fix

Reviewed-on: #12

.env

@@ -1,3 +1,7 @@
 PORT=3000
 IP=0.0.0.0 #	Listening IPv4 or IPv6.
 ANNOUNCED_IP=185.8.154.190 # Announced IPv4 or IPv6 (useful when running mediasoup behind NAT with private IP).
+RTC_MIN_PORT=2000
+RTC_MAX_PORT=2020
+SERVER_CERT="./server/ssl/cert.pem"
+SERVER_KEY="./server/ssl/key.pem"

README.md

@@ -32,4 +32,8 @@ accountId = account id of the unit on which you are doing the test
 producer = it will always be true because you are the producer
 (it's possible to put false, but then you have to have another client with producer true)
 assetName = asset name of the unit on which you are doing the test
-assetType = asset type of the unit on which you are doing the test
+assetType = asset type of the unit on which you are doing the test
+
+### Demo project
+  The demo project used initially and then modified for our needs `https://github.com/jamalag/mediasoup2`
+

app.js

@@ -5,12 +5,7 @@ const app = express();
 const Server = require('socket.io');
 const path = require('node:path');
 const fs = require('node:fs');
-let https = require('https');
+const https = require('https');
-try {
-  https = require('node:https');
-} catch (err) {
-  console.log('https support is disabled!');
-}
 const mediasoup = require('mediasoup');
 
 let worker
@@ -59,29 +54,33 @@ const io = new Server(httpsServer, {
 // const io = new Server(server, { origins: '*:*', allowEIO3: true });
 
 httpsServer.listen(process.env.PORT, () => {
-  console.log('Video server listening on port:', process.env.PORT)
+  console.log('Video server listening on port:', process.env.PORT);
-})
+});
-
-const peers = io.of('/')
 
+const peers = io.of('/');
+console.log('process.env.RTC_MIN_PORT', process.env.RTC_MIN_PORT);
+console.log('process.env.RTC_MAX_PORT', process.env.RTC_MAX_PORT, process.env.RTC_MAX_PORT.length);
 const createWorker = async () => {
-  worker = await mediasoup.createWorker({
+  try {
-    rtcMinPort: 2000,
+    worker = await mediasoup.createWorker({
-    rtcMaxPort: 2020,
+      rtcMinPort: process.env.RTC_MIN_PORT,
-  })
+      rtcMaxPort: process.env.RTC_MAX_PORT,
-  console.log(`[createWorker] worker pid ${worker.pid}`)
+    })
-
+    console.log(`[createWorker] worker pid ${worker.pid}`);
-  worker.on('died', error => {
+  
-    // This implies something serious happened, so kill the application
+    worker.on('died', error => {
-    console.error('mediasoup worker has died', error)
+      // This implies something serious happened, so kill the application
-    setTimeout(() => process.exit(1), 2000) // exit in 2 seconds
+      console.error('mediasoup worker has died', error);
-  })
+      setTimeout(() => process.exit(1), 2000); // exit in 2 seconds
-
+    })
-  return worker
+    return worker;
+  } catch (error) {
+    console.log(`ERROR | createWorker | ${error.message}`);
+  }
 }
 
 // We create a Worker as soon as our application starts
-worker = createWorker()
+worker = createWorker();
 
 // This is an Array of RtpCapabilities
 // https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#RtpCodecCapability
@@ -102,159 +101,251 @@ const mediaCodecs = [
       'x-google-start-bitrate': 1000,
     },
   },
-]
+];
 
 const closeCall = (callId) => {
-  if (videoCalls[callId]) {
+  try {
-    videoCalls[callId].producer?.close();
+    if (callId && videoCalls[callId]) {
-    videoCalls[callId].consumer?.close();
+      videoCalls[callId].producer?.close();
-    videoCalls[callId]?.consumerTransport.close();
+      videoCalls[callId].consumer?.close();
-    videoCalls[callId]?.producerTransport.close();
+      videoCalls[callId]?.consumerTransport?.close();
-    videoCalls[callId].router.close();
+      videoCalls[callId]?.producerTransport?.close();
-    delete videoCalls[callId];
+      videoCalls[callId]?.router?.close();
+      delete videoCalls[callId];
+    } else {
+      console.log(`The call with id ${callId} has already been deleted`);
+    }
+  } catch (error) {
+    console.log(`ERROR | closeCall | callid ${callId} | ${error.message}`);
   }
 }
 
 const getRtpCapabilities = (callId, callback) => {
-  console.log('[getRtpCapabilities] callId', callId);
+  try {
-  const rtpCapabilities = videoCalls[callId].router.rtpCapabilities;
+    console.log('[getRtpCapabilities] callId', callId);
-  callback({ rtpCapabilities });
+    const rtpCapabilities = videoCalls[callId].router.rtpCapabilities;
+    callback({ rtpCapabilities });
+  } catch (error) {
+    console.log(`ERROR | getRtpCapabilities | callId ${callId} | ${error.message}`);
+  }
 }
 
+/*
+  - Handlers for WS events
+  - These are created only when we have a connection with a peer
+*/
 peers.on('connection', async socket => {
-  console.log('[connection] socketId:', socket.id)
+  console.log('[connection] socketId:', socket.id);
+
+  // After making the connection successfully, we send the client a 'connection-success' event
   socket.emit('connection-success', {
     socketId: socket.id
-  })
+  });
 
+  // It is triggered when the peer is disconnected
   socket.on('disconnect', () => {
-    // do some cleanup
+    const callId = socketDetails[socket.id];
-    console.log('peer disconnected | socket.id', socket.id)
+    console.log(`disconnect | socket ${socket.id} | callId ${callId}`);
     delete socketDetails[socket.id];
-  })
+    closeCall(callId);
+  });
 
+  /*
+    - This event creates a room with the roomId and the callId sent
+    - It will return the rtpCapabilities of that room
+    - If the room already exists, it will not create it, but will only return rtpCapabilities
+  */
   socket.on('createRoom', async ({ callId }, callback) => {
-    if (callId) {
+    try {
-      console.log(`[createRoom] socket.id ${socket.id} callId ${callId}`);
+      if (callId) {
-      if (!videoCalls[callId]) {
+        console.log(`[createRoom] socket.id ${socket.id} callId ${callId}`);
-        console.log('[createRoom] callId', callId);
+        if (!videoCalls[callId]) {
-        videoCalls[callId] = { router: await worker.createRouter({ mediaCodecs }) }
+          console.log('[createRoom] callId', callId);
-        console.log(`[createRoom] Router ID: ${videoCalls[callId].router.id}`);
+          videoCalls[callId] = { router: await worker.createRouter({ mediaCodecs }) }
+          console.log(`[createRoom] Router ID: ${videoCalls[callId].router.id}`);
+        }
+        socketDetails[socket.id] = callId;
+        getRtpCapabilities(callId, callback);
+      } else {
+        console.log(`[createRoom] missing callId ${callId}`);
       }
-      socketDetails[socket.id] = callId;
+    } catch (error) {
-      getRtpCapabilities(callId, callback);
+      console.log(`ERROR | createRoom | callId ${callId} | ${error.message}`);
-    } else {
+    }
-      console.log(`[createRoom] missing callId ${callId}`);
+  });
+
+  /*
+    - Client emits a request to create server side Transport
+    - Depending on the sender, producerTransport or consumerTransport is created on that router
+    - It will return parameters, these are required for the client to create the RecvTransport 
+    from the client.
+      - If the client is producer(sender: true) then it will use parameters for device.createSendTransport(params)
+      - If the client is a consumer(sender: false) then it will use parameters for device.createRecvTransport(params)
+  */
+  socket.on('createWebRtcTransport', async ({ sender }, callback) => {
+    try {
+      const callId = socketDetails[socket.id];
+      console.log(`[createWebRtcTransport] sender ${sender} | callId ${callId}`);
+      if (sender) {
+        if (!videoCalls[callId].producerTransport) {
+          videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback);
+        } else {
+          console.log(`producerTransport has already been defined | callId ${callId}`);
+        }
+      } else if (!sender) {
+        if (!videoCalls[callId].consumerTransport) {
+          videoCalls[callId].consumerTransport = await createWebRtcTransportLayer(callId, callback);
+        } else {
+          console.log(`consumerTransport has already been defined | callId ${callId}`);
+        }
+      }
+    } catch (error) {
+      console.log(`ERROR | createWebRtcTransport | callId ${socketDetails[socket.id]} | sender ${sender} | ${error.message}`);
+    }
+  });
+
+  /*
+    - The client sends this event after successfully creating a createSendTransport(AS PRODUCER)
+    - The connection is made to the created transport
+  */
+  socket.on('transport-connect', async ({ dtlsParameters }) => {
+    try {
+      const callId = socketDetails[socket.id];
+      if (typeof dtlsParameters === 'string') dtlsParameters = JSON.parse(dtlsParameters);
+
+      console.log(`[transport-connect] socket.id ${socket.id} | callId ${callId}`);
+      await videoCalls[callId].producerTransport.connect({ dtlsParameters });
+    } catch (error) {
+      console.log(`ERROR | transport-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
+    }
+  });
+
+  /*
+    - The event sent by the client (PRODUCER) after successfully connecting to producerTransport
+    - For the router with the id callId, we make produce on producerTransport
+    - Create the handler on producer at the 'transportclose' event
+  */
+  socket.on('transport-produce', async ({ kind, rtpParameters, appData }, callback) => {
+    try {
+      const callId = socketDetails[socket.id];
+      if (typeof rtpParameters === 'string') rtpParameters = JSON.parse(rtpParameters);
+
+      console.log('[transport-produce] | socket.id', socket.id, '| callId', callId);
+      videoCalls[callId].producer = await videoCalls[callId].producerTransport.produce({
+        kind,
+        rtpParameters,
+      });
+      console.log(`[transport-produce] Producer ID: ${videoCalls[callId].producer.id} | kind: ${videoCalls[callId].producer.kind}`);
+  
+      videoCalls[callId].producer.on('transportclose', () => {
+        const callId = socketDetails[socket.id];
+        console.log('transport for this producer closed', callId)
+        closeCall(callId);
+      });
+
+      // Send back to the client the Producer's id
+      // callback({
+      //   id: videoCalls[callId].producer.id
+      // });
+    } catch (error) {
+      console.log(`ERROR | transport-produce | callId ${socketDetails[socket.id]} | ${error.message}`);
+    }
+  });
+
+  /*
+    - The client sends this event after successfully creating a createRecvTransport(AS CONSUMER)
+    - The connection is made to the created consumerTransport
+  */
+  socket.on('transport-recv-connect', async ({ dtlsParameters }) => {
+    try {
+      const callId = socketDetails[socket.id];
+      console.log(`[transport-recv-connect] socket.id ${socket.id} | callId ${callId}`);
+      await videoCalls[callId].consumerTransport.connect({ dtlsParameters });
+    } catch (error) {
+      console.log(`ERROR | transport-recv-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
     }
   })
 
-  // Client emits a request to create server side Transport
+  /*
-  // We need to differentiate between the producer and consumer transports
+    - The customer consumes after successfully connecting to consumerTransport
-  socket.on('createWebRtcTransport', async ({ sender, callId }, callback) => {
+    - The previous step was 'transport-recv-connect', and before that 'createWebRtcTransport'
-    console.log(`[createWebRtcTransport] Is this a sender request? ${sender} | callId ${callId}`)
+    - This event is only sent by the consumer
-    // The client indicates if it is a producer or a consumer
+    - The parameters that the consumer consumes are returned
-    // if sender is true, indicates a producer else a consumer
+      - The consumer does consumerTransport.consume(params)
-    if (sender)
+  */
-      videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback)
-    else
-      videoCalls[callId].consumerTransport = await createWebRtcTransportLayer(callId, callback)
-  })
-
-  // see client's socket.emit('transport-connect', ...)
-  socket.on('transport-connect', async ({ dtlsParameters }) => {
-    const callId = socketDetails[socket.id];
-    console.log(`[transport-connect] socket.id ${socket.id} | callId ${callId} | DTLS PARAMS... ${dtlsParameters}`)
-    await videoCalls[callId].producerTransport.connect({ dtlsParameters })
-  })
-
-  // see client's socket.emit('transport-produce', ...)
-  socket.on('transport-produce', async ({ kind, rtpParameters, appData }) => {
-    const callId = socketDetails[socket.id];
-    console.log('[transport-produce] | socket.id', socket.id, '| callId', callId);
-    // call produce based on the prameters from the client
-    videoCalls[callId].producer = await videoCalls[callId].producerTransport.produce({
-      kind,
-      rtpParameters,
-    })
-    console.log(`[transport-produce] Producer ID: ${videoCalls[callId].producer.id} | kind: ${videoCalls[callId].producer.kind}`)
-
-    videoCalls[callId].producer.on('transportclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('transport for this producer closed', callId)
-      closeCall(callId);
-    })
-  })
-
-  // see client's socket.emit('transport-recv-connect', ...)
-  socket.on('transport-recv-connect', async ({ dtlsParameters }) => {
-    const callId = socketDetails[socket.id];
-    console.log(`[transport-recv-connect] socket.id ${socket.id} | callId ${callId} | DTLS PARAMS: ${dtlsParameters}`);
-    await videoCalls[callId].consumerTransport.connect({ dtlsParameters })
-  })
-
   socket.on('consume', async ({ rtpCapabilities }, callback) => {
-    const callId = socketDetails[socket.id];
-    console.log('[consume] callId', callId);
     try {
-      // console.log('consume', rtpCapabilities, callId);
+      const callId = socketDetails[socket.id];
-      // check if the router can consume the specified producer
+      console.log('[consume] callId', callId);
+
+      // Check if the router can consume the specified producer
       if (videoCalls[callId].router.canConsume({
         producerId: videoCalls[callId].producer.id,
         rtpCapabilities
       })) {
         console.log('[consume] Can consume', callId);
-        // transport can now consume and return a consumer
+        // Transport can now consume and return a consumer
         videoCalls[callId].consumer = await videoCalls[callId].consumerTransport.consume({
           producerId: videoCalls[callId].producer.id,
           rtpCapabilities,
           paused: true,
-        })
+        });
 
         // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
         videoCalls[callId].consumer.on('transportclose', () => {
           const callId = socketDetails[socket.id];
           console.log('transport close from consumer', callId);
-          closeCall();
+          closeCall(callId);
-        })
+        });
 
         // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
         videoCalls[callId].consumer.on('producerclose', () => {
           const callId = socketDetails[socket.id];
           console.log('producer of consumer closed', callId);
-          closeCall();
+          closeCall(callId);
-        })
+        });
 
-        // from the consumer extract the following params
+        // From the consumer extract the following params to send back to the Client
-        // to send back to the Client
         const params = {
           id: videoCalls[callId].consumer.id,
           producerId: videoCalls[callId].producer.id,
           kind: videoCalls[callId].consumer.kind,
           rtpParameters: videoCalls[callId].consumer.rtpParameters,
-        }
+        };
 
-        // send the parameters to the client
+        // Send the parameters to the client
-        callback({ params })
+        callback({ params });
       } else {
-        console.log('[canConsume] Can\'t consume')
+        console.log(`[canConsume] Can't consume | callId ${callId}`);
       }
     } catch (error) {
-      console.log('[consume] Error', error.message)
+      console.log(`ERROR | consume | callId ${socketDetails[socket.id]} | ${error.message}`)
-      callback({
+      callback({ params: { error } });
-        params: {
-          error: error
-        }
-      })
     }
-  })
+  });
 
+  /*
+    - Event sent by the consumer after consuming to resume the pause
+    - When consuming on consumerTransport, it is initially done with paused: true, here we will resume 
+  */
   socket.on('consumer-resume', async () => {
-    const callId = socketDetails[socket.id];
+    try {
-    console.log(`[consumer-resume] callId ${callId}`)
+      const callId = socketDetails[socket.id];
-    await videoCalls[callId].consumer.resume()
+      console.log(`[consumer-resume] callId ${callId}`)
-  })
+      await videoCalls[callId].consumer.resume();
-})
+    } catch (error) {
+      console.log(`ERROR | consumer-resume | callId ${socketDetails[socket.id]} | ${error.message}`);
+    }
+  });
+});
 
+/*
+  - Called from at event 'createWebRtcTransport' and assigned to the consumer or producer transport
+  - It will return parameters, these are required for the client to create the RecvTransport 
+    from the client.
+    - If the client is producer(sender: true) then it will use parameters for device.createSendTransport(params)
+    - If the client is a consumer(sender: false) then it will use parameters for device.createRecvTransport(params)
+*/
 const createWebRtcTransportLayer = async (callId, callback) => {
   try {
     console.log('[createWebRtcTransportLayer] callId', callId);
@@ -269,45 +360,40 @@ const createWebRtcTransportLayer = async (callId, callback) => {
       enableUdp: true,
       enableTcp: true,
       preferUdp: true,
-    }
+    };
-
-    // console.log('webRtcTransport_options', webRtcTransport_options);
     
     // https://mediasoup.org/documentation/v3/mediasoup/api/#router-createWebRtcTransport
     let transport = await videoCalls[callId].router.createWebRtcTransport(webRtcTransport_options)
     console.log(`callId: ${callId} | transport id: ${transport.id}`)
 
+    // Handler for when DTLS(Datagram Transport Layer Security) changes
     transport.on('dtlsstatechange', dtlsState => {
+      console.log(`transport | dtlsstatechange | calldId ${callId} | dtlsState ${dtlsState}`);
       if (dtlsState === 'closed') {
-        transport.close()
+        transport.close();
       }
-    })
+    });
 
+    // Handler if the transport layer has closed (for various reasons)
     transport.on('close', () => {
-      console.log('transport closed')
+      console.log(`transport | closed | calldId ${callId}`);
-    })
+    });
 
     const params = {
       id: transport.id,
       iceParameters: transport.iceParameters,
       iceCandidates: transport.iceCandidates,
       dtlsParameters: transport.dtlsParameters,
-    }
+    };
 
-    // send back to the client the following prameters
+    // Send back to the client the params
-    callback({
+    callback({ params });
-      // https://mediasoup.org/documentation/v3/mediasoup-client/api/#TransportOptions
-      params
-    })
 
-    return transport
+    // Set transport to producerTransport or consumerTransport
+    return transport;
 
   } catch (error) {
-    console.log('[createWebRtcTransportLayer] ERROR', JSON.stringify(error));
+    console.log(`ERROR | createWebRtcTransportLayer | callId ${socketDetails[socket.id]} | ${error.message}`);
-    callback({
+    callback({ params: { error } });
-      params: {
-        error: error
-      }
-    })
   }
 }

package-lock.json

@@ -1791,27 +1791,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/@pm2/agent/node_modules/ws": {
-      "version": "7.4.6",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
-      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dev": true,
-      "engines": {
-        "node": ">=8.3.0"
-      },
-      "peerDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": "^5.0.2"
-      },
-      "peerDependenciesMeta": {
-        "bufferutil": {
-          "optional": true
-        },
-        "utf-8-validate": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@pm2/io": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/@pm2/io/-/io-5.0.0.tgz",
@@ -2387,11 +2366,6 @@
       "integrity": "sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==",
       "dev": true
     },
-    "node_modules/async-limiter": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
-    },
     "node_modules/async-listener": {
       "version": "0.6.10",
       "resolved": "https://registry.npmjs.org/async-listener/-/async-listener-0.6.10.tgz",
@@ -2454,9 +2428,9 @@
       }
     },
     "node_modules/base64-arraybuffer": {
-      "version": "0.1.5",
+      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
-      "integrity": "sha512-437oANT9tP582zZMwSvZGy2nmSeAb8DW2me3y+Uv1Wp2Rulr8Mqlyrv3E7MLxmsiaPSMMDmiDVzgE+e8zlMx9g==",
+      "integrity": "sha512-a1eIFi4R9ySrbiMuyTGx5e92uRH5tQY6kArNcFaKBUleIoLjdjBg7Zxm3Mqm3Kmkf27HLR/1fnxX9q8GQ7Iavg==",
       "engines": {
         "node": ">= 0.6.0"
       }
@@ -2482,22 +2456,11 @@
       ]
     },
     "node_modules/base64id": {
-      "version": "1.0.0",
+      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
-      "integrity": "sha512-rz8L+d/xByiB/vLVftPkyY215fqNrmasrcJsYkVcm4TgJNz+YXKrFaFAWibSaHkiKoSgMDCb+lipOIRQNGYesw==",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
       "engines": {
-        "node": ">= 0.4.0"
+        "node": "^4.5.0 || >= 5.9"
-      }
-    },
-    "node_modules/better-assert": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
-      "integrity": "sha512-bYeph2DFlpK1XmGs6fvlLRUN29QISM3GBuUwSFsMY2XRx4AvC0WNCS57j4c/xGrK2RS24C1w3YoBOsw9fT46tQ==",
-      "dependencies": {
-        "callsite": "1.0.0"
-      },
-      "engines": {
-        "node": "*"
       }
     },
     "node_modules/binary-extensions": {
@@ -2874,14 +2837,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/callsite": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-      "integrity": "sha512-0vdNRFXn5q+dtOqjfFtmtlI9N2eVZ7LMyEV2iKC5mEEFvSg/69Ml6b/WU2qF8W1nLRa0wiSrDT3Y5jOHZCwKPQ==",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -3050,9 +3005,9 @@
       "integrity": "sha512-WZveuKPeKAG9qY+FkYDeADzdHyTYdIboXS59ixDeRJL5ZhxpqUnxSOwop4FQjMsiYm3/Or8cegVbpAHNA7pHxw=="
     },
     "node_modules/component-emitter": {
-      "version": "1.2.1",
+      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
-      "integrity": "sha512-jPatnhd33viNplKjqXKRkGU345p263OIWzDL2wH3LGIGp5Kojo+uXizHmOADRvhGFFTnJqX3jBAKP6vvmSDKcA=="
+      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
     },
     "node_modules/component-inherit": {
       "version": "0.0.3",
@@ -3628,36 +3583,36 @@
       }
     },
     "node_modules/engine.io": {
-      "version": "3.1.5",
+      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.1.5.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.6.0.tgz",
-      "integrity": "sha512-D06ivJkYxyRrcEe0bTpNnBQNgP9d3xog+qZlLbui8EsMr/DouQpf5o9FzJnWYHEYE0YsFHllUv2R1dkgYZXHcA==",
+      "integrity": "sha512-Kc8fo5bbg8F4a2f3HPHTEpGyq/IRIQpyeHu3H1ThR14XDD7VrLcsGBo16HUpahgp8YkHJDaU5gNxJZbuGcuueg==",
       "dependencies": {
         "accepts": "~1.3.4",
-        "base64id": "1.0.0",
+        "base64id": "2.0.0",
-        "cookie": "0.3.1",
+        "cookie": "~0.4.1",
-        "debug": "~3.1.0",
+        "debug": "~4.1.0",
-        "engine.io-parser": "~2.1.0",
+        "engine.io-parser": "~2.2.0",
-        "ws": "~3.3.1"
+        "ws": "~7.4.2"
       },
-      "optionalDependencies": {
+      "engines": {
-        "uws": "~9.14.0"
+        "node": ">=8.0.0"
       }
     },
     "node_modules/engine.io-client": {
-      "version": "3.1.6",
+      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.1.6.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.3.tgz",
-      "integrity": "sha512-hnuHsFluXnsKOndS4Hv6SvUrgdYx1pk2NqfaDMW+GWdgfU3+/V25Cj7I8a0x92idSpa5PIhJRKxPvp9mnoLsfg==",
+      "integrity": "sha512-qsgyc/CEhJ6cgMUwxRRtOndGVhIu5hpL5tR4umSpmX/MvkFoIxUTM7oFMDQumHNzlNLwSVy6qhstFPoWTf7dOw==",
       "dependencies": {
-        "component-emitter": "1.2.1",
+        "component-emitter": "~1.3.0",
         "component-inherit": "0.0.3",
         "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.1",
+        "engine.io-parser": "~2.2.0",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
-        "parseqs": "0.0.5",
+        "parseqs": "0.0.6",
-        "parseuri": "0.0.5",
+        "parseuri": "0.0.6",
-        "ws": "~3.3.1",
+        "ws": "~7.4.2",
-        "xmlhttprequest-ssl": "~1.5.4",
+        "xmlhttprequest-ssl": "~1.6.2",
         "yeast": "0.1.2"
       }
     },
@@ -3670,33 +3625,39 @@
       }
     },
     "node_modules/engine.io-parser": {
-      "version": "2.1.3",
+      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
-      "integrity": "sha512-6HXPre2O4Houl7c4g7Ic/XzPnHBvaEmN90vtRO9uLmwtRqQmTOw0QMevL1TOfL2Cpu1VzsaTmMotQgMdkzGkVA==",
+      "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
       "dependencies": {
         "after": "0.8.2",
         "arraybuffer.slice": "~0.0.7",
-        "base64-arraybuffer": "0.1.5",
+        "base64-arraybuffer": "0.1.4",
         "blob": "0.0.5",
         "has-binary2": "~1.0.2"
       }
     },
     "node_modules/engine.io/node_modules/cookie": {
-      "version": "0.3.1",
+      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
-      "integrity": "sha512-+IJOX0OqlHCszo2mBUq+SrEbCj6w7Kpffqx60zYbPTFaO4+yYgRjHwcZNpWvaTylDHaV7PPmBHzSecZiMhtPgw==",
+      "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
       "engines": {
         "node": ">= 0.6"
       }
     },
     "node_modules/engine.io/node_modules/debug": {
-      "version": "3.1.0",
+      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+      "deprecated": "Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)",
       "dependencies": {
-        "ms": "2.0.0"
+        "ms": "^2.1.1"
       }
     },
+    "node_modules/engine.io/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
     "node_modules/enquirer": {
       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/enquirer/-/enquirer-2.3.6.tgz",
@@ -5749,15 +5710,11 @@
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
       "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
     },
-    "node_modules/object-component": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/object-component/-/object-component-0.0.3.tgz",
-      "integrity": "sha512-S0sN3agnVh2SZNEIGc0N1X4Z5K0JeFbGBrnuZpsxuUh5XLF0BnvWkMjRXo/zGKLd/eghvNIKcx1pQkmUjXIyrA=="
-    },
     "node_modules/object-inspect": {
       "version": "1.12.2",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.2.tgz",
@@ -6037,20 +5994,14 @@
       }
     },
     "node_modules/parseqs": {
-      "version": "0.0.5",
+      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.5.tgz",
+      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.6.tgz",
-      "integrity": "sha512-B3Nrjw2aL7aI4TDujOzfA4NsEc4u1lVcIRE0xesutH8kjeWF70uk+W5cBlIQx04zUH9NTBvuN36Y9xLRPK6Jjw==",
+      "integrity": "sha512-jeAGzMDbfSHHA091hr0r31eYfTig+29g3GKKE/PPbEQ65X0lmMwlEoqmhzu0iztID5uJpZsFlUPDP8ThPL7M8w=="
-      "dependencies": {
-        "better-assert": "~1.0.0"
-      }
     },
     "node_modules/parseuri": {
-      "version": "0.0.5",
+      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.5.tgz",
+      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.6.tgz",
-      "integrity": "sha512-ijhdxJu6l5Ru12jF0JvzXVPvsC+VibqeaExlNoMhWN6VQ79PGjkmc7oA4W1lp00sFkNyj0fx6ivPLdV51/UMog==",
+      "integrity": "sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow=="
-      "dependencies": {
-        "better-assert": "~1.0.0"
-      }
     },
     "node_modules/parseurl": {
       "version": "1.3.3",
@@ -7052,16 +7003,16 @@
       }
     },
     "node_modules/socket.io": {
-      "version": "2.0.3",
+      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.5.0.tgz",
-      "integrity": "sha512-qya7+ILKQ9vbXwJ/bUkT5Oe4RCD8c7Z9bZSg3jDDnuNxl+thkzgYz4BB+Oe8hxh1pF2xRbZUnIbrFw7+lpp94w==",
+      "integrity": "sha512-gGunfS0od3VpwDBpGwVkzSZx6Aqo9uOcf1afJj2cKnKFAoyl16fvhpsUhmUFd4Ldbvl5JvRQed6eQw6oQp6n8w==",
       "dependencies": {
-        "debug": "~2.6.6",
+        "debug": "~4.1.0",
-        "engine.io": "~3.1.0",
+        "engine.io": "~3.6.0",
-        "object-assign": "~4.1.1",
+        "has-binary2": "~1.0.2",
         "socket.io-adapter": "~1.1.0",
-        "socket.io-client": "~2.0.2",
+        "socket.io-client": "2.5.0",
-        "socket.io-parser": "~3.1.1"
+        "socket.io-parser": "~3.4.0"
       }
     },
     "node_modules/socket.io-adapter": {
@@ -7070,37 +7021,24 @@
       "integrity": "sha512-WzZRUj1kUjrTIrUKpZLEzFZ1OLj5FwLlAFQs9kuZJzJi5DKdU7FsWc36SNmA8iDOtwBQyT8FkrriRM8vXLYz8g=="
     },
     "node_modules/socket.io-client": {
-      "version": "2.0.3",
+      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.5.0.tgz",
-      "integrity": "sha512-Lx7dCP7xCLKNXB5IB5AH37YoIjxAHLxQxXPFx0uTj9juQAayWUIwS6VS9Qn3I3eESIoQzjvsatAW1w4qb3ek9A==",
+      "integrity": "sha512-lOO9clmdgssDykiOmVQQitwBAF3I6mYcQAo7hQ7AM6Ny5X7fp8hIJ3HcQs3Rjz4SoggoxA1OgrQyY8EgTbcPYw==",
       "dependencies": {
         "backo2": "1.0.2",
-        "base64-arraybuffer": "0.1.5",
         "component-bind": "1.0.0",
-        "component-emitter": "1.2.1",
+        "component-emitter": "~1.3.0",
-        "debug": "~2.6.4",
+        "debug": "~3.1.0",
-        "engine.io-client": "~3.1.0",
+        "engine.io-client": "~3.5.0",
-        "has-cors": "1.1.0",
+        "has-binary2": "~1.0.2",
         "indexof": "0.0.1",
-        "object-component": "0.0.3",
+        "parseqs": "0.0.6",
-        "parseqs": "0.0.5",
+        "parseuri": "0.0.6",
-        "parseuri": "0.0.5",
+        "socket.io-parser": "~3.3.0",
-        "socket.io-parser": "~3.1.1",
         "to-array": "0.1.4"
       }
     },
-    "node_modules/socket.io-parser": {
+    "node_modules/socket.io-client/node_modules/debug": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.1.3.tgz",
-      "integrity": "sha512-g0a2HPqLguqAczs3dMECuA1RgoGFPyvDqcbaDEdCWY9g59kdUAz3YRmaJBNKXflrHNwB7Q12Gkf/0CZXfdHR7g==",
-      "dependencies": {
-        "component-emitter": "1.2.1",
-        "debug": "~3.1.0",
-        "has-binary2": "~1.0.2",
-        "isarray": "2.0.1"
-      }
-    },
-    "node_modules/socket.io-parser/node_modules/debug": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
       "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
@@ -7108,6 +7046,59 @@
         "ms": "2.0.0"
       }
     },
+    "node_modules/socket.io-client/node_modules/socket.io-parser": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+      "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
+      "dependencies": {
+        "component-emitter": "~1.3.0",
+        "debug": "~3.1.0",
+        "isarray": "2.0.1"
+      }
+    },
+    "node_modules/socket.io-parser": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
+      "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
+      "dependencies": {
+        "component-emitter": "1.2.1",
+        "debug": "~4.1.0",
+        "isarray": "2.0.1"
+      }
+    },
+    "node_modules/socket.io-parser/node_modules/component-emitter": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+      "integrity": "sha512-jPatnhd33viNplKjqXKRkGU345p263OIWzDL2wH3LGIGp5Kojo+uXizHmOADRvhGFFTnJqX3jBAKP6vvmSDKcA=="
+    },
+    "node_modules/socket.io-parser/node_modules/debug": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+      "deprecated": "Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/socket.io-parser/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
+    "node_modules/socket.io/node_modules/debug": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+      "deprecated": "Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/socket.io/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
     "node_modules/socks": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/socks/-/socks-2.7.0.tgz",
@@ -7783,11 +7774,6 @@
         "node": ">=4.2.0"
       }
     },
-    "node_modules/ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
-    },
     "node_modules/umd": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/umd/-/umd-3.0.3.tgz",
@@ -7936,17 +7922,6 @@
         "uuid": "dist/bin/uuid"
       }
     },
-    "node_modules/uws": {
-      "version": "9.14.0",
-      "resolved": "https://registry.npmjs.org/uws/-/uws-9.14.0.tgz",
-      "integrity": "sha512-HNMztPP5A1sKuVFmdZ6BPVpBQd5bUjNC8EFMFiICK+oho/OQsAJy5hnIx4btMHiOk8j04f/DbIlqnEZ9d72dqg==",
-      "deprecated": "New code is available at github.com/uNetworking/uWebSockets.js",
-      "hasInstallScript": true,
-      "optional": true,
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/v8-compile-cache": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz",
@@ -8111,24 +8086,29 @@
       "dev": true
     },
     "node_modules/ws": {
-      "version": "3.3.3",
+      "version": "7.4.6",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dependencies": {
+      "engines": {
-        "async-limiter": "~1.0.0",
+        "node": ">=8.3.0"
-        "safe-buffer": "~5.1.0",
+      },
-        "ultron": "~1.1.0"
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
       }
     },
-    "node_modules/ws/node_modules/safe-buffer": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-    },
     "node_modules/xmlhttprequest-ssl": {
-      "version": "1.5.5",
+      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz",
-      "integrity": "sha512-/bFPLUgJrfGUL10AIv4Y7/CUt6so9CLtB/oFxQSHseSDNNCdC6vwwKEqwLN6wNPBg9YWXAiMu8jkf6RPRS/75Q==",
+      "integrity": "sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q==",
       "engines": {
         "node": ">=0.4.0"
       }
@@ -9285,13 +9265,6 @@
           "resolved": "https://registry.npmjs.org/semver/-/semver-7.2.3.tgz",
           "integrity": "sha512-utbW9Z7ZxVvwiIWkdOMLOR9G/NFXh2aRucghkVrEMJWuC++r3lCkBC3LwqBinyHzGMAJxY5tn6VakZGHObq5ig==",
           "dev": true
-        },
-        "ws": {
-          "version": "7.4.6",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
-          "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-          "dev": true,
-          "requires": {}
         }
       }
     },
@@ -9797,11 +9770,6 @@
       "integrity": "sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==",
       "dev": true
     },
-    "async-limiter": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
-    },
     "async-listener": {
       "version": "0.6.10",
       "resolved": "https://registry.npmjs.org/async-listener/-/async-listener-0.6.10.tgz",
@@ -9852,9 +9820,9 @@
       }
     },
     "base64-arraybuffer": {
-      "version": "0.1.5",
+      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
-      "integrity": "sha512-437oANT9tP582zZMwSvZGy2nmSeAb8DW2me3y+Uv1Wp2Rulr8Mqlyrv3E7MLxmsiaPSMMDmiDVzgE+e8zlMx9g=="
+      "integrity": "sha512-a1eIFi4R9ySrbiMuyTGx5e92uRH5tQY6kArNcFaKBUleIoLjdjBg7Zxm3Mqm3Kmkf27HLR/1fnxX9q8GQ7Iavg=="
     },
     "base64-js": {
       "version": "1.5.1",
@@ -9863,17 +9831,9 @@
       "dev": true
     },
     "base64id": {
-      "version": "1.0.0",
+      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
-      "integrity": "sha512-rz8L+d/xByiB/vLVftPkyY215fqNrmasrcJsYkVcm4TgJNz+YXKrFaFAWibSaHkiKoSgMDCb+lipOIRQNGYesw=="
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
-    },
-    "better-assert": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
-      "integrity": "sha512-bYeph2DFlpK1XmGs6fvlLRUN29QISM3GBuUwSFsMY2XRx4AvC0WNCS57j4c/xGrK2RS24C1w3YoBOsw9fT46tQ==",
-      "requires": {
-        "callsite": "1.0.0"
-      }
     },
     "binary-extensions": {
       "version": "2.2.0",
@@ -10205,11 +10165,6 @@
         "get-intrinsic": "^1.0.2"
       }
     },
-    "callsite": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-      "integrity": "sha512-0vdNRFXn5q+dtOqjfFtmtlI9N2eVZ7LMyEV2iKC5mEEFvSg/69Ml6b/WU2qF8W1nLRa0wiSrDT3Y5jOHZCwKPQ=="
-    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -10335,9 +10290,9 @@
       "integrity": "sha512-WZveuKPeKAG9qY+FkYDeADzdHyTYdIboXS59ixDeRJL5ZhxpqUnxSOwop4FQjMsiYm3/Or8cegVbpAHNA7pHxw=="
     },
     "component-emitter": {
-      "version": "1.2.1",
+      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
-      "integrity": "sha512-jPatnhd33viNplKjqXKRkGU345p263OIWzDL2wH3LGIGp5Kojo+uXizHmOADRvhGFFTnJqX3jBAKP6vvmSDKcA=="
+      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
     },
     "component-inherit": {
       "version": "0.0.3",
@@ -10821,49 +10776,53 @@
       "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
     },
     "engine.io": {
-      "version": "3.1.5",
+      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.1.5.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.6.0.tgz",
-      "integrity": "sha512-D06ivJkYxyRrcEe0bTpNnBQNgP9d3xog+qZlLbui8EsMr/DouQpf5o9FzJnWYHEYE0YsFHllUv2R1dkgYZXHcA==",
+      "integrity": "sha512-Kc8fo5bbg8F4a2f3HPHTEpGyq/IRIQpyeHu3H1ThR14XDD7VrLcsGBo16HUpahgp8YkHJDaU5gNxJZbuGcuueg==",
       "requires": {
         "accepts": "~1.3.4",
-        "base64id": "1.0.0",
+        "base64id": "2.0.0",
-        "cookie": "0.3.1",
+        "cookie": "~0.4.1",
-        "debug": "~3.1.0",
+        "debug": "~4.1.0",
-        "engine.io-parser": "~2.1.0",
+        "engine.io-parser": "~2.2.0",
-        "uws": "~9.14.0",
+        "ws": "~7.4.2"
-        "ws": "~3.3.1"
       },
       "dependencies": {
         "cookie": {
-          "version": "0.3.1",
+          "version": "0.4.2",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
-          "integrity": "sha512-+IJOX0OqlHCszo2mBUq+SrEbCj6w7Kpffqx60zYbPTFaO4+yYgRjHwcZNpWvaTylDHaV7PPmBHzSecZiMhtPgw=="
+          "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA=="
         },
         "debug": {
-          "version": "3.1.0",
+          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "^2.1.1"
           }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
         }
       }
     },
     "engine.io-client": {
-      "version": "3.1.6",
+      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.1.6.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.3.tgz",
-      "integrity": "sha512-hnuHsFluXnsKOndS4Hv6SvUrgdYx1pk2NqfaDMW+GWdgfU3+/V25Cj7I8a0x92idSpa5PIhJRKxPvp9mnoLsfg==",
+      "integrity": "sha512-qsgyc/CEhJ6cgMUwxRRtOndGVhIu5hpL5tR4umSpmX/MvkFoIxUTM7oFMDQumHNzlNLwSVy6qhstFPoWTf7dOw==",
       "requires": {
-        "component-emitter": "1.2.1",
+        "component-emitter": "~1.3.0",
         "component-inherit": "0.0.3",
         "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.1",
+        "engine.io-parser": "~2.2.0",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
-        "parseqs": "0.0.5",
+        "parseqs": "0.0.6",
-        "parseuri": "0.0.5",
+        "parseuri": "0.0.6",
-        "ws": "~3.3.1",
+        "ws": "~7.4.2",
-        "xmlhttprequest-ssl": "~1.5.4",
+        "xmlhttprequest-ssl": "~1.6.2",
         "yeast": "0.1.2"
       },
       "dependencies": {
@@ -10878,13 +10837,13 @@
       }
     },
     "engine.io-parser": {
-      "version": "2.1.3",
+      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
-      "integrity": "sha512-6HXPre2O4Houl7c4g7Ic/XzPnHBvaEmN90vtRO9uLmwtRqQmTOw0QMevL1TOfL2Cpu1VzsaTmMotQgMdkzGkVA==",
+      "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
       "requires": {
         "after": "0.8.2",
         "arraybuffer.slice": "~0.0.7",
-        "base64-arraybuffer": "0.1.5",
+        "base64-arraybuffer": "0.1.4",
         "blob": "0.0.5",
         "has-binary2": "~1.0.2"
       }
@@ -12433,12 +12392,8 @@
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
-    },
+      "dev": true
-    "object-component": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/object-component/-/object-component-0.0.3.tgz",
-      "integrity": "sha512-S0sN3agnVh2SZNEIGc0N1X4Z5K0JeFbGBrnuZpsxuUh5XLF0BnvWkMjRXo/zGKLd/eghvNIKcx1pQkmUjXIyrA=="
     },
     "object-inspect": {
       "version": "1.12.2",
@@ -12657,20 +12612,14 @@
       }
     },
     "parseqs": {
-      "version": "0.0.5",
+      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.5.tgz",
+      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.6.tgz",
-      "integrity": "sha512-B3Nrjw2aL7aI4TDujOzfA4NsEc4u1lVcIRE0xesutH8kjeWF70uk+W5cBlIQx04zUH9NTBvuN36Y9xLRPK6Jjw==",
+      "integrity": "sha512-jeAGzMDbfSHHA091hr0r31eYfTig+29g3GKKE/PPbEQ65X0lmMwlEoqmhzu0iztID5uJpZsFlUPDP8ThPL7M8w=="
-      "requires": {
-        "better-assert": "~1.0.0"
-      }
     },
     "parseuri": {
-      "version": "0.0.5",
+      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.5.tgz",
+      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.6.tgz",
-      "integrity": "sha512-ijhdxJu6l5Ru12jF0JvzXVPvsC+VibqeaExlNoMhWN6VQ79PGjkmc7oA4W1lp00sFkNyj0fx6ivPLdV51/UMog==",
+      "integrity": "sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow=="
-      "requires": {
-        "better-assert": "~1.0.0"
-      }
     },
     "parseurl": {
       "version": "1.3.3",
@@ -13450,16 +13399,31 @@
       "dev": true
     },
     "socket.io": {
-      "version": "2.0.3",
+      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.5.0.tgz",
-      "integrity": "sha512-qya7+ILKQ9vbXwJ/bUkT5Oe4RCD8c7Z9bZSg3jDDnuNxl+thkzgYz4BB+Oe8hxh1pF2xRbZUnIbrFw7+lpp94w==",
+      "integrity": "sha512-gGunfS0od3VpwDBpGwVkzSZx6Aqo9uOcf1afJj2cKnKFAoyl16fvhpsUhmUFd4Ldbvl5JvRQed6eQw6oQp6n8w==",
       "requires": {
-        "debug": "~2.6.6",
+        "debug": "~4.1.0",
-        "engine.io": "~3.1.0",
+        "engine.io": "~3.6.0",
-        "object-assign": "~4.1.1",
+        "has-binary2": "~1.0.2",
         "socket.io-adapter": "~1.1.0",
-        "socket.io-client": "~2.0.2",
+        "socket.io-client": "2.5.0",
-        "socket.io-parser": "~3.1.1"
+        "socket.io-parser": "~3.4.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
       }
     },
     "socket.io-adapter": {
@@ -13468,34 +13432,21 @@
       "integrity": "sha512-WzZRUj1kUjrTIrUKpZLEzFZ1OLj5FwLlAFQs9kuZJzJi5DKdU7FsWc36SNmA8iDOtwBQyT8FkrriRM8vXLYz8g=="
     },
     "socket.io-client": {
-      "version": "2.0.3",
+      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.5.0.tgz",
-      "integrity": "sha512-Lx7dCP7xCLKNXB5IB5AH37YoIjxAHLxQxXPFx0uTj9juQAayWUIwS6VS9Qn3I3eESIoQzjvsatAW1w4qb3ek9A==",
+      "integrity": "sha512-lOO9clmdgssDykiOmVQQitwBAF3I6mYcQAo7hQ7AM6Ny5X7fp8hIJ3HcQs3Rjz4SoggoxA1OgrQyY8EgTbcPYw==",
       "requires": {
         "backo2": "1.0.2",
-        "base64-arraybuffer": "0.1.5",
         "component-bind": "1.0.0",
-        "component-emitter": "1.2.1",
+        "component-emitter": "~1.3.0",
-        "debug": "~2.6.4",
-        "engine.io-client": "~3.1.0",
-        "has-cors": "1.1.0",
-        "indexof": "0.0.1",
-        "object-component": "0.0.3",
-        "parseqs": "0.0.5",
-        "parseuri": "0.0.5",
-        "socket.io-parser": "~3.1.1",
-        "to-array": "0.1.4"
-      }
-    },
-    "socket.io-parser": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.1.3.tgz",
-      "integrity": "sha512-g0a2HPqLguqAczs3dMECuA1RgoGFPyvDqcbaDEdCWY9g59kdUAz3YRmaJBNKXflrHNwB7Q12Gkf/0CZXfdHR7g==",
-      "requires": {
-        "component-emitter": "1.2.1",
         "debug": "~3.1.0",
+        "engine.io-client": "~3.5.0",
         "has-binary2": "~1.0.2",
-        "isarray": "2.0.1"
+        "indexof": "0.0.1",
+        "parseqs": "0.0.6",
+        "parseuri": "0.0.6",
+        "socket.io-parser": "~3.3.0",
+        "to-array": "0.1.4"
       },
       "dependencies": {
         "debug": {
@@ -13505,6 +13456,46 @@
           "requires": {
             "ms": "2.0.0"
           }
+        },
+        "socket.io-parser": {
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+          "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
+          "requires": {
+            "component-emitter": "~1.3.0",
+            "debug": "~3.1.0",
+            "isarray": "2.0.1"
+          }
+        }
+      }
+    },
+    "socket.io-parser": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
+      "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
+      "requires": {
+        "component-emitter": "1.2.1",
+        "debug": "~4.1.0",
+        "isarray": "2.0.1"
+      },
+      "dependencies": {
+        "component-emitter": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+          "integrity": "sha512-jPatnhd33viNplKjqXKRkGU345p263OIWzDL2wH3LGIGp5Kojo+uXizHmOADRvhGFFTnJqX3jBAKP6vvmSDKcA=="
+        },
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
         }
       }
     },
@@ -14009,11 +14000,6 @@
       "dev": true,
       "peer": true
     },
-    "ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
-    },
     "umd": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/umd/-/umd-3.0.3.tgz",
@@ -14124,12 +14110,6 @@
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
       "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
     },
-    "uws": {
-      "version": "9.14.0",
-      "resolved": "https://registry.npmjs.org/uws/-/uws-9.14.0.tgz",
-      "integrity": "sha512-HNMztPP5A1sKuVFmdZ6BPVpBQd5bUjNC8EFMFiICK+oho/OQsAJy5hnIx4btMHiOk8j04f/DbIlqnEZ9d72dqg==",
-      "optional": true
-    },
     "v8-compile-cache": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz",
@@ -14259,26 +14239,15 @@
       "dev": true
     },
     "ws": {
-      "version": "3.3.3",
+      "version": "7.4.6",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "requires": {
+      "requires": {}
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      },
-      "dependencies": {
-        "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-        }
-      }
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.5",
+      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz",
-      "integrity": "sha512-/bFPLUgJrfGUL10AIv4Y7/CUt6so9CLtB/oFxQSHseSDNNCdC6vwwKEqwLN6wNPBg9YWXAiMu8jkf6RPRS/75Q=="
+      "integrity": "sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q=="
     },
     "xregexp": {
       "version": "2.0.0",

package.json

@@ -5,7 +5,7 @@
   "main": "app.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start:dev": "nodemon app.ts",
+    "start:dev": "nodemon app.js",
     "start:prod": "pm2 start ./app.js -n video-server",
     "watch": "watchify public/index.js -o public/bundle.js -v"
   },