chore(lib): add benchmark for LazyWebSocket

lib/deno.json

@@ -8,6 +8,9 @@
     "./websockets": "./websockets.ts"
   },
   "publish": {
-    "exclude": ["*_test.ts"]
+    "exclude": [
+      "*_bench.ts",
+      "*_test.ts"
+    ]
   }
 }

lib/websockets_bench.ts

@@ -0,0 +1,20 @@
+import { MockWebSocket } from "@lophus/lib/testing";
+import { LazyWebSocket } from "./websockets.ts";
+
+Deno.bench("new", () => {
+  new LazyWebSocket("wss://localhost:8080");
+});
+
+Deno.bench("addEventListner", () => {
+  const lazy = new LazyWebSocket("wss://localhost:8080");
+  lazy.addEventListener("open", () => {});
+});
+
+Deno.bench("ready", async (b) => {
+  globalThis.WebSocket = MockWebSocket;
+  const lazy = new LazyWebSocket("wss://localhost:8080");
+  lazy.addEventListener("open", () => {});
+  b.start();
+  await lazy.ready();
+  b.end();
+});