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

Visual regression testing for React Native

"use strict";

import { WEBSOCKET_PORT } from "../constants.js";
import { ANDROID_WS_HOST, IOS_WS_HOST } from "./constants.js";

/**
 * Create a connection to the websocket server,
 * and call the onMessage callback when it receives any messages.
 */
export const initWebSocket = (logger, platform, onMessage) => {
  const ipAddress = platform === 'android' ? ANDROID_WS_HOST : IOS_WS_HOST;
  const ws = new WebSocket(`ws://${ipAddress}:${WEBSOCKET_PORT}`);
  return new Promise((resolve, reject) => {
    ws.onopen = () => {
      logger.info('[OWL - Websocket] onopen');
      ws.send('OWL Client Connected!');
      resolve(ws);
    };
    ws.onmessage = e => {
      logger.info(`[OWL - Websocket] onmessage: ${e.data}`);
      onMessage(e.data.toString());
    };
    ws.onerror = e => {
      logger.info(`[OWL - Websocket] onerror: ${e.message}`);
    };
    ws.onclose = e => {
      logger.info(`[OWL - Websocket] onclose: ${e.reason}`);
      reject(e);
    };
  });
};
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