dry some code

Author: feross

lib/client/websocket-tracker.js

@@ -276,11 +276,7 @@ WebSocketTracker.prototype._onAnnounceResponse = function (data) {
   var peer
   if (data.offer && data.peer_id) {
     debug('creating peer (from remote offer)')
-    peer = self._createPeer({
-      trickle: false,
-      config: self.client._rtcConfig,
-      wrtc: self.client._wrtc
-    })
+    peer = self._createPeer()
     peer.id = common.binaryToHex(data.peer_id)
     peer.once('signal', function (answer) {
       var params = {
@@ -389,12 +385,7 @@ WebSocketTracker.prototype._generateOffers = function (numwant, cb) {
   function generateOffer () {
     var offerId = randombytes(20).toString('hex')
     debug('creating peer (from _generateOffers)')
-    var peer = self.peers[offerId] = self._createPeer({
-      initiator: true,
-      trickle: false,
-      config: self.client._rtcConfig,
-      wrtc: self.client._wrtc
-    })
+    var peer = self.peers[offerId] = self._createPeer({ initiator: true })
     peer.once('signal', function (offer) {
       offers.push({
         offer: offer,
@@ -421,6 +412,13 @@ WebSocketTracker.prototype._generateOffers = function (numwant, cb) {
 
 WebSocketTracker.prototype._createPeer = function (opts) {
   var self = this
+
+  opts = Object.assign({
+    trickle: false,
+    config: self.client._rtcConfig,
+    wrtc: self.client._wrtc
+  }, opts)
+
   var peer = new Peer(opts)
 
   peer.once('error', onError)