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- 'use strict';
- var abs = require('./abs');
- var floor = require('./floor');
- var $isNaN = require('../helpers/isNaN');
- var $isFinite = require('../helpers/isFinite');
- // https://ecma-international.org/ecma-262/6.0/#sec-isinteger
- module.exports = function IsInteger(argument) {
- if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
- return false;
- }
- var absValue = abs(argument);
- return floor(absValue) === absValue;
- };
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