feat(rest): expose RequestContext to Express request object

This is needed for GraphQL integration as a REST middleware to access the RequestContext for Dependency Injection. Signed-off-by: Raymond Feng <[email protected]>
loopbackio · Sep 3, 2020 · 3024f5d · 3024f5d
1 parent c61e492
commit 3024f5d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/rest/src/http-handler.ts b/packages/rest/src/http-handler.ts
@@ -4,6 +4,7 @@
 // License text available at https://opensource.org/licenses/MIT
 
 import {Context} from '@loopback/core';
+import {MIDDLEWARE_CONTEXT} from '@loopback/express';
 import {
   ComponentsObject,
   ControllerSpec,
@@ -109,6 +110,11 @@ export class HttpHandler {
       this._serverConfig,
     );
 
+    // Set the request context as a property of Express request object so that
+    // downstream Express native integration can access `RequestContext`
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    (request as any)[MIDDLEWARE_CONTEXT] = requestContext;
+
     const sequence = await requestContext.get<SequenceHandler>(
       RestBindings.SEQUENCE,
     );