PowerSync TypeScript Skill
Sync engine for local-first apps with real-time sync between client SQLite and backend databases.
When to Use
- Offline-first/local-first applications
- Real-time sync between client and server
- Instant UI responsiveness with background sync
Installation
| Platform | Package |
|---|
| Web | @powersync/web + @journeyapps/wa-sqlite |
| React Native | @powersync/react-native + @powersync/op-sqlite |
| React hooks | @powersync/react |
| Vue composables | @powersync/vue |
| Node.js | @powersync/node |
| Kysely ORM | @powersync/kysely-driver |
| Drizzle ORM | @powersync/drizzle-driver |
Core Setup
- Schema → docs · example
- Database → docs · example
- Connector → docs · example
API Quick Reference
| Operation | Method |
|---|
| Get one | db.get(sql, params) / db.getOptional(sql, params) |
| Get all | db.getAll(sql, params) |
| Execute | db.execute(sql, params) |
| Transaction | db.writeTransaction(async (tx) => { ... }) |
| Watch | db.query({sql, parameters}).watch() |
| Diff watch | db.query({sql, parameters}).differentialWatch() |
Full CRUD: docs
React Hooks
| Hook | Purpose |
|---|
useQuery | Query with loading/error states |
useSuspenseQuery | Query with Suspense |
useStatus | Connection status |
usePowerSync | Database instance |
Docs: React · Vue
ORM Integration
Documentation
Local References
references/sync-rules.md - Sync Rules configurationreferences/examples.md - All official example projects
GitHub Source
powersync-ja/powersync-js
