main
Last change
on this file since d24f17c was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
Initial commit
|
-
Property mode
set to
100644
|
File size:
943 bytes
|
Rev | Line | |
---|
[d24f17c] | 1 | import _curry3 from "./internal/_curry3.js";
|
---|
| 2 | /**
|
---|
| 3 | * Inserts the supplied element into the list, at the specified `index`. _Note that
|
---|
| 4 |
|
---|
| 5 | * this is not destructive_: it returns a copy of the list with the changes.
|
---|
| 6 | * <small>No lists have been harmed in the application of this function.</small>
|
---|
| 7 | *
|
---|
| 8 | * @func
|
---|
| 9 | * @memberOf R
|
---|
| 10 | * @since v0.2.2
|
---|
| 11 | * @category List
|
---|
| 12 | * @sig Number -> a -> [a] -> [a]
|
---|
| 13 | * @param {Number} index The position to insert the element
|
---|
| 14 | * @param {*} elt The element to insert into the Array
|
---|
| 15 | * @param {Array} list The list to insert into
|
---|
| 16 | * @return {Array} A new Array with `elt` inserted at `index`.
|
---|
| 17 | * @example
|
---|
| 18 | *
|
---|
| 19 | * R.insert(2, 'x', [1,2,3,4]); //=> [1,2,'x',3,4]
|
---|
| 20 | */
|
---|
| 21 |
|
---|
| 22 | var insert =
|
---|
| 23 | /*#__PURE__*/
|
---|
| 24 | _curry3(function insert(idx, elt, list) {
|
---|
| 25 | idx = idx < list.length && idx >= 0 ? idx : list.length;
|
---|
| 26 | var result = Array.prototype.slice.call(list, 0);
|
---|
| 27 | result.splice(idx, 0, elt);
|
---|
| 28 | return result;
|
---|
| 29 | });
|
---|
| 30 |
|
---|
| 31 | export default insert; |
---|
Note:
See
TracBrowser
for help on using the repository browser.