message: fix: snapshot failing on constructor prop
diff: @@ -118,12 +118,17 @@ export const isSafari = Object.prototype.toString.call(window.HTMLElement).index
  || (function (p) { return p.toString() === '[object SafariRemoteNotification]'; })(!window['safari']
  || safari.pushNotification);
  +// works only for plain objects (JSON)
  export function snapshot(obj) {
  if(obj == undefined || typeof(obj) !== 'object') {
  return obj;
  }
  - var temp = new obj.constructor();
  + if(obj instanceof Date) {
  + return new Date(obj.getTime());
  + }
  +
  + var temp = Array.isArray(obj) ? [] : {};
  for(var key in obj) {
  if (obj.hasOwnProperty(key)) {
  