diff --git a/.eslintrc b/.eslintrc
index f569a0c..43899d2 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -29,7 +29,8 @@
         "expect": true,
         "localStorage": false,
         "window": false,
-        "jest": true
+        "jest": true,
+        "jasmine": true
     },
 
     "rules": {
diff --git a/src/client/debug/index.js b/src/client/debug/index.js
index 6e2ed31..53ae0cc 100644
--- a/src/client/debug/index.js
+++ b/src/client/debug/index.js
@@ -1,31 +1,45 @@
 const iceServers = require('./iceServers.js');
 
-function checkTURNServer(turnConfig, timeout){
+function noop() {}
+
+function checkTURNServer(turnConfig, timeout) {
 
   console.log('checking turn server', turnConfig);
 
-  return new Promise(function(resolve, reject){
+  return new Promise(function(resolve, reject) {
 
-    setTimeout(function(){
-        if(promiseResolved) return;
+    setTimeout(function() {
+        if (promiseResolved) return;
         resolve(false);
         promiseResolved = true;
     }, timeout || 5000);
 
-    var promiseResolved = false
-      , myPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection   //compatibility for firefox and chrome
-      , pc = new myPeerConnection({iceServers:[turnConfig]})
-      , noop = function(){};
-    pc.createDataChannel("");    //create a bogus data channel
-    pc.createOffer(function(sdp){
-      if(sdp.sdp.indexOf('typ relay') > -1){ // sometimes sdp contains the ice candidates...
+    const promiseResolved = false;
+    const PeerConnection = window.RTCPeerConnection ||
+      window.mozRTCPeerConnection ||
+      window.webkitRTCPeerConnection;
+
+    const pc = new PeerConnection({ iceServers: [turnConfig] });
+
+    // create a bogus data channel
+    pc.createDataChannel('');
+    pc.createOffer(function(sdp) {
+      // sometimes sdp contains the ice candidates...
+      if (sdp.sdp.indexOf('typ relay') > -1) {
         promiseResolved = true;
         resolve(true);
       }
       pc.setLocalDescription(sdp, noop, noop);
-    }, noop);    // create offer and set local description
-    pc.onicecandidate = function(ice){  //listen for candidate events
-      if(promiseResolved || !ice || !ice.candidate || !ice.candidate.candidate || !(ice.candidate.candidate.indexOf('typ relay')>-1))  return;
+    }, noop);
+
+    pc.onicecandidate = function(ice) {
+      if (promiseResolved ||
+          !ice ||
+          !ice.candidate ||
+          !ice.candidate.candidate ||
+          !(ice.candidate.candidate.indexOf('typ relay') > -1)) {
+        return;
+      }
       promiseResolved = true;
       resolve(true);
     };
diff --git a/src/server/__tests__/turn-test.js b/src/server/__tests__/turn-test.js
index 3497fd6..196b4b9 100644
--- a/src/server/__tests__/turn-test.js
+++ b/src/server/__tests__/turn-test.js
@@ -27,7 +27,7 @@ describe('turn', () => {
       username: 'c',
       secret: 'd',
       auth: 'secret'
-    }]
+    }];
 
     it('does not expose secret', () => {
       const s = turn.processServers(servers);
@@ -40,7 +40,7 @@ describe('turn', () => {
         credential: jasmine.any(String)
       });
       expect(s[1].username).toMatch(/^[0-9]+:c$/);
-    })
+    });
 
     it('throws error when unknown auth type', () => {
       expect(() => turn.processServers([{ auth: 'bla' }]))