functions.js
 1  var baseFunctions = require('./_baseFunctions'),
 2      keys = require('./keys');
 3  
 4  /**
 5   * Creates an array of function property names from own enumerable properties
 6   * of `object`.
 7   *
 8   * @static
 9   * @since 0.1.0
10   * @memberOf _
11   * @category Object
12   * @param {Object} object The object to inspect.
13   * @returns {Array} Returns the function names.
14   * @see _.functionsIn
15   * @example
16   *
17   * function Foo() {
18   *   this.a = _.constant('a');
19   *   this.b = _.constant('b');
20   * }
21   *
22   * Foo.prototype.c = _.constant('c');
23   *
24   * _.functions(new Foo);
25   * // => ['a', 'b']
26   */
27  function functions(object) {
28    return object == null ? [] : baseFunctions(object, keys(object));
29  }
30  
31  module.exports = functions;