dyload

Author: Chriztiaan

demos/react-native-supabase-todolist/library/powersync/adapter.ts

@@ -0,0 +1,64 @@
+import { getDylibPath, type DB } from '@op-engineering/op-sqlite';
+import { OPSQLiteDBAdapter } from '@powersync/op-sqlite';
+import * as FileSystem from 'expo-file-system';
+
+export class ExpoAdapter extends OPSQLiteDBAdapter {
+  public async loadPowerSyncExtension(DB: DB) {
+    console.log('OVERRIDDEN LOAD');
+    // if (Platform.OS === 'ios') {
+    const libPath = getDylibPath('co.powersync.sqlitecore', 'powersync-sqlite-core');
+    console.log('Bundled path', libPath);
+    //   DB.loadExtension(libPath, 'sqlite3_powersync_init');
+    // }
+
+    //android arch64
+    // const fileUrl =
+    //   'https://www.dropbox.com/scl/fi/sst93bsf1ritnqoe3oe9w/libpowersync.so?rlkey=c34n51pb6y5065su6o0ixczc4&st=u76jpyp2&dl=1';
+    // x64
+    // const fileUrl =
+    //   'https://www.dropbox.com/scl/fi/13ho6v2w6fau3eq8wujv3/libpowersync_x64-1.so?rlkey=02r25q59nax4hhzppuvregv9d&st=mfbwtz0q&dl=1';
+    // ios slice
+    //   'https://www.dropbox.com/scl/fi/d4v2xanai0q8yi4jb17b7/powersync-sqlite-core?rlkey=r0dy109laxuxgkcilbcwpc7t9&st=3sya938g&dl=1';
+    // const fileName = 'libpowersync.so'; // no .dylib
+    // bundled ios xcf
+    const fileUrl =
+      'https://www.dropbox.com/scl/fi/d4v2xanai0q8yi4jb17b7/powersync-sqlite-core?rlkey=r0dy109laxuxgkcilbcwpc7t9&st=xn3hfqx7&dl=1';
+
+    const fileName = 'powersync-sqlite-core';
+    // const uri = await this.downloadAndSaveFile(fileUrl, fileName);
+    // const uri =
+    //   'file:///Users/christiaanlandman/Library/Developer/CoreSimulator/Devices/2F1E3D3B-1A15-4D8C-9807-F9BB5DDF9B2C/data/Containers/Data/Application/809665CE-0CC3-465A-B6E7-F56B4FC5BE8E/Documents/powersync-sqlite-core';
+    // const path = uri?.replace('file://', '');
+
+    // const path =
+    //   '/Users/christiaanlandman/Library/Developer/CoreSimulator/Devices/2F1E3D3B-1A15-4D8C-9807-F9BB5DDF9B2C/data/Containers/Data/Application/3FCF064A-2A10-40C1-B4FF-93202B873163/Documents/powersync-sqlite-core';
+    // console.log('Loading extension', path);
+
+    try {
+      DB.loadExtension(
+        '/Users/christiaanlandman/Library/Developer/CoreSimulator/Devices/2F1E3D3B-1A15-4D8C-9807-F9BB5DDF9B2C/data/Containers/Data/Application/809665CE-0CC3-465A-B6E7-F56B4FC5BE8E/Documents/powersync-sqlite-core',
+        'sqlite3_powersync_init'
+      );
+      console.log('success');
+    } catch (error) {
+      console.error('Loading error:', error);
+    }
+  }
+
+  private async downloadAndSaveFile(url: any, fileName: any) {
+    try {
+      console.log('Starting simple download...');
+
+      const downloadDest = `${FileSystem.documentDirectory}${fileName}`;
+
+      const { uri } = await FileSystem.downloadAsync(url, downloadDest);
+
+      console.log('File downloaded to:', uri);
+      await new Promise((resolve) => setTimeout(resolve, 2000));
+      return uri;
+    } catch (error) {
+      console.error('Simple download error:', error);
+    }
+    return '';
+  }
+}

demos/react-native-supabase-todolist/library/powersync/factory.ts

@@ -0,0 +1,22 @@
+import { DBAdapter, SQLOpenFactory, SQLOpenOptions } from '@powersync/common';
+
+import { OPSqliteOpenFactory, OPSQLiteOpenFactoryOptions } from '@powersync/op-sqlite';
+import { ExpoAdapter } from './adapter';
+
+export class ExpoFactory extends OPSqliteOpenFactory {
+  constructor(protected options: OPSQLiteOpenFactoryOptions) {
+    super(options);
+    // this.sqliteOptions = {
+    //   ...DEFAULT_SQLITE_OPTIONS,
+    //   ...this.options.sqliteOptions
+    // };
+  }
+
+  openDB(): DBAdapter {
+    return new ExpoAdapter({
+      name: this.options.dbFilename,
+      dbLocation: this.options.dbLocation,
+      sqliteOptions: this.sqliteOptions
+    });
+  }
+}

demos/react-native-supabase-todolist/library/powersync/system.ts

@@ -12,6 +12,7 @@ import { SupabaseConnector } from '../supabase/SupabaseConnector';
 import { AppSchema } from './AppSchema';
 import { PhotoAttachmentQueue } from './PhotoAttachmentQueue';
 import { OPSqliteOpenFactory } from '@powersync/op-sqlite';
+import { ExpoFactory } from './factory';
 
 const logger = createBaseLogger();
 logger.useDefaults();
@@ -29,9 +30,10 @@ export class System {
     this.supabaseConnector = new SupabaseConnector(this);
     this.storage = this.supabaseConnector.storage;
 
-    const factory = new OPSqliteOpenFactory({
+    const factory = new ExpoFactory({
       dbFilename: 'sqlite.db'
     });
+
     this.powersync = new PowerSyncDatabase({ database: factory, schema: AppSchema });
     /**
      * The snippet below uses OP-SQLite as the default database adapter.

packages/powersync-op-sqlite/src/db/OPSqliteDBOpenFactory.ts

@@ -6,7 +6,7 @@ export interface OPSQLiteOpenFactoryOptions extends SQLOpenOptions {
   sqliteOptions?: SqliteOptions;
 }
 export class OPSqliteOpenFactory implements SQLOpenFactory {
-  private sqliteOptions: Required<SqliteOptions>;
+  protected sqliteOptions: Required<SqliteOptions>;
 
   constructor(protected options: OPSQLiteOpenFactoryOptions) {
     this.sqliteOptions = {