You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
941 B
40 lines
941 B
10 years ago
|
/**
|
||
|
|
* Copyright 2013-2015, 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} classes
|
||
|
|
* @return {string}
|
||
|
|
*/
|
||
|
|
function joinClasses(className/*, ... */) {
|
||
|
|
if (!className) {
|
||
|
|
className = '';
|
||
|
|
}
|
||
|
|
var nextClass;
|
||
|
|
var argLength = arguments.length;
|
||
|
|
if (argLength > 1) {
|
||
|
|
for (var ii = 1; ii < argLength; ii++) {
|
||
|
|
nextClass = arguments[ii];
|
||
|
|
if (nextClass) {
|
||
|
|
className = (className ? className + ' ' : '') + nextClass;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return className;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = joinClasses;
|