| var baseFlatten = require('./_baseFlatten'); |
| |
| /** Used as references for various `Number` constants. */ |
| var INFINITY = 1 / 0; |
| |
| /** |
| * Recursively flattens `array`. |
| * |
| * @static |
| * @memberOf _ |
| * @since 3.0.0 |
| * @category Array |
| * @param {Array} array The array to flatten. |
| * @returns {Array} Returns the new flattened array. |
| * @example |
| * |
| * _.flattenDeep([1, [2, [3, [4]], 5]]); |
| * // => [1, 2, 3, 4, 5] |
| */ |
| function flattenDeep(array) { |
| var length = array == null ? 0 : array.length; |
| return length ? baseFlatten(array, INFINITY) : []; |
| } |
| |
| module.exports = flattenDeep; |