lix-website/themes/lix/assets/bootstrap/node_modules/es-abstract/2018/CanonicalNumericIndexString.js
2024-04-26 22:49:34 -06:00

20 lines
572 B
JavaScript

'use strict';
var $TypeError = require('es-errors/type');
var SameValue = require('./SameValue');
var ToNumber = require('./ToNumber');
var ToString = require('./ToString');
// https://262.ecma-international.org/6.0/#sec-canonicalnumericindexstring
module.exports = function CanonicalNumericIndexString(argument) {
if (typeof 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;
};