feat: 更新WebSocket 优化逻辑

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

packages/websocket/src/engine.io-parser/commons.ts

@@ -0,0 +1,21 @@
+const PACKET_TYPES = Object.create(null) // no Map = no polyfill
+PACKET_TYPES["open"] = "0"
+PACKET_TYPES["close"] = "1"
+PACKET_TYPES["ping"] = "2"
+PACKET_TYPES["pong"] = "3"
+PACKET_TYPES["message"] = "4"
+PACKET_TYPES["upgrade"] = "5"
+PACKET_TYPES["noop"] = "6"
+
+const PACKET_TYPES_REVERSE = Object.create(null)
+Object.keys(PACKET_TYPES).forEach(key => {
+    PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key
+})
+
+const ERROR_PACKET = { type: "error", data: "parser error" }
+
+export = {
+    PACKET_TYPES,
+    PACKET_TYPES_REVERSE,
+    ERROR_PACKET
+}