minimongo

import { IndexedDb, HybridDb, RemoteDb, MemoryDb } from 'minimongo'; interface MyDocument { _id?: string; name: string; age: number; tags?: string[]; } async function setupDatabase() { return new Promise<IndexedDb<MyDocument>>((resolve, reject) => { const indexedDb = new IndexedDb<MyDocument>( { namespace: 'myAppDb', autoCreate: true }, () => { console.log('IndexedDb initialized successfully.'); resolve(indexedDb); }, (error: Error) => { console.error('IndexedDb initialization failed:', error); reject(error); } ); }); } async function runApp() { try { const localDb = await setupDatabase(); const remoteDb = new RemoteDb('/api/collections', 'myAppDb', { // For a real application, replace with a proper HTTP client // This is a minimal mock for demonstration httpClient: { get: async (url: string) => { console.log(`[RemoteDb] GET ${url}`); if (url.includes('myAppDb/items')) { return { status: 200, data: [{ _id: 'remote1', name: 'Remote Item', age: 30 }] }; } return { status: 404, data: { message: 'Not Found' } }; }, put: async (url: string, data: any) => { console.log(`[RemoteDb] PUT ${url}`, data); return { status: 200, data: { ...data, _id: data._id || 'newRemoteId' } }; } }, useQuickFind: true }); const hybridDb = new HybridDb(localDb, remoteDb); hybridDb.addCollection('items'); const itemsCollection = hybridDb.getCollection('items'); // Insert a document locally const newItem: MyDocument = { name: 'Local Item', age: 25, tags: ['frontend'] }; await itemsCollection.upsert(newItem, null, (doc: MyDocument) => { console.log('Inserted local item:', doc); }); // Query local and remote (hybrid sync) console.log('\nQuerying all items (local and remote sync):'); itemsCollection.find({}).fetch((docs: MyDocument[]) => { console.log('Found items:', docs); }); // Demonstrate another local operation const anotherItem: MyDocument = { name: 'Another Item', age: 40 }; await itemsCollection.upsert(anotherItem, null, (doc: MyDocument) => { console.log('Inserted another local item:', doc); }); // Query with selector console.log('\nQuerying items with age > 25:'); itemsCollection.find({ age: { $gt: 25 } }).fetch((docs: MyDocument[]) => { console.log('Found items (age > 25):', docs); }); } catch (error) { console.error('Application failed:', error); } } runApp();