103 lines
3.4 KiB
JavaScript
103 lines
3.4 KiB
JavaScript
function _codigoparallevar_enable_search_box(selector, options) {
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const element = document.querySelector(selector);
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if ('placeholder' in options) {
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element.setAttribute('placeholder', options.placeholder);
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}
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// Prepare backdrop
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const resultsBoxBackdrop = document.createElement('div');
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resultsBoxBackdrop.setAttribute('class', 'results-box-container hidden');
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const resultsBox = document.createElement('div');
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resultsBox.setAttribute('class', 'results-box');
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// Results box contents
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const innerSearchBox = document.createElement('input');
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innerSearchBox.setAttribute('type', 'text');
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innerSearchBox.setAttribute('placeholder', element.getAttribute('placeholder'));
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resultsBox.appendChild(innerSearchBox);
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const resultsList = document.createElement('ul');
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resultsBox.appendChild(resultsList);
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resultsBoxBackdrop.appendChild(resultsBox);
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document.body.appendChild(resultsBoxBackdrop);
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// Popup cancellation
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resultsBoxBackdrop.onclick = () => {
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resultsBoxBackdrop.classList.add('hidden');
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};
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resultsBox.onclick = (ev) => {
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ev.stopPropagation();
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};
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// Element triggers popup
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element.onfocus = () => {
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resultsBoxBackdrop.classList.remove('hidden');
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innerSearchBox.focus();
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const wasKeyDown = document.onkeydown;
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document.onkeydown = (ev) => {
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if (ev.key === 'Escape') {
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resultsBoxBackdrop.classList.add('hidden');
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document.onkeydown = wasKeyDown;
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ev.stopPropagation();
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}
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};
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};
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const DEBOUNCE_TIME = 500; // Milliseconds
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const MIN_LENGTH = 3;
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const SEARCH_ENDPOINT = 'http://localhost:3001/api/search';
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let debounceWaiter = null;
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let currentQuery = null;
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let lastVal = null;
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const doQuery = () => {
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const val = innerSearchBox.value.trim();
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if ((val.length < MIN_LENGTH) || (val === lastVal)) {
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return;
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}
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lastVal = val;
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const uri = SEARCH_ENDPOINT + '?q=' + encodeURIComponent(val);
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let query = fetch(uri);
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currentQuery = query;
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query
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.then(res => res.json())
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.then((body) => {
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if (query !== currentQuery) {
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console.log("Query out-raced 🤷");
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return;
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}
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resultsList.innerHTML = '';
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for (const note of body.results.notes) {
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const resultCard = document.createElement('li');
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const resultContents = document.createElement('a');
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resultContents.setAttribute('href', './' + note.id + '.node.html');
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const resultTitle = document.createElement('h2');
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resultTitle.innerText = note.title;
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resultContents.appendChild(resultTitle);
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resultCard.appendChild(resultContents);
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resultsList.appendChild(resultCard);
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}
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});
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};
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element.removeAttribute('disabled');
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innerSearchBox.onkeyup = (ev) => {
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if (debounceWaiter !== null) {
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clearTimeout(debounceWaiter);
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}
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debounceWaiter = setTimeout(doQuery, DEBOUNCE_TIME);
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};
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}
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// // TODO: Remove this when dev is done
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// _codigoparallevar_enable_search_box('#searchbox', {placeholder: 'Search...'})
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// document.querySelector('#searchbox').focus()
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