33 lines
762 B
Plaintext
33 lines
762 B
Plaintext
|
/**
|
||
|
|
* Copyright (c) 2013-present, Facebook, Inc.
|
||
|
|
*
|
||
|
|
* This source code is licensed under the MIT license found in the
|
||
|
|
* LICENSE file in the root directory of this source tree.
|
||
|
|
*
|
||
|
|
* @providesModule joinClasses
|
||
|
|
* @flow
|
||
|
|
* @typechecks static-only
|
||
|
|
*/
|
||
|
|
'use strict';
|
||
|
|
/**
|
||
|
|
* Combines multiple className strings into one.
|
||
|
|
*/
|
||
|
|
|
||
|
|
function joinClasses(className: mixed): string {
|
||
|
|
let newClassName = ((className: any): string) || '';
|
||
|
|
const argLength = arguments.length;
|
||
|
|
|
||
|
|
if (argLength > 1) {
|
||
|
|
for (let index = 1; index < argLength; index++) {
|
||
|
|
const nextClass = arguments[index];
|
||
|
|
|
||
|
|
if (nextClass) {
|
||
|
|
newClassName = (newClassName ? newClassName + ' ' : '') + nextClass;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return newClassName;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = joinClasses;
|