Fixed false implicit type from DEFAULT_CALLBACK (#39)

roderickhsiao · Apr 21, 2022 · 051d4d4 · 051d4d4
1 parent 326f449
commit 051d4d4
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -1,10 +1,15 @@
 import ACTIVE_EVENTS from './active-events';
 import supportPassiveEvent from './supportPassiveEvent';
 
-const DEFAULT_CALLBACK = () => undefined;
+const DEFAULT_CALLBACK = (_ : CallbackPayload) => {};
 const DEFAULT_THROTTLE = 500;
 const DEFAULT_TIMEOUT = 30000;
 
+interface CallbackPayload {
+  idle: boolean,
+  event?: Event
+}
+
 const defaultEventOption = {
   capture: false,
   passive: false,
@@ -14,10 +19,7 @@ class IdleTracker {
   callback: ({
     idle,
     event,
-  }: {
-    idle: boolean;
-    event?: Event | undefined;
-  }) => void;
+  }: CallbackPayload) => void;
 
   events: Array<Event['type']>;