iz/lib/basicValidators/extended.js

Validation for node and the web.

'use strict';

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; };

/**
 * Is obj1 an extension of obj2? True if this is the case.
 * @param obj1
 * @param obj2
 * @return {Boolean}
 */
module.exports = function izExtension(obj1, obj2) {
  var key;
  if ((typeof obj1 === 'undefined' ? 'undefined' : _typeof(obj1)) !== 'object' || (typeof obj2 === 'undefined' ? 'undefined' : _typeof(obj2)) !== 'object') {
    return false;
  }

  for (key in obj2) {
    if (obj2.hasOwnProperty(key) && typeof obj1[key] === 'undefined') {
      return false;
    }
  }

  return true;
};