redux/lib/utils/shallowEqualScalar.js

Atomic Flux with hot reloading

'use strict';

exports.__esModule = true;
exports['default'] = shallowEqualScalar;

function shallowEqualScalar(objA, objB) {
  if (objA === objB) {
    return true;
  }

  if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) {
    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])) {
      return false;
    }

    var valA = objA[keysA[i]];
    var valB = objB[keysA[i]];

    if (valA !== valB || typeof valA === 'object' || typeof valB === 'object') {
      return false;
    }
  }

  return true;
}

module.exports = exports['default'];