Each vite:beforeUpdate scheduled an unconditional setTimeout to reset the dev
status from "update" back to "ok" after 2s, but never stored or cleared the
handle. Rapid successive updates stacked independent timers; an earlier
update's timer firing while a later update was still showing would reset the
newer status line early (its guard only checked type === "update", which is
still true for the newer update).
Track the pending timer in a module-level variable, clear it at the top of
vite:beforeUpdate before scheduling a new one (so only the latest update's
timer is ever live), and clear it on vite:error (an error supersedes a pending
update->ok reset). Also unref() the timer so it doesn't hold the event loop
open; .unref is optional since the DOM number handle lacks it.
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Yunfei He
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