import { Component, createElement } from 'react';
import { polyfill } from 'react-lifecycles-compat';
import { fieldSubscriptionItems, version, ARRAY_ERROR } from 'final-form';
import { version as version$1, withReactFinalForm } from 'react-final-form';

function _objectWithoutPropertiesLoose(source, excluded) {
  if (source == null) return {};
  var target = {};
  var sourceKeys = Object.keys(source);
  var key, i;

  for (i = 0; i < sourceKeys.length; i++) {
    key = sourceKeys[i];
    if (excluded.indexOf(key) >= 0) continue;
    target[key] = source[key];
  }

  return target;
}

// Lots of other babel helpers (not shown).

import _extends from '@babel/runtime/helpers/extends';
import _objectWithoutPropertiesLoose from '@babel/runtime/helpers/objectWithoutPropertiesLoose';
import { Component, createElement } from 'react';
import _inheritsLoose from '@babel/runtime/helpers/inheritsLoose';
import _assertThisInitialized from '@babel/runtime/helpers/assertThisInitialized';
import _defineProperty from '@babel/runtime/helpers/defineProperty';
import { polyfill } from 'react-lifecycles-compat';
import { fieldSubscriptionItems, version, ARRAY_ERROR } from 'final-form';
import { version as version$1, withReactFinalForm } from 'react-final-form';

//      
function diffSubscription (a, b, keys) {
  if (a) {
    if (b) {
      // $FlowFixMe
      return keys.some(function (key) {
        return a[key] !== b[key];
      });
    } else {
      return true;
    }
  } else {
    return !!b;
  }
}