🤖 Merge PR DefinitelyTyped#72452 fix(koa-generic-session): context extension DefinitelyTyped#72440 by @javiertury

Author: javiertury

types/koa-generic-session/index.d.ts

@@ -43,7 +43,7 @@ declare namespace koaSession {
 }
 
 declare module "koa" {
-    interface Context {
+    interface ExtendableContext {
         sessionId: string;
         session: koaSession.Session | null;
         sessionSave: boolean | null;

types/koa-generic-session/koa-generic-session-tests.ts

@@ -57,7 +57,7 @@ declare module "koa-generic-session" {
     }
 }
 
-app.use((context: Koa.Context) => {
+app.use(context => {
     if (!context.session) {
         return;
     }
@@ -67,8 +67,11 @@ app.use((context: Koa.Context) => {
     }
 
     context.regenerateSession();
+    context.sessionSave; // $ExpectType boolean | null
     context.sessionSave = true;
+    context.session; // $ExpectType Session
     context.session.cookie;
+    context.session.foo; // $ExpectType "bar"
     context.session.foo = "bar";
     context.session = null;
 });