Added metadata frontend function

Added Metadata interface

functions/metadata.ts

@@ -1,20 +1,18 @@
 import { StatusCodes } from 'http-status-codes';
+import { version } from '../package.json';
 import { setDB } from '../src/backend/api';
 import type { RequestContext } from '../src/backend/context';
 import { error, response } from '../src/backend/utils';
-import { version } from '../package.json';
+import type { Metadata } from '../src/generic';
 
 export async function onRequest({ env }: RequestContext) {
 	try {
 		setDB(env.DB);
-		return response(
-			StatusCodes.OK,
-			{
-				version,
-				debug: !!env.DEBUG,
-			},
-			false
-		);
+		const metadata: Metadata = {
+			version,
+			debug: !!env.DEBUG,
+		};
+		return response(StatusCodes.OK, metadata, false);
 	} catch (e) {
 		console.error(e);
 		return error(StatusCodes.INTERNAL_SERVER_ERROR, env.DEBUG && e?.message);

src/frontend/account.ts → src/frontend/endpoints/account.ts

@@ -1,7 +1,10 @@
-import type { Account, AccountResult, FullAccount, UniqueAccountKey } from '../accounts.js';
-import { accountAttributes, checkAccountAttribute } from '../accounts.js';
-import { Access } from '../generic.js';
-import { request } from './request.js';
+/**
+ * Account-related endpoints
+ */
+import type { Account, AccountResult, FullAccount, UniqueAccountKey } from '../../accounts.js';
+import { accountAttributes, checkAccountAttribute } from '../../accounts.js';
+import { Access } from '../../generic.js';
+import { request } from '../request.js';
 
 /**
  * Parses the account result of a response

src/frontend/endpoints/index.ts

@@ -0,0 +1,10 @@
+import { request, type Metadata } from '../index.js';
+
+export * from './account.js';
+
+/**
+ * Get metadata about the API
+ */
+export function metadata(): Promise<Metadata> {
+	return request('GET', '/metadata');
+}

src/frontend/index.ts

@@ -1,5 +1,5 @@
 export * from '../accounts.js';
 export * from '../generic.js';
-export * from './account.js';
+export * from './endpoints';
 export { auth } from './auth.js';
 export * from './request.js';

src/generic.ts

@@ -38,3 +38,15 @@ export interface Response<Result> {
 	 */
 	result: Result;
 }
+
+export interface Metadata {
+	/**
+	 * Current API version
+	 */
+	version: string;
+
+	/**
+	 * Whether the API has debug features enabled
+	 */
+	debug: boolean;
+}