some more commits

src/v1/builtInRequests.js

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+import { internalServerError } from '../stdErrorResponses.js';
+import { version } from '../../package.json';
+
+export const builtinRequests = ["ping", "version", "help"];
+
+export function isBuiltinRequest(request) {
+  return builtinRequests.includes(request);
+}
+
+export function returnVersion() {
+  return new Response(JSON.stringify([version]), {
+    headers: {
+      "Content-Type": "application/json"
+    }
+  });
+}
+
+export function handleBuiltinRequest(request) {
+  switch (request) {
+    case "ping":
+      return new Response("pong");
+    case "version":
+      return returnVersion();
+    case "help":
+      return new Response("Please refer to the wiki at https://wiki.jonasjones.dev/Api/");
+    default:
+      return internalServerError();
+  }
+}

src/v1/lastfm/Requests.js

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+const lastfmRequests = ['gettrackinfo', 'getrecent']
+
+export function isLastfmRequest(pathname) {
+    return pathname.startsWith("lastfm/")
+}
+
+export function handleLastfmRequest(pathname) {
+    requestUrl = new URL(pathname, "https://api.jonasjones.dev/v1/" + pathname)
+    requestType = pathname.replace("lastfm/", "").split("?")[0];
+    switch (requestType) {
+        case "gettrackinfo":
+            return getTrackInfoRequestHandler(requestUrl);
+        case "getrecent":
+            return getRecentRequestHandler(requestUrl);
+        default:
+            return notFoundError();
+    }
+}
+
+function getRecentRequestHandler(requestUrl) {
+    const urlParams = new URLSearchParams(requestUrl.search);
+    const offset = urlParams.get("offset");
+    const limit = urlParams.get("limit");
+    return new Response(JSON.stringify([offset, limit]), {
+        headers: {
+            "Content-Type": "application/json"
+        }
+    });
+}
+
+function getTrackInfoRequestHandler(requestUrl) {
+    const urlParams = new URLSearchParams(requestUrl.search);
+    const track = urlParams.get("track");
+    const artist = urlParams.get("artist");
+    return new Response(JSON.stringify([track, artist]), {
+        headers: {
+            "Content-Type": "application/json"
+        }
+    });
+}

src/v1/v1RequestHandler.js

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+import { isBuiltinRequest, handleBuiltinRequest } from './builtInRequests.js';
+import { methodNotAllowedError, notFoundError } from '../stdErrorResponses.js';
+import { handleLastfmRequest, isLastfmRequest } from './lastfm/Requests.js';
+
+export async function handleV1Requests(pathname, request) {
+  if (request.method !== "GET") {
+    return methodNotAllowedError();
+  } else {
+    const requestPath = pathname.replace("/v1/", "");
+    if (isBuiltinRequest(requestPath)) {
+      return handleBuiltinRequest(requestPath);
+    } else if (isLastfmRequest(requestPath)) {
+      return handleLastfmRequest(requestPath);
+    } else {
+      return notFoundError();
+    }
+  }
+}