backend: refactor server/nodeinfo.ts

This fixes a few type errors like removing `software.respository` in
NodeInfo 2.0 and updating `metadata.repositoryUrl` to not use the
now removed meta `repositoryUrl` field.

packages/backend/src/server/nodeinfo.ts

@@ -18,7 +18,33 @@ export const links = [{
 	href: config.url + nodeinfo2_0path,
 }];
 
-const nodeinfo2 = async () => {
+const repository = 'https://akkoma.dev/FoundKeyGang/FoundKey';
+
+type NodeInfo2Base = {
+	software: {
+		name: string;
+		version: string;
+		repository?: string; // Not used in NodeInfo 2.0; used in 2.1
+	};
+	protocols: string[];
+	services: {
+		inbound: string[];
+		outbound: string[];
+	};
+	openRegistrations: boolean;
+	usage: {
+		users: {
+			total: number;
+			activeHalfyear: number;
+			activeMonth: number;
+		};
+		localPosts: number;
+		localComments: number;
+	};
+	metadata: Record<string, any>;
+};
+
+const nodeinfo2 = async (): Promise<NodeInfo2Base> => {
 	const now = Date.now();
 	const [
 		meta,
@@ -40,7 +66,7 @@ const nodeinfo2 = async () => {
 		software: {
 			name: 'foundkey',
 			version: config.version,
-			repository: 'https://akkoma.dev/FoundKeyGang/FoundKey',
+			repository,
 		},
 		protocols: ['activitypub'],
 		services: {
@@ -62,7 +88,7 @@ const nodeinfo2 = async () => {
 			},
 			langs: meta.langs,
 			tosUrl: meta.ToSUrl,
-			repositoryUrl: meta.repositoryUrl,
+			repositoryUrl: repository,
 			feedbackUrl: 'ircs://irc.akkoma.dev/foundkey',
 			disableRegistration: meta.disableRegistration,
 			disableLocalTimeline: meta.disableLocalTimeline,
@@ -82,7 +108,7 @@ const nodeinfo2 = async () => {
 	};
 };
 
-const cache = new Cache<Awaited<ReturnType<typeof nodeinfo2>>>(1000 * 60 * 10);
+const cache = new Cache<NodeInfo2Base>(1000 * 60 * 10);
 
 router.get(nodeinfo2_1path, async ctx => {
 	const base = await cache.fetch(null, () => nodeinfo2());