Add StandardJS workflow

Been running these locally only.

.github/workflows/standardjs.yaml

@@ -0,0 +1,17 @@
+name: StandardJS
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+jobs:
+  StandardJS:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+      - run: npm install standard
+      - run: npx standard

examples/broadcast/jsfiddle/demo.js

@@ -1,10 +1,10 @@
 /* eslint-env browser */
-var log = msg => {
+const log = msg => {
   document.getElementById('logs').innerHTML += msg + '<br>'
 }
 
 window.createSession = isPublisher => {
-  let pc = new RTCPeerConnection({
+  const pc = new RTCPeerConnection({
     iceServers: [
       {
         urls: 'stun:stun.l.google.com:19302'
@@ -21,7 +21,7 @@ window.createSession = isPublisher => {
   if (isPublisher) {
     navigator.mediaDevices.getUserMedia({ video: true, audio: false })
       .then(stream => {
-        stream.getTracks().forEach(track => pc.addTrack(track, stream));
+        stream.getTracks().forEach(track => pc.addTrack(track, stream))
         document.getElementById('video1').srcObject = stream
         pc.createOffer()
           .then(d => pc.setLocalDescription(d))
@@ -34,7 +34,7 @@ window.createSession = isPublisher => {
       .catch(log)
 
     pc.ontrack = function (event) {
-      var el = document.getElementById('video1')
+      const el = document.getElementById('video1')
       el.srcObject = event.streams[0]
       el.autoplay = true
       el.controls = true
@@ -42,7 +42,7 @@ window.createSession = isPublisher => {
   }
 
   window.startSession = () => {
-    let sd = document.getElementById('remoteSessionDescription').value
+    const sd = document.getElementById('remoteSessionDescription').value
     if (sd === '') {
       return alert('Session Description must not be empty')
     }
@@ -67,9 +67,9 @@ window.createSession = isPublisher => {
     } catch (err) {
       log('Unable to copy SDP ' + err)
     }
-}
+  }
 
-  let btns = document.getElementsByClassName('createSessionButton')
+  const btns = document.getElementsByClassName('createSessionButton')
   for (let i = 0; i < btns.length; i++) {
     btns[i].style = 'display: none'
   }

examples/data-channels/jsfiddle/demo.js

@@ -1,17 +1,17 @@
 /* eslint-env browser */
 
-let pc = new RTCPeerConnection({
+const pc = new RTCPeerConnection({
   iceServers: [
     {
       urls: 'stun:stun.l.google.com:19302'
     }
   ]
 })
-let log = msg => {
+const log = msg => {
   document.getElementById('logs').innerHTML += msg + '<br>'
 }
 
-let sendChannel = pc.createDataChannel('foo')
+const sendChannel = pc.createDataChannel('foo')
 sendChannel.onclose = () => console.log('sendChannel has closed')
 sendChannel.onopen = () => console.log('sendChannel has opened')
 sendChannel.onmessage = e => log(`Message from DataChannel '${sendChannel.label}' payload '${e.data}'`)
@@ -27,7 +27,7 @@ pc.onnegotiationneeded = e =>
   pc.createOffer().then(d => pc.setLocalDescription(d)).catch(log)
 
 window.sendMessage = () => {
-  let message = document.getElementById('message').value
+  const message = document.getElementById('message').value
   if (message === '') {
     return alert('Message must not be empty')
   }
@@ -36,7 +36,7 @@ window.sendMessage = () => {
 }
 
 window.startSession = () => {
-  let sd = document.getElementById('remoteSessionDescription').value
+  const sd = document.getElementById('remoteSessionDescription').value
   if (sd === '') {
     return alert('Session Description must not be empty')
   }

examples/insertable-streams/jsfiddle/demo.js

@@ -3,17 +3,17 @@
 // cipherKey that video is encrypted with
 const cipherKey = 0xAA
 
-let pc = new RTCPeerConnection({encodedInsertableStreams: true, forceEncodedVideoInsertableStreams: true})
-let log = msg => {
+const pc = new RTCPeerConnection({ encodedInsertableStreams: true, forceEncodedVideoInsertableStreams: true })
+const log = msg => {
   document.getElementById('div').innerHTML += msg + '<br>'
 }
 
 // Offer to receive 1 video
-let transceiver = pc.addTransceiver('video')
+const transceiver = pc.addTransceiver('video')
 
 // The API has seen two iterations, support both
 // In the future this will just be `createEncodedStreams`
-let receiverStreams = getInsertableStream(transceiver)
+const receiverStreams = getInsertableStream(transceiver)
 
 // boolean controlled by checkbox to enable/disable encryption
 let applyDecryption = true
@@ -24,8 +24,8 @@ window.toggleDecryption = () => {
 // Loop that is called for each video frame
 const reader = receiverStreams.readable.getReader()
 const writer = receiverStreams.writable.getWriter()
-reader.read().then(function processVideo({ done, value }) {
-  let decrypted = new DataView(value.data)
+reader.read().then(function processVideo ({ done, value }) {
+  const decrypted = new DataView(value.data)
 
   if (applyDecryption) {
     for (let i = 0; i < decrypted.buffer.byteLength; i++) {
@@ -41,7 +41,7 @@ reader.read().then(function processVideo({ done, value }) {
 // Fire when remote video arrives
 pc.ontrack = function (event) {
   document.getElementById('remote-video').srcObject = event.streams[0]
-  document.getElementById('remote-video').style = ""
+  document.getElementById('remote-video').style = ''
 }
 
 // Populate SDP field when finished gathering
@@ -54,7 +54,7 @@ pc.onicecandidate = event => {
 pc.createOffer().then(d => pc.setLocalDescription(d)).catch(log)
 
 window.startSession = () => {
-  let sd = document.getElementById('remoteSessionDescription').value
+  const sd = document.getElementById('remoteSessionDescription').value
   if (sd === '') {
     return alert('Session Description must not be empty')
   }
@@ -68,8 +68,8 @@ window.startSession = () => {
 
 // DOM code to show banner if insertable streams not supported
 let insertableStreamsSupported = true
-let updateSupportBanner = () => {
-  let el = document.getElementById('no-support-banner')
+const updateSupportBanner = () => {
+  const el = document.getElementById('no-support-banner')
   if (insertableStreamsSupported && el) {
     el.style = 'display: none'
   }
@@ -77,7 +77,7 @@ let updateSupportBanner = () => {
 document.addEventListener('DOMContentLoaded', updateSupportBanner)
 
 // Shim to support both versions of API
-function getInsertableStream(transceiver) {
+function getInsertableStream (transceiver) {
   let insertableStreams = null
   if (transceiver.receiver.createEncodedVideoStreams) {
     insertableStreams = transceiver.receiver.createEncodedVideoStreams()
@@ -88,7 +88,7 @@ function getInsertableStream(transceiver) {
   if (!insertableStreams) {
     insertableStreamsSupported = false
     updateSupportBanner()
-    throw 'Insertable Streams are not supported'
+    throw new Error('Insertable Streams are not supported')
   }
 
   return insertableStreams

examples/reflect/jsfiddle/demo.js

@@ -1,19 +1,19 @@
 /* eslint-env browser */
 
-let pc = new RTCPeerConnection({
+const pc = new RTCPeerConnection({
   iceServers: [
     {
       urls: 'stun:stun.l.google.com:19302'
     }
   ]
 })
-var log = msg => {
+const log = msg => {
   document.getElementById('logs').innerHTML += msg + '<br>'
 }
 
 navigator.mediaDevices.getUserMedia({ video: true, audio: true })
   .then(stream => {
-    stream.getTracks().forEach(track => pc.addTrack(track, stream));
+    stream.getTracks().forEach(track => pc.addTrack(track, stream))
     pc.createOffer().then(d => pc.setLocalDescription(d)).catch(log)
   }).catch(log)
 
@@ -24,7 +24,7 @@ pc.onicecandidate = event => {
   }
 }
 pc.ontrack = function (event) {
-  var el = document.createElement(event.track.kind)
+  const el = document.createElement(event.track.kind)
   el.srcObject = event.streams[0]
   el.autoplay = true
   el.controls = true
@@ -33,7 +33,7 @@ pc.ontrack = function (event) {
 }
 
 window.startSession = () => {
-  let sd = document.getElementById('remoteSessionDescription').value
+  const sd = document.getElementById('remoteSessionDescription').value
   if (sd === '') {
     return alert('Session Description must not be empty')
   }
@@ -59,4 +59,3 @@ window.copySDP = () => {
     log('Unable to copy SDP ' + err)
   }
 }
-

examples/rtp-forwarder/jsfiddle/demo.js

@@ -1,13 +1,13 @@
 /* eslint-env browser */
 
-let pc = new RTCPeerConnection({
+const pc = new RTCPeerConnection({
   iceServers: [
     {
       urls: 'stun:stun.l.google.com:19302'
     }
   ]
 })
-var log = msg => {
+const log = msg => {
   document.getElementById('logs').innerHTML += msg + '<br>'
 }
 
@@ -26,7 +26,7 @@ pc.onicecandidate = event => {
 }
 
 window.startSession = () => {
-  let sd = document.getElementById('remoteSessionDescription').value
+  const sd = document.getElementById('remoteSessionDescription').value
   if (sd === '') {
     return alert('Session Description must not be empty')
   }

examples/save-to-disk/jsfiddle/demo.js

@@ -1,13 +1,13 @@
 /* eslint-env browser */
 
-let pc = new RTCPeerConnection({
+const pc = new RTCPeerConnection({
   iceServers: [
     {
       urls: 'stun:stun.l.google.com:19302'
     }
   ]
 })
-var log = msg => {
+const log = msg => {
   document.getElementById('logs').innerHTML += msg + '<br>'
 }
 
@@ -27,7 +27,7 @@ pc.onicecandidate = event => {
 }
 
 window.startSession = () => {
-  let sd = document.getElementById('remoteSessionDescription').value
+  const sd = document.getElementById('remoteSessionDescription').value
   if (sd === '') {
     return alert('Session Description must not be empty')
   }

examples/simulcast/jsfiddle/demo.js

@@ -1,95 +1,95 @@
+/* eslint-env browser */
+
 // Create peer conn
 const pc = new RTCPeerConnection({
-  iceServers: [
-    {
-      urls: "stun:stun.l.google.com:19302",
-    },
-  ],
-});
+  iceServers: [{
+    urls: 'stun:stun.l.google.com:19302'
+  }]
+})
 
 pc.oniceconnectionstatechange = (e) => {
-  console.log("connection state change", pc.iceConnectionState);
-};
+  console.log('connection state change', pc.iceConnectionState)
+}
 pc.onicecandidate = (event) => {
   if (event.candidate === null) {
-    document.getElementById("localSessionDescription").value = btoa(
+    document.getElementById('localSessionDescription').value = btoa(
       JSON.stringify(pc.localDescription)
-    );
+    )
   }
-};
+}
 
 pc.onnegotiationneeded = (e) =>
   pc
     .createOffer()
     .then((d) => pc.setLocalDescription(d))
-    .catch(console.error);
+    .catch(console.error)
 
 pc.ontrack = (event) => {
-  console.log("Got track event", event);
-  let video = document.createElement("video");
-  video.srcObject = event.streams[0];
-  video.autoplay = true;
-  video.width = "500";
-  let label = document.createElement("div");
-  label.textContent = event.streams[0].id;
-  document.getElementById("serverVideos").appendChild(label);
-  document.getElementById("serverVideos").appendChild(video);
-};
+  console.log('Got track event', event)
+  const video = document.createElement('video')
+  video.srcObject = event.streams[0]
+  video.autoplay = true
+  video.width = '500'
+  const label = document.createElement('div')
+  label.textContent = event.streams[0].id
+  document.getElementById('serverVideos').appendChild(label)
+  document.getElementById('serverVideos').appendChild(video)
+}
 
 navigator.mediaDevices
   .getUserMedia({
     video: {
       width: {
-        ideal: 4096,
+        ideal: 4096
       },
       height: {
-        ideal: 2160,
+        ideal: 2160
       },
       frameRate: {
         ideal: 60,
-        min: 10,
+        min: 10
+      }
     },
-    },
-    audio: false,
+    audio: false
   })
   .then((stream) => {
-    document.getElementById("browserVideo").srcObject = stream;
+    document.getElementById('browserVideo').srcObject = stream
     pc.addTransceiver(stream.getVideoTracks()[0], {
-      direction: "sendonly",
+      direction: 'sendonly',
       streams: [stream],
       sendEncodings: [
         // for firefox order matters... first high resolution, then scaled resolutions...
         {
-          rid: "f",
+          rid: 'f'
         },
         {
-          rid: "h",
-          scaleResolutionDownBy: 2.0,
+          rid: 'h',
+          scaleResolutionDownBy: 2.0
         },
         {
-          rid: "q",
-          scaleResolutionDownBy: 4.0,
-        },
-      ],
-    });
-    pc.addTransceiver("video");
-    pc.addTransceiver("video");
-    pc.addTransceiver("video");
-  });
+          rid: 'q',
+          scaleResolutionDownBy: 4.0
+        }
+      ]
+    })
+    pc.addTransceiver('video')
+    pc.addTransceiver('video')
+    pc.addTransceiver('video')
+  })
 
 window.startSession = () => {
-  const sd = document.getElementById("remoteSessionDescription").value;
-  if (sd === "") {
-    return alert("Session Description must not be empty");
+  const sd = document.getElementById('remoteSessionDescription').value
+  if (sd === '') {
+    return alert('Session Description must not be empty')
   }
 
   try {
-    console.log("answer", JSON.parse(atob(sd)));
-    pc.setRemoteDescription(new RTCSessionDescription(JSON.parse(atob(sd))));
+    console.log('answer', JSON.parse(atob(sd)))
+    pc.setRemoteDescription(new RTCSessionDescription(JSON.parse(atob(sd))))
   } catch (e) {
-    alert(e);
+    alert(e)
   }
-};
+}
 
 window.copySDP = () => {
   const browserSDP = document.getElementById('localSessionDescription')

examples/swap-tracks/jsfiddle/demo.js

@@ -1,3 +1,4 @@
+/* eslint-env browser */
 
 // Create peer conn
 const pc = new RTCPeerConnection({
@@ -38,7 +39,7 @@ requestAnimationFrame(() => drawCircle(document.getElementById('canvasOne').getC
 requestAnimationFrame(() => drawCircle(document.getElementById('canvasTwo').getContext('2d'), '#cf635f', 0))
 requestAnimationFrame(() => drawCircle(document.getElementById('canvasThree').getContext('2d'), '#46c240', 0))
 
-function drawCircle(ctx, color, angle) {
+function drawCircle (ctx, color, angle) {
   // Background
   ctx.clearRect(0, 0, 200, 200)
   ctx.fillStyle = '#eeeeee'

test-wasm/node_shim.js

@@ -1,10 +1,10 @@
 // This file adds RTCPeerConnection to the global context, making Node.js more
 // closely match the browser API for WebRTC.
 
-const wrtc = require("wrtc");
+const wrtc = require('wrtc')
 
 global.window = {
   RTCPeerConnection: wrtc.RTCPeerConnection
-};
+}
 
-global.RTCPeerConnection = wrtc.RTCPeerConnection;
+global.RTCPeerConnection = wrtc.RTCPeerConnection