node/tools/eslint/node_modules/es5-ext/number/is-safe-integer/is-implemented.js

'use strict';

module.exports = function () {
	var isSafeInteger = Number.isSafeInteger;
	if (typeof isSafeInteger !== 'function') return false;
	return !isSafeInteger('23') && isSafeInteger(34232322323) &&
			!isSafeInteger(9007199254740992);
};