source: Klonkt/src/views/shell.ejs@ c3ad46d

<%
// ── Helpers used inside this template ─────────────────────────────
function _e(s) {
  return String(s == null ? '' : s)
    .replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;').replace(/'/g, '&#39;');
}

const safeSite     = site || {};
const safeUrlBase  = (typeof siteUrlBase !== 'undefined' && siteUrlBase) ? siteUrlBase : '';
const safeAccent   = safeSite.accent && /^#[0-9a-fA-F]{6}$/.test(safeSite.accent) ? safeSite.accent : '#c2410c';
const lang         = safeSite.language || 'nl';
const ogLocale     = safeSite.og_locale || (lang === 'nl' ? 'nl_NL' : (lang.length === 2 ? lang + '_' + lang.toUpperCase() : 'en_US'));
const homePath     = safeUrlBase + '/';
const isPostPage   = bodyClass && bodyClass.indexOf('on-post')    >= 0;
const isHomePage   = bodyClass && bodyClass.indexOf('on-home')    >= 0;
const isSpecialPg  = bodyClass && bodyClass.indexOf('on-special') >= 0;
const isAdminPage  = bodyClass && bodyClass.indexOf('on-admin')   >= 0;

// ── <title> via site.title_template ──────────────────────────────
// Template: '{title} — {site}'. If pageTitle equals site.title (homepage) we
// just use the site title alone, otherwise apply the template.
const _siteTitle  = safeSite.title || 'Klonkt';
const _rawTitle   = pageTitle || _siteTitle;
const _tpl        = safeSite.title_template || '{title} — {site}';
const _finalTitle = (_rawTitle === _siteTitle)
  ? _siteTitle
  : _tpl.replace('{title}', _rawTitle).replace('{site}', _siteTitle);

// ── Robots: noindex on listing pages and on per-post override ─────
let _shouldIndex = safeSite.robots_index !== 0;
if (typeof post !== 'undefined' && post && post.noindex) _shouldIndex = false;
// Listing pages (search/tag/type/archive) shouldn't be indexed (dupe content)
if (currentPath) {
  if (/^\/(?:search|tag|type|archive|users|prutter|account|admin)(?:$|\/)/.test(currentPath)) {
    _shouldIndex = false;
  }
}
// Special-flagged views from routes opt out too
if (isSpecialPg && (currentPath === '/search' || /^\/(tag|type|archive|users)\//.test(currentPath))) {
  _shouldIndex = false;
}

// ── Canonical URL (only when we have one configured) ─────────────
let _canonical = null;
if (safeSite.canonical) {
  const _base = safeSite.canonical.replace(/\/+$/, '');
  let _path = '/';
  if (typeof post !== 'undefined' && post && post.slug) _path = '/' + post.slug;
  else if (currentPath) _path = currentPath;
  _canonical = _base + _path;
}

// ── Social bits (OG/Twitter) ──────────────────────────────────────
const _socialTitle = (typeof post !== 'undefined' && post && post.title) ? post.title : _siteTitle;
const _socialDescr = (typeof socialDescr !== 'undefined' && socialDescr)
  ? socialDescr
  : (safeSite.default_description || safeSite.description || '');
const _socialImage = (typeof socialImage !== 'undefined' && socialImage)
  ? socialImage
  : (safeSite.og_image_default || safeSite.default_cover || '');
const _ogType = isPostPage ? 'article' : 'website';

// ── JSON-LD ───────────────────────────────────────────────────────
const _publisher = {
  '@type': safeSite.schema_type === 'Organization' ? 'Organization' : 'Person',
  name: safeSite.publisher_name || _siteTitle,
  url:  safeSite.publisher_url  || (_canonical ? _canonical.split(/(?<=^[^/]*\/\/[^/]+)\//)[0] + '/' : null),
};
if (safeSite.publisher_logo) {
  _publisher.logo = { '@type': 'ImageObject', url: safeSite.publisher_logo };
}
let _jsonLd = null;
if (typeof post !== 'undefined' && post && post.slug) {
  _jsonLd = {
    '@context':    'https://schema.org',
    '@type':       (post.type === 'foto' || post.type === 'video') ? 'CreativeWork' : 'Article',
    headline:      post.title || _siteTitle,
    description:   _socialDescr,
    datePublished: post.published_at || post.created_at || new Date().toISOString(),
    dateModified:  post.updated_at   || post.published_at || new Date().toISOString(),
    publisher:     _publisher,
  };
  if (_socialImage) _jsonLd.image = _socialImage;
  if (post.author_username) _jsonLd.author = { '@type': 'Person', name: post.author_username };
  if (Array.isArray(post.tags) && post.tags.length) _jsonLd.keywords = post.tags.join(', ');
} else if (isHomePage) {
  _jsonLd = {
    '@context': 'https://schema.org',
    '@type':    'WebSite',
    name:       _siteTitle,
    description: safeSite.description || safeSite.default_description || '',
    publisher:  _publisher,
  };
}
%><!DOCTYPE html>
<html lang="<%= _e(lang) %>" data-palette="<%= _e(safeSite.palette || 'sage') %>">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover">
<meta name="color-scheme" content="dark light">

<title><%= _finalTitle %></title>
<meta name="description" content="<%= _e(_socialDescr) %>">
<meta name="theme-color" content="<%= _e(safeAccent) %>">
<meta name="robots" content="<%= _shouldIndex ? 'index,follow' : 'noindex,nofollow' %>">
<% if (safeSite.author) { %><meta name="author" content="<%= _e(safeSite.author) %>"><% } %>
<% if (_canonical) { %><link rel="canonical" href="<%= _e(_canonical) %>"><% } %>

<!-- Search-engine verification -->
<% if (safeSite.google_verification)    { %><meta name="google-site-verification" content="<%= _e(safeSite.google_verification) %>"><% } %>
<% if (safeSite.bing_verification)      { %><meta name="msvalidate.01" content="<%= _e(safeSite.bing_verification) %>"><% } %>
<% if (safeSite.pinterest_verification) { %><meta name="p:domain_verify" content="<%= _e(safeSite.pinterest_verification) %>"><% } %>
<% if (safeSite.yandex_verification)    { %><meta name="yandex-verification" content="<%= _e(safeSite.yandex_verification) %>"><% } %>

<!-- Feed autodiscovery -->
<% if (site) { %>
<link rel="alternate" type="application/rss+xml"  title="<%= _e(_siteTitle) %> — RSS"  href="<%= _e(safeUrlBase + '/feed.xml') %>">
<link rel="alternate" type="application/atom+xml" title="<%= _e(_siteTitle) %> — Atom" href="<%= _e(safeUrlBase + '/atom.xml') %>">
<% } %>

<!-- PWA -->
<link rel="manifest" href="<%= _e(safeUrlBase + '/manifest.webmanifest') %>">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="<%= _e(_siteTitle.slice(0, 16)) %>">
<link rel="apple-touch-icon" href="<%= _e(safeSite.profile_photo || '/favicon.ico') %>">
<link rel="icon" type="image/svg+xml" href="/favicon.svg?v=sf">
<link rel="alternate icon" href="/favicon.ico?v=sf">

<!-- OpenGraph -->
<meta property="og:type"        content="<%= _ogType %>">
<meta property="og:title"       content="<%= _e(_socialTitle) %>">
<meta property="og:description" content="<%= _e(_socialDescr) %>">
<meta property="og:site_name"   content="<%= _e(_siteTitle) %>">
<meta property="og:locale"      content="<%= _e(ogLocale) %>">
<% if (_socialImage) { %>
<meta property="og:image"     content="<%= _e(_socialImage) %>">
<meta property="og:image:alt" content="<%= _e(_socialTitle) %>">
<% } %>
<% if (_canonical) { %><meta property="og:url" content="<%= _e(_canonical) %>"><% } %>
<% if (typeof post !== 'undefined' && post && post.published_at) { %>
<meta property="article:published_time" content="<%= _e(post.published_at) %>">
<% if (post.author_username) { %><meta property="article:author" content="<%= _e(post.author_username) %>"><% } %>
<% } %>
<% if (safeSite.facebook_app_id) { %><meta property="fb:app_id" content="<%= _e(safeSite.facebook_app_id) %>"><% } %>

<!-- Twitter Cards -->
<meta name="twitter:card"        content="<%= _socialImage ? 'summary_large_image' : 'summary' %>">
<meta name="twitter:title"       content="<%= _e(_socialTitle) %>">
<meta name="twitter:description" content="<%= _e(_socialDescr) %>">
<% if (_socialImage)         { %><meta name="twitter:image"   content="<%= _e(_socialImage) %>"><% } %>
<% if (safeSite.twitter)     { %><meta name="twitter:creator" content="<%= _e(safeSite.twitter) %>"><meta name="twitter:site" content="<%= _e(safeSite.twitter) %>"><% } %>

<% if (_jsonLd) { %>
<script type="application/ld+json"><%- JSON.stringify(_jsonLd) %></script>
<% } %>

<!-- Self-hosted fonts (privacy-first) -->
<link rel="preload" href="/assets/fonts/literata-latin-opsz-normal.woff2" as="font" type="font/woff2" crossorigin>
<link rel="preload" href="/assets/fonts/fraunces-latin-full-normal.woff2" as="font" type="font/woff2" crossorigin>

<!-- v9 stylesheet (full palette system) -->
<link rel="stylesheet" href="/assets/css/style.css?v=7">

<!-- Audio player styles: loaded on every page so the mini-player works
     anywhere (admin previews, post embeds, etc). The player itself is
     a singleton — see the script tag near </body>. -->
<link rel="stylesheet" href="/assets/css/audio.css?v=5">
<!-- Eigen custom media-embeds (YouTube/SoundCloud/Spotify) in huisstijl. -->
<link rel="stylesheet" href="/assets/css/embed.css?v=3">

<%- include('partials/shared-styles') %>

<!-- v1 P55 — Inline the saved site accent. The base stylesheet only sets a
     fallback (#c2410c orange) and palette blocks don't define --accent at
     all, so without this override the saved accent never reaches the page.
     :root + [data-palette] hits both unscoped and palette-scoped variants;
     source-order wins on equal specificity, and this comes after style.css. -->
<style id="pcms-site-accent">
  :root,
  [data-palette] {
    --accent: <%= _e(safeAccent) %>;
    --accent-soft: color-mix(in srgb, <%= _e(safeAccent) %> 80%, white);
    --accent-tint: color-mix(in srgb, <%= _e(safeAccent) %> 12%, transparent);
  }
</style>

<!-- Per-site custom CSS injection -->
<% if (safeSite.custom_css) { %>
<style id="pcms-custom-css"><%- safeSite.custom_css %></style>
<% } %>

<!-- Apply theme ASAP, before paint. Precedence (first match wins):
     1. localStorage override (visitor toggled earlier on this browser)
     2. Site default (theme_override + palette) — what new visitors see
     3. Device prefers-color-scheme (only if site default is empty/auto)
     4. 'dark' as last-ditch fallback
     Note: PALETTE never has a localStorage layer anymore. There's no UI for
     visitors to pick a palette, so any cached pcms-palette is stale data
     from old code paths and gets cleaned up here. Site default always wins
     for palette. -->
<script>
  (function() {
    try {
      var siteDefault   = '<%= safeSite.theme_override || "" %>';
      var sitePalette   = '<%= safeSite.palette || "sage" %>';

      // One-time cleanup: drop the orphan pcms-palette key set by P43-P57
      // bootstrap. After this it never re-appears because nothing writes it.
      try { localStorage.removeItem('pcms-palette'); } catch(_) {}

      // Theme: localStorage > site override > device pref > dark
      var storedTheme = null;
      try { storedTheme = localStorage.getItem('pcms-theme'); } catch(_) {}
      var deviceDark = window.matchMedia &&
                       window.matchMedia('(prefers-color-scheme: dark)').matches;
      var t = storedTheme
           || siteDefault
           || (deviceDark ? 'dark' : 'light');

      // Palette: site default only.
      document.documentElement.setAttribute('data-theme', t);
      document.documentElement.setAttribute('data-palette', sitePalette);
    } catch(e) {
      document.documentElement.setAttribute('data-theme', 'dark');
    }
  })();
</script>

<!-- HTMX — bundled locally from node_modules at boot, zero third-party requests -->
<script src="/assets/js/htmx.min.js"></script>

<!-- Per-site custom <head> HTML (analytics, verification, etc.) -->
<% if (safeSite.custom_head_html) { %>
<%- safeSite.custom_head_html %>
<% } %>
</head>

<body class="<%= bodyClass || 'on-home' %> has-bottom-tab" data-feed-view="<%= _e(safeSite.feed_view_default || 'timeline') %>" data-grid-cols="3" data-site-base="<%= _e((typeof siteUrlBase !== 'undefined' && siteUrlBase) ? siteUrlBase : '') %>">

<% if (typeof isViewer !== 'undefined' && isViewer) { %>
  <div class="viewer-banner" role="status">
    <span class="viewer-banner-ico" aria-hidden="true">👁️</span>
    <span class="viewer-banner-text"><strong>Kijker-modus</strong> — je kunt alles bekijken, maar niets wijzigen.</span>
  </div>
  <style>
    .viewer-banner {
      position: sticky; top: 0; z-index: 60;
      display: flex; align-items: center; justify-content: center; gap: 0.5rem;
      padding: 0.5rem 1rem;
      background: linear-gradient(90deg,
        color-mix(in srgb, var(--accent) 88%, #000) 0%,
        var(--accent) 100%);
      color: #fff;
      font-size: 0.85rem; line-height: 1.3;
      box-shadow: 0 1px 6px color-mix(in srgb, var(--accent) 45%, transparent);
    }
    .viewer-banner-ico { font-size: 1rem; }
    .viewer-banner-text strong { font-weight: 700; }
  </style>
<% } %>

<%# Site-chrome (topnav + profielkop + view-switcher) in één vaste slot #pcms-chrome.
    Bij htmx-navigatie wordt dit slot out-of-band ververst (zie chrome.ejs +
    render.js), zodat de kop ALTIJD bij de nieuwe pagina/artiest hoort terwijl de
    audioplayer (los in document.body) blijft leven → geen verspringen. Op de
    hub-landing is het slot leeg: de hero is daar de header. %>
<%- include('partials/chrome') %>

<%# hx-history-elt scopes HTMX history snapshots to #pcms-main only, so
    when the user navigates back the switcher (which lives in the shell
    OUTSIDE this element) keeps its place rather than being replaced
    along with the rest of the body. %>
<main id="pcms-main" class="pcms-main" hx-history-elt>
  <div id="pcms-loading" class="pcms-loading" aria-hidden="true"></div>
  <%- pageContent %>
</main>

<%- include('partials/footer') %>

<!-- Mobile bottom-tab navigation (auto-hidden ≥768px). Toont overal — óók op de
     hub-landing (zodat mobiel altijd Home/Zoek/Inloggen heeft) — behalve op de
     auth-focusschermen. -->
<% if (!(typeof bodyClass === 'string' && bodyClass.indexOf('on-auth') >= 0)) { %>
<%- include('partials/bottom-tab') %>
<% } %>

<!-- Mobile profile sheet (auto-hidden ≥768px; only rendered when logged in) -->
<% if (user) { %>
<%- include('partials/profile-sheet') %>
<% } %>

<!-- Audio player: load on every page (admin + public) so window.pcmsAudioPlayer
     is always available. The PCMS_SITE_TRACKS bootstrap is still gated on
     enable_audio_player since it's a public-page concept (auto-discovered
     tracks from rendered post embeds).

     ?v=N — cache-buster: bump bij elke audio-player.js wijziging zodat
     Cloudflare (max-age=1y) niet de oude versie blijft serveren. -->
<script src="/assets/js/audio-player.js?v=15"></script>
<!-- Eigen custom media-embeds (YouTube/SoundCloud/Spotify) via de echte
     player-API's + gedeelde mutual-exclusion registry met de site-speler. -->
<script src="/assets/js/embed-player.js?v=4" defer></script>
<% if (site && site.enable_audio_player && audioTracks && audioTracks.length > 0) { %>
  <script>window.PCMS_SITE_TRACKS = <%- JSON.stringify(audioTracks) %>;</script>
<% } %>

<!-- Install-app button: detects platform + shows install instructions modal -->
<script src="/assets/js/install-app.js?v=2" defer></script>

<!-- Service Worker registration -->
<script>
  if ('serviceWorker' in navigator) {
    navigator.serviceWorker.register('/sw.js').catch(() => {});
  }
</script>

<!-- HTMX navigation: keep body class in sync with the swapped page.
     The server emits HX-Trigger-After-Settle: { pcmsNav: { bodyClass } } via
     renderPage() in middleware/render.js. Without this listener the body
     class stays whatever the initial page-load set, so the profile-header
     never collapses/expands when navigating home → post → home via HTMX. -->
<script>
(function() {
  // The set of mutually-exclusive page-context body classes. When pcmsNav
  // fires we strip ALL of these and apply just the one the server told us.
  var PAGE_CLASSES = ['on-home','on-post','on-special','on-archive','on-search','on-admin'];

  document.body.addEventListener('pcmsNav', function(ev) {
    var d = ev.detail || {};
    // Per-site accent + palette bijwerken (head wordt niet mee-geswapt bij htmx-nav,
    // dus zonder dit erft een artiest de kleuren van de vorige pagina).
    if (d.accent && /^#[0-9a-fA-F]{6}$/.test(d.accent)) {
      var sa = document.getElementById('pcms-site-accent');
      if (sa) {
        sa.textContent =
          ':root,[data-palette]{--accent:' + d.accent +
          ';--accent-soft:color-mix(in srgb,' + d.accent + ' 80%,white)' +
          ';--accent-tint:color-mix(in srgb,' + d.accent + ' 12%,transparent);}';
      }
    }
    if (d.palette && /^[a-z0-9-]+$/i.test(d.palette)) {
      document.documentElement.setAttribute('data-palette', d.palette);
    }

    var next = d.bodyClass;
    if (!next) return;
    // Server may send a multi-class string ("on-post extra"). Only the first
    // page-class is what we care about — strip and replace.
    var firstClass = String(next).split(/\s+/).find(function(c) {
      return PAGE_CLASSES.indexOf(c) >= 0;
    });
    if (!firstClass) return;
    PAGE_CLASSES.forEach(function(c) { document.body.classList.remove(c); });
    document.body.classList.add(firstClass);
  });
})();
</script>

<!-- View switcher + grid-cols persistence (event delegation: works for switcher
     elements rendered later by HTMX, e.g. when navigating back to home). -->
<script>
(function() {
  var body = document.body;
  // Restore feed view + grid cols from localStorage (overrides server default)
  try {
    var v = localStorage.getItem('pcms-feed-view');
    if (v === 'timeline' || v === 'grid') body.dataset.feedView = v;
    var c = parseInt(localStorage.getItem('pcms-grid-cols'), 10);
    if (c === 2 || c === 3 || c === 4) body.dataset.gridCols = String(c);
  } catch (e) {}

  function syncAria() {
    document.querySelectorAll('.view-switch-btn').forEach(function(b) {
      b.setAttribute('aria-selected', b.dataset.view === body.dataset.feedView ? 'true' : 'false');
    });
    document.querySelectorAll('.grid-cols-btn').forEach(function(b) {
      b.classList.toggle('is-active', b.dataset.cols === body.dataset.gridCols);
    });
  }
  syncAria();
  // Re-sync after HTMX brings in new content (e.g. navigating back to home)
  document.body.addEventListener('htmx:afterSettle', syncAria);

  // Pages where the body actually has a feed to toggle. On these the
  // click stays put — it just flips body[data-feed-view] and CSS does
  // the rest. Anywhere else (post detail, account, search, auth) we
  // navigate to home in the chosen view, so the switcher is never
  // a dead control.
  // NB: 'on-archive' staat hier bewust NIET tussen — op het archief is er geen
  // in-place timeline/grid-toggle; een klik op de switcher springt terug naar de
  // feed in de gekozen weergave (zie de !isFeedPage()-tak hieronder).
  var FEED_PAGE_CLASSES = ['on-home', 'on-tag', 'on-type', 'on-user', 'on-cirkel'];
  function isFeedPage() {
    for (var i = 0; i < FEED_PAGE_CLASSES.length; i++) {
      if (body.classList.contains(FEED_PAGE_CLASSES[i])) return true;
    }
    return false;
  }

  // Event delegation — single listener handles current and future buttons.
  document.addEventListener('click', function(e) {
    var sw = e.target.closest('.view-switch-btn');
    if (sw) {
      var view = sw.dataset.view;
      body.dataset.feedView = view;
      try { localStorage.setItem('pcms-feed-view', view); } catch(_) {}
      syncAria();
      // On non-feed pages the switcher acts as a navigation: take the
      // user back to home in the chosen view. Use HTMX if available so
      // the page transition matches the rest of the site's nav.
      if (!isFeedPage()) {
        // Naar de SITE-home in de gekozen view (siteUrlBase), niet de globale '/'
        // — in hub is '/' de hub-overview, niet de tijdlijn van deze artiest.
        var base = body.dataset.siteBase || '';
        if (window.htmx) {
          window.htmx.ajax('GET', base + '/?partial=1', { target: '#pcms-main', swap: 'innerHTML' });
          history.pushState({}, '', base + '/');
        } else {
          location.href = base + '/';
        }
      }
      return;
    }
    var gc = e.target.closest('.grid-cols-btn');
    if (gc) {
      body.dataset.gridCols = gc.dataset.cols;
      try { localStorage.setItem('pcms-grid-cols', gc.dataset.cols); } catch(_) {}
      syncAria();
    }
  });
})();
</script>

<!-- Globale link-boost: alle interne navigatie-links lopen via htmx in #pcms-main,
     zodat de audioplayer (los in document.body) blijft spelen i.p.v. te verspringen
     bij een full page-load. Werkt overal — Beheer, Account, posts, sites — zonder
     elke link los htmx te maken. Links die écht een volledige load nodig hebben
     (uitloggen/auth, downloads, feeds, media, assets, bestanden) worden overgeslagen,
     net als links die al hun eigen hx-* hebben. -->
<script>
(function () {
  if (!window.htmx) return;
  // Back/forward moet her-ophalen, zodat de OOB-site-chrome (kop) meekomt met de
  // herstelde pagina — htmx' snapshot-cache zou anders een stale kop tonen.
  try { window.htmx.config.historyCacheSize = 0; } catch (_) {}

  function fullLoad(a, url) {
    if (a.hasAttribute('download') || a.hasAttribute('data-full-load')) return true;
    if (a.hasAttribute('hx-get') || a.hasAttribute('hx-post') || a.hasAttribute('hx-boost')) return true;
    if (a.target && a.target !== '_self') return true;
    if (a.getAttribute('rel') === 'external') return true;
    var p = url.pathname;
    // Sessie/security/oauth → volledige navigatie (cookies, redirects).
    if (/^\/(logout|login|auth|oauth)(?:\/|$)/.test(p)) return true;
    // Feeds, PWA, service-worker, statics, media-streams, downloads.
    if (/^\/(feed|atom|sitemap|manifest|robots|sw\.js|assets|media|audio|uploads)(?:\/|\.|$)/.test(p)) return true;
    if (/\.[a-z0-9]{2,5}$/i.test(p)) return true; // bestandsextensie → laat de browser 't halen
    return false;
  }

  var lastPath = location.pathname + location.search;

  document.addEventListener('click', function (e) {
    if (e.defaultPrevented || e.button !== 0 || e.metaKey || e.ctrlKey || e.shiftKey || e.altKey) return;
    var a = e.target.closest('a[href]');
    if (!a) return;
    var href = a.getAttribute('href');
    if (!href || href.charAt(0) === '#') return;
    var url; try { url = new URL(a.href, location.href); } catch (_) { return; }
    if (url.origin !== location.origin) return;
    if (fullLoad(a, url)) return;
    e.preventDefault();
    var dest = url.pathname + url.search;
    if (dest !== lastPath) history.pushState({ b: 1 }, '', dest);
    lastPath = dest;
    window.htmx.ajax('GET', dest, { target: '#pcms-main', swap: 'innerHTML' });
    try { window.scrollTo(0, 0); } catch (_) {}
  });

  window.addEventListener('popstate', function () {
    var here = location.pathname + location.search;
    if (here === lastPath) return;
    lastPath = here;
    window.htmx.ajax('GET', here, { target: '#pcms-main', swap: 'innerHTML' });
  });
})();
</script>

<!-- PWA install prompt — show button when browser fires beforeinstallprompt -->
<script>
(function() {
  var btn = document.getElementById('pwa-install-btn');
  if (!btn) return;
  var deferred = null;
  window.addEventListener('beforeinstallprompt', function(e) {
    e.preventDefault();
    deferred = e;
    btn.hidden = false;
  });
  btn.addEventListener('click', async function() {
    if (!deferred) return;
    btn.hidden = true;
    deferred.prompt();
    try { await deferred.userChoice; } catch(e) {}
    deferred = null;
  });
  window.addEventListener('appinstalled', function() {
    btn.hidden = true;
    deferred = null;
  });
})();
</script>

<!-- Per-site custom footer HTML -->
<% if (safeSite.custom_foot_html) { %>
<%- safeSite.custom_foot_html %>
<% } %>

</body>
</html>