lushijie

function interceptNetworkRequests(ee) {
    const open = XMLHttpRequest.prototype.open;
    const send = XMLHttpRequest.prototype.send;

    const isRegularXHR = open.toString().indexOf('native code') !== -1;


    // don't hijack if already hijacked - this will mess up with frameworks like Angular with zones
    // we work if we load first there which we can.
    if (isRegularXHR) {

lushijie

// determine if in-browser or using node.js

// thruthy
var _nodejs = (
  typeof process !== 'undefined' && process.versions && process.versions.node);
if (_nodejs) {
  _nodejs = {
    version: process.versions.node
  };
}

lushijie

function toJSON(node) {
  node = node || this;
  var obj = {
    nodeType: node.nodeType
  };
  if (node.tagName) {
    obj.tagName = node.tagName.toLowerCase();
  } else
  if (node.nodeName) {
    obj.nodeName = node.nodeName;