Add displayCard function to utils

src/utils/displayCard.js

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 CZ.NIC z.s.p.o. (http://www.nic.cz/)
+ *
+ * This is free software, licensed under the GNU General Public License v3.
+ * See /LICENSE for more information.
+ */
+
+export function displayCard({ package_lists: packages }, cardName) {
+    const enabledPackagesNames = [];
+    packages
+        .filter((item) => item.enabled)
+        .map((item) => {
+            enabledPackagesNames.push(item.name);
+            item.options
+                .filter((option) => option.enabled)
+                .map((option) => {
+                    enabledPackagesNames.push(option.name);
+                    return null;
+                });
+            return null;
+        });
+    return enabledPackagesNames.includes(cardName);
+}