fix: listen "close" from client and from server

Author: DudaGod

lib/http-proxy/ws/interceptor.js

@@ -79,6 +79,7 @@ module.exports = class Interceptor {
 
         receiver.ontext = getMsgHandler({interceptor: this._options.wsInterceptServerMsg, dataSender, binary: false});
         receiver.onbinary = getMsgHandler({interceptor: this._options.wsInterceptServerMsg, dataSender, binary: true});
+        receiver.onclose = (code, msg, {masked: mask}) => sender.close(code, msg, mask);
 
         this._socket.on('data', (data) => receiver.add(data));
     }
@@ -92,6 +93,7 @@ module.exports = class Interceptor {
 
         receiver.ontext = getMsgHandler({interceptor: this._options.wsInterceptClientMsg, dataSender, binary: false});
         receiver.onbinary = getMsgHandler({interceptor: this._options.wsInterceptClientMsg, dataSender, binary: true});
+        receiver.onclose = (code, msg, {masked: mask}) => sender.close(code, msg, mask);
 
         this._proxySocket.on('data', (data) => receiver.add(data));
     }