From 3f07b047df4d66f83047a5bb747c0a1665bceb6c Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 1 May 2022 21:30:31 +0800
Subject: ...

---
 FrontEnd/src/utilities/hooks/useScrollToTop.ts | 43 --------------------------
 1 file changed, 43 deletions(-)
 delete mode 100644 FrontEnd/src/utilities/hooks/useScrollToTop.ts

(limited to 'FrontEnd/src/utilities/hooks/useScrollToTop.ts')

diff --git a/FrontEnd/src/utilities/hooks/useScrollToTop.ts b/FrontEnd/src/utilities/hooks/useScrollToTop.ts
deleted file mode 100644
index 95c8b7b9..00000000
--- a/FrontEnd/src/utilities/hooks/useScrollToTop.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-import React from "react";
-import { fromEvent } from "rxjs";
-import { filter, throttleTime } from "rxjs/operators";
-
-function useScrollToTop(
-  handler: () => void,
-  enable = true,
-  option = {
-    maxOffset: 5,
-    throttle: 1000,
-  }
-): void {
-  const handlerRef = React.useRef<(() => void) | null>(null);
-
-  React.useEffect(() => {
-    handlerRef.current = handler;
-
-    return () => {
-      handlerRef.current = null;
-    };
-  }, [handler]);
-
-  React.useEffect(() => {
-    const subscription = fromEvent(window, "scroll")
-      .pipe(
-        filter(() => {
-          return window.scrollY <= option.maxOffset;
-        }),
-        throttleTime(option.throttle)
-      )
-      .subscribe(() => {
-        if (enable) {
-          handlerRef.current?.();
-        }
-      });
-
-    return () => {
-      subscription.unsubscribe();
-    };
-  }, [enable, option.maxOffset, option.throttle]);
-}
-
-export default useScrollToTop;
-- 
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