apple/swift-openapi-generator
1,935 stars·171 forks·Swift·Apache-2.0·26 viewsswiftpackageindex.com/apple/swift-openapi-generator/documentation↗
Swift Openapi Generator
The Swift OpenAPI Generator is a build-time tool that produces type-safe Swift client and server code directly from OpenAPI specification documents. By integrating with build systems through native plugins, it automates the creation of strongly-typed interfaces and protocol stubs that map network operations to native methods, ensuring that application code remains strictly consistent with defined data schemas.
The project distinguishes itself through a protocol-oriented architecture that decouples business logic from specific transport implementations. It utilizes a pluggable transport layer and middleware-based request interception to handle cross-cutting concerns such as authentication, logging, and metrics collection. This design allows developers to maintain a consistent communication layer while remaining agnostic of the underlying web frameworks or network transmission details.
The generator supports a broad range of capabilities, including schema-driven data mapping and content negotiation for various formats. It provides memory-efficient handling of large payloads through incremental stream processing, which allows for the exchange of complex data without loading entire contents into memory. The toolset also includes utilities for automated contract testing and the generation of interactive documentation to assist in validating endpoint requirements.
Features
- Swift Code Generators - Provides a build-time tool that generates type-safe Swift client and server code from OpenAPI specifications.
- Type-Safe Client Generators - Generates strongly-typed client code from API specifications to map network operations to native methods.
- Server Stub Generation - Generates server-side protocol stubs from API specifications to enforce request handling requirements.
- Schema-Driven Data Modeling - Automatically converts raw network payloads into strongly-typed structures based on defined API schemas.
- OpenAPI Client SDK Generators - Generates type-safe network clients directly from API specifications to ensure consistent communication with external services.
- Compile-Time Code Generation - Transforms API specification files into native source code during the build process to ensure strict type safety.
- Code from Specification Generators - Automates the production of source code from API specifications through build system integration.
- Request Interception Middleware - Wraps network calls in a chain of processing layers to inject cross-cutting concerns like authentication and logging.
- Request Interception Middleware - Implements middleware pipelines for intercepting, validating, and modifying network traffic to handle cross-cutting concerns.
- Server-Side Frameworks - Creates robust server stubs from OpenAPI documents to enforce request handling requirements in backend services.
- Memory-Efficient Data Streaming - Handles large request and response payloads incrementally to maintain memory efficiency during network exchanges.
- Incremental Data Streaming - Processes large data streams in chunks to maintain memory efficiency when handling high-volume network payloads.
- API Contract Validation - Verifies that network code remains strictly consistent with defined data schemas by validating implementations during the build.
- Build Plugin Code Generators - Integrates with build systems via native plugins to automate network code generation during compilation.
- Pluggable Transport Layers - Provides modular interfaces that allow swapping the underlying network transport implementation while remaining agnostic.
- Protocol-Oriented Injection - Uses abstract protocols to decouple business logic from specific transport implementations and web frameworks.
- Authentication Middlewares - Applies cross-cutting logic to network operations through modular and reusable middleware layers.
- Content Negotiation - Provides utilities for extending support for custom media types and encoding logic to ensure flexible communication.
- Interactive API Documentation UIs - Renders API specifications into interactive web-based interfaces for browsing and testing endpoints directly in the browser.
- Incremental Body Processing - Handles large request and response payloads incrementally to maintain memory efficiency during network communication.
Star history
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