main
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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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Property mode
set to
100644
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File size:
802 bytes
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| [d565449] | 1 | 'use strict';
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| 2 |
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| 3 | var GetIntrinsic = require('get-intrinsic');
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| 4 |
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| 5 | var $TypeError = require('es-errors/type');
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| 6 | var $Number = GetIntrinsic('%Number%');
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| 7 | var isPrimitive = require('../helpers/isPrimitive');
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| 8 |
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| 9 | var ToPrimitive = require('./ToPrimitive');
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| 10 | var StringToNumber = require('./StringToNumber');
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| 11 |
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| 12 | // https://262.ecma-international.org/13.0/#sec-tonumber
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| 13 |
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| 14 | module.exports = function ToNumber(argument) {
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| 15 | var value = isPrimitive(argument) ? argument : ToPrimitive(argument, $Number);
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| 16 | if (typeof value === 'symbol') {
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| 17 | throw new $TypeError('Cannot convert a Symbol value to a number');
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| 18 | }
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| 19 | if (typeof value === 'bigint') {
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| 20 | throw new $TypeError('Conversion from \'BigInt\' to \'number\' is not allowed.');
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| 21 | }
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| 22 | if (typeof value === 'string') {
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| 23 | return StringToNumber(value);
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| 24 | }
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| 25 | return $Number(value);
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| 26 | };
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