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| var baseFlatten = require('./_baseFlatten'),
| map = require('./map');
|
| /**
| * 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);
| }
|
| module.exports = flatMap;
|
|
