obsidiangarden_netlify/src/site/_includes/components/searchScript.njk

<script>
    document.addEventListener('DOMContentLoaded', init, false);
    document.addEventListener('DOMContentLoaded', setCorrectShortcut, false);

    window.toggleSearch=function(){
        if(document.getElementById('globalsearch').classList.contains('active')){
            document.getElementById('globalsearch').classList.remove('active');
        }else{
            document.getElementById('globalsearch').classList.add('active');
            document.getElementById('term').focus();
        }
    }

    const loadingSvg = `<svg width="100" height="100" viewBox="0 0 45 45" xmlns="http://www.w3.org/2000/svg" stroke="#d9d9d9">
    <g fill="none" fill-rule="evenodd" transform="translate(1 1)" stroke-width="2">
        <circle cx="22" cy="22" r="6" stroke-opacity="0">
            <animate attributeName="r"
                 begin="1.5s" dur="3s"
                 values="6;22"
                 calcMode="linear"
                 repeatCount="indefinite" />
            <animate attributeName="stroke-opacity"
                 begin="1.5s" dur="3s"
                 values="1;0" calcMode="linear"
                 repeatCount="indefinite" />
            <animate attributeName="stroke-width"
                 begin="1.5s" dur="3s"
                 values="2;0" calcMode="linear"
                 repeatCount="indefinite" />
        </circle>
        <circle cx="22" cy="22" r="6" stroke-opacity="0">
            <animate attributeName="r"
                 begin="3s" dur="3s"
                 values="6;22"
                 calcMode="linear"
                 repeatCount="indefinite" />
            <animate attributeName="stroke-opacity"
                 begin="3s" dur="3s"
                 values="1;0" calcMode="linear"
                 repeatCount="indefinite" />
            <animate attributeName="stroke-width"
                 begin="3s" dur="3s"
                 values="2;0" calcMode="linear"
                 repeatCount="indefinite" />
        </circle>
        <circle cx="22" cy="22" r="8">
            <animate attributeName="r"
                 begin="0s" dur="1.5s"
                 values="6;1;2;3;4;5;6"
                 calcMode="linear"
                 repeatCount="indefinite" />
        </circle>
    </g>
</svg>`;

    function debounce(func, wait, immediate) {
        var timeout;
        return function() {
            var context = this, args = arguments;
            var later = function() {
                timeout = null;
                if (!immediate) func.apply(context, args);
            };
            var callNow = immediate && !timeout;
            clearTimeout(timeout);
            timeout = setTimeout(later, wait);
            if (callNow) func.apply(context, args);
        };
    };

    function setCorrectShortcut(){
        if(navigator.platform.toUpperCase().indexOf('MAC')>=0){
            document.querySelectorAll(".search-keys").forEach(x=>x.innerHTML = "⌘ + K");
        }
    }

    async function init() {

        //open searchmodal when ctrl + k is pressed, cmd + k on mac
        document.addEventListener('keydown', (e) => {
            if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
                e.preventDefault();
                toggleSearch();
            }
            if (e.key === 'Escape') {
                document.getElementById('globalsearch').classList.remove('active');
            }

            //navigate search results with arrow keys
            if (document.getElementById('globalsearch').classList.contains('active')) {
                if (e.key === 'ArrowDown') {
                    e.preventDefault();
                    let active = document.querySelector('.searchresult.active');
                    if (active) {
                        active.classList.remove('active');
                        if (active.nextElementSibling) {
                            active.nextElementSibling.classList.add('active');
                        } else {
                            document.querySelector('.searchresult').classList.add('active');
                        }
                    } else {
                        document.querySelector('.searchresult').classList.add('active');
                    }
                    
                    let currentActive = document.querySelector('.searchresult.active');
                    if (currentActive) {
                        currentActive .scrollIntoView({
                            behavior: 'smooth',
                            block: 'nearest',
                            inline: 'start',
                        });
                    }
                }
                if (e.key === 'ArrowUp') {
                    e.preventDefault();
                    let active = document.querySelector('.searchresult.active');
                    if (active) {
                        active.classList.remove('active');
                        if (active.previousElementSibling) {
                            active.previousElementSibling.classList.add('active');
                        } else {
                            document.querySelectorAll('.searchresult').forEach((el) => {
                                if (!el.nextElementSibling) {
                                    el.classList.add('active');
                                }
                            });
                        }
                    } else {
                        document.querySelectorAll('.searchresult').forEach((el) => {
                            if (el.nextElementSibling) {
                                el.classList.add('active');
                            }
                        });
                    }

                    let currentActive = document.querySelector('.searchresult.active');
                    if (currentActive) {
                        currentActive .scrollIntoView({
                            behavior: 'smooth',
                            block: 'nearest',
                            inline: 'start',
                        });
                    }

                }
                if (e.key === 'Enter') {
                    e.preventDefault();
                    let active = document.querySelector('.searchresult.active');
                    if (active) {
                        window.location.href = active.querySelector("a").href;
                    }
                }
            }
        });

        const debouncedSearch = debounce(search, 200, false);
        field = document.querySelector('#term');
        field.addEventListener('keydown', (e) => {
            if (e.key !== 'ArrowDown' && e.key !== 'ArrowUp') {
                debouncedSearch();
            }
        });
        resultsDiv = document.querySelector('#search-results');

        const params = new URL(location.href).searchParams;
        if (params.get('q')) {
            field.setAttribute('value', params.get('q'));
            toggleSearch();
            search();
        }
    }
    window.lastSearch = '';
    async function search() {
        let search = field
            .value
            .trim();
        if (!search) 
            return;
        if(search == lastSearch) return;
        console.log(`search for ${search}`);
        window.lastSearch = search;

        resultsDiv.innerHTML = loadingSvg;
        let searchRequest = await fetch(`/api/search?term=${encodeURIComponent(search)}`);
        let results = await searchRequest.json();
        let resultsHTML = '';
        if (!results.length) {
            resultsHTML += `<p>No results for "${search}"</p>`;
            resultsDiv.innerHTML = resultsHTML;
            return;
        }
        resultsHTML += '<div>';
        // we need to add title, url from ref
        results.forEach(r => {
            resultsHTML += `<div class="searchresult"><a class="search-link" href="${r.url}">${r.title}</a><span onclick="window.location='${r.url}'">${r.content}</span></div>`;
        });
        resultsHTML += '</div>';
        resultsDiv.innerHTML = resultsHTML;
    }
</script>