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node_modules/es-abstract/2020/Number/equal.js

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+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+var isNaN = require('../../helpers/isNaN');
+
+// https://262.ecma-international.org/11.0/#sec-numeric-types-number-equal
+
+module.exports = function NumberEqual(x, y) {
+	if (typeof x !== 'number' || typeof y !== 'number') {
+		throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
+	}
+	if (isNaN(x) || isNaN(y)) {
+		return false;
+	}
+	// shortcut for the actual spec mechanics
+	return x === y;
+};