UNPKG

613 BJavaScriptView Raw
1var baseIsMap = require('./_baseIsMap'),
2 baseUnary = require('./_baseUnary'),
3 nodeUtil = require('./_nodeUtil');
4
5/* Node.js helper references. */
6var 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 */
25var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
26
27module.exports = isMap;