redux_get_store_snapshot.js

(function(rootId) {
  var appStates = []
  var reactRoot = document.querySelector('#' + rootId);
  var base

  try {
      base = reactRoot._reactRootContainer._internalRoot.current
  } catch (e) {
      console.log('Could not get internal root information from reactRoot element')   
  }

  while (base) {
      try {
          // This also sometimes works...
          // state = base.stateNode.store.getState()
          appStates.push(base.pendingProps.store.getState())
      } catch (e) {
          // no state
      }
      base = base.child
  }


  console.log('Application States');
  if (appStates.length) {
      console.log(appStates[0]);
      console.log(JSON.stringify(appStates[0]));
  }
})('body');