[ts] Improve ListenerFn interface (#193)

primus · Apr 29, 2019 · 48ef1d6 · 48ef1d6
1 parent bb9242b
commit 48ef1d6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/index.d.ts b/index.d.ts
@@ -51,7 +51,7 @@ declare class EventEmitter<EventTypes extends string | symbol = string | symbol>
 
 declare namespace EventEmitter {
   export interface ListenerFn {
-    (...args: Array<any>): void;
+    (...args: Array<any>): void | Promise<void>;
   }
 
   export interface EventEmitterStatic {