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Top 6 TypeScript schema-validation Projects
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In this project, we take a code-first approach when working with Firestore. Instead of relying on Firestore rules or ad-hoc validation, we define the shape and structure of a valid message directly in our application code using Zod.
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Civic Auth
Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.
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resolvers
📋 Validation resolvers: Yup, Zod, Superstruct, Joi, Vest, Class Validator, io-ts, Nope, computed-types, typanion, Ajv, TypeBox, ArkType, Valibot, effect-ts, VineJS and Standard Schema
We’ll be using Zod and drizzle-zod for schema validations in forms. Zod is already packaged on the demo application along withReact Hook Form and Zod resolver for React Hook Form. So, go ahead and install drizzle-zod. And also drizzle-seed that is Drizzle's handy package for seeding in development:
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express-zod-api
A Typescript framework to help you get an API server up and running with I/O schema validation and custom middlewares in minutes.
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express-joi-validations
Express middleware to validate request (headers, params, query, body) using Joi
If you now want to validate that username, email and password meets your sing-up criteria, instead of using a bunch of if statements, you can use Joi with the help of express-joi-validations middleware.
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Mockup Storage
Mockup Storage is a simple and quick way to mock data for your tests and projects. It lets you create fake in-memory "databases" that are type-safe and can even save to files. It's perfect for when you need a fast, easy way to simulate data without setting up a real database, especially in multi-user applications
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
TypeScript schema-validation discussion
TypeScript schema-validation related posts
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How to Use Drizzle ORM with PostgreSQL in Next.js 15
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Building a Real-Time Chat App with Firebase and Next.js
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Build a RAG Chat App with Firebase Genkit and Astra DB
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Leveraging the TS type system with APIs: Validation, error handling and free OpenAPI specs
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TypeScript Types Lie & How to Improve Them
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Generating & Building The OpenAI SDK With Stainless & Speakeasy
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All in on CLINE
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A note from our sponsor - CodeRabbit
coderabbit.ai | 25 Apr 2025
Index
What are some of the best open-source schema-validation projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | zod | 37,354 |
| 2 | resolvers | 1,965 |
| 3 | express-zod-api | 701 |
| 4 | mondrian-framework | 11 |
| 5 | express-joi-validations | 0 |
| 6 | Mockup Storage | 0 |
Sponsored
Auth in Less Than 5 Minutes
Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.
www.civic.com