fluent-json-validator VS io-ts

Compare fluent-json-validator vs io-ts and see what are their differences.

fluent-json-validator

An easy-to-use, expressive, and composable JSON object validator, with a fluent builder pattern interface! (by Semmu)
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fluent-json-validator io-ts
1 80
16 6,644
- -
0.0 3.2
over 2 years ago 5 days ago
JavaScript TypeScript
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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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.

fluent-json-validator

Posts with mentions or reviews of fluent-json-validator. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-03-14.

io-ts

Posts with mentions or reviews of io-ts. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-12-07.
  • TDD
    2 projects | /r/CharruaDevs | 7 Dec 2023
    Qué rico. Si tenés chance meté un proceso de code review fuerte, y para el tema de I/O probá a usar https://github.com/Effect-TS/schema ó https://github.com/gcanti/io-ts que les da una solución obvia al tema de "tipos para lo que devuelva el backend", aunque es en realidad mucho más capaz que eso.
  • Domain modelling with State Machines and TypeScript by Carlton Upperdine
    3 projects | /r/programming | 30 May 2023
    My fave is still io-ts (https://github.com/gcanti/io-ts/blob/master/docs/index.md) as I find it more flexible than zod at the ingress. The author is also working on the Effect ecosystem which also looks interesting.
  • Why I Like Using Maps (and WeakMaps) for Handling DOM Nodes
    1 project | news.ycombinator.com | 6 May 2023
    I’ve been using io-ts for this and been very happy with it. [1] It’s similar to Swift’s Coding protocol in case you’re familiar.

    [1] https://gcanti.github.io/io-ts/

  • Can someone recommend a library for data parsing similar to Zod, but with better support for input transformations/preprocessing?
    2 projects | /r/typescript | 30 Apr 2023
    Yeah, there are a few new concepts and it's not the easiest to pick up right away. The best introduction is here on the main documentation page.
  • libraries you are happy that you discovered them
    10 projects | /r/typescript | 27 Dec 2022
  • Is React for small projects an Overkill?
    2 projects | /r/reactjs | 10 Dec 2022
  • how to strictly type this?
    1 project | /r/typescript | 19 Nov 2022
    We use https://github.com/gcanti/io-ts/blob/master/Decoder.md which has a very similar interface. It can even be used to mutate the data using https://github.com/gcanti/io-ts/blob/master/Decoder.md#the-parse-combinator.
  • Typescript advanced bits: function overloading, never and unknown types
    3 projects | dev.to | 10 Nov 2022
    A good way to significantly improve the reliability of your app is via improving type-safety by moving away from using any to unknown. One relevant example could be when you type your backend responses and when stringifying JSON to using unknown combined with some sort of runtime type checking. It can be done either by using built-in functionality like type guards or using an external library like io-ts, zod or yup.
  • I found 10,000x faster TypeScript validator library
    5 projects | dev.to | 1 Nov 2022
    Usage of TypeBox is similar with io-ts and zod, but it is much powerful and faster than them. Also, TypeBox can generate JSON schema very easily. Therefore, if you're looking for a validator library for new project and not suffering from legacy codes, I think TypeBox would be much better choice than io-ts and zod. TypeBox can totally replace them.
  • Validate your data with Zod
    2 projects | dev.to | 31 Oct 2022
    This check can be done with different libraries like: io-ts, typebox, or zod. These libraries allow you to create objects that represent your typescript definitions. Then, these objects can be used at runtime to validate the received data, in addition, you can also convert this object to a Typescript definition to have all the benefits of using typescript. These objects can be called schema validations because they are responsible for the data validation.

What are some alternatives?

When comparing fluent-json-validator and io-ts you can also consider the following projects:

typebox - Json Schema Type Builder with Static Type Resolution for TypeScript

zod - TypeScript-first schema validation with static type inference

swagger-parser - Swagger 2.0 and OpenAPI 3.0 parser/validator

class-validator - Decorator-based property validation for classes.

Recordari - Recordari is a type and structure validation tool for configuration files

openapi-generator - OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

schema-typed - Schema for data modeling & validation

fp-ts - Functional programming in TypeScript

swagger-cli - Swagger 2.0 and OpenAPI 3.0 command-line tool

runtypes - Runtime validation for static types

joi - The most powerful data validation library for JS [Moved to: https://github.com/hapijs/joi]

newtype-ts - Implementation of newtypes in TypeScript

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