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/**
* Copyright (c) 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule joinClasses
* @typechecks static-only
*/
'use strict';
/**
* Combines multiple className strings into one.
* http://jsperf.com/joinclasses-args-vs-array
*
* @param {...?string} className
* @return {string}
*/
function joinClasses(className /*, ... */) {
if (!className) {
className = '';
}
let nextClass;
const argLength = arguments.length;
if (argLength > 1) {
for (let ii = 1; ii < argLength; ii++) {
nextClass = arguments[ii];
if (nextClass) {
className = (className ? className + ' ' : '') + nextClass;
}
}
}
return className;
}
module.exports = joinClasses;
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