From d54609a4582b96bbf0bcb8395f0e01b8784a1369 Mon Sep 17 00:00:00 2001
From: Richard Moore <github@ricmoo.com>
Date: Sun, 14 Oct 2018 19:01:53 -0400
Subject: [PATCH] Fixed lingering polling timer when no events left to process
 in a provider.

---
 src.ts/providers/base-provider.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src.ts/providers/base-provider.ts b/src.ts/providers/base-provider.ts
index 8d847165..fcaeaedc 100644
--- a/src.ts/providers/base-provider.ts
+++ b/src.ts/providers/base-provider.ts
@@ -1212,6 +1212,8 @@ export class BaseProvider extends Provider {
             return !(event.once);
         });
 
+        if (this.listenerCount() === 0) { this.polling = false; }
+
         return result;
     }
 
@@ -1261,6 +1263,7 @@ export class BaseProvider extends Provider {
 
         return this;
     }
+
 }
 
 defineReadOnly(Provider, 'inherits', inheritable(Provider));