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/* Search Entire Site for Content */
function initSearch() {
const input = document.getElementById("search-input");
const resetBtn = document.getElementById("search-reset");
const resultsCount = document.querySelector(".search-results__count");
const resultsList = document.querySelector(".search-results__list");
const template = document.getElementById("search-result-template");
// Only initialize search on the search page
if (!input || !template) return;
let allPosts = [];
let searchTimeout;
// Get JSON file with data of all posts
fetch(input.dataset.indexUrl ?? "/index.json")
.then((res) => res.json())
.then((data) => allPosts = data)
.catch((err) => console.error("Search index.json failed to load.", err));
function clearResults() {
resultsCount.hidden = true;
resultsList.innerHTML = "";
resultsList.hidden = true;
}
function renderSearchResults(matches) {
clearResults();
// Display how many results found for query
resultsCount.hidden = false;
resultsCount.querySelector("#search-results-number").textContent = String(matches.length ?? 0);
// No posts matching query found
if (!matches.length) return;
// Hydrate post-card list item(s) from the template with JSON data
matches.forEach((post) => {
const li = template.content.firstElementChild.cloneNode(true);
const link = li.querySelector(".post-card__link");
link.href = post.url;
link.innerHTML = post.title;
const section = li.querySelector(".post-card__section-badge");
if (section) section.textContent = post.section;
const date = li.querySelector(".post-card__publish-date");
date.textContent = new Date(post.date).toLocaleDateString();
date.setAttribute("datetime", post.date);
const summary = li.querySelector(".post-card__summary");
if (summary) summary.textContent = post.summary;
const tagsList = li.querySelector(".post-card__tags-list");
if (tagsList) {
tagsList.innerHTML = "";
if (post.tags && post.tags.length) {
post.tags.slice(0, 3).forEach((tag) => {
const liTag = document.createElement("li");
liTag.className = "post-card__tags-item";
liTag.textContent = `#${tag}`;
tagsList.appendChild(liTag);
});
if (post.tags.length > 3) {
const more = document.createElement("li");
more.className = "post-card__tags-item post-card__tags-more";
more.textContent = `+${post.tags.length - 3}`;
tagsList.appendChild(more);
}
}
}
resultsList.appendChild(li);
resultsList.hidden = false;
});
}
// Filter all posts for matches with the user's search query
function searchPosts(query) {
const normalizedQuery = query.trim().toLowerCase();
// Only search if user entered at least 3 chars
if (normalizedQuery.length < 3) {
clearResults();
return;
}
const matches = allPosts.filter((post) => (
post.title.toLowerCase().includes(normalizedQuery) ||
(post.summary && post.summary.toLowerCase().includes(normalizedQuery))
));
// At least 1 post matching query found
renderSearchResults(matches);
}
input.addEventListener("input", (event) => {
clearTimeout(searchTimeout);
// Debounce search
searchTimeout = setTimeout(() => {
searchPosts(event.target.value);
}, 300);
});
resetBtn.addEventListener("click", () => {
input.value = "";
input.focus();
clearResults();
});
// Focus input on page load - it's what the user is here for
input.focus();
}
export default initSearch;
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