chore: monorepo setup (#7175)

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

@@ -0,0 +1,41 @@
+import { APIVersion } from 'discord-api-types/v9';
+import type { RESTOptions } from '../REST';
+// eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/no-require-imports
+const Package = require('../../../package.json');
+
+// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+export const DefaultUserAgent = `DiscordBot (${Package.homepage}, ${Package.version})`;
+
+export const DefaultRestOptions: Required<RESTOptions> = {
+	agent: {},
+	api: 'https://discord.com/api',
+	cdn: 'https://cdn.discordapp.com',
+	headers: {},
+	invalidRequestWarningInterval: 0,
+	globalRequestsPerSecond: 50,
+	offset: 50,
+	rejectOnRateLimit: null,
+	retries: 3,
+	timeout: 15_000,
+	userAgentAppendix: `Node.js ${process.version}`,
+	version: APIVersion,
+};
+
+/**
+ * The events that the REST manager emits
+ */
+export const enum RESTEvents {
+	Debug = 'restDebug',
+	InvalidRequestWarning = 'invalidRequestWarning',
+	RateLimited = 'rateLimited',
+	Request = 'request',
+	Response = 'response',
+}
+
+export const ALLOWED_EXTENSIONS = ['webp', 'png', 'jpg', 'jpeg', 'gif'] as const;
+export const ALLOWED_STICKER_EXTENSIONS = ['png', 'json'] as const;
+export const ALLOWED_SIZES = [16, 32, 64, 128, 256, 512, 1024, 2048, 4096] as const;
+
+export type ImageExtension = typeof ALLOWED_EXTENSIONS[number];
+export type StickerExtension = typeof ALLOWED_STICKER_EXTENSIONS[number];
+export type ImageSize = typeof ALLOWED_SIZES[number];

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;
+}