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- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var $TypeError = require('es-errors/type');
- 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);
- };
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