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'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var SameValue = require('./SameValue');
var ToNumber = require('./ToNumber');
var ToString = require('./ToString');
var Type = require('./Type');
// https://ecma-international.org/ecma-262/6.0/#sec-canonicalnumericindexstring
module.exports = function CanonicalNumericIndexString(argument) {
if (Type(argument) !== 'String') {
throw new $TypeError('Assertion failed: `argument` must be a String');
}
if (argument === '-0') { return -0; }
var n = ToNumber(argument);
if (SameValue(ToString(n), argument)) { return n; }
return void 0;
};
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