/* SSR fallback: if Pylon/TipTap has not rendered the article body shortly
after load, reveal the server-rendered HTML so the page is never blank. */
(function () {
var FALLBACK_MS = 2500;
function target() { return document.getElementById('kb-article-body'); }
function hasRealContent() {
var t = target();
return !!t && [].some.call(t.children, function (c) {
return !c.hasAttribute('data-ssr-fallback') && c.textContent.trim().length > 0;
});
}
function revealFallback() {
var t = target();
var ph = document.querySelector('.kb-article-body-placeholder');
if (!t || !ph || hasRealContent() || t.querySelector('[data-ssr-fallback]')) return;
var pm = document.createElement('div');
pm.className = 'ProseMirror';
pm.setAttribute('data-ssr-fallback', '1');
pm.innerHTML = ph.innerHTML;
t.appendChild(pm);
t.style.display = 'block';
var sk = document.querySelector('.kb-article-body-skeleton');
if (sk) sk.style.display = 'none';
}
function dropFallbackIfHydrated() {
var t = target();
if (t && hasRealContent()) {
var f = t.querySelector('[data-ssr-fallback]');
if (f) f.remove();
}
}
function start() {
var t = target();
if (t && window.MutationObserver) {
new MutationObserver(dropFallbackIfHydrated).observe(t, { childList: true, subtree: true });
}
setTimeout(revealFallback, FALLBACK_MS);
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', start);
} else {
start();
}
})();
