Merge pull request #36767 from overleaf/oa-express-types

[web] Express req/res/next types

GitOrigin-RevId: 30b4822e2ee55976331d049f8109f7098914973c

services/web/types/backend/express/request.d.ts

@@ -1,6 +1,7 @@
 import 'express'
 import OAuth2Server from '@node-oauth/oauth2-server'
 import type SessionData from 'express-session'
+import type { Capability } from '../../capabilities'
 
 // Request-scoped logger attached by @overleaf/metrics http.monitor() middleware.
 // See libraries/metrics/http.js RequestLogger class.
@@ -20,11 +21,17 @@ declare module 'express' {
     oauth_user?: OAuth2Server.User
     logger: RequestLogger
     i18n: {
+      language: string
       translate(
         key: string,
         vars?: Record<string, any>,
         components?: any
       ): string
     }
+    // Set by PermissionMiddleware
+    managedBy?: any
+    isManagedGroupAdmin?: boolean
+    capabilitySet?: Set<Capability>
+    assertPermission(capability: string): void
   }
 }

services/web/types/backend/express/response.d.ts

@@ -0,0 +1,13 @@
+import 'express'
+
+declare module 'express' {
+  // eslint-disable-next-line no-unused-vars
+  interface Response {
+    // Set per-request by the addSetContentDisposition middleware in
+    // app/src/infrastructure/ExpressLocals.mjs (web/private-api/public-api routers only).
+    setContentDisposition(
+      type: 'attachment' | 'inline',
+      opts: { filename: string }
+    ): void
+  }
+}