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; }