Acme.BookStore.HttpApi.Host/node_modules/class-utils/index.js

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'use strict';

var util = require('util');
var union = require('arr-union');
var define = require('define-property');
var staticExtend = require('static-extend');
var isObj = require('isobject');

/**
 * Expose class utils
 */

var cu = module.exports;

/**
 * Expose class utils: `cu`
 */

cu.isObject = function isObject(val) {
  return isObj(val) || typeof val === 'function';
};

/**
 * Returns true if an array has any of the given elements, or an
 * object has any of the give keys.
 *
 * ```js
 * cu.has(['a', 'b', 'c'], 'c');
 * //=> true
 *
 * cu.has(['a', 'b', 'c'], ['c', 'z']);
 * //=> true
 *
 * cu.has({a: 'b', c: 'd'}, ['c', 'z']);
 * //=> true
 * ```
 * @param {Object} `obj`
 * @param {String|Array} `val`
 * @return {Boolean}
 * @api public
 */

cu.has = function has(obj, val) {
  val = cu.arrayify(val);
  var len = val.length;

  if (cu.isObject(obj)) {
    for (var key in obj) {
      if (val.indexOf(key) > -1) {
        return true;
      }
    }

    var keys = cu.nativeKeys(obj);
    return cu.has(keys, val);
  }

  if (Array.isArray(obj)) {
    var arr = obj;
    while (len--) {