1 files changed, 38 insertions, 0 deletions
diff --git a/shim/ws-shim/src/lib.ts b/shim/ws-shim/src/lib.ts
new file mode 100644
index 0000000..ec61a90
--- /dev/null
+++ b/shim/ws-shim/src/lib.ts
@@ -0,0 +1,38 @@
+import type { RelayMessage, ShimRequest, ShimResponse } from "./types";
+
+export function parseRelayMsg(message: RelayMessage): ShimResponse["msg"] {
+  switch (message[0]) {
+    case "EVENT": {
+      const [, subscription_id, event] = message;
+      return { event: { subscription_id, event } };
+    }
+
+    case "OK": {
+      const [, event_id, accepted, msg] = message;
+      return { ok: { event_id, accepted, message: msg } };
+    }
+
+    case "EOSE": {
+      const [, subscriptionId] = message;
+      return { eose: subscriptionId };
+    }
+
+    case "CLOSED": {
+      const [, subscription_id, msg] = message;
+      return { closed: { subscription_id, message: msg } };
+    }
+
+    case "NOTICE": {
+      const [, messag] = message;
+      return { notice: messag };
+    }
+
+    case "AUTH": {
+      const [, challenge] = message;
+      return { auth: challenge };
+    }
+  }
+}
+export function wait(ms: number) {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}