redux-form/es/structure/immutable/deepEqual.js

A higher order component decorator for forms using Redux and React

import _isEqualWith from 'lodash-es/isEqualWith';
import { Iterable } from 'immutable';

var customizer = function customizer(obj, other) {
  if (obj == other) return true;
  if ((obj == null || obj === '' || obj === false) && (other == null || other === '' || other === false)) return true;

  if (Iterable.isIterable(obj) && Iterable.isIterable(other)) {
    return obj.count() === other.count() && obj.every(function (value, key) {
      return _isEqualWith(value, other.get(key), customizer);
    });
  }

  return void 0;
};

var deepEqual = function deepEqual(a, b) {
  return _isEqualWith(a, b, customizer);
};

export default deepEqual;