Files
react/src/utils/joinClasses.js
T
Paul O’Shannessy 8a47813baa Update copyrights for 2014.
grep -rl 'Copyright 2013 Facebook' static_upstream | xargs perl -pi -w -e s/Copyright 2013 Facebook/Copyright 2013-2014 Facebook/g;'

Not going to check in a script to do this since it will just change every year.
Closes #1006
2014-02-18 17:06:43 -08:00

45 lines
1.2 KiB
JavaScript

/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @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];
nextClass && (className += ' ' + nextClass);
}
}
return className;
}
module.exports = joinClasses;