Typera helps you build backends in a type-safe manner by leveraging io-ts and some TypeScript type inference magic. It works with both Express and Koa.

Features

  • A purer approach to building your apps: Each route handler is an async function that takes a request and returns a response
  • Automatically parses request inputs like route params, query params, headers and request body into typed values
  • Infer the types of responses (status code, body, headers), allow type checking them according to your expectations
  • Middleware are fully typed. This means that you no longer have to guess what's available in req, or whether a middleware short-circuits and returns a response. Instead, everything is type checked
  • It's straightforward to start adding fully typed routes to an existing Express or Koa app. Old routes can be migrated gradually
  • Built-in support for automatically generating an OpenAPI definition from your app with typera-openapi

Project Samples

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License

MIT License

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Additional Project Details

Programming Language

TypeScript

Related Categories

TypeScript Frameworks

Registered

2024-01-11