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Matthieu MALVACHE
22eda063fb
The badge hook was calling removeCurrentFavicons() — document.head
.querySelectorAll("link[rel~='icon']").forEach(l => l.remove()) —
which also removed the link that Next.js renders from app/icon.svg
and manages via its metadata reconciler. On the next render, React's
commit phase tried to remove the now-missing node and crashed with
"can't access property 'removeChild', finishedRoot.parentNode is
null".
Leave Next.js's icon alone. The hook now upserts its own link tagged
data-dynamic-favicon and cleans up only that one on unmount / count
returning to 0. Chromium picks the last matching rel="icon" link, so
the badge still appears there; other browsers fall back to the static
icon, which is an acceptable degradation.