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

1. Schema → docs · example
2. Database → docs · example
3. 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

ORM	Docs	Example
Kysely	docs	source
Drizzle	docs	source
TanStack DB	docs	demo

Documentation

Topic	URL
Overview	https://docs.powersync.com/intro/powersync-overview.md
Web SDK	https://docs.powersync.com/client-sdk-references/javascript-web.md
React Native SDK	https://docs.powersync.com/client-sdk-references/react-native-and-expo.md
Sync Rules	https://docs.powersync.com/usage/sync-rules.md
Watch Queries	https://docs.powersync.com/usage/use-case-examples/watch-queries.md
API Reference	https://powersync-ja.github.io/powersync-js/web-sdk

Local References

• references/sync-rules.md - Sync Rules configuration
• references/examples.md - All official example projects

GitHub Source

powersync-ja/powersync-js

Package	Description
common	Shared core (schema, sync, types)
web	Web SDK
react-native	React Native SDK
node	Node.js SDK
capacitor	Capacitor SDK
react	React hooks
vue	Vue composables
tanstack-react-query	TanStack Query integration
kysely-driver	Kysely ORM driver
drizzle-driver	Drizzle ORM driver
attachments	File attachments helper
powersync-op-sqlite	OP-SQLite adapter
adapter-sql-js	SQL.js adapter (Expo Go)