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31 lines
730 B
31 lines
730 B
10 years ago
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function classNames() {
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var classes = '';
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var arg;
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for (var i = 0; i < arguments.length; i++) {
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arg = arguments[i];
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if (!arg) {
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continue;
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}
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if ('string' === typeof arg || 'number' === typeof arg) {
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classes += ' ' + arg;
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} else if (Object.prototype.toString.call(arg) === '[object Array]') {
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classes += ' ' + classNames.apply(null, arg);
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} else if ('object' === typeof arg) {
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for (var key in arg) {
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if (!arg.hasOwnProperty(key) || !arg[key]) {
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continue;
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}
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classes += ' ' + key;
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}
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}
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}
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return classes.substr(1);
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}
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// safely export classNames in case the script is included directly on a page
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = classNames;
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}
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