mhsf-dev/src/components/misc/StickyTopbar.tsx

/*
 * MHSF, Minehut Server List
 * All external content is rather licensed under the ECA Agreement
 * located here: https://mhsf.app/docs/legal/external-content-agreement
 *
 * All code under MHSF is licensed under the MIT License
 * by open source contributors
 *
 * Copyright (c) 2024 dvelo
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

"use client";

import { banner } from "@/config/banner";
import { useEffect, useState, ReactNode } from "react";

export default function StickyTopbar({
  children,
  scrollElevation,
  className,
}: {
  children: ReactNode;
  scrollElevation: number;
  className?: string;
}) {
  const [isSticky, setIsSticky] = useState(false);

  const handleScroll = () => {
    if (window.scrollY > scrollElevation) {
      setIsSticky(true);
    } else {
      setIsSticky(false);
    }
  };

  useEffect(() => {
    window.addEventListener("scroll", handleScroll);
    return () => {
      window.removeEventListener("scroll", handleScroll);
    };
  }, []);

  return (
    <div
      className={`transition-all duration-300 ${isSticky ? "fixed left-0 w-full backdrop-blur shadow-lg " + (banner.isBanner == true ? "top-[70px] " : "top-[38px] ") + className : "block w-full bg-transparent"}`}
    >
      {children}
    </div>
  );
}