chore: Set the maximum number of listeners that can be registered for events

Author: DavidsonGomes

.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

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
 

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,
 });