vue-app-sdk

Version:

Vue App SDK.

11 lines (10 loc) • 364 B

JavaScript

var MAX_SAFE_INTEGER = 9007199254740991;
var reIsUint = /^(?:0|[1-9]\d*)$/;
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);
}
export {
  isIndex as default
};