Refactoring: Split shared types into seperate modules and document alot.

server/shared/utils/node.ts

@@ -0,0 +1,14 @@
+/**
+ * Utility functions for node related data.
+ */
+import { MAC, MapId } from "../types";
+
+/**
+ * Converts the MAC address of a Freifunk node to an id representing it on the community's node map.
+ *
+ * @param mac - MAC address of the node
+ * @returns ID of the node on the map
+ */
+export function mapIdFromMAC(mac: MAC): MapId {
+    return mac.toLowerCase().replace(/:/g, "") as MapId;
+}