chore: update to Fumadocs 15.7 (#4154)

Co-authored-by: KinfeMichael Tariku <65047246+Kinfe123@users.noreply.github.com>
Co-authored-by: Kinfe123 <kinfishtech@gmail.com>

docs/components/ui/use-copy-button.tsx

@@ -0,0 +1,31 @@
+"use client";
+import { type MouseEventHandler, useEffect, useRef, useState } from "react";
+import { useEffectEvent } from "fumadocs-core/utils/use-effect-event";
+
+export function useCopyButton(
+	onCopy: () => void | Promise<void>,
+): [checked: boolean, onClick: MouseEventHandler] {
+	const [checked, setChecked] = useState(false);
+	const timeoutRef = useRef<number | null>(null);
+
+	const onClick: MouseEventHandler = useEffectEvent(() => {
+		if (timeoutRef.current) window.clearTimeout(timeoutRef.current);
+		const res = Promise.resolve(onCopy());
+
+		void res.then(() => {
+			setChecked(true);
+			timeoutRef.current = window.setTimeout(() => {
+				setChecked(false);
+			}, 1500);
+		});
+	});
+
+	// Avoid updates after being unmounted
+	useEffect(() => {
+		return () => {
+			if (timeoutRef.current) window.clearTimeout(timeoutRef.current);
+		};
+	}, []);
+
+	return [checked, onClick];
+}