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fix: optimize serve/sourcemap startup from >180s to ~8s

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Root cause: notify-debouncer-full with macos_kqueue caused 25K+
directory watch registrations to take >170s on large projects.

Changes:
- Replace notify-debouncer-full with notify-debouncer-mini to avoid
  FSEvents Create+Remove event cancellation and heavy per-watch overhead
- Remove macos_kqueue feature; use FSEvents (matches upstream Rojo)
- Fix VFS read guard: watch_enabled && watch_recursive -> watch_enabled
  so recording mechanism works when watch_recursive is false
- Build RefPathIndex from patch_apply data instead of redundant 4.8s
  WalkDir + 5,854 file re-reads (populate_from_dir)
- Use ServeSession::new_oneshot() for sourcemap without --watch
- Restore simple synchronous watch setup (implicit during reads)

Serve: >180s (never completed) -> ~8s to Listening
Sourcemap: 14.3s -> ~9s
All 489 tests passing.
This commit is contained in:
Joe 2026-03-12 18:02:45 -05:00
parent 4ddc4a3e31
commit 9cf4cea936
10 changed files with 236 additions and 210 deletions
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2
CHANGELOG.md
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@ -31,6 +31,8 @@ Making a new release? Simply add the new header with the version and date undern
## Unreleased
* Add .gitignore for logs and refactor ServeSession to include path_roots in init_tree return
## [8.5.6] (March 8th, 2026)
* Add asynchronous log file compression with lowered thread priority to avoid impacting main workloads