Allow peers w/o streams to receive streams, closes #26

Related to: https://github.com/feross/simple-peer/issues/95

src/client/actions/CallActions.js

@@ -45,6 +45,6 @@ export const getCameraStream = () => dispatch => {
   })
   .catch(err => {
     dispatch(NotifyActions.alert('Could not get access to microphone & camera'))
-    throw err
+    return null
   })
 }

src/client/actions/PeerActions.js

@@ -83,8 +83,14 @@ export function createPeer ({ socket, user, initiator, stream }) {
 
     const peer = new Peer({
       initiator: socket.id === initiator,
-      stream,
-      config: { iceServers }
+      config: { iceServers },
+      // Allow the peer to receive video, even if it's not sending stream:
+      // https://github.com/feross/simple-peer/issues/95
+      offerConstraints: {
+        offerToReceiveAudio: true,
+        offerToReceiveVideo: true
+      },
+      stream
     })
 
     const handler = new PeerHandler({

src/client/actions/__tests__/CallActions-test.js

@@ -80,11 +80,11 @@ describe('reducers/alerts', () => {
       const promise = store.dispatch(CallActions.init())
       socket.emit('connect')
       promise
-      .then(done.fail)
-      .catch(err => {
-        expect(err.message).toEqual('test')
+      .then(result => {
+        expect(result.value).toBe(null)
         done()
       })
+      .catch(done.fail)
     })
 
   })