oazapfts OpenAPI TypeScript Client Generator

oazapfts is a specialized tool for generating TypeScript API clients directly from OpenAPI or Swagger specifications. Unlike template-based generators, it leverages TypeScript's Abstract Syntax Tree (AST) API, resulting in faster code generation and highly optimized, tree-shakeable client libraries. The current stable version is 7.5.0, with frequent alpha and minor releases demonstrating active development. Key differentiators include its AST-driven approach, which avoids HTTP-specific implementation details in method signatures, grouping all optional parameters into a single object for improved ergonomics. Generated clients are self-contained in a single file and provide individually exported functions, promoting efficient tree-shaking for modern bundlers. It is primarily consumed via a command-line interface but also exposes a programmatic generation API.