| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | var baseFlatten = require('./_baseFlatten'); |
| 2 | |
| 3 | /** Used as references for various `Number` constants. */ |
| 4 | var INFINITY = 1 / 0; |
| 5 | |
| 6 | /** |
| 7 | * Recursively flattens `array`. |
| 8 | * |
| 9 | * @static |
| 10 | * @memberOf _ |
| 11 | * @since 3.0.0 |
| 12 | * @category Array |
| 13 | * @param {Array} array The array to flatten. |
| 14 | * @returns {Array} Returns the new flattened array. |
| 15 | * @example |
| 16 | * |
| 17 | * _.flattenDeep([1, [2, [3, [4]], 5]]); |
| 18 | * // => [1, 2, 3, 4, 5] |
| 19 | */ |
| 20 | function flattenDeep(array) { |
| 21 | var length = array == null ? 0 : array.length; |
| 22 | return length ? baseFlatten(array, INFINITY) : []; |
| 23 | } |
| 24 | |
| 25 | module.exports = flattenDeep; |