| 386 | var hasOwn = {}.hasOwnProperty; |
| 387 | |
| 388 | function classNames () { |
| 389 | var classes = []; |
| 390 | |
| 391 | for (var i = 0; i < arguments.length; i++) { |
| 392 | var arg = arguments[i]; |
| 393 | if (!arg) continue; |
| 394 | |
| 395 | var argType = typeof arg; |
| 396 | |
| 397 | if (argType === 'string' || argType === 'number') { |
| 398 | classes.push(arg); |
| 399 | } else if (Array.isArray(arg) && arg.length) { |
| 400 | var inner = classNames.apply(null, arg); |
| 401 | if (inner) { |
| 402 | classes.push(inner); |
| 403 | } |
| 404 | } else if (argType === 'object') { |
| 405 | for (var key in arg) { |
| 406 | if (hasOwn.call(arg, key) && arg[key]) { |
| 407 | classes.push(key); |
| 408 | } |
| 409 | } |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | return classes.join(' '); |
| 414 | } |
| 415 | |
| 416 | if (typeof module !== 'undefined' && module.exports) { |
| 417 | classNames.default = classNames; |