compatible with proxying to processId. colyseus/colyseus#176

package.json

@@ -1,6 +1,6 @@
 {
   "name": "colyseus.js",
-  "version": "0.10.3",
+  "version": "0.10.4",
   "description": "Multiplayer Game Client for the Browser",
   "keywords": [
     "colyseus",
@@ -23,7 +23,7 @@
     "prepublish": "tsc && npm run build",
     "tslint": "tslint --project .",
     "postinstall": "npm run -s donate",
-    "donate": "echo \"\u001b[35m\u001b[1mLove Colyseus? ⚔  Support its development by becoming a backer:\u001b[22m\u001b[39m ⚔ \n > \u001b[34mhttps://www.patreon.com/endel\u001b[39m\""
+    "donate": "echo \"\u001b[35m\u001b[1mLove Colyseus? ⚔  Support its development by becoming a backer\u001b[22m\u001b[39m ⚔ \n > \u001b[34mhttps://www.patreon.com/endel\u001b[39m\""
   },
   "files": [
     "lib",

src/Client.ts

@@ -155,6 +155,7 @@ export class Client {
             } else if (code === Protocol.JOIN_REQUEST) {
                 const requestId = view.getUint8(1);
                 const room = this.connectingRooms[requestId];
+                let processPath: string = '';
 
                 if (!room) {
                     console.warn('colyseus.js: client left room before receiving session id.');
@@ -164,7 +165,12 @@ export class Client {
                 room.id = utf8Read(view, 2);
                 this.rooms[room.id] = room;
 
-                room.connect(this.buildEndpoint(room.id, room.options));
+                const nextIndex = 3 + room.id.length;
+                if (view.byteLength > nextIndex) {
+                    processPath = utf8Read(view, nextIndex) +  "/";
+                }
+
+                room.connect(this.buildEndpoint(processPath + room.id, room.options));
                 delete this.connectingRooms[requestId];
 
             } else if (code === Protocol.JOIN_ERROR) {