| var baseFlatten = require('./_baseFlatten'); | |
| 
 | |
| /** | |
|  * Flattens `array` a single level deep. | |
|  * | |
|  * @static | |
|  * @memberOf _ | |
|  * @since 0.1.0 | |
|  * @category Array | |
|  * @param {Array} array The array to flatten. | |
|  * @returns {Array} Returns the new flattened array. | |
|  * @example | |
|  * | |
|  * _.flatten([1, [2, [3, [4]], 5]]); | |
|  * // => [1, 2, [3, [4]], 5] | |
|  */ | |
| function flatten(array) { | |
|   var length = array == null ? 0 : array.length; | |
|   return length ? baseFlatten(array, 1) : []; | |
| } | |
| 
 | |
| module.exports = flatten;
 |