feat: initial boilerplate

api/libraries/socket/upgrade.ts

@@ -0,0 +1,60 @@
+import { toJsonRpc } from "@valkyr/json-rpc";
+
+import { Session } from "~libraries/auth/mod.ts";
+import { logger } from "~libraries/logger/mod.ts";
+
+import { sockets } from "./sockets.ts";
+
+export function upgrade(request: Request, session?: Session) {
+  const { socket, response } = Deno.upgradeWebSocket(request);
+
+  socket.addEventListener("open", () => {
+    logger.prefix("Socket").info("socket connected", { session });
+    sockets.add(socket);
+  });
+
+  socket.addEventListener("close", () => {
+    logger.prefix("Socket").info("socket disconnected", { session });
+    sockets.del(socket);
+  });
+
+  socket.addEventListener("message", (event) => {
+    if (event.data === "ping") {
+      return;
+    }
+
+    const body = toJsonRpc(event.data);
+
+    logger.prefix("Socket").info(body);
+
+    asyncLocalStorage.run(
+      {
+        session,
+        info: {
+          method: body.method!,
+          start: Date.now(),
+        },
+        socket,
+        response: {
+          headers: new Headers(),
+        },
+      },
+      async () => {
+        api
+          .handleCommand(body)
+          .then((response) => {
+            if (response !== undefined) {
+              logger.info({ response });
+              socket.send(JSON.stringify(response));
+            }
+          })
+          .catch((error) => {
+            logger.info({ error });
+            socket.send(JSON.stringify(error));
+          });
+      },
+    );
+  });
+
+  return response;
+}