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math-intrinsics
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isInteger.js
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'use strict'; var $abs = require('./abs'); var $floor = require('./floor'); var $isNaN = require('./isNaN'); var $isFinite = require('./isFinite'); /** @type {import('./isInteger')} */ module.exports = function isInteger(argument) { if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) { return false; } var absValue = $abs(argument); return $floor(absValue) === absValue; };