chore: monorepo setup (#7175)

packages/rest/src/lib/utils/utils.ts

@@ -0,0 +1,37 @@
+import type { RESTPatchAPIChannelJSONBody } from 'discord-api-types/v9';
+import type { Response } from 'node-fetch';
+import { RequestMethod } from '../RequestManager';
+
+/**
+ * Converts the response to usable data
+ * @param res The node-fetch response
+ */
+export function parseResponse(res: Response): Promise<unknown> {
+	if (res.headers.get('Content-Type')?.startsWith('application/json')) {
+		return res.json();
+	}
+
+	return res.buffer();
+}
+
+/**
+ * Check whether a request falls under a sublimit
+ * @param bucketRoute The buckets route identifier
+ * @param body The options provided as JSON data
+ * @param method The HTTP method that will be used to make the request
+ * @returns Whether the request falls under a sublimit
+ */
+export function hasSublimit(bucketRoute: string, body?: unknown, method?: string): boolean {
+	// TODO: Update for new sublimits
+	// Currently known sublimits:
+	// Editing channel `name` or `topic`
+	if (bucketRoute === '/channels/:id') {
+		if (typeof body !== 'object' || body === null) return false;
+		// This should never be a POST body, but just in case
+		if (method !== RequestMethod.Patch) return false;
+		const castedBody = body as RESTPatchAPIChannelJSONBody;
+		return ['name', 'topic'].some((key) => Reflect.has(castedBody, key));
+	}
+
+	return false;
+}