classnames

const classNames = require('classnames'); classNames('foo', 'bar'); // => 'foo bar' Alternatively, you can simply include index.js on your page with a standalone <script> tag and it will export a global classNames method, or define the module if you are using RequireJS. Project philosophy We take the stability and performance of this package seriously, because it is run millions of times a day in

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文字列を合成するだけの薄いライブラリ. React.js と一緒に使うと便利