|
Last change
on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
|
initial commit
|
-
Property mode
set to
100644
|
|
File size:
515 bytes
|
| Line | |
|---|
| 1 | module.exports = function flatten(list, depth) {
|
|---|
| 2 | depth = (typeof depth == 'number') ? depth : Infinity;
|
|---|
| 3 |
|
|---|
| 4 | if (!depth) {
|
|---|
| 5 | if (Array.isArray(list)) {
|
|---|
| 6 | return list.map(function(i) { return i; });
|
|---|
| 7 | }
|
|---|
| 8 | return list;
|
|---|
| 9 | }
|
|---|
| 10 |
|
|---|
| 11 | return _flatten(list, 1);
|
|---|
| 12 |
|
|---|
| 13 | function _flatten(list, d) {
|
|---|
| 14 | return list.reduce(function (acc, item) {
|
|---|
| 15 | if (Array.isArray(item) && d < depth) {
|
|---|
| 16 | return acc.concat(_flatten(item, d + 1));
|
|---|
| 17 | }
|
|---|
| 18 | else {
|
|---|
| 19 | return acc.concat(item);
|
|---|
| 20 | }
|
|---|
| 21 | }, []);
|
|---|
| 22 | }
|
|---|
| 23 | };
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
