Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-06 01:47:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Bump to v4.17.5.

Browse Source
This commit is contained in:
John-David Dalton
2018-02-02 21:11:07 -08:00
parent 528e134995
commit edff3e8d25
16 changed files with 130 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
_isIndex.js
View File

@@ -13,10 +13,13 @@ var reIsUint = /^(?:0|[1-9]\d*)$/;
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
*/
function isIndex(value, length) {
var type = typeof value;
length = length == null ? MAX_SAFE_INTEGER : length;
return !!length &&
(typeof value == 'number' || reIsUint.test(value)) &&
(value > -1 && value % 1 == 0 && value < length);
(type == 'number' ||
(type != 'symbol' && reIsUint.test(value))) &&
(value > -1 && value % 1 == 0 && value < length);
}
export default isIndex;