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26 lines
809 B
26 lines
809 B
'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $TypeError = GetIntrinsic('%TypeError%'); |
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var $Number = GetIntrinsic('%Number%'); |
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var isPrimitive = require('../helpers/isPrimitive'); |
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var ToPrimitive = require('./ToPrimitive'); |
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var StringToNumber = require('./StringToNumber'); |
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// https://ecma-international.org/ecma-262/13.0/#sec-tonumber |
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module.exports = function ToNumber(argument) { |
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var value = isPrimitive(argument) ? argument : ToPrimitive(argument, $Number); |
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if (typeof value === 'symbol') { |
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throw new $TypeError('Cannot convert a Symbol value to a number'); |
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} |
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if (typeof value === 'bigint') { |
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throw new $TypeError('Conversion from \'BigInt\' to \'number\' is not allowed.'); |
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} |
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if (typeof value === 'string') { |
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return StringToNumber(value); |
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} |
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return $Number(value); |
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};
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