@johnf/react-native-owl/lib/module/websocket.js

Visual regression testing for React Native

"use strict";

import WebSocket from 'ws';
import { WEBSOCKET_PORT } from "./constants.js";
export const startWebSocketServer = async logger => {
  const wss = new WebSocket.Server({
    port: WEBSOCKET_PORT
  });
  return new Promise(resolve => {
    wss.on('connection', ws => {
      ws.on('message', message => {
        logger.info(`[OWL - WebSocket] The server received a message: ${message.toString()}`);
        wss.clients.forEach(client => {
          if (client !== ws && client.readyState === WebSocket.OPEN) {
            client.send(message.toString());
          }
        });
      });
      ws.on('error', error => {
        logger.error(`[OWL - WebSocket] Error:`, error);
      });
    });
    wss.on('listening', () => {
      logger.info(`[OWL - WebSocket] Listening on port ${wss.options.port}.`);
      return resolve(wss);
    });
  });
};
export const createWebSocketClient = async (logger, onMessage) => {
  const wsClient = new WebSocket(`ws://localhost:${WEBSOCKET_PORT}`);
  return new Promise(resolve => {
    wsClient.on('open', () => resolve(wsClient));
    wsClient.on('message', message => {
      logger.info(`[OWL - WebSocket] The client received a message: ${message.toString()}.`);
      onMessage(message.toString());
    });
  });
};
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