chore: add new playground

examples/h3/index.ts

@@ -0,0 +1,28 @@
+import { createApp, createRouter } from "h3";
+import { defineWebSocketHooks } from "crossws";
+
+export const app = createApp();
+
+// Listhen automatically sets up integration!
+// Learn more: https://crossws.unjs.io
+
+export const websocket = defineWebSocketHooks({
+  open(peer) {
+    console.log("[ws] open", peer);
+  },
+
+  message(peer, message) {
+    console.log("[ws] message", peer, message);
+    if (message.text().includes("ping")) {
+      peer.send("pong");
+    }
+  },
+
+  close(peer, event) {
+    console.log("[ws] close", peer, event);
+  },
+
+  error(peer, error) {
+    console.log("[ws] error", peer, error);
+  },
+});