gateway 코드 이식 중

@sammo/server_util/package.json

@@ -12,7 +12,8 @@
   "license": "MIT",
   "dependencies": {
     "@sammo/api_def": "workspace:^",
-    "@sammo/util": "workspace:^"
+    "@sammo/util": "workspace:^",
+    "@strpc/express": "workspace:^"
   },
   "devDependencies": {
     "lodash-es": "^4.17.21"

@sammo/server_util/src/StartSession.ts

@@ -0,0 +1,58 @@
+import type { Empty, ProcDecoratorGenerator } from "@strpc/express/proc_decorator";
+import { type Session, type SessionData } from "express-session";
+
+export type SessionCtx = {
+    session: {
+        clear: () => Promise<void>;
+        removeItem: (key: string) => boolean;
+        getItem: <T>(key: string) => T | undefined;
+        setItem: (key: string, value: unknown) => void;
+        raw: Session & Partial<SessionData> & Record<string, unknown>;
+    }
+}
+
+export function StartSession<Q extends object = Empty>(): ProcDecoratorGenerator<SessionCtx, Q> {
+    return (inCtx, req) => {
+        if (!req.session) {
+            throw 'Express-session required';
+        }
+        const sessionObj = {
+            raw: req.session
+        } as SessionCtx['session'];
+        sessionObj.clear = () => {
+            return new Promise((resolve) => {
+                sessionObj.raw = req.session.regenerate(resolve) as SessionCtx['session']['raw'];
+            })
+        }
+        sessionObj.removeItem = (key: string): boolean => {
+            if (key in sessionObj.raw) {
+                delete sessionObj.raw[key];
+                return true;
+            }
+            return false;
+        }
+        sessionObj.getItem = <T>(key: string): T | undefined => {
+            if (!(key in sessionObj.raw)) {
+                return undefined;
+            }
+            return sessionObj.raw[key] as T;
+        }
+        sessionObj.setItem = <T>(key: string, value: T | undefined): void => {
+            if (value === undefined) {
+                sessionObj.removeItem(key);
+                return;
+            }
+            sessionObj.raw[key] = value;
+        }
+
+        return [
+            {
+                result: true,
+            },
+            {
+                session: sessionObj,
+                ...inCtx,
+            }
+        ]
+    }
+}

@sammo/server_util/src/index.ts

@@ -1 +1,2 @@
-export { UniqueNumberAllocator, type StateIncrementer } from './UniqueNumberAllocator.js';
+export { UniqueNumberAllocator, type StateIncrementer } from './UniqueNumberAllocator.js';
+export * from './StartSession.js';

@sammo/server_util/tsconfig.json

@@ -23,6 +23,9 @@
     "composite": true
   },
   "references": [
+    {
+      "path": "../../@strpc/express"
+    },
     {
       "path": "../util"
     },