joi
The most powerful data validation library for JS [Moved to: https://github.com/hapijs/joi] (by sideway)
typeconv
Convert between JSON Schema, TypeScript, GraphQL, Open API and SureType (by grantila)
SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
surveyjs.io
featured
| joi | typeconv | |
|---|---|---|
| 14 | 3 | |
| 19,052 | 397 | |
| - | - | |
| 5.8 | 4.1 | |
| over 1 year ago | 11 months ago | |
| JavaScript | TypeScript | |
| GNU General Public License v3.0 or later | 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.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
joi
Posts with mentions or reviews of joi.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-07-29.
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Validator in js
Package Feature Merit Demerit Link Zod TypeScript-first schema validation with static type inference Method chaining and easy to get ts type Newer package zod.dev joi This is almost same to zod Have many plugins Doesn't support static type inference https://github.com/sideway/joi Yup This is almost same to zod Have many plugins Missing some feature, function, deep object, promise... ... https://github.com/jquense/yup class-validator Validate class properties Have many features Code isn't clean https://github.com/typestack/class-validator ajv Validate by json scheme Enable to share schem to other languages Not supported typescript https://ajv.js.org/
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Ways to validate environment configuration in a forFeature Config in NestJs
Using Joi, a data validator for JavaScript.
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✨Libshare - Curate & Share Your favorite JavaScript Libraries!
See how I've used joi for validating the request body. You can install and use different libraries like this inside the helpers/routes. Joi can be installed with the following command:
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awesome npm packages for data validation and parsing(user login validation)
3. joi
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How to check that an 'unknown' object has a specific key and that the key is a specific type?
⭐ Recommended: Doing this manually is a ton of work, and if you're dealing with unknown objects often it would be better to lean onto a validation library to simplify it. My personal favorite is superstruct, although lots of people like joi or zod. They all do the same thing
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How do you "stitch & glue" types for all your needs?
The class-validator / class-transform looks really nice for formatting/validation but there is also joi. suretype is attractive since theoretically typeconv could generate jsonSchema for json-schema-faker and Open API docs.
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A few questions about type guards
Since Typescript is just a language and not a library of some sorts, it doesn't add runtime functionality. If this is what you're after, there's so many libraries that help converting unknown's into known types - joi, yup, superstruct (my choice), purify-ts Codec, io-ts
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volder is a powerful JavaScript schema builder for value parsing and validation. Define a schema and validate values, volder schema are extremely simple to use, it has custom error messages, custom types, nested schemas.
What does this library provide that is not provided by Yup, Zod, Superstruct (a personal favorite), Joi, Nope, computed-types, typanion, and all the other validation libraries?
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LoForm: Flutter's version of Formik
True, I remember there's Yup and joi for JavaScript
- Joi – The most powerful data validation library for JavaScript
typeconv
Posts with mentions or reviews of typeconv.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-10-04.
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Publishing Rust types to a TypeScript frontend
So I'm assuming you're talking about generating Rust types from TypeScript? If you can get your typescript definitions into OpenAPI (i.e, via typeconv) you can use the openapi generator cli to generate rust types. However this is geared towards web backends rather than pure IPC or cross-lang interop.
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How do you "stitch & glue" types for all your needs?
The class-validator / class-transform looks really nice for formatting/validation but there is also joi. suretype is attractive since theoretically typeconv could generate jsonSchema for json-schema-faker and Open API docs.
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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
What are some alternatives?
When comparing joi and typeconv you can also consider the following projects:
Yup - Dead simple Object schema validation
suretype - Typesafe JSON (Schema) validator
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
class-transformer - Decorator-based transformation, serialization, and deserialization between objects and classes.
class-validator - Decorator-based property validation for classes.
JSON-Schema Faker - JSON-Schema + fake data generators
Superstruct - A simple and composable way to validate data in JavaScript (and TypeScript).
ts-json-schema-generator - Generate JSON schema from your Typescript sources
schema-inspector - Schema-Inspector is a simple JavaScript object sanitization and validation module.
spot - Spot is a concise, developer-friendly way to describe your API contract.
zod - TypeScript-first schema validation with static type inference
sidewinder - Type Safe Micro Services for Node