23 lines
		
	
	
		
			489 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			23 lines
		
	
	
		
			489 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | 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; |