refactor: cover fastify deprecated syntax

packages/http-framework/src/index.ts

@@ -23,3 +23,4 @@ export * from './lib/structures/Command';
 export * from './lib/structures/CommandStore';
 export * from './lib/structures/InteractionHandler';
 export * from './lib/structures/InteractionHandlerStore';
+export type { FastifyObjectOptions } from './lib/utils/FastifyObjectOptions';

packages/http-framework/src/lib/Client.ts

@@ -8,6 +8,7 @@ import tweetnacl from 'tweetnacl';
 import { HttpCodes } from './api/HttpCodes';
 import type { IIdParser } from './components/IIdParser';
 import { StringIdParser } from './components/StringIdParser';
+import type { FastifyObjectOptions } from './utils/FastifyObjectOptions';
 import { CommandStore } from './structures/CommandStore';
 import { InteractionHandlerStore } from './structures/InteractionHandlerStore';
 
@@ -50,11 +51,11 @@ export class Client extends EventEmitter {
 	 * Starts the HTTP server, listening for HTTP interactions.
 	 * @param options The listen options.
 	 */
-	public async listen(options: ListenOptions) {
-		this.server = Fastify(options.serverOptions);
-		this.server.post(options.postPath ?? process.env.HTTP_POST_PATH ?? '/', this.handleHttpMessage.bind(this));
+	public async listen({ serverOptions, postPath, port, address, ...listenOptions }: ListenOptions) {
+		this.server = Fastify(serverOptions);
+		this.server.post(postPath ?? process.env.HTTP_POST_PATH ?? '/', this.handleHttpMessage.bind(this));
 
-		await this.server.listen(options.port, options.address);
+		await this.server.listen({ ...listenOptions, port, host: address });
 	}
 
 	protected async handleHttpMessage(request: FastifyRequest, reply: FastifyReply): Promise<FastifyReply> {
@@ -140,11 +141,11 @@ export interface LoadOptions {
 	baseUserDirectory?: string | null;
 }
 
-export interface ListenOptions {
+export interface ListenOptions extends FastifyObjectOptions {
 	/**
 	 * The port at which the server will listen for requests.
 	 */
-	port: number | string;
+	port: number;
 
 	/**
 	 * The address at which the server will be started.

packages/http-framework/src/lib/utils/FastifyObjectOptions.ts

@@ -0,0 +1,46 @@
+import type { FastifyInstance } from 'fastify';
+
+export type FastifyObjectOptions = Omit<Exclude<OverloadedParameters<FastifyInstance['listen']>[0], FastifyUnnecessaryUnionTypes>, 'host'>;
+
+/**
+ * The union types extracted by {@link Overloads}
+ * that we do not want to include in {@link FastifyObjectOptions}
+ */
+type FastifyUnnecessaryUnionTypes = string | number | ((...args: any[]) => any) | undefined;
+
+/**
+ * Extracts the overloads from methods and transforms them into a union
+ * source: {@link https://github.com/microsoft/TypeScript/issues/32164#issuecomment-811608386}
+ */
+type Overloads<T extends (...args: any[]) => any> = T extends {
+	(...args: infer A1): infer R1;
+	(...args: infer A2): infer R2;
+	(...args: infer A3): infer R3;
+	(...args: infer A4): infer R4;
+	(...args: infer A5): infer R5;
+	(...args: infer A6): infer R6;
+}
+	? ((...args: A1) => R1) | ((...args: A2) => R2) | ((...args: A3) => R3) | ((...args: A4) => R4) | ((...args: A5) => R5) | ((...args: A6) => R6)
+	: T extends {
+			(...args: infer A1): infer R1;
+			(...args: infer A2): infer R2;
+			(...args: infer A3): infer R3;
+			(...args: infer A4): infer R4;
+			(...args: infer A5): infer R5;
+	  }
+	? ((...args: A1) => R1) | ((...args: A2) => R2) | ((...args: A3) => R3) | ((...args: A4) => R4) | ((...args: A5) => R5)
+	: T extends { (...args: infer A1): infer R1; (...args: infer A2): infer R2; (...args: infer A3): infer R3; (...args: infer A4): infer R4 }
+	? ((...args: A1) => R1) | ((...args: A2) => R2) | ((...args: A3) => R3) | ((...args: A4) => R4)
+	: T extends { (...args: infer A1): infer R1; (...args: infer A2): infer R2; (...args: infer A3): infer R3 }
+	? ((...args: A1) => R1) | ((...args: A2) => R2) | ((...args: A3) => R3)
+	: T extends { (...args: infer A1): infer R1; (...args: infer A2): infer R2 }
+	? ((...args: A1) => R1) | ((...args: A2) => R2)
+	: T extends { (...args: infer A1): infer R1 }
+	? (...args: A1) => R1
+	: never;
+
+/**
+ * Extracts the overloaded parameters from methods
+ * source: {@link https://github.com/microsoft/TypeScript/issues/32164#issuecomment-811608386}
+ */
+type OverloadedParameters<T extends (...args: any[]) => any> = Parameters<Overloads<T>>;