Cloudflare durable objects

clients.ts

        // Get all previous clients
        const previousClients = await this.ctx.storage.get<Map<string, WebSocket>>('clients');
        if (previousClients) {
            console.log('Found previous clients');
            this.clients = previousClients;
        }

sendQueuedMessage.ts

import { Env } from '../index';

export async function sendQueuedMessage(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {

    const matchmakerInstanceId = ctx.params.matchmakerId;

    // Use the matchmakerId to find the Durable Object instance
    const id = env.MM_DURABLE_OBJECT.idFromString(matchmakerInstanceId);
    let stub = env.MM_DURABLE_OBJECT.get(id);

    const validInstance = await stub.instanceValid();
    const clientAmount = await stub.clientAmount;

    if (!validInstance || clientAmount === 0) {
        const responseMessage = !validInstance ? { error: 'Uninitialized matchmaking instance' } : { message: 'No clients connected' };
        const status = !validInstance ? 400 : 200;

        return new Response(JSON.stringify(responseMessage), { status, headers: { 'Content-Type': 'application/json' } });
    }

    await stub.sendQueued();

    return new Response(JSON.stringify({ message: 'Message sent' }), { status: 200, headers: { 'Content-Type': 'application/json' } });

}