x/lodash/flatten.js
1234567891011121314151617181920212223import baseFlatten from './_baseFlatten.js';/** * 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 ? array.length : 0; return length ? baseFlatten(array, 1) : [];}export default flatten;