diff --git a/lib/www/server/lib/utils/index.js b/lib/www/server/lib/utils/index.js
index d365e3b..a040421 100644
--- a/lib/www/server/lib/utils/index.js
+++ b/lib/www/server/lib/utils/index.js
@@ -7,5 +7,6 @@ module.exports = {
 	deepMerge: require('./deepMerge'),
 	removeNulls: require('./removeNulls'),
 	logicalPath: require('./logicalPath'),
-	ranges: require('./ranges')
+	ranges: require('./ranges'),
+	unique: require('./unique')
 };
diff --git a/lib/www/server/lib/utils/unique.js b/lib/www/server/lib/utils/unique.js
new file mode 100644
index 0000000..91e0c4f
--- /dev/null
+++ b/lib/www/server/lib/utils/unique.js
@@ -0,0 +1,6 @@
+
+function unique(array) {
+	return [...new Set(array)];
+}
+
+module.exports = unique;