From 1fc5ce993a1769a3d0dd5fe2fdb51726f06f804c Mon Sep 17 00:00:00 2001
From: Marin Ivanov <dev@metala.org>
Date: Sat, 27 Apr 2019 09:57:55 +0300
Subject: Fix TypeScript warning and add caveats to ToC

---
 src/index.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/index.ts b/src/index.ts
index 3608ae1..722412b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -37,10 +37,11 @@ export default function nitt(all: EventHandlerMap) {
      * @param  {Function} handler Function to call in response to given event
      */
     once(type: string, handler: EventHandler) {
-      const onceHandler = evt => {
+      const onceHandler = (evt: any) => {
         handler(evt);
         this.off(type, onceHandler);
       };
+
       this.on(type, onceHandler);
     },
 
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