electric-sql/pglite

Features

• Browser Databases - Runs a full-featured Postgres engine directly in the browser to enable local data persistence and complex querying.
• Client-Side Databases - Provides a persistent SQL storage solution that enables complex data management without an external database server.
• SQL Query Execution - Runs standard SQL commands and parameterized queries directly within browser or server environments.
• In-Browser Database Engines - Runs a full-featured relational database engine compiled to WebAssembly directly within browser and Node.js environments.
• WebAssembly Engines - Runs a full-featured relational database engine compiled to WebAssembly for client-side SQL execution.
• Database Execution Engines - Provides a full-featured relational database runtime environment for browser and Node.js applications.
• Reactive Data Queries - Triggers automatic interface updates whenever the underlying database state changes by subscribing to live query results.
• Reactive Data Bindings - Automatically updates user interface components in real time whenever underlying database query results change.
• Multi-Tab Database Coordinators - Manages leader election across multiple browser tabs to ensure consistent database access and state.
• Object-Relational Mapping - Provides ORM integration to map application objects to relational database records and manage complex data models.
• WebAssembly - Provides a high-performance execution environment for relational data using binary compilation for native-speed SQL operations.
• Databases and Data Tools - Embeddable Postgres with reactive bindings.
• Browser Storage Managers - Manages database persistence using browser storage and virtual file systems to ensure data availability.
• Atomic Transactions - Groups multiple operations into atomic units that commit upon success or automatically roll back on failure.
• Type-Safe Query Builders - Offers type-safe query builders that translate application logic into SQL, ensuring compile-time validation.
• Local-First Architectures - Enables building applications that store and process data locally while maintaining full relational database capabilities.
• Leader Election - Coordinates database access and leader election across multiple browser tabs using messaging protocols.
• Shared Worker Storage - Coordinates shared database access across multiple browser tabs using background workers.
• Database Change Subscriptions - Subscribes to asynchronous database events to trigger application updates when data changes occur.
• Virtualized Filesystem Layers - Interacts with internal storage layers to import or export data using standard file operations and streaming protocols.
• Virtual File Systems - Maps database storage to virtual file systems to ensure persistence across browser sessions.
• Database Initialization - Initializes persistent or in-memory database instances, supporting snapshot loading for faster startup.
• Cross-Thread Database Dispatchers - Offloads database operations to background worker threads to maintain main-thread responsiveness.
• Binary Snapshots - Loads pre-built database snapshots directly into memory to bypass standard initialization and reduce startup time.
• Incremental Syncing - Tracks changes to query results using keyed diff algorithms to efficiently update component state as data evolves.
• Database Export Utilities - Generates SQL scripts and compressed archives for database backups, restoration, and migration.
• Database Extensions - Supports custom engine extensions and plugins to add specialized features to the database system.
• Database Migrations - Facilitates database migrations by exporting and importing data between instances for version transitions.
• Database Context Providers - Injects database instances into the component tree for accessible data management across the application lifecycle.

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