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frontend/node_modules/es-abstract/5/StrictEqualityComparison.js

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+'use strict';
+
+var Type = require('./Type');
+
+// https://262.ecma-international.org/5.1/#sec-11.9.6
+
+module.exports = function StrictEqualityComparison(x, y) {
+	if (Type(x) !== Type(y)) {
+		return false;
+	}
+	if (typeof x === 'undefined' || x === null) {
+		return true;
+	}
+	return x === y; // shortcut for steps 4-7
+};