|
1
|
var isIndex = require('./_isIndex');
|
|
2
|
|
|
3
|
/**
|
|
4
|
* The base implementation of `_.nth` which doesn't coerce arguments.
|
|
5
|
*
|
|
6
|
* @private
|
|
7
|
* @param {Array} array The array to query.
|
|
8
|
* @param {number} n The index of the element to return.
|
|
9
|
* @returns {*} Returns the nth element of `array`.
|
|
10
|
*/
|
|
11
|
function baseNth(array, n) {
|
|
12
|
var length = array.length;
|
|
13
|
if (!length) {
|
|
14
|
return;
|
|
15
|
}
|
|
16
|
n += n < 0 ? length : 0;
|
|
17
|
return isIndex(n, length) ? array[n] : undefined;
|
|
18
|
}
|
|
19
|
|
|
20
|
module.exports = baseNth;
|