Netflix/fast_jsonapi
Fast Jsonapi
fast_jsonapi is a Ruby object serializer designed to transform complex backend data objects into structured JSON representations. It specifically implements the JSON:API format to ensure consistent data exchange between servers and clients.
The library functions as a compound document generator, allowing related resources to be embedded within a single response to minimize network requests. It uses a class-based schema definition to decouple internal database models from the public API representation.
The project includes a command-line tool for generating serializer boilerplate by scanning database schemas. Performance is managed through key-based output caching and instrumentation tools that track the execution latency of the serialization and encoding processes.
Features
- API Payload Serializers - Provides utilities for converting Ruby objects into standardized JSON:API formatted payloads for API responses.
- JSON:API Formatters - Converts Ruby objects into standardized JSON:API formatted responses for consistent server-client data exchange.
- Object Serializers - Converts complex Ruby data objects into structured JSON representations with predefined attributes and relationships.
- Compound Document Embeddings - Generates compound documents by embedding related resources in a flat structure within a single JSON response.
- Relational Data Embedding - Enables embedding related resources within a single response to create compound documents and reduce network requests.
- Data Transformation Layers - Decouples internal database models from public API representations using a dedicated data transformation layer.
- Recursive Type Resolution - Recursively traverses object associations to resolve and embed related resources into a single compound document.
- Ruby API Serialization Frameworks - Provides a high-performance framework for building Ruby backend APIs with automated serialization and transformation logic.
- API Response Optimizations - Optimizes API response times through strategic serialization caching and performance monitoring.
- Serialized Output Caching - Caches the final JSON string of serialized objects to reduce computation time for repeat requests.
- Object State Cache Keys - Caches final serialized strings using unique keys based on the object's state to avoid redundant computation.
- Class Instance JSON Serializers - Provides utilities to define data transformations and generate class-based JSON serializers.
- Intermediate Representations - Implements a hash-based intermediate layer to decouple internal Ruby objects from the final JSON encoding.
- Schema-First Class Definitions - Uses dedicated serializer classes as the authoritative definition for mapping object attributes to JSON output.
Star history
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