basant307/AI_Governance_Project

1/** Used as references for various `Number` constants. */2var MAX_SAFE_INTEGER = 9007199254740991;3 4/** Used to detect unsigned integer values. */5var reIsUint = /^(?:0|[1-9]\d*)$/;6 7/**8 * Checks if `value` is a valid array-like index.9 *10 * @private11 * @param {*} value The value to check.12 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.13 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.14 */15function isIndex(value, length) {16  var type = typeof value;17  length = length == null ? MAX_SAFE_INTEGER : length;18 19  return !!length &&20    (type == 'number' ||21      (type != 'symbol' && reIsUint.test(value))) &&22        (value > -1 && value % 1 == 0 && value < length);23}24 25export default isIndex;26