27 lines
804 B
Plaintext
27 lines
804 B
Plaintext
|
'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);
|
||
|
|
};
|