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2026-09-23 17:31:02 +05:30
commit 69b4e68baf
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+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var $TypeError = require('es-errors/type');
+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 +value;
+};