From 1ded6c81add5c9c8788ab57b8ae8540368b1648c Mon Sep 17 00:00:00 2001
From: Davidson Gomes <davidsongviolao@gmail.com>
Date: Thu, 3 Oct 2024 16:46:50 -0300
Subject: [PATCH] chore: Set the maximum number of listeners that can be
 registered for events

---
 .env.example               | 3 +++
 CHANGELOG.md               | 1 +
 src/config/event.config.ts | 4 +++-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.env.example b/.env.example
index b5fe50a3..893a714c 100644
--- a/.env.example
+++ b/.env.example
@@ -16,6 +16,9 @@ LOG_COLOR=true
 # Log Baileys - "fatal" | "error" | "warn" | "info" | "debug" | "trace"
 LOG_BAILEYS=error
 
+# Set the maximum number of listeners that can be registered for an event
+EVENT_EMITTER_MAX_LISTENERS=50
+
 # Determine how long the instance should be deleted from memory in case of no connection.
 # Default time: 5 minutes
 # If you don't even want an expiration, enter the value false
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a625a22..c0f9d0cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ### Features
 
 * Sync lost messages on chatwoot
+* Set the maximum number of listeners that can be registered for events
 
 ### Fixed
 
diff --git a/src/config/event.config.ts b/src/config/event.config.ts
index ff9b92f3..20cd1e40 100644
--- a/src/config/event.config.ts
+++ b/src/config/event.config.ts
@@ -1,8 +1,10 @@
 import EventEmitter2 from 'eventemitter2';
 
+const maxListeners = parseInt(process.env.EVENT_EMITTER_MAX_LISTENERS, 10) || 50;
+
 export const eventEmitter = new EventEmitter2({
   delimiter: '.',
   newListener: false,
   ignoreErrors: false,
-  maxListeners: 50,
+  maxListeners: maxListeners,
 });