hugo-PaperMod/layouts/_partials/footer.html

{{- if not (.Param "hideFooter") }}
<footer class="footer">
    {{- if not site.Params.footer.hideCopyright }}
        {{- if site.Copyright }}
        <span>{{ site.Copyright | markdownify }}</span>
        {{- else }}
        <span>&copy; {{ now.Year }} <a href="{{ "" | absLangURL }}">{{ site.Title }}</a></span>
        {{- end }}
        {{- print " · "}}
    {{- end }}

    {{- with site.Params.footer.text }}
        {{ . | markdownify }}
        {{- print " · "}}
    {{- end }}

    <span>
        Powered by
        <a href="https://gohugo.io/" rel="noopener noreferrer" target="_blank">Hugo</a> &
        <a href="https://github.com/adityatelange/hugo-PaperMod/" rel="noopener" target="_blank">PaperMod</a>
    </span>
</footer>
{{- end }}

{{- if (not site.Params.disableScrollToTop) }}
<a href="#top" id="top-link" class="top-link hidden" aria-label="go to top" title="Go to Top (Alt + G)" accesskey="g">
    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
        stroke-linecap="round" stroke-linejoin="round" class="feather feather-chevrons-up">
        <polyline points="17 11 12 6 7 11"></polyline>
        <polyline points="17 18 12 13 7 18"></polyline>
    </svg>
</a>
{{- end }}

{{- partial "extend_footer.html" . }}

<script>
    let menu = document.getElementById('menu');
    if (menu) {
        // Set the scroll position
        const scrollPosition = localStorage.getItem("menu-scroll-position");
        if (scrollPosition) {
            menu.scrollLeft = parseInt(scrollPosition, 10);
        }
        
        menu.onscroll = function () {
            localStorage.setItem("menu-scroll-position", menu.scrollLeft);
        }
    }

    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener("click", function (e) {
            e.preventDefault();
            var id = this.getAttribute("href").substr(1);
            if (!window.matchMedia('(prefers-reduced-motion: reduce)').matches) {
                document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView({
                    behavior: "smooth"
                });
            } else {
                document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView();
            }
            if (id === "top") {
                history.replaceState(null, null, " ");
            } else {
                history.pushState(null, null, `#${id}`);
            }
        });
    });

</script>

{{- if (not site.Params.disableScrollToTop) }}
<script>
    var toplink = document.getElementById("top-link");
    window.onscroll = function () {
        const scrollThreshold = window.innerHeight;
        if (document.body.scrollTop > scrollThreshold || document.documentElement.scrollTop > scrollThreshold) {
            toplink.classList.remove("hidden");
        } else {
            toplink.classList.add("hidden");
        }
    };

</script>
{{- end }}

{{- if (not site.Params.disableThemeToggle) }}
<script>
    document.getElementById("theme-toggle").addEventListener("click", () => {
        const html = document.querySelector("html");
        if (html.dataset.theme === "dark") {
            html.dataset.theme = 'light';
            localStorage.setItem("pref-theme", 'light');
        } else {
            html.dataset.theme = 'dark';
            localStorage.setItem("pref-theme", 'dark');
        }
    })

</script>
{{- end }}

{{- if (and (eq .Kind "page") (ne .Layout "archives") (ne .Layout "search") (.Param "ShowCodeCopyButtons")) }}
<script>
    document.querySelectorAll('pre > code').forEach((codeblock) => {
        const container = codeblock.parentNode.parentNode;

        const copybutton = document.createElement('button');
        copybutton.classList.add('copy-code');
        copybutton.innerHTML = '{{- i18n "code_copy" | default "copy" }}';

        function copyingDone() {
            copybutton.innerHTML = '{{- i18n "code_copied" | default "copied!" }}';
            setTimeout(() => {
                copybutton.innerHTML = '{{- i18n "code_copy" | default "copy" }}';
            }, 2000);
        }

        copybutton.addEventListener('click', (cb) => {
            if ('clipboard' in navigator) {
                navigator.clipboard.writeText(codeblock.textContent);
                copyingDone();
                return;
            }

            const range = document.createRange();
            range.selectNodeContents(codeblock);
            const selection = window.getSelection();
            selection.removeAllRanges();
            selection.addRange(range);
            try {
                document.execCommand('copy');
                copyingDone();
            } catch (e) { };
            selection.removeRange(range);
        });

        if (container.classList.contains("highlight")) {
            container.appendChild(copybutton);
        } else if (container.parentNode.firstChild == container) {
            // td containing LineNos
        } else if (codeblock.parentNode.parentNode.parentNode.parentNode.parentNode.nodeName == "TABLE") {
            // table containing LineNos and code
            codeblock.parentNode.parentNode.parentNode.parentNode.parentNode.appendChild(copybutton);
        } else {
            // code blocks not having highlight as parent class
            codeblock.parentNode.appendChild(copybutton);
        }
    });
</script>
{{- end }}