28 lines
1,005 B
JavaScript
28 lines
1,005 B
JavaScript
import _curry3 from "./internal/_curry3.js";
|
|
/**
|
|
* Inserts the sub-list into the list, at the specified `index`. _Note that this is not
|
|
* destructive_: it returns a copy of the list with the changes.
|
|
* <small>No lists have been harmed in the application of this function.</small>
|
|
*
|
|
* @func
|
|
* @memberOf R
|
|
* @since v0.9.0
|
|
* @category List
|
|
* @sig Number -> [a] -> [a] -> [a]
|
|
* @param {Number} index The position to insert the sub-list
|
|
* @param {Array} elts The sub-list to insert into the Array
|
|
* @param {Array} list The list to insert the sub-list into
|
|
* @return {Array} A new Array with `elts` inserted starting at `index`.
|
|
* @example
|
|
*
|
|
* R.insertAll(2, ['x','y','z'], [1,2,3,4]); //=> [1,2,'x','y','z',3,4]
|
|
*/
|
|
|
|
var insertAll =
|
|
/*#__PURE__*/
|
|
_curry3(function insertAll(idx, elts, list) {
|
|
idx = idx < list.length && idx >= 0 ? idx : list.length;
|
|
return [].concat(Array.prototype.slice.call(list, 0, idx), elts, Array.prototype.slice.call(list, idx));
|
|
});
|
|
|
|
export default insertAll; |