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node_modules/es-abstract/2021/Number/sameValueZero.js

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+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var isNaN = require('../../helpers/isNaN');
+
+var Type = require('../Type');
+
+// https://262.ecma-international.org/11.0/#sec-numeric-types-number-sameValueZero
+
+module.exports = function NumberSameValueZero(x, y) {
+	if (Type(x) !== 'Number' || Type(y) !== 'Number') {
+		throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
+	}
+
+	var xNaN = isNaN(x);
+	var yNaN = isNaN(y);
+	if (xNaN || yNaN) {
+		return xNaN === yNaN;
+	}
+	return x === y;
+};