Fix websocket router types

It seems req was any before so now we have to handle the types.

Author: code-asher

src/node/wsRouter.ts

@@ -8,13 +8,14 @@ export const handleUpgrade = (app: express.Express, server: http.Server): void =
   server.on("upgrade", (req, socket, head) => {
     socket.pause()
 
-    req.ws = socket
-    req.head = head
-    req._ws_handled = false
+    const wreq = req as InternalWebsocketRequest
+    wreq.ws = socket
+    wreq.head = head
+    wreq._ws_handled = false
 
     // Send the request off to be handled by Express.
-    ;(app as any).handle(req, new http.ServerResponse(req), () => {
-      if (!req._ws_handled) {
+    ;(app as any).handle(wreq, new http.ServerResponse(wreq), () => {
+      if (!wreq._ws_handled) {
         socket.end("HTTP/1.1 404 Not Found\r\n\r\n")
       }
     })

typings/pluginapi.d.ts

@@ -6,6 +6,7 @@ import * as express from "express"
 import * as expressCore from "express-serve-static-core"
 import ProxyServer from "http-proxy"
 import * as net from "net"
+import * as stream from "stream"
 import Websocket from "ws"
 
 /**
@@ -97,7 +98,7 @@ export declare class HttpError extends Error {
 }
 
 export interface WebsocketRequest extends express.Request {
-  ws: net.Socket
+  ws: net.Socket | stream.Duplex
   head: Buffer
 }