feat: optimize event slow exec cache

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/websocket/src/engine.io/transport.ts

@@ -2,7 +2,7 @@ import { EventEmitter } from "events"
 import * as parser_v4 from "../engine.io-parser"
 import * as parser_v3 from "./parser-v3"
 // import debugModule from "debug"
-import { IncomingMessage } from "http"
+// import { IncomingMessage } from "http"
 import { Packet } from "../engine.io-parser"
 
 // const debug = debugModule("engine:transport")
@@ -24,7 +24,8 @@ export abstract class Transport extends EventEmitter {
     protected _readyState: string
     protected discarded: boolean
     protected parser: any
-    protected req: IncomingMessage & { cleanup: Function }
+    // protected req: IncomingMessage & { cleanup: Function }
+    protected req: { cleanup: Function }
     protected supportsBinary: boolean
 
     get readyState() {