node-vitals
Version:
Do more with less. A simple, high-performing, functional JavaScript library.
31 lines (26 loc) • 839 B
JavaScript
/**
* -----------------------------------------------------------------------------
* ACT TASK HELPER: getMatch
* -----------------------------------------------------------------------------
* @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)
*/
;
/**
* @param {string} str
* @param {!RegExp} pattern
* @return {string}
*/
module.exports = function getMatch(str, pattern) {
/** @type {Array} */
var matches;
/** @type {?string=} */
var match;
matches = pattern.exec(str);
match = matches && matches[0];
return match || '';
};