json-schema-to-typescript
typebox
json-schema-to-typescript | typebox | |
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7 | 57 | |
2,791 | 4,301 | |
- | - | |
7.2 | 8.7 | |
3 days ago | 3 days ago | |
TypeScript | TypeScript | |
MIT License | GNU General Public License v3.0 or later |
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json-schema-to-typescript
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Gentle Introduction To Typescript Compiler API
Compile JSONSchema to TypeScript type declarations
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Show HN: A tool to Convert JSON schemas into TypeScript classes
Nice! Lots of tricky edge cases to do this right: there’s ambiguity in the JSON Schema spec, version-to-version changes, many popular community conventions that don’t adhere to the spec, etc. Feel free to check out the tests to understand some of these: https://github.com/bcherny/json-schema-to-typescript (shameless plug — I have maintained this library for a number of years).
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Why JSON Isn’t a Good Configuration Language (2018)
jsonnet is my go-to language for anything related to configuration, after having tried json, yaml, TS, edn, and tasting dhall and toml. It addresses all problems in the article and more.
the composition strikes a good balance between extensiveness and ease of use.
the generated json leads to easy and portable data, and if you write jsonschemas from jsonnet, tools like json-schema-to-typescript [1] make it easy to import a consistent interface, and almost every language has a reasonably up-to-date validation library.
[1] https://github.com/bcherny/json-schema-to-typescript
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Show HN: Remult – a CRUD framework for full-stack TypeScript
Take a look at https://github.com/bcherny/json-schema-to-typescript, too. I used it successfully at a previous job. IIRC, I had to write some code to convert OpenAPI to JSON Schema but it wasn’t onerous
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TRPC: End-to-end typesafe APIs made easy
If you're using OpenAPI, you could use this to generate TypeScript interfaces:
https://github.com/bcherny/json-schema-to-typescript
It works really well
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Running Out of Heap Memory While Converting JSON Schemas - Not Understanding Heap Memory/Async/Await/Promises
I'm messing around with a process to convert JSON schemas to TypeScript interfaces using json-schema-to-typescript. I have a little under 900 JSON files each containing a schema, totaling about 3.5 MB.
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I created a tool which automatically generates typescript definitions for API endpoints
json-schema-to-typescript
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?
MikroORM - TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.
zod - TypeScript-first schema validation with static type inference
trpc - 🧙♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.
zod-to-json-schema - Converts Zod schemas to Json schemas
json-schema-to-ts - Infer TS types from JSON schemas 📝
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
graphql-zeus - GraphQL client and GraphQL code generator with GraphQL autocomplete library generation ⚡⚡⚡ for browser,nodejs and react native ( apollo compatible )
class-validator - Decorator-based property validation for classes.
nestjs-openapi3 - OpenAPI 3.x document generation and serving for NestJS.
openapi-typescript-validator - Generate typescript with ajv validation based on openapi schemas
nestjs-auth - Comprehensive handling of authentication and authorization for NestJS.
ts-json-schema-generator - Generate JSON schema from your Typescript sources