1  var baseIsMap = require('./_baseIsMap'),
 2      baseUnary = require('./_baseUnary'),
 3      nodeUtil = require('./_nodeUtil');
 4  
 5  /* Node.js helper references. */
 6  var nodeIsMap = nodeUtil && nodeUtil.isMap;
 7  
 8  /**
 9   * Checks if `value` is classified as a `Map` object.
10   *
11   * @static
12   * @memberOf _
13   * @since 4.3.0
14   * @category Lang
15   * @param {*} value The value to check.
16   * @returns {boolean} Returns `true` if `value` is a map, else `false`.
17   * @example
18   *
19   * _.isMap(new Map);
20   * // => true
21   *
22   * _.isMap(new WeakMap);
23   * // => false
24   */
25  var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
26  
27  module.exports = isMap;