zioinfo-mail/workspace/guardia-manager/frontend/node_modules/lodash/_isIndex.js
DESKTOP-TKLFCPR\ython cfe2901a55 refactor(structure): consolidate all projects under workspace/
- itsm/    -> workspace/guardia-itsm/
- manager/ -> workspace/guardia-manager/
- app/     -> workspace/guardia-messenger/
- manual/  -> workspace/guardia-docs/

workspace/zioinfo-web/ unchanged.
git mv preserves full commit history.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-31 23:50:56 +09:00

26 lines
759 B
JavaScript

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;
/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;
/**
* Checks if `value` is a valid array-like index.
*
* @private
* @param {*} value The value to check.
* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
* @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 &&
(type == 'number' ||
(type != 'symbol' && reIsUint.test(value))) &&
(value > -1 && value % 1 == 0 && value < length);
}
module.exports = isIndex;