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