Showing 125 open source projects for "type it"

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  • 1
    type-fest

    type-fest

    A collection of essential TypeScript types

    type-fest is a TypeScript utility types library that offers a curated, battle-tested suite of type definitions and type transformations that aren’t included in the TypeScript standard library. It provides types like Except, Merge, LiteralUnion, Writable, Promisable, PartialDeep, JsonObject, and many others that solve everyday typing needs in complex TypeScript codebases.
    Downloads: 3 This Week
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  • 2
    type-challenges

    type-challenges

    Collection of TypeScript type challenges with online judge

    type-challenges is a massive set of TypeScript type-level puzzles that turn the compiler into a playground for metaprogramming. Each challenge is a miniature kata where you implement types that transform other types—parsing strings, inferring tuples, mapping unions—without writing any runtime code. Problems are arranged from warm-ups to brain-twisters, letting developers build intuition about distributive conditional types, inference in extends, variance, and other corner cases of the type system. ...
    Downloads: 0 This Week
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  • 3
    next international

    next international

    Type-safe internationalization (i18n) for Next.js

    Type-safe internationalization (i18n) for Next.js.
    Downloads: 2 This Week
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  • 4
    tsafe

    tsafe

    The missing TypeScript utils

    Tsafe is a lightweight TypeScript utility library designed to improve type safety and code clarity. It provides helpers for runtime type assertions, exhaustive type checking, and ensuring strict type constraints.
    Downloads: 1 This Week
    Last Update:
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  • 5
    Pothos GraphQL

    Pothos GraphQL

    Pothos GraphQL is library for creating GraphQL schemas in typescript

    ...It makes building graphql schemas in typescript easy, fast and enjoyable. The core of Pothos adds 0 overhead at runtime, and has graphql as its only dependency. Pothos is the most type-safe way to build GraphQL schemas in typescript, and by leveraging type inference and typescript's powerful type system Pothos requires very few manual type definitions and no code generation. Pothos has a unique and powerful plugin system that makes every plugin feel like its features are built into the core library. Plugins can extend almost any part of the API by adding new options or methods that can take full advantage of the Pothos type system. ...
    Downloads: 2 This Week
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  • 6
    Pyright

    Pyright

    Static type checker for Python

    Type inference for function return values, instance variables, class variables, and globals. Type guards that understand conditional code flow constructs like if/else statements. Type hinting generics in standard collections. Pyright ships as both a command-line tool and a VS Code extension that provides many powerful features that help improve programming efficiency.
    Downloads: 2 This Week
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  • 7
    io-ts

    io-ts

    Runtime type system for IO decoding/encoding

    Runtime type system for IO decoding/encoding
    Downloads: 6 This Week
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  • 8
    Valibot

    Valibot

    Modular and type safe schema library for validating structural data

    Valibot is a modular and type-safe schema library for validating structural data. It provides developers with tools to define and enforce data schemas, ensuring data integrity and consistency across applications.​
    Downloads: 1 This Week
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  • 9
    Prisma

    Prisma

    Next-generation ORM for Node.js and TypeScript

    ...We designed the API to be intuitive for both SQL veterans and people brand new to databases. Auto-completion, linting, formatting and more help Prisma developers in VSCode stay confident without distractions. Prisma Client puts extra emphasis on extensive type safety for more productive development in TypeScript. Prisma is a server-side library that helps your app read and write data to the database in an intuitive and safe way.
    Downloads: 44 This Week
    Last Update:
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  • 10
    ArkType

    ArkType

    TypeScript's 1:1 validator, optimized from editor to runtime

    ArkType is a high-performance runtime type validation library for TypeScript. It offers a 1:1 validator optimized from editor to runtime, enabling developers to define and enforce complex type constraints seamlessly.​
    Downloads: 2 This Week
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  • 11
    Zod

    Zod

    TypeScript-first schema validation with static type inference

    TypeScript-first schema validation with static type inference. Zod is a TypeScript-first schema declaration and validation library. I'm using the term "schema" to broadly refer to any data type, from a simple string to a complex nested object. Zod is designed to be as developer-friendly as possible. The goal is to eliminate duplicative type declarations. With Zod, you declare a validator once and Zod will automatically infer the static TypeScript type. ...
    Downloads: 0 This Week
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  • 12
    ts-blank-space

    ts-blank-space

    A small, fast, pure JavaScript type-stripper

    ts-blank-space is a fast type-stripping compiler that converts TypeScript to JavaScript. It supports a modern subset of TypeScript by erasing the types and replacing them with whitespace. That's it. It is not a type checker and does not perform any other code transformations. The underlying technique can improve build performance and simplify development. The implementation is pure TypeScript.
    Downloads: 1 This Week
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  • 13
    React Router

    React Router

    Declarative routing for React

    ...It enables robust routing experiences across React versions. It supports advanced features in React 19. You can use it maximally as a React framework or minimally as a library with your own architecture. First‑class type safety with automatic type generation for route params and data. It is designed to facilitate migration from React 18 to React 19 with non‑breaking upgrades
    Downloads: 1 This Week
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  • 14
    OpenAPI TypeScript Codegen

    OpenAPI TypeScript Codegen

    NodeJS library that generates Typescript or Javascript clients

    OpenAPI TypeScript Codegen is a tool that generates TypeScript clients from OpenAPI specifications, facilitating type-safe API interactions in TypeScript applications.
    Downloads: 3 This Week
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  • 15
    Fork TS Checker Webpack Plugin

    Fork TS Checker Webpack Plugin

    Webpack plugin that runs typescript type checker on a separate process

    Webpack plugin that runs TypeScript type checker on a separate process. Speeds up TypeScript type checking (by moving it to a separate process). Supports modern TypeScript features like project references and incremental mode. Supports Vue Single File Component. Displays nice error messages with the code frame formatted. This plugin requires Node.js >=12.13.0+, Webpack ^5.11.0, TypeScript ^3.6.0.
    Downloads: 1 This Week
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  • 16
    fp-ts

    fp-ts

    Functional programming in TypeScript

    ...Because data types all share common interfaces (through type classes), once you learn how to use one data type, you can apply the same concepts to the others.
    Downloads: 1 This Week
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  • 17
    TanStack Router

    TanStack Router

    Fully typesafe Router for React (and friends) w/ built-in caching

    TanStack Router is a modern, fully type-safe routing library designed for React and Solid applications, offering robust routing capabilities with first-class support for data loading, search parameters, nested layouts, and seamless integration with client-side caching libraries like TanStack Query. nd‑to‑end type safety (routes, params, loaders). Schema‑driven search params with validation.
    Downloads: 2 This Week
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  • 18
    TypeGPU

    TypeGPU

    A modular and open-ended toolkit for WebGPU

    TypeGPU is a modular TypeScript toolkit for working with WebGPU in a more type-safe and developer-friendly way. It lets developers define GPU logic with advanced type inference while still targeting WebGPU and WGSL-based execution. The project is designed for graphics, compute shaders, GPU programming, and high-performance browser or React Native experiments. It can generate WGSL from TypeScript-style functions, helping developers keep GPU code closer to the rest of their application logic. ...
    Downloads: 1 This Week
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  • 19
    Deepkit Framework

    Deepkit Framework

    A new full-featured and high-performance TypeScript framework

    A new full-featured and high-performance TypeScript framework for enterprise applications. High-quality TypeScript libraries and next-gen backend framework. Leverage TypeScript types to the fullest, in completely new ways. A runtime type system for JavaScript, powered by TypeScript types. Deepkit's type compiler makes it possible to use the whole TypeScript type system in any JavaScript runtime for the first time enabling completely new ways of writing data-driven applications. A framework that brings aligned libraries together to make web application development faster, more productive, and easier than ever. ...
    Downloads: 0 This Week
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  • 20
    Typegoose

    Typegoose

    Define Mongoose models using TypeScript classes

    A library that enables developers to use TypeScript classes as MongoDB models, bridging TypeScript with Mongoose for type-safe MongoDB operations.
    Downloads: 1 This Week
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  • 21
    react-rollup-boilerplate

    react-rollup-boilerplate

    Boilerplate for creating React component libraries

    This boilerplate is tailored for creating React component libraries, utilizing Rollup.js to bundle components into ES Modules and CommonJS formats. It incorporates TypeScript for type safety and Storybook for interactive component development, streamlining the process of building and distributing reusable React components.
    Downloads: 2 This Week
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  • 22
    Supabase

    Supabase

    The open source Firebase alternative

    ...Write custom code and cron jobs without deploying or scaling servers. We introspect your database to provide APIs instantly. Stop building repetitive CRUD endpoints and focus on your product. Type definitions built directly from your database schema. Use Supabase in the browser without a build process. Develop locally and push to production when you're ready. Manage Supabase projects from your local machine.
    Downloads: 120 This Week
    Last Update:
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  • 23
    next-forge

    next-forge

    Production-grade Turborepo template for Next.js apps

    ...Authentication, billing, analytics, SEO, database ORM and more. Create and preview email templates with a React-based email library. A twblocks website template with a type-safe blog, bulletproof SEO, and legal pages, powered by Content Collections. Simple, beautiful out of the box, and easy-to-maintain documentation. Use Prisma Studio to visualize your database, and generate Prisma client code.
    Downloads: 4 This Week
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  • 24
    Drizzle ORM

    Drizzle ORM

    Headless TypeScript ORM with a head. Runs on Node, Bun and Deno

    Drizzle ORM is a lightweight, TypeScript-first Object-Relational Mapping (ORM) tool designed for modern JavaScript runtimes. It supports environments like Node.js, Bun, Deno, and even edge runtimes, providing developers with a flexible and type-safe way to interact with databases. Drizzle ORM emphasizes performance and developer experience.
    Downloads: 3 This Week
    Last Update:
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  • 25
    Kysely

    Kysely

    A type-safe typescript SQL query builder

    Kysely (pronounce “Key-Seh-Lee”) is a type-safe and autocompletion-friendly typescript SQL query builder. Inspired by knex. Mainly developed for node.js but also runs on deno and in the browser. Kysely makes sure you only refer to tables and columns that are visible to the part of the query you're writing. The result type only has the selected columns with correct types and aliases.
    Downloads: 0 This Week
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