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413 BJavaScriptView Raw
1'use strict';
2
3/**
4 * Checks whether a value is a function
5 *
6 * **Aliases** _str_
7 *
8 * @function string
9 *
10 * @example
11 * var is = require('predicates');
12 *
13 * is.string('test'); // true
14 * is.string({}); // false
15 *
16 * @param {*} value
17 * @returns {Boolean}
18 */
19module.exports = function isString(value) {
20 return typeof value === 'string' || Object.prototype.toString.call(value) === '[object String]';
21};