generated from Java-2025Fall/final-vibevault-template
20 lines
572 B
JavaScript
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;
|
|
};
|