node-vitals
Version:
Do more with less. A simple, high-performing, functional JavaScript library.
36 lines (30 loc) • 862 B
JavaScript
/**
* -----------------------------------------------------------------------------
* VITALS UNIT TESTS HELPER: inArr
* -----------------------------------------------------------------------------
* @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)
*/
;
module.exports = inArr;
/**
* @param {!Array} source
* @param {*} val
* @return {boolean}
*/
function inArr(source, val) {
/** @type {number} */
var len;
/** @type {number} */
var i;
len = source.length;
i = -1;
while (++i < len) {
if (source[i] === val) return true;
}
return false;
}