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package generator
// navDefs is appended to every theme template when parsing.
// It defines named sub-templates shared across all themes:
// - "splashGate" — synchronous script: first child of <body>; sets html.sno-splash-skip when
// splash should not run (?splash=0, not index path, or Referer from same-site index/pageN).
// - "navhints" — keyboard shortcut hint bar HTML
// - "navSharedCSSInner" — shared CSS (injected inside each theme’s <style> in <head>)
// - "navmodal" — full-screen expanded-post modal HTML (no <style>; CSS lives in head)
// - "navscript" — keyboard navigation + Web Audio; splash/nav/modal sounds from themeSoundsJSON (per theme)
//
// Each theme ends its <style> with {{template "navSharedCSSInner"}} then calls
// {{template "splashGate"}}, {{template "navhints" .}}, {{template "navmodal" .}},
// and {{template "navscript" .}} at the appropriate points in its HTML.
// All theme-specific CSS lives in each theme file so themes stay self-contained.
const navDefs = `
{{define "splashGate"}}
<script>
(function(){
try {
var sp = new URLSearchParams(location.search);
if (sp.get('splash') === '0') {
document.documentElement.classList.add('sno-splash-skip');
return;
}
} catch (_) {}
try {
if (/^#post-/.test(location.hash)) {
document.documentElement.classList.add('sno-splash-skip');
return;
}
} catch (_) {}
function isIndexLikePath(pathname) {
var p = pathname || '/';
if (p === '' || p === '/') return true;
var parts = p.split('/').filter(function(s) { return s.length; });
if (parts.length === 0) return true;
var last = parts[parts.length - 1].toLowerCase();
if (last === 'index.html' || last === 'index.htm') return true;
if (p.endsWith('/') && parts.length === 1) return true;
return false;
}
var onIndex = isIndexLikePath(location.pathname);
var ref = document.referrer;
function refIsSameSiteBlogPage(url) {
if (!url) return false;
try {
var ru = new URL(url), cu = new URL(location.href);
if (ru.origin !== cu.origin) return false;
if (isIndexLikePath(ru.pathname)) return true;
var rp = ru.pathname.split('/').filter(function(s) { return s.length; });
var rs = (rp.length ? rp[rp.length - 1] : '').toLowerCase();
return /^page\d+\.html$/.test(rs);
} catch (_) { return false; }
}
if (!onIndex || refIsSameSiteBlogPage(ref)) document.documentElement.classList.add('sno-splash-skip');
})();
</script>
{{end}}
{{define "navhints"}}
<div class="nav-hints" role="region" aria-label="Keyboard shortcuts">
<span><kbd>j</kbd><kbd>k</kbd> or <kbd>↑</kbd><kbd>↓</kbd> select post</span>
<span><kbd>PgUp</kbd><kbd>PgDn</kbd> scroll</span>
<span><kbd>Enter</kbd> or click post to expand</span>
<span><kbd>Esc</kbd> close</span>
<span><kbd>h</kbd><kbd>l</kbd> or <kbd>←</kbd><kbd>→</kbd> change page</span>
</div>
{{end}}
{{define "navSharedCSSInner"}}
/* Thumbnail sizing in list view; modal overrides to full width. */
.post-image { max-height:220px; max-width:100%; object-fit:cover; cursor:pointer; }
#post-modal .post-image { max-height:none; width:100%; max-width:100%; object-fit:contain; cursor:default; }
/* Semi-transparent modal backdrop so the WebGL scene stays visible behind
the expanded post. Theme-specific modal-inner keeps its own background. */
.post-modal { background:rgba(0,0,0,0.55) !important; backdrop-filter:blur(6px) !important; }
#post-modal.active { display:flex !important; align-items:center; justify-content:center; }
#post-modal .modal-inner { width:fit-content; max-width:min(100%, 90vw); max-height:calc(100vh - 80px); overflow:auto; margin:0 auto !important; }
/* Content area max-width across all themes */
.overlay { max-width:1200px; margin-left:auto; margin-right:auto; }
/* Pagination: newer + older in a footer bar (below scrollable posts, like the header) */
.page-nav-dual { display:flex; justify-content:center; align-items:center; flex-wrap:wrap;
gap:clamp(16px,4vw,48px); }
/* Flex column layout: let #post-content shrink so overflow-y scrolls; footer stays visible */
#post-content.content { min-height:0; }
.page-nav-footer { flex-shrink:0; width:100%; box-sizing:border-box; }
.page-nav-footer .page-nav { margin:0; }
/* ~Half-height footer bar vs default .page-nav padding */
.page-nav-footer .page-nav a { padding-top:4px; padding-bottom:4px; }
/* Host note under the site subtitle (all themes) */
.logo-host { font-size:0.65rem; opacity:0.55; margin-top:4px; letter-spacing:0.3px; line-height:1.3; }
/* Atom feed link in header (paired with transmit in .nav) */
.nav { display:flex; align-items:center; gap:clamp(10px,2.2vw,20px); flex-wrap:wrap; justify-content:flex-end; }
a.header-feed-link { font-size:0.8rem; text-decoration:none; opacity:0.82; letter-spacing:0.04em; white-space:nowrap; }
a.header-feed-link:hover { opacity:1; text-decoration:underline; }
/* Header logo/title can reopen the splash overlay. */
.logo-mark, .logo-title h1, #sn-logo { cursor:pointer; }
/* Full-viewport splash (theme-specific colours/animation on each .splash-THEMENAME) */
#splash-overlay { position:fixed; inset:0; z-index:2000; display:flex; flex-direction:column; align-items:center;
justify-content:center; text-align:center; padding:max(16px,4vw); box-sizing:border-box; cursor:pointer;
transition:opacity .55s ease, visibility .55s ease, transform .55s ease; }
#splash-overlay.splash--dismissed { opacity:0 !important; visibility:hidden !important;
pointer-events:none !important; transform:scale(1.02); }
#splash-overlay:focus { outline:2px solid rgba(255,255,255,0.35); outline-offset:4px; }
/* Vignette over WebGL so 3D motion does not overpower the edges */
#splash-overlay::before { content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
background: radial-gradient(ellipse 92% 82% at 50% 42%, rgba(0,0,0,0) 32%, rgba(0,0,0,0.26) 68%, rgba(0,0,0,0.48) 100%); }
.splash-title { font-weight:700; letter-spacing:0.06em; line-height:1.15; }
.splash-tag { margin-top:0.35rem; font-size:0.76rem; letter-spacing:0.2em; text-transform:uppercase; }
.splash-hint { margin-top:1.25rem; font-size:0.72rem; letter-spacing:0.12em; }
#splash-overlay .splash-gl-canvas { position:absolute; inset:0; width:100%; height:100%; display:block; z-index:0; pointer-events:none; }
/* Frosted panel so title/tag/hint stay readable over busy shaders */
#splash-overlay .splash-inner { position:relative; z-index:2; max-width:min(520px,92vw);
padding: clamp(1.15rem, 3.2vw, 1.75rem) clamp(1.3rem, 3.8vw, 1.95rem); border-radius:14px;
background: rgba(0, 0, 0, 0.58); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
box-shadow: 0 14px 44px rgba(0, 0, 0, 0.58), inset 0 1px 0 rgba(255, 255, 255, 0.07); }
#splash-overlay.splash-brutalist .splash-inner.splash-frame {
padding: clamp(1.4rem, 4.5vw, 2.25rem) clamp(1.1rem, 3.5vw, 1.9rem); background: rgba(0, 0, 0, 0.78); }
html.sno-splash-skip #splash-overlay { display:none !important; visibility:hidden !important; pointer-events:none !important; }
/* Images embedded in markdown posts */
.post-text img { max-width:100%; max-height:320px; object-fit:contain; border-radius:6px; cursor:pointer; }
#post-modal .post-text img, #modal-content img { max-height:none; cursor:default; }
/* Markdown post typography: restore spacing stripped by the global reset */
.post-text p { margin:0.65em 0; }
.post-text ul, .post-text ol { margin:0.65em 0; padding-left:1.8em; }
.post-text li { margin:0.3em 0; }
.post-text p:first-child { margin-top:0; }
.post-text p:last-child, .post-text ul:last-child, .post-text ol:last-child { margin-bottom:0; }
{{end}}
{{define "navmodal"}}
<div class="post-modal" id="post-modal" role="dialog" aria-modal="true" aria-label="Expanded post">
<div class="modal-inner">
<button class="modal-close" onclick="closeModal()">[ ESC ] CLOSE</button>
<div id="modal-content"></div>
</div>
</div>
{{end}}
{{define "navscript"}}
<script>
const SNONUX_SOUNDS = {{.ThemeSoundsJSON}};
function snonuxWaveType(w) {
if (w === 'square') return 'square';
if (w === 'triangle') return 'triangle';
return 'sine';
}
(function splashSetup() {
var el = document.getElementById('splash-overlay');
if (!el) return;
var splashAudioCtx = null;
var splashChimePlayed = false;
function playSplashChime() {
if (splashChimePlayed) return;
try {
if (!splashAudioCtx) {
splashAudioCtx = new (window.AudioContext || window.webkitAudioContext)();
}
var ctx = splashAudioCtx;
function ring() {
splashChimePlayed = true;
var now = ctx.currentTime;
var sp = SNONUX_SOUNDS.splash;
var freqs = sp.freqs;
var spacing = sp.spacing != null ? sp.spacing : 0.075;
var gainAm = sp.gain != null ? sp.gain : 0.1;
var wave = snonuxWaveType(sp.wave);
var i, osc, g, t0;
for (i = 0; i < freqs.length; i++) {
osc = ctx.createOscillator();
g = ctx.createGain();
osc.connect(g);
g.connect(ctx.destination);
osc.type = wave;
osc.frequency.value = freqs[i];
t0 = now + i * spacing;
g.gain.setValueAtTime(0, t0);
g.gain.linearRampToValueAtTime(gainAm, t0 + 0.028);
g.gain.exponentialRampToValueAtTime(0.001, t0 + 0.52);
osc.start(t0);
osc.stop(t0 + 0.55);
}
}
ctx.resume().then(ring).catch(function() {});
} catch (_) {}
}
function dismiss() {
if (el.classList.contains('splash--dismissed')) return;
el.classList.add('splash--dismissed');
el.setAttribute('aria-hidden', 'true');
}
function show() {
document.documentElement.classList.remove('sno-splash-skip');
el.classList.remove('splash--dismissed');
el.removeAttribute('aria-hidden');
el.focus({ preventScroll: true });
}
function openSplashFromHeader(e) {
if (e.target.closest('a')) return;
e.preventDefault();
var modal = document.getElementById('post-modal');
if (modal) modal.classList.remove('active');
show();
}
var triggers = document.querySelectorAll('.logo-mark, .logo-title h1, #sn-logo');
triggers.forEach(function(trigger) {
trigger.addEventListener('click', openSplashFromHeader);
});
window._snonuxDismissSplash = dismiss;
window._snonuxShowSplash = show;
if (document.documentElement.classList.contains('sno-splash-skip')) {
dismiss();
return;
}
playSplashChime();
el.addEventListener('pointerdown', function() { playSplashChime(); }, { passive: true });
el.addEventListener('click', function(e) { e.preventDefault(); dismiss(); });
el.focus({ preventScroll: true });
})();
// === KEYBOARD NAVIGATION ===
// j / ArrowDown → next post k / ArrowUp → previous post
// h / ArrowLeft → previous page l / ArrowRight → next page
// PageUp/PageDown → scroll the post list; re-highlight post at top of visible area
// Enter / click post → expand modal Esc → close modal
const posts = document.querySelectorAll('.post');
let currentIndex = posts.length > 0 ? 0 : -1;
const prevPageURL = {{.PrevPageJSON}};
const nextPageURL = {{.NextPageJSON}};
if (currentIndex >= 0) selectPost(0);
function setActiveHighlight(index, playSound, scrollIntoView) {
if (posts.length === 0) return;
if (currentIndex >= 0) posts[currentIndex].classList.remove('post-active');
currentIndex = Math.max(0, Math.min(index, posts.length - 1));
posts[currentIndex].classList.add('post-active');
if (scrollIntoView) {
posts[currentIndex].scrollIntoView({ behavior: 'smooth', block: 'nearest' });
}
if (playSound) playNavSound();
}
function selectPost(index) {
setActiveHighlight(index, true, true);
}
/** Pick the post that should be active for the current viewport (anchor near top of visible area). */
function activeIndexForVisibleRegion(sc) {
if (posts.length === 0) return -1;
var scrTop, scrBot, anchorY;
if (sc) {
var scr = sc.getBoundingClientRect();
scrTop = scr.top;
scrBot = scr.bottom;
anchorY = scr.top + Math.min(scr.height * 0.18, 100);
} else {
scrTop = 0;
scrBot = window.innerHeight;
anchorY = window.innerHeight * 0.15;
}
var i, pr;
for (i = 0; i < posts.length; i++) {
pr = posts[i].getBoundingClientRect();
if (pr.top <= anchorY && anchorY < pr.bottom) return i;
}
for (i = 0; i < posts.length; i++) {
pr = posts[i].getBoundingClientRect();
if (pr.bottom > scrTop && pr.top < scrBot) return i;
}
return posts.length - 1;
}
function playNavSound() {
try {
var n = SNONUX_SOUNDS.nav;
const ctx = new (window.AudioContext || window.webkitAudioContext)();
const osc = ctx.createOscillator();
const gain = ctx.createGain();
osc.connect(gain); gain.connect(ctx.destination);
osc.frequency.value = n.freq;
osc.type = snonuxWaveType(n.wave);
var dur = n.dur != null ? n.dur : 0.08;
var g = n.gain != null ? n.gain : 0.12;
gain.gain.setValueAtTime(g, ctx.currentTime);
gain.gain.exponentialRampToValueAtTime(0.001, ctx.currentTime + dur);
osc.start(ctx.currentTime); osc.stop(ctx.currentTime + dur + 0.02);
} catch (_) {}
}
function playOpenSound() {
try {
var o = SNONUX_SOUNDS.open;
const ctx = new (window.AudioContext || window.webkitAudioContext)();
const osc = ctx.createOscillator();
const gain = ctx.createGain();
osc.connect(gain); gain.connect(ctx.destination);
osc.type = snonuxWaveType(o.wave);
var dur = o.dur != null ? o.dur : 0.14;
var g = o.gain != null ? o.gain : 0.1;
osc.frequency.setValueAtTime(o.start, ctx.currentTime);
osc.frequency.exponentialRampToValueAtTime(o.end, ctx.currentTime + dur);
gain.gain.setValueAtTime(g, ctx.currentTime);
gain.gain.exponentialRampToValueAtTime(0.001, ctx.currentTime + dur + 0.06);
osc.start(ctx.currentTime); osc.stop(ctx.currentTime + dur + 0.07);
} catch (_) {}
}
function playCloseSound() {
try {
var c = SNONUX_SOUNDS.close;
const ctx = new (window.AudioContext || window.webkitAudioContext)();
const osc = ctx.createOscillator();
const gain = ctx.createGain();
osc.connect(gain); gain.connect(ctx.destination);
osc.type = snonuxWaveType(c.wave);
var dur = c.dur != null ? c.dur : 0.15;
var g = c.gain != null ? c.gain : 0.1;
osc.frequency.setValueAtTime(c.start, ctx.currentTime);
osc.frequency.exponentialRampToValueAtTime(c.end, ctx.currentTime + dur);
gain.gain.setValueAtTime(g, ctx.currentTime);
gain.gain.exponentialRampToValueAtTime(0.001, ctx.currentTime + dur + 0.05);
osc.start(ctx.currentTime); osc.stop(ctx.currentTime + dur + 0.06);
} catch (_) {}
}
function openPostAt(index, scrollIntoView) {
if (posts.length === 0) return;
setActiveHighlight(index, false, !!scrollIntoView);
var post = posts[currentIndex];
var postText = post ? post.querySelector('.post-text') : null;
if (!postText) return;
var modal = document.getElementById('post-modal');
var modalInner = modal ? modal.querySelector('.modal-inner') : null;
document.getElementById('modal-content').innerHTML = postText.innerHTML;
modal.classList.add('active');
modal.scrollTop = 0;
if (modalInner) {
modalInner.scrollTop = 0;
requestAnimationFrame(function() {
modalInner.scrollIntoView({ block: 'center', inline: 'nearest' });
});
}
playOpenSound();
}
function closeModal() {
document.getElementById('post-modal').classList.remove('active');
playCloseSound();
}
(function postClickOpen() {
posts.forEach(function(post, idx) {
post.addEventListener('click', function(e) {
if (e.target.closest('a, button, audio, video, input, textarea, select, label')) return;
openPostAt(idx, true);
});
});
})();
(function deepLinkFromHash() {
var h = location.hash;
if (!h || h.indexOf('#post-') !== 0) return;
var id = decodeURIComponent(h.slice(6));
var el = document.getElementById('post-' + id);
if (!el) return;
var idx = parseInt(el.getAttribute('data-index'), 10);
if (isNaN(idx)) return;
openPostAt(idx, true);
})();
document.addEventListener('keydown', function(e) {
if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
var splash = document.getElementById('splash-overlay');
if (splash && !splash.classList.contains('splash--dismissed')) {
if (e.key === 'Enter' || e.key === ' ' || e.key === 'Escape') {
e.preventDefault();
if (window._snonuxDismissSplash) window._snonuxDismissSplash();
}
return;
}
if (document.getElementById('post-modal').classList.contains('active')) {
if (e.key === 'Escape') { closeModal(); e.preventDefault(); }
return;
}
switch (e.key) {
case 'PageUp':
case 'PageDown': {
var sc = document.getElementById('post-content');
var step = (sc && sc.clientHeight) ? sc.clientHeight : window.innerHeight;
var dy = (e.key === 'PageUp') ? -step : step;
if (sc) {
sc.scrollTop += dy;
} else {
window.scrollBy(0, dy);
}
var idx = activeIndexForVisibleRegion(sc);
if (idx >= 0) setActiveHighlight(idx, true, false);
e.preventDefault();
break;
}
case 'j': case 'ArrowDown': selectPost(currentIndex + 1); e.preventDefault(); break;
case 'k': case 'ArrowUp': selectPost(currentIndex - 1); e.preventDefault(); break;
case 'h': case 'ArrowLeft':
if (prevPageURL) { playNavSound(); window.location.href = prevPageURL; }
e.preventDefault(); break;
case 'l': case 'ArrowRight':
if (nextPageURL) { playNavSound(); window.location.href = nextPageURL; }
e.preventDefault(); break;
case 'Enter': openPostAt(currentIndex, true); e.preventDefault(); break;
}
});
</script>
{{end}}
`
|
