PowerSync Expo Go Twoliner

SETUP.md

Quickstart:

1. npx create-expo-app@latest my-app
2. cd my-app && npm run ios
3. Open a new terminal tab:
4. npm install @powersync/react-native @powersync/adapter-sql-js
5. Replace code in app/(tabs)/index.tsx:

import { SQLJSOpenFactory } from "@powersync/adapter-sql-js";
import { PowerSyncDatabase, Schema } from "@powersync/react-native";
import { useEffect, useState } from "react";
import { Text } from "react-native";

export const powerSync = new PowerSyncDatabase({
  schema: new Schema({}),
  database: new SQLJSOpenFactory({
    dbFilename: "example.db",
  }),
});

export default function HomeScreen() {
  const [version, setVersion] = useState<string | null>(null);

  useEffect(() => {
    powerSync.get("select powersync_rs_version();").then((r) => {setVersion(JSON.stringify(r))});
  }, []);

  return (
      <>{version && <Text style={{fontSize: 24, fontWeight: 'bold'}}>PowerSync Initialized - {version}</Text>}</>
  );
}

At this point everything should work 😃

Next steps:

1. Implement your SQLite client schema
2. Connect to PowerSync and your backend - instructions