src/components/AppBar.js


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import { ChevronLeftIcon, HeartIcon, HomeIcon } from "@heroicons/react/24/outline";
import Head from "next/head";
import { useRouter } from "next/router";
import { useEffect, useState } from "react";
import Link from "./Link";

const AppBar = ({ title }) => {
  const router = useRouter();

  const [scrollPosition, setScrollPosition] = useState(0);
  const handleScrollPosition = () => {
    const position = window.pageYOffset;
    setScrollPosition(position);
  }

  useEffect(() => {
    window.addEventListener('scroll', handleScrollPosition, { passive: true });

    return () => {
      window.addEventListener('scroll', handleScrollPosition);
    };
  }, []);

  const handleBackButtonClick = (event) => {
    event.currentTarget.disabled = true;
    router.back();
  }

  return (
    <>
      <Head>
        <title>{ title } - Indoteknik</title>
      </Head>
      <div className={"sticky-header flex justify-between !p-0 !pr-4 idt-transition " + (scrollPosition > 0 && "shadow border-b-transparent" ) }>
        {/* --- Start Title */}
        <div className="flex items-center">
          <button type="button" onClick={handleBackButtonClick} className="text-gray_r-12 px-4 py-5">
            <ChevronLeftIcon className="w-6 stroke-2"/>
          </button>
          <h1 className="text-h-md">{ title }</h1> 
        </div>
        {/* --- End Title */}

        {/* --- Start Icons */}
        <div className="flex gap-x-4 items-center">
          <Link href="/">
            <HeartIcon className="w-6 stroke-2 text-gray_r-12"/>
          </Link>
          <Link href="/">
            <HomeIcon className="w-6 stroke-2 text-gray_r-12"/>
          </Link>
        </div>
        {/* --- End Icons */}
      </div>
    </>
  );
};

export default AppBar;