generate-runtypes
typebox
| generate-runtypes | typebox | |
|---|---|---|
| 1 | 57 | |
| 17 | 4,265 | |
| - | - | |
| 1.6 | 8.7 | |
| 6 days ago | 3 days ago | |
| TypeScript | TypeScript | |
| Apache License 2.0 | GNU General Public License v3.0 or later |
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generate-runtypes
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How do you handle runtime validation / API documentation?
You could try zod for runtime validation and types with zod-openapi to derive open API schema from the validator. An example of the alternative approach is something like generate-runtypes or runtyping to generate runtypes validators from a JSON schema (and separately generate the Open API definitions from the JSON schema).
typebox
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Popular Libraries For Building Type-safe Web Application APIs
The documentation can be found here.
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I write HTTP services in Go after 13 years (Mat Ryer, 2024)
So far I like the commonly used approach in the Typescript community best:
1. Create your Schema using https://zod.dev or https://github.com/sinclairzx81/typebox
2. Generate your Types from the schema. It's very simple to create partial or composite types, e.g. UpdateModel, InsertModels, Arrays of them, etc.
3. Most modern Frameworks have first class support for validation, like is a great example Fastify (with typebox). Just reuse your schema definition.
That is very easy, obvious and effective.
- Where DRY Applies
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Has anybody used Typia library?
There's a ton of schema validators out there and most devs have their personal favorite. Mine was zod and is now typebox + ajv.
- I'm looking to use my openapi spec to dyanamically create types
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How can I generate typescript types?
If you're willing to document your API with an OpenAPI schema, then it should be possible to generate TypeScript types based on the OpenAPI schema with something like openapi-typescript. Also, Typebox can generate JSON schemas, maybe it can be used to generate something that the front-end can also use?
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[AskTS] What do you think will be the future of runtime type checking?
Well, I do provide extensibility for those bullet points you've listed to varying degrees (both schema and type representation), as well as offering a reference implementation for expressing a entirely different schema specification under the type system (specifically RFC8927 / JSON Type Definition). Reference implementation here. As for JSDoc, It's supported in code hints.
- TypeBox: Runtime Type System Built on Industry Standards
- TypeBox: A Type System for JavaScript built on Industry Standard Specifications
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Building a modern gRPC-powered microservice using Node.js, Typescript, and Connect
In setting out to build this service, we wanted to use gRPC for its APIs. We’ve been reaching for REST when building APIs so far, primarily out of necessity, i.e., our public APIs needed auto-generated client SDKs and docs for developers working with them. We built those APIs with Fastify and Typebox but felt burned by a code-first approach to generating an OpenAPI spec. I’ll spare you the details and save that experience/learning for another article. Suffice it to say we love gRPC’s schema-first approach. This blog post summarizes our feelings well
What are some alternatives?
json-schema-to-ts - Infer TS types from JSON schemas 📝
zod - TypeScript-first schema validation with static type inference
zod-plugins - Plugins and utilities for Zod
zod-to-json-schema - Converts Zod schemas to Json schemas
runtyping - Generate runtype validation from static types & JSON schema.
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
class-validator - Decorator-based property validation for classes.
openapi-typescript-validator - Generate typescript with ajv validation based on openapi schemas
ts-json-schema-generator - Generate JSON schema from your Typescript sources
io-ts - Runtime type system for IO decoding/encoding
class-transformer - Decorator-based transformation, serialization, and deserialization between objects and classes.
fluent-json-validator - An easy-to-use, expressive, and composable JSON object validator, with a fluent builder pattern interface!