Active player list

routes/api/players.ts

@@ -0,0 +1,44 @@
+import { Handlers } from "$fresh/server.ts";
+import { SERVER_STATE } from "../../state/serverState.ts";
+import { getActivePlayers } from "../../util/players.ts";
+
+export const handler: Handlers = {
+  GET(_req, _ctx) {
+    let listener: (e: CustomEvent) => void;
+    const body = new ReadableStream({
+      async start(controller){
+        console.log('did the thing')
+        if (SERVER_STATE.status !== 'running') return;
+        const players = await getActivePlayers();
+
+        const event = `event:players\ndata:${JSON.stringify(players)}\n\n`
+        
+        controller.enqueue(event);
+        console.log('sent the thing')
+
+        listener = async (e: CustomEvent<string>) => {
+          console.log('message received')
+          if (e.detail.includes('joined the game') || e.detail.includes('lost connection')) {
+            console.log('connection change')
+            const players = await getActivePlayers();
+            const event = `event: players\ndata: ${JSON.stringify(players)}\n\n`
+
+            controller.enqueue(event);
+          }
+        }
+
+        globalThis.addEventListener('stdoutmsg' as any, listener);
+        console.log('listened the thing')
+      },
+      cancel() {
+        console.log('cancelled')
+        globalThis.removeEventListener('stdoutmsg' as any, listener);
+      }
+    })
+
+    return new Response(body.pipeThrough(new TextEncoderStream()), { headers: {
+      "Content-Type": "text/event-stream",
+      "cache-control": "no-cache"
+    }}); 
+  }
+}