From 2179417664e9a9313769ad60ec65279d2f0316f1 Mon Sep 17 00:00:00 2001
From: FZambia <frvzmb@gmail.com>
Date: Mon, 2 Sep 2024 12:20:57 +0300
Subject: [PATCH] use separate field for real channel

---
 src/centrifuge.ts |  5 +++--
 src/types.ts      | 12 +++++++++++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/centrifuge.ts b/src/centrifuge.ts
index 048e8063..3789acb7 100644
--- a/src/centrifuge.ts
+++ b/src/centrifuge.ts
@@ -1699,10 +1699,11 @@ export class Centrifuge extends (EventEmitter as new () => TypedEventEmitter<Cli
   private _getPublicationContext(channel: string, pub: any) {
     const ctx: any = {
       channel: channel,
-      data: pub.data
+      data: pub.data,
+      publicationChannel: channel
     };
     if (pub.channel) {
-      ctx.channel = pub.channel;
+      ctx.publicationChannel = pub.channel;
     }
     if (pub.offset) {
       ctx.offset = pub.offset;
diff --git a/src/types.ts b/src/types.ts
index 77220f4f..542cdbad 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -190,6 +190,11 @@ export interface PublicationContext {
   offset?: number;
   // tags is an extra key-value attached to publication, tags may be set when calling server publish API. 
   tags?: Record<string, string>;
+  // publicationChannel may be used to find out the real channel of publication, in most cases it
+  // matches channel field, but when wildcard subscriptions are used it may be different and contain
+  // a channel to which publication was published, thus differ from channel field (which is always a
+  // channel to which client subscribed to).
+  publicationChannel: string;
 }
 
 export interface ClientInfo {
@@ -260,7 +265,7 @@ export interface UnsubscribedContext {
 }
 
 export interface ServerPublicationContext {
-  // channel from which publication was received.
+  // subscription channel from which publication was received.
   channel: string;
   // data contains publication payload.
   data: any;
@@ -273,6 +278,11 @@ export interface ServerPublicationContext {
   offset?: number;
   // tags is an extra key-value attached to publication, tags may be set when calling server publish API. 
   tags?: Record<string, string>;
+  // publicationChannel may be used to find out the real channel of publication, in most cases it
+  // matches channel field, but when wildcard subscriptions are used it may be different and contain
+  // a channel to which publication was published, thus differ from channel field (which is always a
+  // channel to which client subscribed to).
+  publicationChannel: string;
 }
 
 export interface ServerJoinContext {