react-autosuggest/dist/compareObjects.js

WAI-ARIA compliant React autosuggest component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = compareObjects;

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function compareObjects(objA, objB) {
  var keys = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];

  if (objA === objB) {
    return false;
  }

  var aKeys = Object.keys(objA);
  var bKeys = Object.keys(objB);

  if (aKeys.length !== bKeys.length) {
    return true;
  }

  var keysMap = {};
  var i, len;

  for (i = 0, len = keys.length; i < len; i++) {
    keysMap[keys[i]] = true;
  }

  for (i = 0, len = aKeys.length; i < len; i++) {
    var key = aKeys[i];
    var aValue = objA[key];
    var bValue = objB[key];

    if (aValue === bValue) {
      continue;
    }

    if (!keysMap[key] || aValue === null || bValue === null || _typeof(aValue) !== 'object' || _typeof(bValue) !== 'object') {
      return true;
    }

    var aValueKeys = Object.keys(aValue);
    var bValueKeys = Object.keys(bValue);

    if (aValueKeys.length !== bValueKeys.length) {
      return true;
    }

    for (var n = 0, length = aValueKeys.length; n < length; n++) {
      var aValueKey = aValueKeys[n];

      if (aValue[aValueKey] !== bValue[aValueKey]) {
        return true;
      }
    }
  }

  return false;
}