node-vitals
Version:
Do more with less. A simple, high-performing, functional JavaScript library.
48 lines (38 loc) • 1.31 kB
JavaScript
/**
* -----------------------------------------------------------------------------
* VITALS HELPER: ownEnum
* -----------------------------------------------------------------------------
* @version 4.1.3
* @see [vitals]{@link https://github.com/imaginate/vitals}
*
* @author Adam Smith <adam@imaginate.life> (https://github.com/imaginate)
* @copyright 2017 Adam A Smith <adam@imaginate.life> (https://github.com/imaginate)
*
* Annotations:
* @see [JSDoc3](http://usejsdoc.org)
* @see [Closure Compiler JSDoc Syntax](https://developers.google.com/closure/compiler/docs/js-for-compiler)
*/
'use strict';
////////////////////////////////////////////////////////////////////////////////
// VITALS HELPER: ownEnum
////////////////////////////////////////////////////////////////////////////////
var ownEnum = (function ownEnumPrivateScope() {
/**
* @private
* @param {*} key
* @return {boolean}
*/
var hasEnum = Object.prototype.propertyIsEnumerable;
/**
* @param {(Object|?function)} source
* @param {*} key
* @return {boolean}
*/
function ownEnum(source, key) {
return !!source && hasEnum.call(source, key);
}
////////////////////////////////////////////////////
// PRIVATE SCOPE END: ownEnum
return ownEnum;
})();
module.exports = ownEnum;