react-redux-provide/lib/shallowEqual.js

Build your UI with React. Manage application state with Redux providers. Persist and share application state with replication. Use pure functions everywhere.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

exports.default = shallowEqual;
function shallowEqual(objA, objB) {
  if (objA === objB) {
    return true;
  }

  if (!objA || (typeof objA === 'undefined' ? 'undefined' : _typeof(objA)) !== 'object' || !objB || (typeof objB === 'undefined' ? 'undefined' : _typeof(objB)) !== 'object') {
    return false;
  }

  var keysA = Object.keys(objA);
  var keysB = Object.keys(objB);

  if (keysA.length !== keysB.length) {
    return false;
  }

  // Test for A's keys different from B.
  var hasOwn = Object.prototype.hasOwnProperty;
  for (var i = 0; i < keysA.length; i++) {
    if (!hasOwn.call(objB, keysA[i]) || objA[keysA[i]] !== objB[keysA[i]]) {
      return false;
    }
  }

  return true;
}