feat: add barebones opsqlite demo

demos/react-native-barebones-opsqlite/.gitignore

@@ -0,0 +1,74 @@
+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+**/.xcode.env.local
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+*.hprof
+.cxx/
+*.keystore
+!debug.keystore
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+**/fastlane/report.xml
+**/fastlane/Preview.html
+**/fastlane/screenshots
+**/fastlane/test_output
+
+# Bundle artifact
+*.jsbundle
+
+# Ruby / CocoaPods
+**/Pods/
+/vendor/bundle/
+
+# Temporary files created by Metro to check the health of the file watcher
+.metro-health-check*
+
+# testing
+/coverage
+
+# Yarn
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

demos/react-native-barebones-opsqlite/.watchmanconfig

@@ -0,0 +1 @@
+{}

demos/react-native-barebones-opsqlite/App.tsx

@@ -0,0 +1,170 @@
+import '@azure/core-asynciterator-polyfill';
+import React, { useEffect } from 'react';
+import type {PropsWithChildren} from 'react';
+import {
+  SafeAreaView,
+  ScrollView,
+  StatusBar,
+  StyleSheet,
+  Text,
+  useColorScheme,
+  View,
+} from 'react-native';
+
+import {
+  Colors,
+  DebugInstructions,
+  Header,
+  LearnMoreLinks,
+  ReloadInstructions,
+} from 'react-native/Libraries/NewAppScreen';
+import { OPSqliteOpenFactory } from '@powersync/op-sqlite';
+import { column, Schema, Table, PowerSyncDatabase } from '@powersync/react-native';
+
+/**
+ * A placeholder connector which doesn't do anything but used to confirm connect can run.
+ */
+class DummyConnector {
+  async fetchCredentials() {
+    return {
+      endpoint: '',
+      token: '',
+    };
+  }
+
+  async uploadData() {}
+}
+
+const customers = new Table({ name: column.text });
+
+const schema = new Schema({ customers });
+
+let powerSync: PowerSyncDatabase | null = null;
+
+const setupDatabase = async () => {
+  if (powerSync) return powerSync;
+
+  const factory = new OPSqliteOpenFactory({
+    dbFilename: 'powersync.db',
+  });
+
+  powerSync = new PowerSyncDatabase({
+    schema,
+    database: factory,
+  });
+
+  await powerSync.init();
+  return powerSync;
+};
+
+type SectionProps = PropsWithChildren<{
+  title: string;
+}>;
+
+function Section({children, title}: SectionProps): React.JSX.Element {
+  const isDarkMode = useColorScheme() === 'dark';
+  return (
+    <View style={styles.sectionContainer}>
+      <Text
+        style={[
+          styles.sectionTitle,
+          {
+            color: isDarkMode ? Colors.white : Colors.black,
+          },
+        ]}>
+        {title}
+      </Text>
+      <Text
+        style={[
+          styles.sectionDescription,
+          {
+            color: isDarkMode ? Colors.light : Colors.dark,
+          },
+        ]}>
+        {children}
+      </Text>
+    </View>
+  );
+}
+
+function App(): React.JSX.Element {
+  const isDarkMode = useColorScheme() === 'dark';
+
+  const backgroundStyle = {
+    backgroundColor: isDarkMode ? Colors.darker : Colors.lighter,
+  };
+
+  useEffect(() => {
+    const initDB = async () => {
+      try {
+        const db = await setupDatabase();
+
+        // Test database operations
+        await db.execute('INSERT INTO customers(id, name) VALUES(uuid(), ?)', ['Fred']);
+        const result = await db.getAll('SELECT * FROM customers');
+        console.log('Customers:', result);
+
+        // Connect with dummy connector
+        await db.connect(new DummyConnector());
+      } catch (error) {
+        console.error('Database initialization error:', error);
+      }
+    };
+
+    initDB();
+  }, []);
+
+  return (
+    <SafeAreaView style={backgroundStyle}>
+      <StatusBar
+        barStyle={isDarkMode ? 'light-content' : 'dark-content'}
+        backgroundColor={backgroundStyle.backgroundColor}
+      />
+      <ScrollView
+        contentInsetAdjustmentBehavior="automatic"
+        style={backgroundStyle}>
+        <Header />
+        <View
+          style={{
+            backgroundColor: isDarkMode ? Colors.black : Colors.white,
+          }}>
+          <Section title="Step One">
+            Edit <Text style={styles.highlight}>App.tsx</Text> to change this
+            screen and then come back to see your edits.
+          </Section>
+          <Section title="See Your Changes">
+            <ReloadInstructions />
+          </Section>
+          <Section title="Debug">
+            <DebugInstructions />
+          </Section>
+          <Section title="Learn More">
+            Read the docs to discover what to do next:
+          </Section>
+          <LearnMoreLinks />
+        </View>
+      </ScrollView>
+    </SafeAreaView>
+  );
+}
+
+const styles = StyleSheet.create({
+  sectionContainer: {
+    marginTop: 32,
+    paddingHorizontal: 24,
+  },
+  sectionTitle: {
+    fontSize: 24,
+    fontWeight: '600',
+  },
+  sectionDescription: {
+    marginTop: 8,
+    fontSize: 18,
+    fontWeight: '400',
+  },
+  highlight: {
+    fontWeight: '700',
+  },
+});
+
+export default App;

demos/react-native-barebones-opsqlite/Gemfile

@@ -0,0 +1,10 @@
+source 'https://rubygems.org'
+
+# You may use http://rbenv.org/ or https://rvm.io/ to install and use this version
+ruby ">= 2.6.10"
+
+# Exclude problematic versions of cocoapods and activesupport that causes build failures.
+gem 'cocoapods', '>= 1.13', '!= 1.15.0', '!= 1.15.1'
+gem 'activesupport', '>= 6.1.7.5', '!= 7.1.0'
+gem 'xcodeproj', '< 1.26.0'
+gem 'concurrent-ruby', '< 1.3.4'

demos/react-native-barebones-opsqlite/Gemfile.lock

@@ -0,0 +1,118 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    CFPropertyList (3.0.7)
+      base64
+      nkf
+      rexml
+    activesupport (7.2.2.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    algoliasearch (1.27.5)
+      httpclient (~> 2.8, >= 2.8.3)
+      json (>= 1.5.1)
+    atomos (0.1.3)
+    base64 (0.2.0)
+    benchmark (0.4.0)
+    bigdecimal (3.1.9)
+    claide (1.1.0)
+    cocoapods (1.15.2)
+      addressable (~> 2.8)
+      claide (>= 1.0.2, < 2.0)
+      cocoapods-core (= 1.15.2)
+      cocoapods-deintegrate (>= 1.0.3, < 2.0)
+      cocoapods-downloader (>= 2.1, < 3.0)
+      cocoapods-plugins (>= 1.0.0, < 2.0)
+      cocoapods-search (>= 1.0.0, < 2.0)
+      cocoapods-trunk (>= 1.6.0, < 2.0)
+      cocoapods-try (>= 1.1.0, < 2.0)
+      colored2 (~> 3.1)
+      escape (~> 0.0.4)
+      fourflusher (>= 2.3.0, < 3.0)
+      gh_inspector (~> 1.0)
+      molinillo (~> 0.8.0)
+      nap (~> 1.0)
+      ruby-macho (>= 2.3.0, < 3.0)
+      xcodeproj (>= 1.23.0, < 2.0)
+    cocoapods-core (1.15.2)
+      activesupport (>= 5.0, < 8)
+      addressable (~> 2.8)
+      algoliasearch (~> 1.0)
+      concurrent-ruby (~> 1.1)
+      fuzzy_match (~> 2.0.4)
+      nap (~> 1.0)
+      netrc (~> 0.11)
+      public_suffix (~> 4.0)
+      typhoeus (~> 1.0)
+    cocoapods-deintegrate (1.0.5)
+    cocoapods-downloader (2.1)
+    cocoapods-plugins (1.0.0)
+      nap
+    cocoapods-search (1.0.1)
+    cocoapods-trunk (1.6.0)
+      nap (>= 0.8, < 2.0)
+      netrc (~> 0.11)
+    cocoapods-try (1.2.0)
+    colored2 (3.1.2)
+    concurrent-ruby (1.3.3)
+    connection_pool (2.5.0)
+    drb (2.2.1)
+    escape (0.0.4)
+    ethon (0.16.0)
+      ffi (>= 1.15.0)
+    ffi (1.17.1)
+    fourflusher (2.3.1)
+    fuzzy_match (2.0.4)
+    gh_inspector (1.1.3)
+    httpclient (2.8.3)
+    i18n (1.14.7)
+      concurrent-ruby (~> 1.0)
+    json (2.9.1)
+    logger (1.6.5)
+    minitest (5.25.4)
+    molinillo (0.8.0)
+    nanaimo (0.3.0)
+    nap (1.1.0)
+    netrc (0.11.0)
+    nkf (0.2.0)
+    public_suffix (4.0.7)
+    rexml (3.4.0)
+    ruby-macho (2.5.1)
+    securerandom (0.4.1)
+    typhoeus (1.4.1)
+      ethon (>= 0.9.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    xcodeproj (1.25.1)
+      CFPropertyList (>= 2.3.3, < 4.0)
+      atomos (~> 0.1.3)
+      claide (>= 1.0.2, < 2.0)
+      colored2 (~> 3.1)
+      nanaimo (~> 0.3.0)
+      rexml (>= 3.3.6, < 4.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  activesupport (>= 6.1.7.5, != 7.1.0)
+  cocoapods (>= 1.13, != 1.15.1, != 1.15.0)
+  concurrent-ruby (< 1.3.4)
+  xcodeproj (< 1.26.0)
+
+RUBY VERSION
+   ruby 3.2.2p53
+
+BUNDLED WITH
+   2.5.14