| '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 +value; |
| }; |