hexo/node_modules/es-abstract/2022/ToNumber.js

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2023-10-03 11:14:36 +08:00
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var $Number = GetIntrinsic('%Number%');
var isPrimitive = require('../helpers/isPrimitive');
var ToPrimitive = require('./ToPrimitive');
var StringToNumber = require('./StringToNumber');
// https://262.ecma-international.org/13.0/#sec-tonumber
module.exports = function ToNumber(argument) {
var value = isPrimitive(argument) ? argument : ToPrimitive(argument, $Number);
if (typeof value === 'symbol') {
throw new $TypeError('Cannot convert a Symbol value to a number');
}
if (typeof value === 'bigint') {
throw new $TypeError('Conversion from \'BigInt\' to \'number\' is not allowed.');
}
if (typeof value === 'string') {
return StringToNumber(value);
}
return $Number(value);
};