runtypes
typescript-json-validator
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| runtypes | typescript-json-validator | |
|---|---|---|
| 22 | 3 | |
| 2,545 | 226 | |
| 0.9% | - | |
| 5.6 | 0.0 | |
| 2 months ago | 4 months ago | |
| TypeScript | TypeScript | |
| MIT License | MIT License |
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runtypes
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When should I use runtime checks (and which runtime checker should I use)?
In terms of which runtime checker I should use. The first tutorial I saw suggested 'Zod', doing a bit more searchign yielded other options such as 'runtypes'.
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An almost religious case for Rust
Runtypes would probably be a better example.
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'The best thing we can do today to JavaScript is to retire it’ Douglas Crockford
this has been solved by several packages, runtypes https://github.com/pelotom/runtypes being my favorite
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How to force a type when importing a JSON file?
I personally like https://github.com/pelotom/runtypes because it bundles your Schema Info and the corresponding Typescript types
- Why doesn’t TypeScript natively do any type checking
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Create d.ts for API response
When I have to deal with data from API calls, I usually use a runtime typing library like Runtypes or Zod to check the responses at the boundary. These libraries can automatically give you TS types (using their static or infer utilities) to use throughout the rest of the project.
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Typing for JSON Payloads
Also runtypes and (as mentioned below) zod.
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How to check that an 'unknown' object has a specific key and that the key is a specific type?
Seconding the recommendation to use a library for this. runtypes and io-ts are two other alternatives.
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Check types at the top level or in each function?
I wouldn't reinvent the wheel: https://github.com/pelotom/runtypes
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Minimal and fast runtime API payload sanitiser and error message handling
What does your library provide that others don't? For example: https://github.com/colinhacks/zodhttps://github.com/hapijs/joihttps://github.com/jquense/yuphttps://github.com/gcanti/io-tshttps://github.com/pelotom/runtypeshttps://github.com/sindresorhus/ow
typescript-json-validator
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Testing in production: using JSON Schema for 3rd party API response validation
I used https://github.com/ForbesLindesay/typescript-json-validator for a service I built recently. It parses TS types and turns them into a validator function - seems to work very well so far.
There’s a conversion of the typ to JSON schema under the hood.
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I squeezed every brain cell to create this library
I just started using https://github.com/ForbesLindesay/typescript-json-validator.
What are some alternatives?
zod - TypeScript-first schema validation with static type inference
typescript-is
io-ts - Runtime type system for IO decoding/encoding
type-fest - A collection of essential TypeScript types
ts-auto-guard - Generate type guard functions from TypeScript interfaces
typegraphql-prisma - Prisma generator to emit TypeGraphQL types and CRUD resolvers from your Prisma schema
nest-clean-architecture - 🏛️ Nest.js clean architecture example following some DDD principles with use-cases written in functionnal programming.
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
joi - The most powerful data validation library for JS [Moved to: https://github.com/sideway/joi]
fp-ts - Functional programming in TypeScript
ts-json-schema-generator - Generate JSON schema from your Typescript sources
ts-node - TypeScript execution and REPL for node.js