- class-validator VS zod
- class-validator VS joi
- class-validator VS class-transformer
- class-validator VS io-ts
- class-validator VS TypeORM
- class-validator VS schema-builder
- class-validator VS openapi-typescript-validator
- class-validator VS typebox
- class-validator VS typescript-is
- class-validator VS typedi
Class-validator Alternatives
Similar projects and alternatives to class-validator
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class-transformer
Decorator-based transformation, serialization, and deserialization between objects and classes.
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Appwrite
Appwrite - The Open Source Firebase alternative introduces iOS support . Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!
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schema-builder
A typescript JSON Schema library that creates a schema and its type at the same time
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TypeORM
ORM for TypeScript and JavaScript (ES7, ES6, ES5). Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.
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openapi-typescript-validator
Generate typescript with ajv validation based on openapi schemas
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SonarLint
Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.
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typebox
JSON Schema Type Builder with Static Type Resolution for TypeScript
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ajv
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
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typedi
Simple yet powerful dependency injection tool for JavaScript and TypeScript.
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TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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first-contributions
🚀✨ Help beginners to contribute to open source projects
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Superstruct
A simple and composable way to validate data in JavaScript (and TypeScript).
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Paste JSON as Code • quicktype
Xcode extension to paste JSON as Swift, Objective-C, and more
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typescript-runtime-type-benchmarks
📊 Benchmark Comparison of Packages with Runtime Validation and TypeScript Support
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typeconv
Convert between JSON Schema, TypeScript, GraphQL, Open API and SureType
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better class-validator alternative or higher similarity.
class-validator reviews and mentions
Posts with mentions or reviews of class-validator.
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/
- Why doesn’t TypeScript natively do any type checking
- Cursus NestJS - Validation via les DTO
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`ls-enum`: list all possible values for a given enum at runtime
This is a little trick I pulled when doing this https://github.com/typestack/class-validator/pull/887, then I decided to write about it here https://stackrant.com/posts/typescript-enum-list-values. Now, since I've found myself using it in a lot of projects over the time, I decided to publish it, in case anybody else might find it useful. Feedback appreciated.
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Rewrite Dynamic form group builder for Angular13+
As before, a fork is used to support error translations - https://github.com/EndyKaufman/class-validator-multi-lang (PR: https://github.com/typestack/class-validator/pull/743)
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When can i start contributing to open source ?
After that I have recently gotten into contributing some code to a few projects that I use, class-validator and validator.js which are nice and simple to contribute to validators mostly follow a standardised format.
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How to properly sanitise & check POST data from REST API? Which libraries can you suggest? best ways nowadays in 2022
I really enjoyed using class-transformer and class-validator for this.
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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.
- Handling json input in an express app
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How to implement value changes in interface?
There's also https://github.com/typestack/class-validator which is specifically for object validation.
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PART 1: Controllers the NEST.js way
class-validator offers you a lot of decorators that you can use for validation, so lets start by defining the username property to be mandatory (@IsNotEmpty()) and a min length of 3 characters (@MinLength(3)) . Explore all the class-validator decorators here that you can use for validation.
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JSON Schema === Runtime Type System for TypeScript
class-validator + class-transformer. Your build pipeline needs to support the TC39 decorators proposal (the TypeScript compiler has this built-in).
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How should I map my models to concrete classes?
On top of that, you want to keep in mind why some other commenters have said not to use classes. If you aren't getting any benefit from them, such as methods or getters and setters, it's more common to use objects in Ts but there's nothing inherently wrong with using classes as you can then combine them with additional libraries such as class-validator to bake a ton of functionality into your apps.
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Validating nested objects with class-validator in NestJS
Today I have for you a rapid and short article. Maybe it will help someone. I'm using class-validator for request validation in NestJS really often. A few days ago I needed to validate a nested object. Quick look to the class-validator validation:
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Custom validation with database in NestJS
But what if you would like to create your own validator, and use it with class-validator library? Easy, just quick look at the documentation and you can write your own rules and can use it with @Validate() decorator. Better! It's fabulously simple to write own decorators and have your whole request validation class consists.
Stats
Basic class-validator repo stats
18
8,107
8.6
3 days ago
typestack/class-validator is an open source project licensed under MIT License which is an OSI approved license.
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