c14c3a235a
Root causes:
- react-ace v12 doesn't support React 19 (project uses ^19.2.5)
- Dynamic import(`ace-builds/src-noconflict/mode-${language}`) broken with Vite
(template-literal dynamic imports can't be statically analyzed)
- No React Error Boundaries — ACE render crash whitescreens entire app
- ace-builds/react-ace duplicated in backend package.json
Fixes:
1. Upgrade react-ace ^12.0.0 → ^14.0.1 (React 19 support)
2. Upgrade ace-builds ^1.36.0 → ^1.43.6
3. Remove ACE deps from backend package.json (not used by Express)
4. Replace broken dynamic imports with Vite ?url + ace.config.setModuleUrl()
pattern (canonical Vite solution per ace#4597)
5. Add ErrorBoundary component wrapping EditorPanel
6. Add vite.d.ts type declarations for ?url/?raw/?worker imports
7. Fix worker-typescript import (doesn't exist — TS uses worker-javascript)
8. Register 24 language modes, 4 workers, 1 theme, 2 extensions
Verified: TypeScript clean, production build passes, heartbeat worker intact.
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| .. | ||
| components | ||
| lib | ||
| pages | ||
| types | ||
| workers | ||
| App.tsx | ||
| index.css | ||
| main.tsx | ||