WebAcceptor.upgrade() for 3rd party libraries.

Author: samchon

package.json

@@ -1,6 +1,6 @@
 {
   "name": "tgrid",
-  "version": "0.10.2",
+  "version": "0.10.3",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",
   "exports": {
@@ -29,6 +29,9 @@
     "test:node": "node bin/test/node"
   },
   "dependencies": {
+    "@types/node": "^20.11.30",
+    "@types/websocket": "^1.0.10",
+    "@types/ws": "^7.4.7",
     "import2": "^1.0.3",
     "tstl": "3.0.0",
     "ws": "^7.5.3"
@@ -38,9 +41,7 @@
     "@rollup/plugin-typescript": "^11.1.6",
     "@trivago/prettier-plugin-sort-imports": "^4.3.0",
     "@types/browserify": "^12.0.40",
-    "@types/node": "^20.11.26",
     "@types/puppeteer": "^7.0.4",
-    "@types/ws": "^7.4.7",
     "@typescript-eslint/eslint-plugin": "^5.33.0",
     "@typescript-eslint/parser": "^5.33.0",
     "browserify": "^17.0.0",

src/protocols/web/WebAcceptor.ts

@@ -4,6 +4,7 @@ import type WebSocket from "ws";
 
 import { Invoke } from "../../components/Invoke";
 import { AcceptorBase } from "../internal/AcceptorBase";
+import { IHeaderWrapper } from "../internal/IHeaderWrapper";
 import { WebError } from "./WebError";
 import { IWebCommunicator } from "./internal/IWebCommunicator";
 
@@ -52,15 +53,27 @@ export class WebAcceptor<Header, Provider extends object | null>
   /* ----------------------------------------------------------------
     CONSTRUCTORS
   ---------------------------------------------------------------- */
-  /**
-   * @internal
-   */
-  public static create<Header, Provider extends object | null>(
+  public static upgrade<Header, Provider extends object | null>(
     request: http.IncomingMessage,
     socket: WebSocket,
-    header: Header,
-  ): WebAcceptor<Header, Provider> {
-    return new WebAcceptor(request, socket, header);
+    handler?: (acceptor: WebAcceptor<Header, Provider>) => Promise<any>,
+  ): void {
+    socket.once("message", async (data: WebSocket.Data) => {
+      // @todo: custom code is required
+      if (typeof data !== "string") socket.close();
+      else
+        try {
+          const wrapper: IHeaderWrapper<Header> = JSON.parse(data as string);
+          const acceptor: WebAcceptor<Header, Provider> = new WebAcceptor(
+            request,
+            socket,
+            wrapper.header,
+          );
+          if (handler !== undefined) await handler(acceptor);
+        } catch (exp) {
+          socket.close();
+        }
+    });
   }
 
   /**

src/protocols/web/WebServer.ts

@@ -5,7 +5,6 @@ import { DomainError, RuntimeError, is_node } from "tstl";
 import type WebSocket from "ws";
 
 import { NodeModule } from "../../utils/internal/NodeModule";
-import { IHeaderWrapper } from "../internal/IHeaderWrapper";
 import { IServer } from "../internal/IServer";
 import { WebAcceptor } from "./WebAcceptor";
 
@@ -150,28 +149,8 @@ export class WebServer<Header, Provider extends object | null>
         netSocket: net.Socket,
         header: Buffer,
       ) => {
-        this.protocol_!.handleUpgrade(
-          request,
-          netSocket,
-          header,
-          (webSocket) => {
-            webSocket.once("message", async (data: WebSocket.Data) => {
-              // @todo: custom code is required
-              if (typeof data !== "string") webSocket.close();
-
-              try {
-                const wrapper: IHeaderWrapper<Header> = JSON.parse(
-                  data as string,
-                );
-                const acceptor: WebAcceptor<Header, Provider> =
-                  WebAcceptor.create(request, webSocket, wrapper.header);
-
-                await handler(acceptor);
-              } catch (exp) {
-                webSocket.close();
-              }
-            });
-          },
+        this.protocol_!.handleUpgrade(request, netSocket, header, (socket) =>
+          WebAcceptor.upgrade(request, socket, handler),
         );
       },
     );