Update variable declarations

client/webrtc.js

@@ -1,11 +1,11 @@
-var localVideo;
-var localStream;
-var remoteVideo;
-var peerConnection;
-var uuid;
-var serverConnection;
+let localVideo;
+let localStream;
+let remoteVideo;
+let peerConnection;
+let uuid;
+let serverConnection;
 
-var peerConnectionConfig = {
+const peerConnectionConfig = {
   'iceServers': [
     {'urls': 'stun:stun.stunprotocol.org:3478'},
     {'urls': 'stun:stun.l.google.com:19302'},
@@ -21,7 +21,7 @@ function pageReady() {
   serverConnection = new WebSocket('wss://' + window.location.hostname + ':8443');
   serverConnection.onmessage = gotMessageFromServer;
 
-  var constraints = {
+  const constraints = {
     video: true,
     audio: true,
   };
@@ -51,8 +51,7 @@ function start(isCaller) {
 
 function gotMessageFromServer(message) {
   if(!peerConnection) start(false);
-
-  var signal = JSON.parse(message.data);
+  let signal = JSON.parse(message.data);
 
   // Ignore messages from ourself
   if(signal.uuid == uuid) return;

package-lock.json

@@ -1,8 +1,43 @@
 {
   "name": "WebRTC-Example",
   "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 2,
   "requires": true,
+  "packages": {
+    "": {
+      "name": "WebRTC-Example",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "ws": "^3.3.2"
+      }
+    },
+    "node_modules/async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+    },
+    "node_modules/safe-buffer": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
+      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+    },
+    "node_modules/ultron": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
+      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
+    },
+    "node_modules/ws": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
+      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+      "dependencies": {
+        "async-limiter": "~1.0.0",
+        "safe-buffer": "~5.1.0",
+        "ultron": "~1.1.0"
+      }
+    }
+  },
   "dependencies": {
     "async-limiter": {
       "version": "1.0.0",
@@ -24,9 +59,9 @@
       "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
       "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
       "requires": {
-        "async-limiter": "1.0.0",
-        "safe-buffer": "5.1.1",
-        "ultron": "1.1.1"
+        "async-limiter": "~1.0.0",
+        "safe-buffer": "~5.1.0",
+        "ultron": "~1.1.0"
       }
     }
   }