es-toolkit/dist/array/flatMap.mjs

A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

import { flatten } from './flatten.mjs';

function flatMap(arr, iteratee, depth = 1) {
    return flatten(arr.map((item, index) => iteratee(item, index, arr)), depth);
}

export { flatMap };