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| module.exports = function flatten(list, depth) {
| depth = (typeof depth == 'number') ? depth : Infinity;
|
| if (!depth) {
| if (Array.isArray(list)) {
| return list.map(function(i) { return i; });
| }
| return list;
| }
|
| return _flatten(list, 1);
|
| function _flatten(list, d) {
| return list.reduce(function (acc, item) {
| if (Array.isArray(item) && d < depth) {
| return acc.concat(_flatten(item, d + 1));
| }
| else {
| return acc.concat(item);
| }
| }, []);
| }
| };
|
|
