redux-modules/lib/utils/shallowEqual.js

A library for defining clear, boilerplate free Redux reducers.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
var hasOwn = Object.prototype.hasOwnProperty;

var shallowEqual = exports.shallowEqual = function shallowEqual(objA, objB) {
  if (objA === objB) {
    return true;
  }
  var keysA = Object.keys(objA);
  var keysB = Object.keys(objB);
  var lengthA = keysA.length;
  if (lengthA !== keysB.length) {
    return false;
  }
  for (var i = 0; i < lengthA; ++i) {
    var key = keysA[i];
    if (!hasOwn.call(objB, key) || objA[key] !== objB[key]) {
      return false;
    }
  }
  return true;
};

exports.default = shallowEqual;