@arrows/array/flatMap.js

Functional tools for JS arrays

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.flatMap = void 0;
const curry_1 = require("@arrows/composition/curry");
const _flatMap = (mappingFn, arr) => arr.flatMap(mappingFn);
/**
 * Functional wrapper for Array.prototype.flatMap
 *
 * Calls a defined mapping function on each element of an array.
 * Then, flattens the result into a new array.
 * This is identical to a map followed by flat with depth 1.
 *
 * @param mappingFn Mapping function
 * @param arr Initial array
 * @returns New array
 */
const flatMap = curry_1.default(_flatMap);
exports.flatMap = flatMap;
exports.default = flatMap;