diff --git a/lib/node-redis-pubsub.js b/lib/node-redis-pubsub.js
index 460d740..d704fec 100644
--- a/lib/node-redis-pubsub.js
+++ b/lib/node-redis-pubsub.js
@@ -1,5 +1,5 @@
-"use strict";
-var redis = require('redis');
+const redis = require('redis')
+const noop = () => {}
 
 /**
  * Create a new NodeRedisPubsub instance that can subscribe to channels and publish messages
@@ -8,112 +8,112 @@ var redis = require('redis');
  *                 scope - Optional, two NodeRedisPubsubs with different scopes will not share messages
  *                 url - Optional, a correctly formed redis connection url
  */
-function NodeRedisPubsub(options){
-  if (!(this instanceof NodeRedisPubsub)){ return new NodeRedisPubsub(options); }
-
-  if(!options)
-    options = {};
-
-  var auth = options.auth;
-  var redisUrl = options.url;
-
-  options.port = options.port || 6379;   // 6379 is Redis' default
-  options.host = options.host || '127.0.0.1';
-
-  // Need to create two Redis clients as one cannot be both in receiver and emitter mode
-  // I wonder why that is, by the way ...
-  if (!redisUrl) {
-    this.emitter  = redis.createClient(options);
-    this.receiver = redis.createClient(options);
-  } else {
-    delete options.url;
-    this.emitter  = redis.createClient(redisUrl, options);
-    this.receiver = redis.createClient(redisUrl, options);
+class NodeRedisPubsub {
+  constructor(opts) {
+    const options = Object.assign({}, { port: 6379, host: '127.0.0.1' }, opts)
+    const { auth = null, redisUrl = null } = options
+
+    if (!redisUrl) {
+      this.emitter = redis.createClient(options)
+      this.receiver = redis.createClient(options)
+    } else {
+      delete options.url
+      this.emitter = redis.createClient(redisUrl, options)
+      this.receiver = redis.createClient(redisUrl, options)
+    }
+
+    if (auth) {
+      this.emitter.auth(auth)
+      this.receiver.auth(auth)
+    }
+
+    this.receiver.setMaxListeners(0)
+    this.prefix = options.scope ? options.scope + ':' : ''
   }
 
-  if(auth){
-    this.emitter.auth(auth);
-    this.receiver.auth(auth);
+  /**
+   * Return the emitter object to be used as a regular redis client to save resources.
+   */
+  getRedisClient() {
+    return this.emitter
   }
 
-  this.receiver.setMaxListeners(0);
-  this.prefix = options.scope ? options.scope + ':' : '';
-}
+  /**
+   * Subscribe to a channel
+   * @param {String} channel The channel to subscribe to, can be a pattern e.g. 'user.*'
+   * @param {Function} handler Function to call with the received message.
+   * @param {Function} cb Optional callback to call once the handler is registered.
+   *
+   */
+  on(channel, handler, callback = noop) {
+    if (channel === 'error') {
+      this.errorHandler = handler
+      this.emitter.on('error', handler)
+      this.receiver.on('error', handler)
+      callback()
+      return
+    }
 
-/**
- * Return the emitter object to be used as a regular redis client to save resources.
- */
-NodeRedisPubsub.prototype.getRedisClient = function(){
-  return this.emitter;
-};
+    const fullChannel = `${this.prefix}${channel}`
 
-/**
- * Subscribe to a channel
- * @param {String} channel The channel to subscribe to, can be a pattern e.g. 'user.*'
- * @param {Function} handler Function to call with the received message.
- * @param {Function} cb Optional callback to call once the handler is registered.
- *
- */
-NodeRedisPubsub.prototype.on = NodeRedisPubsub.prototype.subscribe = function(channel, handler, callback){
-  if(!callback)
-    callback = function(){};
-  var self = this;
-
-  if(channel === "error"){
-    self.errorHandler = handler;
-    this.emitter.on("error", handler);
-    this.receiver.on("error", handler);
-    callback();
-    return;
-  }
+    const pmessageHandler = (pattern, channel, message) => {
+      if (fullChannel !== pattern) return
 
-  var pmessageHandler = function(pattern, _channel, message){
-    if(self.prefix + channel === pattern){ 
-      try{
-        return handler(JSON.parse(message), _channel); 
-      } catch (ex){
-        if(typeof self.errorHandler === 'function'){
-          return self.errorHandler("Invalid JSON received! Channel: " + self.prefix + channel + " Message: " + message);
+      try {
+        return handler(JSON.parse(message), channel)
+      } catch (ex) {
+        if (typeof this.errorHandler === 'function') {
+          return this.errorHandler(`Invalid JSON received! Channel: ${fullChannel} Message: ${message}`)
         }
-      } 
+      }
     }
-  };
 
-  this.receiver.on('pmessage', pmessageHandler);
+    this.receiver.on('pmessage', pmessageHandler)
+    this.receiver.psubscribe(fullChannel, callback)
 
-  this.receiver.psubscribe(this.prefix + channel, callback);
+    const removeListener = callback => {
+      this.receiver.removeListener('pmessage', pmessageHandler)
+      return this.receiver.punsubscribe(fullChannel, callback)
+    }
 
-  var removeListener = function(callback){
-    self.receiver.removeListener('pmessage', pmessageHandler);
-    return self.receiver.punsubscribe(self.prefix + channel, callback);
-  };
+    return removeListener
+  }
 
-  return removeListener;
-};
+  subscribe(channel, handler, callback = noop) {
+    return this.on(channel, handler, callback)
+  }
 
-/**
- * Emit an event
- * @param {String} channel Channel on which to emit the message
- * @param {Object} message
- */
-NodeRedisPubsub.prototype.emit = NodeRedisPubsub.prototype.publish = function (channel, message) {
-  return this.emitter.publish(this.prefix + channel, JSON.stringify(message));
-};
+  off(channel, callback = noop) {
+    return this.receiver.punsubscribe(`${this.prefix}${channel}`, callback)
+  }
 
-/**
- * Safely close the redis connections 'soon'
- */
-NodeRedisPubsub.prototype.quit = function() {
-  this.emitter.quit();
-  this.receiver.quit();
-};
+  /**
+   * Emit an event
+   * @param {String} channel Channel on which to emit the message
+   * @param {Object} message
+   */
+  emit(channel, message) {
+    return this.emitter.publish(`${this.prefix}${channel}`, JSON.stringify(message))
+  }
 
-/**
- * Dangerously close the redis connections immediately
- */
-NodeRedisPubsub.prototype.end = function() {
-  this.emitter.end();
-  this.receiver.end();
-};
+  publish(channel, message) {
+    return this.emit(channel, message)
+  }
+
+  /**
+   * Safely close the redis connections 'soon'
+   */
+  quit() {
+    this.emitter.quit()
+    this.receiver.quit()
+  }
 
-module.exports = NodeRedisPubsub;
+  /**
+   * Dangerously close the redis connections immediately
+   */
+  end() {
+    this.emitter.end()
+    this.receiver.end()
+  }
+}
+module.exports = NodeRedisPubsub
diff --git a/package.json b/package.json
index 16fc6e5..70706df 100644
--- a/package.json
+++ b/package.json
@@ -1,40 +1,29 @@
 {
+  "name": "node-redis-pubsub",
+  "version": "1.0.4",
 
-  "name"    : "node-redis-pubsub" ,
-  "version" : "1.0.3"             ,
-
-  "author" : {
-    "name"  : "Louis Chatriot"          ,
-    "email" : "louis.chatriot@gmail.com"
+  "author": {
+    "name": "Louis Chatriot",
+    "email": "louis.chatriot@gmail.com"
   },
 
-  "contributors" : [
-    "Louis Chatriot"      ,
-    "omarmohamed"         ,
-    "Martin Saint-Macary" ,
-    "Narciso Guillen"
-  ],
+  "contributors": ["Louis Chatriot", "omarmohamed", "Martin Saint-Macary", "Narciso Guillen", "notVitaliy"],
 
-  "description" : "Redis PubSub client for Node",
+  "description": "Redis PubSub client for Node",
 
-  "keywords" : [
-    "redis"  ,
-    "pubsub" ,
-    "node"   ,
-    "simple"
-  ],
+  "keywords": ["redis", "pubsub", "node", "simple"],
 
-  "homepage" : "https://github.com/louischatriot/node-redis-pubsub",
+  "homepage": "https://github.com/louischatriot/node-redis-pubsub",
 
-  "dependencies" : {
-    "redis" : "^2.7.1"
+  "dependencies": {
+    "redis": "^2.8.0"
   },
 
-  "devDependencies" : {
-    "chai"      : "^3.5.0",
-    "mocha"     : "*",
-    "should"    : "*",
-    "sinon"     : "^1.14.1",
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "mocha": "*",
+    "should": "*",
+    "sinon": "^1.14.1",
     "sinon-chai": "^2.7.0"
   },
 
@@ -44,14 +33,14 @@
   },
 
   "engines": {
-    "node": "*"
+    "node": ">=6"
   },
 
-  "main" : "index",
+  "main": "index",
 
-  "scripts" : {
-    "test" : "make test"
+  "scripts": {
+    "test": "make test"
   },
 
-  "licence" : "mit"
+  "licence": "mit"
 }
diff --git a/test/redisQueue.test.js b/test/redisQueue.test.js
index ae71161..9f36bff 100644
--- a/test/redisQueue.test.js
+++ b/test/redisQueue.test.js
@@ -1,149 +1,172 @@
-var chai = require('chai')
-  , conf = { port: 6379, scope: 'onescope' }
-  , conf2 = { port: 6379, scope: 'anotherscope' }
-  , conf3 = { url: 'redis://127.0.0.1:6379/', scope: 'yetanotherscope' }
-  , NodeRedisPubsub = require('../index')
-  , sinon = require("sinon")
-  , sinonChai = require("sinon-chai")
-  ;
-
-chai.should();
+var chai = require('chai'),
+  conf = { port: 6379, scope: 'onescope' },
+  conf2 = { port: 6379, scope: 'anotherscope' },
+  conf3 = { url: 'redis://127.0.0.1:6379/', scope: 'yetanotherscope' },
+  NodeRedisPubsub = require('../index'),
+  sinon = require('sinon'),
+  sinonChai = require('sinon-chai')
+
+chai.should()
 chai.use(sinonChai)
 
-describe('Node Redis Pubsub', function () {
-
-  it('Should send and receive standard messages correctly', function (done) {
-    var rq = new NodeRedisPubsub(conf);
-
-    rq.on('a test', function (data, channel) {
-      data.first.should.equal('First message');
-      data.second.should.equal('Second message');
-      channel.should.equal("onescope:a test");
-      done();
-    }
-    , function () {
-        rq.emit('a test', { first: 'First message'
-                            , second: 'Second message' });
-      });
-  });
-
-  it('Should send and receive standard messages correctly via url configuration', function (done) {
-    var rq = new NodeRedisPubsub(conf3);
-
-    rq.on('a test', function (data, channel) {
-      data.first.should.equal('First message');
-      data.second.should.equal('Second message');
-      channel.should.equal("yetanotherscope:a test");
-      done();
-    }
-    , function () {
-        rq.emit('a test', { first: 'First message'
-                            , second: 'Second message' });
-      });
-  });
-
-  it('Should receive pattern messages correctly', function (done) {
-    var rq = new NodeRedisPubsub(conf);
-
-    rq.on('test:*', function (data, channel) {
-      data.first.should.equal('First message');
-      data.second.should.equal('Second message');
-      channel.should.equal("onescope:test:created");
-      done();
-    }
-    , function () {
-        rq.emit('test:created', { first: 'First message'
-                            , second: 'Second message' });
-      });
-  });
-
-  it('Should only receive messages for his own scope', function (done) {
+describe('Node Redis Pubsub', function() {
+  it('Should send and receive standard messages correctly', function(done) {
     var rq = new NodeRedisPubsub(conf)
-      , rq2 = new NodeRedisPubsub(conf2)
-      ;
-
-    rq.on('thesame', function (data) {
-      data.first.should.equal('First message');
-      data.second.should.equal('Second message');
-      rq2.emit('thesame', { third: 'Third message' });
-    }
-    , function () {
-        rq2.on('thesame', function (data) {
-          data.third.should.equal('Third message');   // Tests would fail here if rq2 received message destined to rq
-          done();
-        }, function () {
-          rq.emit('thesame', { first: 'First message'
-                             , second: 'Second message' });
-        });
-      });
-  });
-
-  it('Should have the ability to unsubscribe', function (done) {
-    var rq     = new NodeRedisPubsub();
-    var called = false;
-
-    rq.should.have.property('off');
-    rq.on('a test', function (data){
-      called = true;
-    }, function(){
-      rq.off('a test');
-      rq.emit('a test', { });
-    });
-
-    setTimeout(function(){
-      called.should.be.false;
-      done();
-    }, 10);
-
-  });
-
-  
-  it('Should gracefully handle invalid JSON message data', function (done) {
-    var rq = new NodeRedisPubsub(conf);
-
-    rq.on('error', function (err) {
-      err.should.include('Invalid JSON received!');
-      done();
-    });
-    rq.on('a test', function (data, channel){
-      channel.should.equal("onescope:a test");
-      data.should.equal({});
-      var invalidJSON = 'hello';
-      rq.emitter.publish(channel, invalidJSON);
-    }
-    , function () {
-        var validJSON = {};
-        rq.emit('a test', validJSON);
-      });
-  });  
-
-
-  describe("When shutting down connections", function () {
-    var sandbox, rq;
-    beforeEach(function () {
-      rq = new NodeRedisPubsub();
-      sandbox = sinon.sandbox.create();
-      sandbox.stub(rq.emitter, "quit");
-      sandbox.stub(rq.receiver, "quit");
-      sandbox.stub(rq.emitter, "end");
-      sandbox.stub(rq.receiver, "end");
-    });
-    afterEach(function () {
-      sandbox.restore();
-    });
-
-    it('Should safely shut down the connections', function () {
-      rq.quit();
-      rq.emitter.quit.should.have.been.calledOnce;
-      rq.receiver.quit.should.have.been.calledOnce;
-    });
-
-    it('Should dangerously shut down the connections', function () {
-      rq.end();
-      rq.emitter.end.should.have.been.calledOnce;
-      rq.receiver.end.should.have.been.calledOnce;
-    });
-
-  });
-
-});
+
+    rq.on(
+      'a test',
+      function(data, channel) {
+        data.first.should.equal('First message')
+        data.second.should.equal('Second message')
+        channel.should.equal('onescope:a test')
+        done()
+      },
+      function() {
+        rq.emit('a test', {
+          first: 'First message',
+          second: 'Second message',
+        })
+      },
+    )
+  })
+
+  it('Should send and receive standard messages correctly via url configuration', function(done) {
+    var rq = new NodeRedisPubsub(conf3)
+
+    rq.on(
+      'a test',
+      function(data, channel) {
+        data.first.should.equal('First message')
+        data.second.should.equal('Second message')
+        channel.should.equal('yetanotherscope:a test')
+        done()
+      },
+      function() {
+        rq.emit('a test', {
+          first: 'First message',
+          second: 'Second message',
+        })
+      },
+    )
+  })
+
+  it('Should receive pattern messages correctly', function(done) {
+    var rq = new NodeRedisPubsub(conf)
+
+    rq.on(
+      'test:*',
+      function(data, channel) {
+        data.first.should.equal('First message')
+        data.second.should.equal('Second message')
+        channel.should.equal('onescope:test:created')
+        done()
+      },
+      function() {
+        rq.emit('test:created', {
+          first: 'First message',
+          second: 'Second message',
+        })
+      },
+    )
+  })
+
+  it('Should only receive messages for his own scope', function(done) {
+    var rq = new NodeRedisPubsub(conf),
+      rq2 = new NodeRedisPubsub(conf2)
+
+    rq.on(
+      'thesame',
+      function(data) {
+        data.first.should.equal('First message')
+        data.second.should.equal('Second message')
+        rq2.emit('thesame', { third: 'Third message' })
+      },
+      function() {
+        rq2.on(
+          'thesame',
+          function(data) {
+            data.third.should.equal('Third message') // Tests would fail here if rq2 received message destined to rq
+            done()
+          },
+          function() {
+            rq.emit('thesame', {
+              first: 'First message',
+              second: 'Second message',
+            })
+          },
+        )
+      },
+    )
+  })
+
+  it('Should have the ability to unsubscribe', function(done) {
+    var rq = new NodeRedisPubsub()
+    var called = false
+
+    rq.should.have.property('off')
+    rq.on(
+      'a test',
+      function(data) {
+        called = true
+      },
+      function() {
+        rq.off('a test')
+        rq.emit('a test', {})
+      },
+    )
+
+    setTimeout(function() {
+      called.should.be.false
+      done()
+    }, 10)
+  })
+
+  it('Should gracefully handle invalid JSON message data', function(done) {
+    var rq = new NodeRedisPubsub(conf)
+
+    rq.on('error', function(err) {
+      err.should.include('Invalid JSON received!')
+      done()
+    })
+    rq.on(
+      'a test',
+      function(data, channel) {
+        channel.should.equal('onescope:a test')
+        data.should.equal({})
+        var invalidJSON = 'hello'
+        rq.emitter.publish(channel, invalidJSON)
+      },
+      function() {
+        var validJSON = {}
+        rq.emit('a test', validJSON)
+      },
+    )
+  })
+
+  describe('When shutting down connections', function() {
+    var sandbox, rq
+    beforeEach(function() {
+      rq = new NodeRedisPubsub()
+      sandbox = sinon.sandbox.create()
+      sandbox.stub(rq.emitter, 'quit')
+      sandbox.stub(rq.receiver, 'quit')
+      sandbox.stub(rq.emitter, 'end')
+      sandbox.stub(rq.receiver, 'end')
+    })
+    afterEach(function() {
+      sandbox.restore()
+    })
+
+    it('Should safely shut down the connections', function() {
+      rq.quit()
+      rq.emitter.quit.should.have.been.calledOnce
+      rq.receiver.quit.should.have.been.calledOnce
+    })
+
+    it('Should dangerously shut down the connections', function() {
+      rq.end()
+      rq.emitter.end.should.have.been.calledOnce
+      rq.receiver.end.should.have.been.calledOnce
+    })
+  })
+})
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..e024314
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,258 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+assertion-error@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.0.2.tgz#13ca515d86206da0bac66e834dd397d87581094c"
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+
+brace-expansion@^1.1.7:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+browser-stdout@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
+
+chai@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-3.5.0.tgz#4d02637b067fe958bdbfdd3a40ec56fef7373247"
+  dependencies:
+    assertion-error "^1.0.1"
+    deep-eql "^0.1.3"
+    type-detect "^1.0.0"
+
+commander@2.11.0:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+debug@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  dependencies:
+    ms "2.0.0"
+
+deep-eql@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-0.1.3.tgz#ef558acab8de25206cd713906d74e56930eb69f2"
+  dependencies:
+    type-detect "0.1.1"
+
+diff@3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.1.tgz#aa8567a6eed03c531fc89d3f711cd0e5259dec75"
+
+double-ended-queue@^2.1.0-0:
+  version "2.1.0-0"
+  resolved "https://registry.yarnpkg.com/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz#103d3527fd31528f40188130c841efdd78264e5c"
+
+escape-string-regexp@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+
+formatio@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/formatio/-/formatio-1.1.1.tgz#5ed3ccd636551097383465d996199100e86161e9"
+  dependencies:
+    samsam "~1.1"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+glob@7.1.2:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+growl@1.10.3:
+  version "1.10.3"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.3.tgz#1926ba90cf3edfe2adb4927f5880bc22c66c790f"
+
+has-flag@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
+
+he@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+inherits@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
+
+lolex@1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/lolex/-/lolex-1.3.2.tgz#7c3da62ffcb30f0f5a80a2566ca24e45d8a01f31"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+mkdirp@0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  dependencies:
+    minimist "0.0.8"
+
+mocha@*:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-4.0.1.tgz#0aee5a95cf69a4618820f5e51fa31717117daf1b"
+  dependencies:
+    browser-stdout "1.3.0"
+    commander "2.11.0"
+    debug "3.1.0"
+    diff "3.3.1"
+    escape-string-regexp "1.0.5"
+    glob "7.1.2"
+    growl "1.10.3"
+    he "1.1.1"
+    mkdirp "0.5.1"
+    supports-color "4.4.0"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+redis-commands@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/redis-commands/-/redis-commands-1.3.1.tgz#81d826f45fa9c8b2011f4cd7a0fe597d241d442b"
+
+redis-parser@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/redis-parser/-/redis-parser-2.6.0.tgz#52ed09dacac108f1a631c07e9b69941e7a19504b"
+
+redis@^2.8.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/redis/-/redis-2.8.0.tgz#202288e3f58c49f6079d97af7a10e1303ae14b02"
+  dependencies:
+    double-ended-queue "^2.1.0-0"
+    redis-commands "^1.2.0"
+    redis-parser "^2.6.0"
+
+samsam@1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.1.2.tgz#bec11fdc83a9fda063401210e40176c3024d1567"
+
+samsam@~1.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.1.3.tgz#9f5087419b4d091f232571e7fa52e90b0f552621"
+
+should-equal@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/should-equal/-/should-equal-2.0.0.tgz#6072cf83047360867e68e98b09d71143d04ee0c3"
+  dependencies:
+    should-type "^1.4.0"
+
+should-format@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/should-format/-/should-format-3.0.3.tgz#9bfc8f74fa39205c53d38c34d717303e277124f1"
+  dependencies:
+    should-type "^1.3.0"
+    should-type-adaptors "^1.0.1"
+
+should-type-adaptors@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/should-type-adaptors/-/should-type-adaptors-1.0.1.tgz#efe5553cdf68cff66e5c5f51b712dc351c77beaa"
+  dependencies:
+    should-type "^1.3.0"
+    should-util "^1.0.0"
+
+should-type@^1.3.0, should-type@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/should-type/-/should-type-1.4.0.tgz#0756d8ce846dfd09843a6947719dfa0d4cff5cf3"
+
+should-util@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/should-util/-/should-util-1.0.0.tgz#c98cda374aa6b190df8ba87c9889c2b4db620063"
+
+should@*:
+  version "13.1.3"
+  resolved "https://registry.yarnpkg.com/should/-/should-13.1.3.tgz#a089bdf7979392a8272a712c8b63acbaafb7948f"
+  dependencies:
+    should-equal "^2.0.0"
+    should-format "^3.0.3"
+    should-type "^1.4.0"
+    should-type-adaptors "^1.0.1"
+    should-util "^1.0.0"
+
+sinon-chai@^2.7.0:
+  version "2.14.0"
+  resolved "https://registry.yarnpkg.com/sinon-chai/-/sinon-chai-2.14.0.tgz#da7dd4cc83cd6a260b67cca0f7a9fdae26a1205d"
+
+sinon@^1.14.1:
+  version "1.17.7"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-1.17.7.tgz#4542a4f49ba0c45c05eb2e9dd9d203e2b8efe0bf"
+  dependencies:
+    formatio "1.1.1"
+    lolex "1.3.2"
+    samsam "1.1.2"
+    util ">=0.10.3 <1"
+
+supports-color@4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.4.0.tgz#883f7ddabc165142b2a61427f3352ded195d1a3e"
+  dependencies:
+    has-flag "^2.0.0"
+
+type-detect@0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-0.1.1.tgz#0ba5ec2a885640e470ea4e8505971900dac58822"
+
+type-detect@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
+
+"util@>=0.10.3 <1":
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
+  dependencies:
+    inherits "2.0.1"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"