ts-json-schema-generator
typescript-runtime-type-benchmarks
ts-json-schema-generator | typescript-runtime-type-benchmarks | |
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12 | 33 | |
1,312 | 557 | |
2.8% | - | |
9.2 | 9.7 | |
9 days ago | 7 days ago | |
TypeScript | TypeScript | |
MIT License | - |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
ts-json-schema-generator
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TypeSpec: A New Language for API-Centric Development
This looks interesting but I already have TypeScript types for my APIs so I developed https://github.com/vega/ts-json-schema-generator which lets me generate JSON schema from the sources directly. Yes, it does have some oddities because the two languages have slightly different feature sets but it’s been working well for us for a few years. If I didn’t have TypeScript or a smaller API surface I’d be okay with typing again I would look at TypeSpec though. It definitely beats writing JSON schema by hand.
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Automating API Documentation: A Journey from TypeScript to OpenAPI and Schema Governence with Optic
3. Generate JSON schemas with the ts-json-schema-generator package
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Is using zod as the primary source of truth for Typescript types sensible/sustainable?
We user ts-json-schema-generator to create the schemas directly from TS types.
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Validating JSON parser that uses TS as the spec format?
I’ve been using this one: https://github.com/vega/ts-json-schema-generator most recently and it’s been great
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Transpiling Typescript into Rust
Maybe this vscode extension can work for you. It can turn Json samples into structs. this can help you turn typescript to Json. Maybe you can automate it.
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Game engine in web - part 2 - data oriented system
Now we have to parse the JSON containing our scene and validate that this JSON is valid according to what we expect. For that we are going to use the JSON Schema along with ts-json-schema-generator to generate said schema automatically and ajv to validate JSON against the generated schema.
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Is there a tool to visualize all of the value-types of a highly abstracted interface/type?
If the output format isn’t important you could use ts-json-schema-generator - it doesn’t work with everything but it’s pretty good at outputting a json schema structure for interfaces and types.
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Anyone using decorators, or some other form of inline documentation, to generate an openapi spec file based on a typescript library?
https://github.com/grantila/typeconv/ https://github.com/airtasker/spot https://github.com/vega/ts-json-schema-generator
- TypeScript runtime type-checking - designed for simple use, through to enforcing API payload schema
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Testing in production: using JSON Schema for 3rd party API response validation
Most people do not write JSON Schema by hand. Typescript is one of the popular tools: https://github.com/vega/ts-json-schema-generator
typescript-runtime-type-benchmarks
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TypeScript please give us types
Has been heavily optimized, both in terms of its types and runtime performance. Even including the static parser, many types are about an order of magnitude more efficient than equivalent Zod. Early results show it as marginally faster than any validator currently published to typescript-runtime-type-benchmarks, not including more complex cases where (2) would give ArkType a much more significant advantage.
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What are some of the best libraries you cannot work without?
Zod is a bit of an underdog but it is not fast, AJV which is slightly more common can validate and generate types too but requires using JSON syntax, TypeBox offers familiar syntax to Zod while still being JSON syntax in the background.
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[AskTS] What do you think will be the future of runtime type checking?
First, they're not fast (runtime type checking benchmarks).
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Typescript really hits the middle ground between extremely rigid statically typed languages on one extreme and no types at all dynamic languages on another extreme. Best type system
Aha, so you're using a library in Java for this. You know about libraries in TS for this, there are plenty of them btw, but you don't use them because it's so easy. Express has `any` type for `req.body` because authors don't care about this either and it's so easy. And TypeScript is the one to blame in that you prefer to work with `any` type for incoming data rather than validating it.
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TypeBox: Runtime Type System Built on Industry Standards
It is so much faster than Zod that Zod basically doesn't show, https://moltar.github.io/typescript-runtime-type-benchmarks/ and according to bundlejs, https://bundlejs.com/?q=zod%2Czod%2C%40sinclair%2Ftypebox&treeshake=%5B*%5D%2C%5B%7B+default+%7D%5D%2C%5B*%5D&config=%7B%22analysis%22%3Atrue%7D, it is even smaller. I genuinely have no clue why Zod is this popular in 2023.
- What’s your favourite validation library?
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TypeBox: Template Literals + Conditional Types at Runtime
TypeBox is a bit different to other libraries in this space where it's mostly intended to be used with a auxiliary JSON Schema validator. Although it provides a built in JSON Schema compiler (which is currently the fastest (not-AOT) runtime validator available for JavaScript today), it's equally intended to be used with validators like Ajv (or any other standards compliant validator)
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Introducing ArkType: The first isomorphic type system for TS/JS
I do plan to add some direct comparisons to https://github.com/moltar/typescript-runtime-type-benchmarks as well but haven't had a chance yet.
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Is using zod as the primary source of truth for Typescript types sensible/sustainable?
I think it's more of a case of the extremely low performance bar that's been set by the status quo (for even the simplest of validation structures). There's been a lot of focus on the TS type inference, and less on the runtime performance (which actually matters more as it does reduce operational costs). It probably wouldn't be such an issue if the performance was reasonable, but I mean here's the full breakdown https://moltar.github.io/typescript-runtime-type-benchmarks/.
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Best schema validator for intellisense performance?
I found a benchmark for runtime performance, but I haven't found any for intellisense/editor performance.
What are some alternatives?
zod-to-json-schema - Converts Zod schemas to Json schemas
napi-rs - A framework for building compiled Node.js add-ons in Rust via Node-API
typebox - Json Schema Type Builder with Static Type Resolution for TypeScript
zod - TypeScript-first schema validation with static type inference
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
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.
typescript-json-validator - Automatically generate a validator using JSON Schema and AJV for any TypeScript type.
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
typeconv - Convert between JSON Schema, TypeScript, GraphQL, Open API and SureType
Wren - The Wren Programming Language. Wren is a small, fast, class-based concurrent scripting language.
Snowplow - The enterprise-grade behavioral data engine (web, mobile, server-side, webhooks), running cloud-natively on AWS and GCP
Prisma - Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB