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1 files changed, 17 insertions, 0 deletions

diff --git a/src/node_modules/es-abstract/2017/IsInteger.js b/src/node_modules/es-abstract/2017/IsInteger.js
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+++ b/src/node_modules/es-abstract/2017/IsInteger.js
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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://www.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;
+};