b7176769eb5ff868691befe1283"
   dependencies:
     babel-runtime "^6.18.0"
     babel-types "^6.19.0"
@@ -5881,6 +5883,10 @@ remarkable@^1.6.0:
     argparse "~0.1.15"
     autolinker "~0.15.0"
 
+remove-trailing-separator@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.0.1.tgz#615ebb96af559552d4bf4057c8436d486ab63cc4"
+
 renderkid@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/renderkid/-/renderkid-2.0.1.tgz#898cabfc8bede4b7b91135a3ffd323e58c0db319"
@@ -5975,6 +5981,10 @@ require-main-filename@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
 
+require-relative@0.8.7:
+  version "0.8.7"
+  resolved "https://registry.yarnpkg.com/require-relative/-/require-relative-0.8.7.tgz#7999539fc9e047a37928fa196f8e1563dabd36de"
+
 require-uncached@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
@@ -6049,11 +6059,11 @@ ripemd160@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-0.2.0.tgz#2bf198bde167cacfa51c0a928e84b68bbe171fce"
 
-rollup-plugin-buble@^0.14.0:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-buble/-/rollup-plugin-buble-0.14.0.tgz#3726db55fef9b9cd37cebed559cbbd4b9b2e5bc6"
+rollup-plugin-buble@^0.15.0:
+  version "0.15.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-buble/-/rollup-plugin-buble-0.15.0.tgz#83c3e89c7fd2266c7918f41ba3980313519c7fd0"
   dependencies:
-    buble "^0.14.0"
+    buble "^0.15.0"
     rollup-pluginutils "^1.5.0"
 
 rollup-pluginutils@^1.5.0:
@@ -6063,15 +6073,15 @@ rollup-pluginutils@^1.5.0:
     estree-walker "^0.2.1"
     minimatch "^3.0.2"
 
-rollup-watch@^2.5.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/rollup-watch/-/rollup-watch-2.5.0.tgz#852d660ddecc51696890aa8c22e95ed4558cc5f7"
+rollup-watch@^3.2.0:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/rollup-watch/-/rollup-watch-3.2.2.tgz#5e574232e9ef36da9177f46946d8080cb267354b"
   dependencies:
-    semver "^5.1.0"
+    require-relative "0.8.7"
 
-rollup@^0.34.10:
-  version "0.34.13"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.34.13.tgz#a211cdde31f96cb39e7cb4e35becb15ddc3efa19"
+rollup@^0.41.0:
+  version "0.41.6"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.41.6.tgz#e0d05497877a398c104d816d2733a718a7a94e2a"
   dependencies:
     source-map-support "^0.4.0"
 
@@ -6103,13 +6113,9 @@ safefs@^3.1.2:
   dependencies:
     graceful-fs "*"
 
-sax@1.1.5, sax@>=0.6.0:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/sax/-/sax-1.1.5.tgz#1da50a8d00cdecd59405659f5ff85349fe773743"
-
-sax@^1.2.1, sax@~1.2.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.2.tgz#fd8631a23bc7826bef5d871bdb87378c95647828"
+sax@1.2.1, sax@>=0.6.0, sax@^1.2.1, sax@~1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.1.tgz#7b8e656190b228e81a66aea748480d828cd2d37a"
 
 scandirectory@^2.5.0:
   version "2.5.0"
@@ -6184,8 +6190,8 @@ send@0.15.1:
     statuses "~1.3.1"
 
 sequelize-cli@^2.5.1:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/sequelize-cli/-/sequelize-cli-2.6.0.tgz#8fb7b1d4aa40a4ff26d33fd72f3d0223d9506baa"
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/sequelize-cli/-/sequelize-cli-2.7.0.tgz#122c26bf46609001fbc158404529f795f3950ea2"
   dependencies:
     bluebird "^3.5.0"
     cli-color "~1.2.0"
@@ -6201,8 +6207,8 @@ sequelize-cli@^2.5.1:
     yargs "^7.0.1"
 
 sequelize@^3.28.0:
-  version "3.30.2"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-3.30.2.tgz#8fb5a5769a01777451593924092f9d3061eb935f"
+  version "3.30.4"
+  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-3.30.4.tgz#bda2df1e31854b099e4149a111e9fc0a5ca1d1a4"
   dependencies:
     bluebird "^3.3.4"
     depd "^1.1.0"
@@ -6516,12 +6522,12 @@ stream-from-to@^1.4.2:
     series-stream "^1.0.1"
 
 stream-http@^2.3.1:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.6.3.tgz#4c3ddbf9635968ea2cfd4e48d43de5def2625ac3"
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.7.0.tgz#cec1f4e3b494bc4a81b451808970f8b20b4ed5f6"
   dependencies:
     builtin-status-codes "^3.0.0"
     inherits "^2.0.1"
-    readable-stream "^2.1.0"
+    readable-stream "^2.2.6"
     to-arraybuffer "^1.0.0"
     xtend "^4.0.0"
 
@@ -6556,6 +6562,12 @@ string_decoder@^0.10.25, string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
+string_decoder@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.0.tgz#f06f41157b664d86069f84bdbdc9b0d8ab281667"
+  dependencies:
+    buffer-shims "~1.0.0"
+
 stringstream@~0.0.4:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
@@ -6757,8 +6769,8 @@ timers-browserify@^2.0.2:
     setimmediate "^1.0.4"
 
 timers-ext@0.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/timers-ext/-/timers-ext-0.1.1.tgz#d6422f1ebd67772355f46c93f25e3933992c8b08"
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/timers-ext/-/timers-ext-0.1.2.tgz#61cc47a76c1abd3195f14527f978d58ae94c5204"
   dependencies:
     es5-ext "~0.10.14"
     next-tick "1"
@@ -6857,11 +6869,11 @@ type-check@~0.3.2:
     prelude-ls "~1.1.2"
 
 type-is@~1.6.14:
-  version "1.6.14"
-  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.14.tgz#e219639c17ded1ca0789092dd54a03826b817cb2"
+  version "1.6.15"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.15.tgz#cab10fb4909e441c82842eafe1ad646c81804410"
   dependencies:
     media-typer "0.3.0"
-    mime-types "~2.1.13"
+    mime-types "~2.1.15"
 
 typechecker@^2.0.8:
   version "2.1.0"
@@ -6885,9 +6897,9 @@ uc.micro@^1.0.1, uc.micro@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.3.tgz#7ed50d5e0f9a9fb0a573379259f2a77458d50192"
 
-uglify-js@2.8.x, uglify-js@^2.6, uglify-js@^2.6.2, uglify-js@^2.8.15, uglify-js@~2.8.3:
-  version "2.8.15"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.15.tgz#835dd4cd5872554756e6874508d0d0561704d94d"
+uglify-js@^2.6, uglify-js@^2.6.2, uglify-js@^2.8.15, uglify-js@~2.8.21, uglify-js@~2.8.22:
+  version "2.8.22"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.22.tgz#d54934778a8da14903fa29a326fb24c0ab51a1a0"
   dependencies:
     source-map "~0.5.1"
     yargs "~3.10.0"
@@ -6911,7 +6923,7 @@ uid-number@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
 
-uid-safe@~2.1.3:
+uid-safe@~2.1.4:
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/uid-safe/-/uid-safe-2.1.4.tgz#3ad6f38368c6d4c8c75ec17623fb79aa1d071d81"
   dependencies:
@@ -7042,17 +7054,17 @@ utils-merge@1.0.0, utils-merge@1.x.x:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
 
-uuid@3.0.0, uuid@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.0.tgz#6728fc0459c450d796a99c31837569bdf672d728"
+uuid@3.0.1, uuid@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
 
 uws@~0.14.1:
   version "0.14.1"
   resolved "https://registry.yarnpkg.com/uws/-/uws-0.14.1.tgz#89b8eb7bced272c65621472e878c57f4e0e00640"
 
 v8flags@^2.0.10, v8flags@^2.0.2:
-  version "2.0.11"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.0.11.tgz#bca8f30f0d6d60612cc2c00641e6962d42ae6881"
+  version "2.0.12"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.0.12.tgz#73235d9f7176f8e8833fb286795445f7938d84e5"
   dependencies:
     user-home "^1.1.1"
 
@@ -7239,8 +7251,8 @@ whatwg-encoding@^1.0.1:
     iconv-lite "0.4.13"
 
 whatwg-url@^4.3.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-4.6.0.tgz#ef98da442273be04cf9632e176f257d2395a1ae4"
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-4.7.0.tgz#202035ac1955b087cdd20fa8b58ded3ab1cd2af5"
   dependencies:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
@@ -7336,18 +7348,18 @@ xml-name-validator@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-2.0.1.tgz#4d8b8f1eccd3419aa362061becef515e1e559635"
 
-xml2js@0.4.15:
-  version "0.4.15"
-  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.15.tgz#95cd03ff2dd144ec28bc6273bf2b2890c581ad0c"
+xml2js@0.4.17:
+  version "0.4.17"
+  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.17.tgz#17be93eaae3f3b779359c795b419705a8817e868"
   dependencies:
     sax ">=0.6.0"
-    xmlbuilder ">=2.4.6"
+    xmlbuilder "^4.1.0"
 
-xmlbuilder@2.6.2, xmlbuilder@>=2.4.6:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-2.6.2.tgz#f916f6d10d45dc171b1be2e6e673fb6e0cc35d0a"
+xmlbuilder@4.2.1, xmlbuilder@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-4.2.1.tgz#aa58a3041a066f90eaa16c2f5389ff19f3f461a5"
   dependencies:
-    lodash "~3.5.0"
+    lodash "^4.0.0"
 
 xmldom@0.1.x:
   version "0.1.27"