@mightyplow/jslib/array/flatten.js

js helpers library

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

import checkArray from './_checkArray';

/**
 * @memberOf array
 * @param ar
 * @return {*}
 */
export default (function (ar) {
    checkArray(ar);

    return ar.reduce(function (acc, item) {
        if (Array.isArray(item)) {
            acc.push.apply(acc, _toConsumableArray(flatten(item)));
        } else {
            acc.push(item);
        }

        return acc;
    }, []);
});