Data is the lifeblood of any application, and bknd provides the tools to handle it effortlessly. From defining entities to executing complex queries, bknd offers a developer-friendly, intuitive, and powerful data management experience.

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Define Your Data

Model entities with fields and relationships, automatically synced to your database.
  • Supported field types: primary, text, number, date, boolean, enum, json, and jsonschema.
  • Relationship types: many-to-one, one-to-one, many-to-many, and polymorphic.
  • Add indices to enhance database performance: single, compound, and unique indices.

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Entity Management

Use the EntityManager to simplify handling your entities. Access data efficiently with the Repository:
  • Select specific properties to return.
  • Define sort directions, limits, and offsets.
  • Include or join relational data seamlessly within a single query using with and joins.
  • Apply robust filtering with an extensive where object: $eq, $ne, $isnull, $notnull, $in, $notin, $gt, $gte, $lt, $lte, $between.

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Seamless Data Manipulation with Mutators

Create, update, and delete entity data with confidence.
  • Validates data against the entity schema.
  • (coming soon) Supports relational data with flexible syntax: $create, $set, $attach, $detach.

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Powerful Event System

Hook into critical lifecycle events for fine-grained control:
  • Repository events: find-one-before, find-one-after, find-many-before, find-many-after.
  • Mutator events: insert-before, insert-after, update-before, update-after, delete-before, delete-after.

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Enhanced Database Communication

The Connection class communicates with the database. It’s based on kysely, so that it generally supports multiple database dialects (but currently only SQLite/LibSQL is supported). Whether you’re modeling simple data structures or managing complex relationships, bknd’s data tools empower you to build applications with confidence and scalability.