16 lines
No EOL
862 B
JavaScript
16 lines
No EOL
862 B
JavaScript
import assertString from './util/assertString';
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var _int = /^(?:[-+]?(?:0|[1-9][0-9]*))$/;
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var intLeadingZeroes = /^[-+]?[0-9]+$/;
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export default function isInt(str, options) {
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assertString(str);
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options = options || {}; // Get the regex to use for testing, based on whether
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// leading zeroes are allowed or not.
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var regex = options.hasOwnProperty('allow_leading_zeroes') && !options.allow_leading_zeroes ? _int : intLeadingZeroes; // Check min/max/lt/gt
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var minCheckPassed = !options.hasOwnProperty('min') || str >= options.min;
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var maxCheckPassed = !options.hasOwnProperty('max') || str <= options.max;
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var ltCheckPassed = !options.hasOwnProperty('lt') || str < options.lt;
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var gtCheckPassed = !options.hasOwnProperty('gt') || str > options.gt;
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return regex.test(str) && minCheckPassed && maxCheckPassed && ltCheckPassed && gtCheckPassed;
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} |