rollbar/src/browser/wrapGlobals.js

Effortlessly track and debug errors in your JavaScript applications with Rollbar. This package includes advanced error tracking features and an intuitive interface to help you identify and fix issues more quickly.

import { hasOwn } from '../utility.js';

function wrapGlobals(window, handler, shim) {
  if (!window) {
    return;
  }
  // Adapted from https://github.com/bugsnag/bugsnag-js
  var globals =
    'EventTarget,Window,Node,ApplicationCache,AudioTrackList,ChannelMergerNode,CryptoOperation,EventSource,FileReader,HTMLUnknownElement,IDBDatabase,IDBRequest,IDBTransaction,KeyOperation,MediaController,MessagePort,ModalWindow,Notification,SVGElementInstance,Screen,TextTrack,TextTrackCue,TextTrackList,WebSocket,WebSocketWorker,Worker,XMLHttpRequest,XMLHttpRequestEventTarget,XMLHttpRequestUpload'.split(
      ',',
    );
  var i, global;
  for (i = 0; i < globals.length; ++i) {
    global = globals[i];

    if (window[global] && window[global].prototype) {
      _extendListenerPrototype(handler, window[global].prototype, shim);
    }
  }
}

function _extendListenerPrototype(handler, prototype, shim) {
  if (hasOwn(prototype, 'addEventListener')) {
    var oldAddEventListener = prototype.addEventListener;
    while (
      oldAddEventListener._rollbarOldAdd &&
      oldAddEventListener.belongsToShim
    ) {
      oldAddEventListener = oldAddEventListener._rollbarOldAdd;
    }
    var addFn = function (event, callback, bubble) {
      oldAddEventListener.call(this, event, handler.wrap(callback), bubble);
    };
    addFn._rollbarOldAdd = oldAddEventListener;
    addFn.belongsToShim = shim;
    prototype.addEventListener = addFn;

    var oldRemoveEventListener = prototype.removeEventListener;
    while (
      oldRemoveEventListener._rollbarOldRemove &&
      oldRemoveEventListener.belongsToShim
    ) {
      oldRemoveEventListener = oldRemoveEventListener._rollbarOldRemove;
    }
    var removeFn = function (event, callback, bubble) {
      oldRemoveEventListener.call(
        this,
        event,
        (callback && callback._rollbar_wrapped) || callback,
        bubble,
      );
    };
    removeFn._rollbarOldRemove = oldRemoveEventListener;
    removeFn.belongsToShim = shim;
    prototype.removeEventListener = removeFn;
  }
}

export default wrapGlobals;