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							- 'use strict';
 
- var GetIntrinsic = require('get-intrinsic');
 
- var $TypeError = require('es-errors/type');
 
- var $Number = GetIntrinsic('%Number%');
 
- var $RegExp = GetIntrinsic('%RegExp%');
 
- var $parseInteger = GetIntrinsic('%parseInt%');
 
- var callBound = require('call-bound');
 
- var regexTester = require('safe-regex-test');
 
- var isPrimitive = require('../helpers/isPrimitive');
 
- var $strSlice = callBound('String.prototype.slice');
 
- var isBinary = regexTester(/^0b[01]+$/i);
 
- var isOctal = regexTester(/^0o[0-7]+$/i);
 
- var isInvalidHexLiteral = regexTester(/^[-+]0x[0-9a-f]+$/i);
 
- var nonWS = ['\u0085', '\u200b', '\ufffe'].join('');
 
- var nonWSregex = new $RegExp('[' + nonWS + ']', 'g');
 
- var hasNonWS = regexTester(nonWSregex);
 
- var $trim = require('string.prototype.trim');
 
- var ToPrimitive = require('./ToPrimitive');
 
- // https://262.ecma-international.org/6.0/#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') {
 
- 		if (isBinary(value)) {
 
- 			return ToNumber($parseInteger($strSlice(value, 2), 2));
 
- 		} else if (isOctal(value)) {
 
- 			return ToNumber($parseInteger($strSlice(value, 2), 8));
 
- 		} else if (hasNonWS(value) || isInvalidHexLiteral(value)) {
 
- 			return NaN;
 
- 		}
 
- 		var trimmed = $trim(value);
 
- 		if (trimmed !== value) {
 
- 			return ToNumber(trimmed);
 
- 		}
 
- 	}
 
- 	return +value;
 
- };
 
 
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