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| import baseFlatten from './.internal/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). | |
| * | |
| * @since 4.0.0 | |
| * @category Collection | |
| * @param {Array|Object} collection The collection to iterate over. | |
| * @param {Function} iteratee The function invoked per iteration. | |
| * @returns {Array} Returns the new flattened array. | |
| * @see flatMapDeep, flatMapDepth, flatten, flattenDeep, flattenDepth, map, mapKeys, mapValues | |
| * @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 |