x/lodash/flatMap.js
12345678910111213141516171819202122232425262728293031import baseFlatten from './_baseFlatten.js';import map from './map.js';/** * Creates a flattened array of values by running each element in `collection` * thru `iteratee` and flattening the mapped results. The iteratee is invoked * with three arguments: (value, index|key, collection). * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] * The function invoked per iteration. * @returns {Array} Returns the new flattened array. * @example * * function duplicate(n) { * return [n, n]; * } * * _.flatMap([1, 2], duplicate); * // => [1, 1, 2, 2] */function flatMap(collection, iteratee) { return baseFlatten(map(collection, iteratee), 1);}export default flatMap;