Files
portal/public/search-client.js
T

46 lines
2.0 KiB
JavaScript

// Shared client-side news search over /search.json (no dependencies, no modules).
// Used by the homepage hero (live suggestions) and /search (full results).
(function () {
window.newsSearch = function (opts) {
const input = document.getElementById(opts.input);
const list = document.getElementById(opts.list);
const status = document.getElementById(opts.status);
let index = null;
let timer;
// First title match wrapped in <mark> (Starlight search pattern) — built
// from text nodes, never innerHTML.
function highlight(text, q) {
const i = text.toLowerCase().indexOf(q);
if (i < 0) return [text];
const mark = document.createElement('mark');
mark.textContent = text.slice(i, i + q.length);
return [text.slice(0, i), mark, text.slice(i + q.length)];
}
async function run() {
const q = input.value.trim().toLowerCase();
list.innerHTML = '';
if (q.length < 2) { status.textContent = opts.hint || ''; return; }
if (!index) index = await (await fetch('/search.json')).json();
const hits = index
.filter((p) => (p.title + ' ' + p.description + ' ' + p.category).toLowerCase().includes(q))
.slice(0, opts.limit);
const unit = opts.unit || 'result';
status.textContent = hits.length
? hits.length + ' ' + unit + (hits.length === 1 ? '' : 's') + ' for “' + input.value.trim() + '”'
: 'No results for “' + input.value.trim() + '” — try a shorter or different term.';
for (const p of hits) {
const li = document.createElement('li');
const a = document.createElement('a');
a.href = '/news/' + encodeURIComponent(p.slug);
a.append(...highlight(p.title, q));
const small = document.createElement('small');
small.textContent = p.date;
li.append(a, small);
list.append(li);
}
}
input.addEventListener('input', () => { clearTimeout(timer); timer = setTimeout(run, 150); });
return run; // callers may run() immediately (e.g. /search?q=…)
};
})();