import assertString from './util/assertString';
var _int = /^(?:[-+]?(?:0|[1-9][0-9]*))$/;
var intLeadingZeroes = /^[-+]?[0-9]+$/;
export default function isInt(str, options) {
  assertString(str);
  options = options || {}; // Get the regex to use for testing, based on whether
  // leading zeroes are allowed or not.

  var regex = options.hasOwnProperty('allow_leading_zeroes') && !options.allow_leading_zeroes ? _int : intLeadingZeroes; // Check min/max/lt/gt

  var minCheckPassed = !options.hasOwnProperty('min') || str >= options.min;
  var maxCheckPassed = !options.hasOwnProperty('max') || str <= options.max;
  var ltCheckPassed = !options.hasOwnProperty('lt') || str < options.lt;
  var gtCheckPassed = !options.hasOwnProperty('gt') || str > options.gt;
  return regex.test(str) && minCheckPassed && maxCheckPassed && ltCheckPassed && gtCheckPassed;
}