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window.onload = function () {
if (document.body.contains(document.goSearch)) {
document.goSearch.onsubmit = function () { return goSearchNow() };
(function () {
var searchinput = document.getElementById("searchinput");
var suggestions = document.getElementById("suggestions");
function getBaseUrl() {
var baseUrl = document.querySelector("meta[name='base']").getAttribute("content");
if (baseUrl && baseUrl.slice(-1) == "/") {
baseUrl = baseUrl.slice(0, -1);
}
return baseUrl || "";
}
// Permalinks in the WASM index were baked at build time (zola base_url).
// Rewrite to the live site from <meta name="base"> so links match the current host.
function resolveResultUrl(url) {
if (!url) return url;
var baseUrl = getBaseUrl();
if (!baseUrl) return url;
try {
if (url.charAt(0) === "/") {
return baseUrl + url;
}
var parsed = new URL(url, baseUrl);
var base = new URL(baseUrl);
return base.origin + parsed.pathname + parsed.search + parsed.hash;
} catch (e) {
return url;
}
}
function suggestionFocus(e) {
if (e.keyCode === 191
&& document.activeElement.tagName !== "INPUT"
&& document.activeElement.tagName !== "TEXTAREA") {
e.preventDefault();
searchinput.focus();
suggestions.classList.remove('d-none');
}
if (e.keyCode === 27) {
searchinput.blur();
suggestions.classList.add('d-none');
closeAllLists();
}
const focusableSuggestions = suggestions.querySelectorAll('a');
if (suggestions.classList.contains('d-none')
|| focusableSuggestions.length === 0) {
return;
}
const focusable = [...focusableSuggestions];
const index = focusable.indexOf(document.activeElement);
let nextIndex = 0;
if (e.keyCode === 38) {
e.preventDefault();
nextIndex = index > 0 ? index - 1 : 0;
focusableSuggestions[nextIndex].focus();
}
else if (e.keyCode === 40) {
e.preventDefault();
nextIndex = index + 1 < focusable.length ? index + 1 : index;
focusableSuggestions[nextIndex].focus();
}
}
document.addEventListener("keydown", suggestionFocus);
var loaded = false;
document.getElementById('searchinput').onfocus = function () {
if (!loaded) {
lazyLoad();
loaded = true;
}
document.getElementById('searchinput').onfocus = '';
};
async function lazyLoad() {
// Post-0.9 tinysearch (no wasm-pack): tinysearch_engine.wasm
await initWasm(getBaseUrl() + "/tinysearch_engine.wasm");
}
function closeSearchNow() {
const main = document.querySelector("main");
main.innerHTML = window.main;
}
function goSearchNow() {
const main = document.querySelector("main");
if (!window.main) {
window.main = main.innerHTML;
}
var results = document.getElementById("suggestions");
var ResultsClone = results.cloneNode(true);
ResultsClone.id = "results";
var headerDiv = document.createElement("div");
var headerContent = '<form name="closeSearch"><h2><button type="submit" title="Close Search"><i class="svgs x"></i></button> <i class="svgs search"></i> '.concat(document.getElementById("searchinput").value, "</h2></form>");
headerDiv.innerHTML = headerContent;
ResultsClone.insertBefore(headerDiv, ResultsClone.firstChild);
main.innerHTML = ResultsClone.outerHTML;
results.innerHTML = "";
document.getElementById("searchinput").value = "";
document.body.contains(document.closeSearch) && (document.closeSearch.onsubmit = function () { closeSearchNow() });
return false;
}
function closeAllLists(elmnt) {
while (suggestions.firstChild) {
suggestions.removeChild(suggestions.firstChild);
}
}
function markTerm(input, term) {
if (!input) return "";
return String(input).replace(new RegExp('(^|)(' + term + ')(|$)', 'ig'), '$1<mark>$2</mark>$3');
}
function unwrapMeta(meta) {
if (!meta) return "";
if (typeof meta === "string" && meta.charAt(0) === "{") {
try {
var m = JSON.parse(meta);
return m.meta || m.description || Object.values(m)[0] || "";
} catch (e) {
return meta;
}
}
return meta;
}
function autocomplete(inp) {
inp.addEventListener("input", function (e) {
var entry, i, val = this.value;
closeAllLists();
if (!val) {
return false;
}
if (!wasmReady) {
return false;
}
let arr = doSearch(val, 99);
for (i = 0; i < arr.length; i++) {
let elem = arr[i];
var title, url, meta;
if (Array.isArray(elem)) {
title = elem[0];
url = elem[1];
meta = elem[2];
} else {
title = elem.title;
url = elem.url;
meta = unwrapMeta(elem.meta || elem.description || "");
}
entry = document.createElement("DIV");
entry.innerHTML = '<a href><span></span><span></span></a>';
var a = entry.querySelector('a'),
t = entry.querySelector('span:first-child'),
d = entry.querySelector('span:nth-child(2)');
var resolved = resolveResultUrl(url);
a.href = resolved + (resolved.indexOf('?') >= 0 ? '&' : '?') + 'q=' + encodeURIComponent(val);
t.innerHTML = title || "";
d.innerHTML = markTerm(meta || "", val);
suggestions.appendChild(entry);
}
});
}
// ---- New tinysearch WASM API (vanilla cargo build, no wasm-pack) ----
var wasmModule = null;
var memory = null;
var searchFunction = null;
var freeFunction = null;
var wasmReady = false;
var textEncoder = new TextEncoder();
var textDecoder = new TextDecoder("utf-8");
function stringToWasmPtr(str) {
var bytes = textEncoder.encode(str + "\0");
var ptr = 0;
if (wasmModule.exports.__wbindgen_malloc) {
ptr = wasmModule.exports.__wbindgen_malloc(bytes.length);
}
if (!ptr) {
ptr = 1024;
}
new Uint8Array(memory.buffer, ptr, bytes.length).set(bytes);
return ptr;
}
function wasmPtrToString(ptr) {
if (!ptr) return null;
var memoryArray = new Uint8Array(memory.buffer);
var length = 0;
while (memoryArray[ptr + length] !== 0) {
length++;
if (length > 10 * 1024 * 1024) break;
}
return textDecoder.decode(memoryArray.subarray(ptr, ptr + length));
}
function doSearch(query, limit) {
if (!wasmReady || !query) return [];
limit = limit || 10;
try {
var queryPtr = stringToWasmPtr(query);
var resultPtr = searchFunction(queryPtr, limit);
if (wasmModule.exports.__wbindgen_free && queryPtr > 1024) {
wasmModule.exports.__wbindgen_free(queryPtr, query.length + 1);
}
if (!resultPtr) return [];
var resultString = wasmPtrToString(resultPtr);
freeFunction(resultPtr);
if (!resultString) return [];
var results = JSON.parse(resultString);
return Array.isArray(results) ? results : [];
} catch (err) {
console.error("tinysearch error:", err);
return [];
}
}
async function initWasm(url) {
var response = await fetch(url);
if (!response.ok) {
throw new Error("Failed to fetch WASM: " + response.status + " " + response.statusText + " (" + url + ")");
}
var wasmBytes = await response.arrayBuffer();
var module = await WebAssembly.instantiate(wasmBytes);
wasmModule = module.instance;
memory = wasmModule.exports.memory;
searchFunction = wasmModule.exports.search;
freeFunction = wasmModule.exports.free_search_result;
if (!searchFunction || !freeFunction || !memory) {
throw new Error("Required WASM exports not found (need search, free_search_result, memory)");
}
wasmReady = true;
}
autocomplete(document.getElementById("searchinput"));
document.goSearch.onsubmit = function () { return goSearchNow() };
}());
}
};
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