class-validator
Yup
class-validator | Yup | |
---|---|---|
29 | 113 | |
10,501 | 22,228 | |
0.9% | - | |
9.2 | 6.8 | |
10 days ago | 10 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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class-validator
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Popular Libraries For Building Type-safe Web Application APIs
You can learn more from the documentation here.
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[DDD] Tactical Design Patterns Part 3: Presentation/Infrastructure Layer
This is the request body when creating a new task. The IsString decorator provided by class-validator rejects all types other than strings, including undefined or null. The task name value object does not consider the possibility of values other than strings.
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DRY Principle in Your AWS SAM Application with Middlewares
In this class, we are using the famous class-validator to decorate our request parameters. This way it is more clear how we are going to use our request object and everything.
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Show HN: Graphweaver – Instant GraphQL API on Postgres, MySQL, SQLite and More
We add validation using https://github.com/typestack/class-validator.
I will make sure we get this documented.
- [Nestia] Boost up your NestJS server much faster and easier (maximum 20,000x faster)
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How can I declare, integrate a JSON (or similar type that is supposed to be data sent from a server) file into my Angular app, and use it;s data to display the array of Devices within it?
Also OP can check out class-transformer + class-validator if he want to properly instantiate objects and validate them with precise and verbose output of potential format errors. OP can even go the god tier way by setting up a custom RxJS operator that does that for him easily.
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NestJS GraphQL image upload into a S3 bucket
Start by installing the class-transformer and class-validator packages for dto validation (see more in the docs), sharp for image optimization, and the S3 client packages.
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NestJS vs. Ditsmod: auto-validation
The description of the request body model in NestJS is similar to the description of Ditsmod models, but NestJS uses decorators provided by the utility class-validator. In NestJS, it is customary to name the request body model with the ending *Dto (this is an abbreviation of Data transfer object):
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Is there any reason not to use typescript?
You could use Zod or Superstruct to validate the types of values, or use typestack/class-validator if it makes sense.
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I found 10,000x faster TypeScript validator library
Also, title of before article was I made 1,000x faster TypeScript validator library, but today's benchmark is showing that typescript-json is maximum 6,500x times faster. It's just because I added a new library class-validator in the benchmark and it is much slower than previous zod. Of course, I've continuously tuned the performance, but it just improved the performance about 2x times only.
Yup
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Converting React Forms to Formik and Yup
Formik and Yup empower you to build robust and user-friendly forms in React. By leveraging their capabilities, you can streamline form management, reduce boilerplate code, and ensure a smooth user experience with clear and effective validation. Refer to the official documentation of Formik https://formik.org/ and Yup https://github.com/jquense/yup for in-depth exploration and advanced use cases.
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Crafting Forms in React: Vanilla vs. React Hook Form vs. Formik
On the other hand, Formik gives you components that you can mix and match to have fully working forms. Formik has builtin support for Yup for data validation.
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Using React Select with Formik
I was recently building an application that, among other features, allows a user to submit chess players and chess games to a database. I was utilizing Yup for form schema and Formik for error handling, validation, and form submission.
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A simple Vue form validation composable with Zod
Sometimes our use case might not require a full-blown form validation library though and we might already have a schema validation library installed in our project such as Zod or Yup. In that case, a simple Vue composable is all that is needed to provide a great form validation UX.
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validation ???
As for validation libraries, I would recommend Yup. With it you define your validation rules in a schema object which can be used where ever you need to do validation. It also integrates very nicely with react-hook-form which is what I’ve moved to using for any nontrivial forms.
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Top 5 form validation libraries in React JS and Next JS
GitHub Repository:
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Enhancing Redwood: A Guide to Implementing Zod for Data Validation and Schema Sharing Between the API and Web Layers
I'm currently experimenting with the fantastic Redwood framework. However, while going through the excellent tutorial, I didn't find any guidance on using data validation libraries like Yup, Zod, Vest, etc. So, I had to do some investigation and came up with a solution. This article describes the implementation of validation with Zod in a fresh Redwood app. You can find the sources at this github repository.
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Creating a form In React Native With Formik
Do you want to create a form in your React Native app but don't know how? Then this post is for you! In this post I will teach you how to create forms using a library called Formik , as well as how to integrate non-native form components with Formik. Additionally you will learn how to validate forms using Yup (which Formik supports out of the box)
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Authentication in Next.js with Supabase Auth and PKCE
The project has two authenticated pages - Home and Profile. Unauthenticated users can Sign In, Sign Up, Reset Password and Update Password. All of this is powered by Next.js app router, with usage of both Client and Server Components, and Supabase handling all of the authentication related functionality. Forms are built using Formik and Yup for field validation.
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The DynamoDB-Toolbox v1 beta is here 🙌 All you need to know!
Similarly to zod or yup, attributes are now defined through function builders. For TS users, this removes the need for the as const statement previously needed for type inference (so don't forget to remove it when you migrate 🙈).
What are some alternatives?
zod - TypeScript-first schema validation with static type inference
joi - The most powerful data validation library for JS [Moved to: https://github.com/hapijs/joi]
joi - The most powerful data validation library for JS [Moved to: https://github.com/sideway/joi]
class-transformer - Decorator-based transformation, serialization, and deserialization between objects and classes.
TypeORM - ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
Superstruct - A simple and composable way to validate data in JavaScript (and TypeScript).
io-ts - Runtime type system for IO decoding/encoding
jest - Delightful JavaScript Testing.