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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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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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