refactor(rest): separate functions into diff files (#685)

* shtufffff

* fixe rate limit path infinite loop

* refactor

* ID > id

* Update process_request_headers.ts

* file names

Co-authored-by: ITOH <72305210+itohatweb@users.noreply.github.com>
Co-authored-by: ayntee <ayyantee@gmail.com>

src/rest/rest.ts

@@ -0,0 +1,47 @@
+import { checkRateLimits } from "./check_rate_limits.ts";
+import { cleanupQueues } from "./cleanup_queues.ts";
+import { createRequestBody } from "./create_request_body.ts";
+import { handlePayload } from "./handle_payload.ts";
+import { processQueue } from "./process_queue.ts";
+import { processRateLimitedPaths } from "./process_rate_limited_paths.ts";
+import { processRequest } from "./process_request.ts";
+import { processRequestHeaders } from "./process_request_headers.ts";
+import { RequestManager } from "./request_manager.ts";
+import { runMethod } from "./run_method.ts";
+
+export const rest: RestCache = {
+  /** The secret authorization key to confirm that this was a request made by you and not a DDOS attack. */
+  authorization: "discordeno_best_lib_ever",
+  pathQueues: new Map(),
+  processingQueue: false,
+  processingRateLimitedPaths: false,
+  globallyRateLimited: false,
+  ratelimitedPaths: new Map(),
+  eventHandlers: {
+    // BY DEFAULT WE WILL LOG ALL ERRORS TO CONSOLE. USER CAN CHOOSE TO OVERRIDE
+    error: function (_type, error) {
+      console.error(error);
+    },
+    // PLACEHOLDERS TO ALLOW USERS TO CUSTOMIZE
+    fetching() {},
+    fetched() {},
+    fetchSuccess() {},
+    fetchFailed() {},
+    globallyRateLimited() {},
+    retriesMaxed() {},
+  },
+
+  // TODO: add propeer docs dcomments
+  manager: RequestManager,
+
+  /** Handler function for every request. Converts to json, verified authorization & requirements and begins processing the request */
+  handlePayload,
+  checkRateLimits,
+  cleanupQueues,
+  processQueue,
+  processRateLimitedPaths,
+  processRequestHeaders,
+  processRequest,
+  createRequestBody,
+  runMethod,
+};