rn-vorlon-wrapper

wrapper.js

import { Platform, YellowBox } from "react-native";
import _ from "lodash";

const ignoredYellowBox = console.ignoredYellowBox || [];
console.ignoredYellowBox = ["Setting a timer"].concat(...ignoredYellowBox);
YellowBox.ignoreWarnings(console.ignoredYellowBox);

var urljoin = require("url-join");

const io = require("socket.io-client");
const _connect = io.connect;
io.connect = (serverUrl, options = {}) =>
  _connect(serverUrl, {
    ...options,
    transports: ['websocket'],
  });

const _require = id => {
  if (id == "socket.io-client") {
    return io;
  }
  if (id == "module") {
    return {
      _cache: []
    };
  }
};

const process = {
  title: "RN",
  platform: Platform.OS,
  version: "7.1.0",
  umask: () => 18,
  cwd: () => "",
  nextTick: setImmediate,
  env: {
    HOME: "/",
    USERNAME: "[email protected]"
  },
  stdin: {
    resume: () => {}
  },
  on: () => {},
  argv: ["react-native"],
  versions: {},
  memoryUsage: () => {
    return 0;
  }
};

const runInScope = script => {
  new Function(
    "exports",
    "require",
    "module",
    "window",
    "global",
    "process",
    script
  ).bind(window)(exports, _require, module, undefined, global, process);
};

(function() {
  exports.start = function(vorlonjsURL, dashboardId, callback) {
    if (dashboardId == undefined) {
      dashboardId = "default";
    }

    // var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
    var xhr = new XMLHttpRequest();
    var vorlonNodeUrl = urljoin(
      vorlonjsURL,
      "vorlon.node.max.js/" + dashboardId
    );
    xhr.onload = async function() {
      try {
        // const scriptFile = FileSystem.cacheDirectory + "vorlon.js";
        // await FileSystem.writeAsStringAsync(scriptFile, xhr.responseText);
        await runInScope(xhr.responseText.concat("\nglobal.VORLON = VORLON;"));
        if (window.VORLON && window.VORLON.Tools) {
          // window.VORLON.Tools.CreateGUID = () => "<device uniqueid>";
        }
        window.VORLON.Core.StartClientSide(vorlonjsURL, dashboardId);
        if (callback) {
          console.log(vorlonNodeUrl);
          callback(true, "n/a");
        }
      } catch (e) {
        console.error(e);
        console.log("Wrapper Vorlon.js error : " + e.message);
        if (callback) {
          callback(false, e.message);
        }
      }
    };
    xhr.open("get", vorlonNodeUrl);
    xhr.send();
  };
})();