GoScrobble/web/node_modules/lodash-es/flatMapDeep.js

32 lines
794 B
JavaScript
Raw Normal View History

2022-04-25 02:47:15 +00:00
import baseFlatten from './_baseFlatten.js';
import map from './map.js';
/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0;
/**
* This method is like `_.flatMap` except that it recursively flattens the
* mapped results.
*
* @static
* @memberOf _
* @since 4.7.0
* @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]]];
* }
*
* _.flatMapDeep([1, 2], duplicate);
* // => [1, 1, 2, 2]
*/
function flatMapDeep(collection, iteratee) {
return baseFlatten(map(collection, iteratee), INFINITY);
}
export default flatMapDeep;