update searcher

This commit is contained in:
Carlos Polop
2025-05-08 23:14:04 +02:00
parent b4a33ce277
commit 3886eb0679
2 changed files with 179 additions and 551 deletions

10
theme/elasticlunr.min.js vendored Normal file

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@@ -1,554 +1,172 @@
/* ────────────────────────────────────────────────────────────────
Polyfill so requestIdleCallback works everywhere (IE 11/Safari)
─────────────────────────────────────────────────────────────── */
if (typeof window.requestIdleCallback !== "function") {
window.requestIdleCallback = function (cb) {
const start = Date.now();
return setTimeout(function () {
cb({
didTimeout: false,
timeRemaining: function () {
return Math.max(0, 50 - (Date.now() - start));
}
});
}, 1);
};
window.cancelIdleCallback = window.clearTimeout;
}
/* ────────────────────────────────────────────────────────────────
search.js
─────────────────────────────────────────────────────────────── */
/* ht_searcher.js ────────────────────────────────────────────────
Dualindex WebWorker search (HackTricks + HackTricksCloud)
· keeps working even if one index fails
· cloud results rendered **blue**
· ⏳ while loading → 🔍 when ready
*/
(() => {
"use strict";
window.search = window.search || {};
(function search(search) {
// Search functionality
//
// You can use !hasFocus() to prevent keyhandling in your key
// event handlers while the user is typing their search.
if (!Mark || !elasticlunr) {
/* ───────────── 0. helpers (main thread) ───────────── */
const clear = el => { while (el.firstChild) el.removeChild(el.firstChild); };
/* ───────────── 1. WebWorker code ─────────────────── */
const workerCode = `
self.window = self;
self.search = self.search || {};
const abs = p => location.origin + p;
/* 1 — elasticlunr */
try { importScripts('https://cdn.jsdelivr.net/npm/elasticlunr@0.9.5/elasticlunr.min.js'); }
catch { importScripts(abs('/elasticlunr.min.js')); }
/* 2 — load a single index (remote → local) */
async function loadIndex(remote, local, isCloud=false){
let rawLoaded = false;
try {
const r = await fetch(remote,{mode:'cors'});
if (!r.ok) throw new Error('HTTP '+r.status);
importScripts(URL.createObjectURL(new Blob([await r.text()],{type:'application/javascript'})));
rawLoaded = true;
} catch(e){ console.warn('remote',remote,'failed →',e); }
if(!rawLoaded){
try { importScripts(abs(local)); rawLoaded = true; }
catch(e){ console.error('local',local,'failed →',e); }
}
if(!rawLoaded) return null; /* give up on this index */
const data = { json:self.search.index, urls:self.search.doc_urls, cloud:isCloud };
delete self.search.index; delete self.search.doc_urls;
return data;
}
(async () => {
const MAIN_RAW = 'https://raw.githubusercontent.com/HackTricks-wiki/hacktricks/refs/heads/master/searchindex.js';
const CLOUD_RAW = 'https://raw.githubusercontent.com/HackTricks-wiki/hacktricks-cloud/refs/heads/master/searchindex.js';
const indices = [];
const main = await loadIndex(MAIN_RAW , '/searchindex-book.js', false); if(main) indices.push(main);
const cloud= await loadIndex(CLOUD_RAW, '/searchindex.js', true ); if(cloud) indices.push(cloud);
if(!indices.length){ postMessage({ready:false, error:'no-index'}); return; }
/* build index objects */
const built = indices.map(d => ({
idx : elasticlunr.Index.load(d.json),
urls: d.urls,
cloud: d.cloud,
base: d.cloud ? 'https://cloud.hacktricks.wiki/' : ''
}));
postMessage({ready:true});
const MAX = 30, opts = {bool:'AND', expand:true};
self.onmessage = ({data:q}) => {
if(!q){ postMessage([]); return; }
const all = [];
for(const s of built){
const res = s.idx.search(q,opts);
if(!res.length) continue;
const max = res[0].score || 1;
res.forEach(r => {
const doc = s.idx.documentStore.getDoc(r.ref);
all.push({
norm : r.score / max,
title: doc.title,
body : doc.body,
breadcrumbs: doc.breadcrumbs,
url : s.base + s.urls[r.ref],
cloud: s.cloud
});
});
}
all.sort((a,b)=>b.norm-a.norm);
postMessage(all.slice(0,MAX));
};
})();
`;
/* ───────────── 2. spawn worker ───────────── */
const worker = new Worker(URL.createObjectURL(new Blob([workerCode],{type:'application/javascript'})));
/* ───────────── 3. DOM refs ─────────────── */
const wrap = document.getElementById('search-wrapper');
const bar = document.getElementById('searchbar');
const list = document.getElementById('searchresults');
const listOut = document.getElementById('searchresults-outer');
const header = document.getElementById('searchresults-header');
const icon = document.getElementById('search-toggle');
const READY_ICON = icon.innerHTML;
icon.textContent = '⏳';
icon.setAttribute('aria-label','Loading search …');
const HOT=83, ESC=27, DOWN=40, UP=38, ENTER=13;
let debounce, teaserCount=0;
/* ───────────── helpers (teaser, metric) ───────────── */
const escapeHTML = (()=>{const M={'&':'&amp;','<':'&lt;','>':'&gt;','"':'&#34;','\'':'&#39;'};return s=>s.replace(/[&<>'"]/g,c=>M[c]);})();
const URL_MARK='highlight';
function metric(c,t){return c?`${c} search result${c>1?'s':''} for '${t}':`:`No search results for '${t}'.`;}
function makeTeaser(body,terms){
const stem=w=>elasticlunr.stemmer(w.toLowerCase());
const T=terms.map(stem),W_S=40,W_F=8,W_N=2,WIN=30;
const W=[],sents=body.toLowerCase().split('. ');
let i=0,v=W_F,found=false;
sents.forEach(s=>{v=W_F; s.split(' ').forEach(w=>{ if(w){ if(T.some(t=>stem(w).startsWith(t))){v=W_S;found=true;} W.push([w,v,i]); v=W_N;} i+=w.length+1; }); i++;});
if(!W.length) return body;
const win=Math.min(W.length,WIN);
const sums=[W.slice(0,win).reduce((a,[,wt])=>a+wt,0)];
for(let k=1;k<=W.length-win;k++) sums[k]=sums[k-1]-W[k-1][1]+W[k+win-1][1];
const best=found?sums.lastIndexOf(Math.max(...sums)):0;
const out=[]; i=W[best][2];
for(let k=best;k<best+win;k++){const [w,wt,pos]=W[k]; if(i<pos){out.push(body.substring(i,pos)); i=pos;} if(wt===W_S) out.push('<em>'); out.push(body.substr(pos,w.length)); if(wt===W_S) out.push('</em>'); i=pos+w.length;}
return out.join('');
}
function format(d,terms){
const teaser=makeTeaser(escapeHTML(d.body),terms);
teaserCount++;
const enc=encodeURIComponent(terms.join(' ')).replace(/'/g,'%27');
const parts=d.url.split('#'); if(parts.length===1) parts.push('');
const abs=d.url.startsWith('http');
const href=`${abs?'':path_to_root}${parts[0]}?${URL_MARK}=${enc}#${parts[1]}`;
const style=d.cloud?" style=\"color:#1e88e5\"":"";
const isCloud=d.cloud?" [Cloud]":" [Book]";
return `<a href="${href}" aria-details="teaser_${teaserCount}"${style}>`+
`${d.breadcrumbs}${isCloud}<span class="teaser" id="teaser_${teaserCount}" aria-label="Search Result Teaser">${teaser}</span></a>`;
}
/* ───────────── UI control ───────────── */
function showUI(s){wrap.classList.toggle('hidden',!s); icon.setAttribute('aria-expanded',s); if(s){window.scrollTo(0,0); bar.focus(); bar.select();} else {listOut.classList.add('hidden'); [...list.children].forEach(li=>li.classList.remove('focus'));}}
function blur(){const t=document.createElement('input'); t.style.cssText='position:absolute;opacity:0;'; icon.appendChild(t); t.focus(); t.remove();}
icon.addEventListener('click',()=>showUI(wrap.classList.contains('hidden')));
document.addEventListener('keydown',e=>{
if(e.altKey||e.ctrlKey||e.metaKey||e.shiftKey) return;
const f=/^(?:input|select|textarea)$/i.test(e.target.nodeName);
if(e.keyCode===HOT && !f){e.preventDefault(); showUI(true);} else if(e.keyCode===ESC){e.preventDefault(); showUI(false); blur();}
else if(e.keyCode===DOWN && document.activeElement===bar){e.preventDefault(); const first=list.firstElementChild; if(first){blur(); first.classList.add('focus');}}
else if([DOWN,UP,ENTER].includes(e.keyCode) && document.activeElement!==bar){const cur=list.querySelector('li.focus'); if(!cur) return; e.preventDefault(); if(e.keyCode===DOWN){const nxt=cur.nextElementSibling; if(nxt){cur.classList.remove('focus'); nxt.classList.add('focus');}} else if(e.keyCode===UP){const prv=cur.previousElementSibling; cur.classList.remove('focus'); if(prv){prv.classList.add('focus');} else {bar.focus();}} else {const a=cur.querySelector('a'); if(a) window.location.assign(a.href);}}
});
bar.addEventListener('input',e=>{ clearTimeout(debounce); debounce=setTimeout(()=>worker.postMessage(e.target.value.trim()),120); });
/* ───────────── worker messages ───────────── */
worker.onmessage = ({data}) => {
if(data && data.ready!==undefined){
if(data.ready){ icon.innerHTML=READY_ICON; icon.setAttribute('aria-label','Open search (S)'); }
else { icon.textContent='❌'; icon.setAttribute('aria-label','Search unavailable'); }
return;
}
//IE 11 Compatibility from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
if (!String.prototype.startsWith) {
String.prototype.startsWith = function(search, pos) {
return this.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
};
}
var search_wrap = document.getElementById('search-wrapper'),
search_modal = document.getElementById('search-modal'),
searchbar = document.getElementById('searchbar'),
searchbar_outer = document.getElementById('searchbar-outer'),
searchresults = document.getElementById('searchresults'),
searchresults_outer = document.getElementById('searchresults-outer'),
searchresults_header = document.getElementById('searchresults-header'),
searchicon = document.getElementById('search-toggle'),
content = document.getElementById('content'),
searchindex = null,
doc_urls = [],
results_options = {
teaser_word_count: 30,
limit_results: 30,
},
search_options = {
bool: "AND",
expand: true,
fields: {
title: {boost: 1},
body: {boost: 1},
breadcrumbs: {boost: 0}
}
},
mark_exclude = [],
marker = new Mark(content),
current_searchterm = "",
URL_SEARCH_PARAM = 'search',
URL_MARK_PARAM = 'highlight',
teaser_count = 0,
SEARCH_HOTKEY_KEYCODE = 83,
ESCAPE_KEYCODE = 27,
DOWN_KEYCODE = 40,
UP_KEYCODE = 38,
SELECT_KEYCODE = 13;
function hasFocus() {
return searchbar === document.activeElement;
}
function removeChildren(elem) {
while (elem.firstChild) {
elem.removeChild(elem.firstChild);
}
}
// Helper to parse a url into its building blocks.
function parseURL(url) {
var a = document.createElement('a');
a.href = url;
return {
source: url,
protocol: a.protocol.replace(':',''),
host: a.hostname,
port: a.port,
params: (function(){
var ret = {};
var seg = a.search.replace(/^\?/,'').split('&');
var len = seg.length, i = 0, s;
for (;i<len;i++) {
if (!seg[i]) { continue; }
s = seg[i].split('=');
ret[s[0]] = s[1];
}
return ret;
})(),
file: (a.pathname.match(/\/([^/?#]+)$/i) || [,''])[1],
hash: a.hash.replace('#',''),
path: a.pathname.replace(/^([^/])/,'/$1')
};
}
// Helper to recreate a url string from its building blocks.
function renderURL(urlobject) {
var url = urlobject.protocol + "://" + urlobject.host;
if (urlobject.port != "") {
url += ":" + urlobject.port;
}
url += urlobject.path;
var joiner = "?";
for(var prop in urlobject.params) {
if(urlobject.params.hasOwnProperty(prop)) {
url += joiner + prop + "=" + urlobject.params[prop];
joiner = "&";
}
}
if (urlobject.hash != "") {
url += "#" + urlobject.hash;
}
return url;
}
// Helper to escape html special chars for displaying the teasers
var escapeHTML = (function() {
var MAP = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&#34;',
"'": '&#39;'
};
var repl = function(c) { return MAP[c]; };
return function(s) {
return s.replace(/[&<>'"]/g, repl);
const docs=data, q=bar.value.trim(), terms=q.split(/\s+/).filter(Boolean);
header.textContent=metric(docs.length,q);
clear(list);
docs.forEach(d=>{const li=document.createElement('li'); li.innerHTML=format(d,terms); list.appendChild(li);});
listOut.classList.toggle('hidden',!docs.length);
};
})();
function formatSearchMetric(count, searchterm) {
if (count == 1) {
return count + " search result for '" + searchterm + "':";
} else if (count == 0) {
return "No search results for '" + searchterm + "'.";
} else {
return count + " search results for '" + searchterm + "':";
}
}
function formatSearchResult(result, searchterms) {
var teaser = makeTeaser(escapeHTML(result.doc.body), searchterms);
teaser_count++;
// The ?URL_MARK_PARAM= parameter belongs inbetween the page and the #heading-anchor
var url = doc_urls[result.ref].split("#");
if (url.length == 1) { // no anchor found
url.push("");
}
// encodeURIComponent escapes all chars that could allow an XSS except
// for '. Due to that we also manually replace ' with its url-encoded
// representation (%27).
var searchterms = encodeURIComponent(searchterms.join(" ")).replace(/\'/g, "%27");
return '<a href="' + path_to_root + url[0] + '?' + URL_MARK_PARAM + '=' + searchterms + '#' + url[1]
+ '" aria-details="teaser_' + teaser_count + '">' + result.doc.breadcrumbs
+ '<span class="teaser" id="teaser_' + teaser_count + '" aria-label="Search Result Teaser">'
+ teaser + '</span>' + '</a>';
}
function makeTeaser(body, searchterms) {
// The strategy is as follows:
// First, assign a value to each word in the document:
// Words that correspond to search terms (stemmer aware): 40
// Normal words: 2
// First word in a sentence: 8
// Then use a sliding window with a constant number of words and count the
// sum of the values of the words within the window. Then use the window that got the
// maximum sum. If there are multiple maximas, then get the last one.
// Enclose the terms in <em>.
var stemmed_searchterms = searchterms.map(function(w) {
return elasticlunr.stemmer(w.toLowerCase());
});
var searchterm_weight = 40;
var weighted = []; // contains elements of ["word", weight, index_in_document]
// split in sentences, then words
var sentences = body.toLowerCase().split('. ');
var index = 0;
var value = 0;
var searchterm_found = false;
for (var sentenceindex in sentences) {
var words = sentences[sentenceindex].split(' ');
value = 8;
for (var wordindex in words) {
var word = words[wordindex];
if (word.length > 0) {
for (var searchtermindex in stemmed_searchterms) {
if (elasticlunr.stemmer(word).startsWith(stemmed_searchterms[searchtermindex])) {
value = searchterm_weight;
searchterm_found = true;
}
};
weighted.push([word, value, index]);
value = 2;
}
index += word.length;
index += 1; // ' ' or '.' if last word in sentence
};
index += 1; // because we split at a two-char boundary '. '
};
if (weighted.length == 0) {
return body;
}
var window_weight = [];
var window_size = Math.min(weighted.length, results_options.teaser_word_count);
var cur_sum = 0;
for (var wordindex = 0; wordindex < window_size; wordindex++) {
cur_sum += weighted[wordindex][1];
};
window_weight.push(cur_sum);
for (var wordindex = 0; wordindex < weighted.length - window_size; wordindex++) {
cur_sum -= weighted[wordindex][1];
cur_sum += weighted[wordindex + window_size][1];
window_weight.push(cur_sum);
};
if (searchterm_found) {
var max_sum = 0;
var max_sum_window_index = 0;
// backwards
for (var i = window_weight.length - 1; i >= 0; i--) {
if (window_weight[i] > max_sum) {
max_sum = window_weight[i];
max_sum_window_index = i;
}
};
} else {
max_sum_window_index = 0;
}
// add <em/> around searchterms
var teaser_split = [];
var index = weighted[max_sum_window_index][2];
for (var i = max_sum_window_index; i < max_sum_window_index+window_size; i++) {
var word = weighted[i];
if (index < word[2]) {
// missing text from index to start of `word`
teaser_split.push(body.substring(index, word[2]));
index = word[2];
}
if (word[1] == searchterm_weight) {
teaser_split.push("<em>")
}
index = word[2] + word[0].length;
teaser_split.push(body.substring(word[2], index));
if (word[1] == searchterm_weight) {
teaser_split.push("</em>")
}
};
return teaser_split.join('');
}
function init(config) {
results_options = config.results_options;
search_options = config.search_options;
searchbar_outer = config.searchbar_outer;
doc_urls = config.doc_urls;
searchindex = elasticlunr.Index.load(config.index);
// Set up events
searchicon.addEventListener('click', function(e) { searchIconClickHandler(); }, false);
search_wrap.addEventListener('click', function(e) { searchIconClickHandler(); }, false);
search_modal.addEventListener('click', function(e) { e.stopPropagation(); }, false);
searchbar.addEventListener('keyup', function(e) { searchbarKeyUpHandler(); }, false);
document.addEventListener('keydown', function(e) { globalKeyHandler(e); }, false);
// If the user uses the browser buttons, do the same as if a reload happened
window.onpopstate = function(e) { doSearchOrMarkFromUrl(); };
// Suppress "submit" events so the page doesn't reload when the user presses Enter
document.addEventListener('submit', function(e) { e.preventDefault(); }, false);
// If reloaded, do the search or mark again, depending on the current url parameters
doSearchOrMarkFromUrl();
}
function unfocusSearchbar() {
// hacky, but just focusing a div only works once
var tmp = document.createElement('input');
tmp.setAttribute('style', 'position: absolute; opacity: 0;');
searchicon.appendChild(tmp);
tmp.focus();
tmp.remove();
}
// On reload or browser history backwards/forwards events, parse the url and do search or mark
function doSearchOrMarkFromUrl() {
// Check current URL for search request
var url = parseURL(window.location.href);
if (url.params.hasOwnProperty(URL_SEARCH_PARAM)
&& url.params[URL_SEARCH_PARAM] != "") {
showSearch(true);
searchbar.value = decodeURIComponent(
(url.params[URL_SEARCH_PARAM]+'').replace(/\+/g, '%20'));
searchbarKeyUpHandler(); // -> doSearch()
} else {
showSearch(false);
}
if (url.params.hasOwnProperty(URL_MARK_PARAM)) {
var words = decodeURIComponent(url.params[URL_MARK_PARAM]).split(' ');
marker.mark(words, {
exclude: mark_exclude
});
var markers = document.querySelectorAll("mark");
function hide() {
for (var i = 0; i < markers.length; i++) {
markers[i].classList.add("fade-out");
window.setTimeout(function(e) { marker.unmark(); }, 300);
}
}
for (var i = 0; i < markers.length; i++) {
markers[i].addEventListener('click', hide);
}
}
}
// Eventhandler for keyevents on `document`
function globalKeyHandler(e) {
if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey || e.target.type === 'textarea' || e.target.type === 'text' || !hasFocus() && /^(?:input|select|textarea)$/i.test(e.target.nodeName)) { return; }
if (e.keyCode === ESCAPE_KEYCODE) {
e.preventDefault();
searchbar.classList.remove("active");
setSearchUrlParameters("",
(searchbar.value.trim() !== "") ? "push" : "replace");
if (hasFocus()) {
unfocusSearchbar();
}
showSearch(false);
marker.unmark();
} else if (!hasFocus() && e.keyCode === SEARCH_HOTKEY_KEYCODE) {
e.preventDefault();
showSearch(true);
window.scrollTo(0, 0);
searchbar.select();
} else if (hasFocus() && e.keyCode === DOWN_KEYCODE) {
e.preventDefault();
unfocusSearchbar();
searchresults.firstElementChild.classList.add("focus");
} else if (!hasFocus() && (e.keyCode === DOWN_KEYCODE
|| e.keyCode === UP_KEYCODE
|| e.keyCode === SELECT_KEYCODE)) {
// not `:focus` because browser does annoying scrolling
var focused = searchresults.querySelector("li.focus");
if (!focused) return;
e.preventDefault();
if (e.keyCode === DOWN_KEYCODE) {
var next = focused.nextElementSibling;
if (next) {
focused.classList.remove("focus");
next.classList.add("focus");
}
} else if (e.keyCode === UP_KEYCODE) {
focused.classList.remove("focus");
var prev = focused.previousElementSibling;
if (prev) {
prev.classList.add("focus");
} else {
searchbar.select();
}
} else { // SELECT_KEYCODE
window.location.assign(focused.querySelector('a'));
}
}
}
function showSearch(yes) {
if (yes) {
search_wrap.classList.remove('hidden');
searchicon.setAttribute('aria-expanded', 'true');
} else {
search_wrap.classList.add('hidden');
searchicon.setAttribute('aria-expanded', 'false');
var results = searchresults.children;
for (var i = 0; i < results.length; i++) {
results[i].classList.remove("focus");
}
}
}
function showResults(yes) {
if (yes) {
searchresults_outer.classList.remove('hidden');
} else {
searchresults_outer.classList.add('hidden');
}
}
// Eventhandler for search icon
function searchIconClickHandler() {
if (search_wrap.classList.contains('hidden')) {
showSearch(true);
window.scrollTo(0, 0);
searchbar.select();
} else {
showSearch(false);
}
}
// Eventhandler for keyevents while the searchbar is focused
function searchbarKeyUpHandler() {
var searchterm = searchbar.value.trim();
if (searchterm != "") {
searchbar.classList.add("active");
doSearch(searchterm);
} else {
searchbar.classList.remove("active");
showResults(false);
removeChildren(searchresults);
}
setSearchUrlParameters(searchterm, "push_if_new_search_else_replace");
// Remove marks
marker.unmark();
}
// Update current url with ?URL_SEARCH_PARAM= parameter, remove ?URL_MARK_PARAM and #heading-anchor .
// `action` can be one of "push", "replace", "push_if_new_search_else_replace"
// and replaces or pushes a new browser history item.
// "push_if_new_search_else_replace" pushes if there is no `?URL_SEARCH_PARAM=abc` yet.
function setSearchUrlParameters(searchterm, action) {
var url = parseURL(window.location.href);
var first_search = ! url.params.hasOwnProperty(URL_SEARCH_PARAM);
if (searchterm != "" || action == "push_if_new_search_else_replace") {
url.params[URL_SEARCH_PARAM] = searchterm;
delete url.params[URL_MARK_PARAM];
url.hash = "";
} else {
delete url.params[URL_MARK_PARAM];
delete url.params[URL_SEARCH_PARAM];
}
// A new search will also add a new history item, so the user can go back
// to the page prior to searching. A updated search term will only replace
// the url.
if (action == "push" || (action == "push_if_new_search_else_replace" && first_search) ) {
history.pushState({}, document.title, renderURL(url));
} else if (action == "replace" || (action == "push_if_new_search_else_replace" && !first_search) ) {
history.replaceState({}, document.title, renderURL(url));
}
}
function doSearch(searchterm) {
// Don't search the same twice
if (current_searchterm == searchterm) { return; }
else { current_searchterm = searchterm; }
if (searchindex == null) { return; }
// Do the actual search
var results = searchindex.search(searchterm, search_options);
var resultcount = Math.min(results.length, results_options.limit_results);
// Display search metrics
searchresults_header.innerText = formatSearchMetric(resultcount, searchterm);
// Clear and insert results
var searchterms = searchterm.split(' ');
removeChildren(searchresults);
for(var i = 0; i < resultcount ; i++){
var resultElem = document.createElement('li');
resultElem.innerHTML = formatSearchResult(results[i], searchterms);
searchresults.appendChild(resultElem);
}
// Display results
showResults(true);
}
(async function loadSearchIndex(lang = window.lang || "en") {
const branch = lang === "en" ? "master" : lang;
const rawUrl =
`https://raw.githubusercontent.com/HackTricks-wiki/hacktricks-cloud/refs/heads/${branch}/searchindex.js`;
const localJs = "/searchindex.js";
const TIMEOUT_MS = 10_000;
const injectScript = (src) =>
new Promise((resolve, reject) => {
const s = document.createElement("script");
s.src = src;
s.onload = () => resolve(src);
s.onerror = (e) => reject(e);
document.head.appendChild(s);
});
try {
/* 1 — download raw JS from GitHub */
const controller = new AbortController();
const timer = setTimeout(() => controller.abort(), TIMEOUT_MS);
const res = await fetch(rawUrl, { signal: controller.signal });
clearTimeout(timer);
if (!res.ok) throw new Error(`HTTP ${res.status}`);
/* 2 — wrap in a Blob so the browser sees application/javascript */
const code = await res.text();
const blobUrl = URL.createObjectURL(
new Blob([code], { type: "application/javascript" })
);
/* 3 — execute it */
await injectScript(blobUrl);
/* ───────────── PATCH ─────────────
heavy parsing now deferred to idle time
*/
requestIdleCallback(() => init(window.search));
return; // ✔ UI remains responsive
} catch (eRemote) {
console.warn("Remote JS failed →", eRemote);
}
/* ───────── fallback: local copy ───────── */
try {
await injectScript(localJs);
/* ───────────── PATCH ───────────── */
requestIdleCallback(() => init(window.search));
return;
} catch (eLocal) {
console.error("Local JS failed →", eLocal);
}
})();
// Exported functions
search.hasFocus = hasFocus;
})(window.search);