number.issafeinteger/shim.js

An ES-spec-compliant Number.isSafeInteger shim/polyfill/replacement that works as far down as ES3

'use strict';

var define = require('define-properties');
var getPolyfill = require('./polyfill');

module.exports = function shimMathIsSafeInteger() {
	var polyfill = getPolyfill();
	define(Number, { isSafeInteger: polyfill });
	return polyfill;
};