Showing 1251 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: 2 This Week
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  • 2
    Type on Strap

    Type on Strap

    Simplistic, responsive jekyll based open source theme

    A free and open-source Jekyll theme. Based on Rohan Chandra type-theme packed with extra features and is easily customizable. More colors with less light. You can check how the theme looks. Demo some code snippets, with some mermaid diagrams. Because if you put some code in your blog, you would at least make it searchable and good-looking.
    Downloads: 1 This Week
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  • 3
    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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  • 4
    ty

    ty

    An extremely fast Python type checker and language server

    ...The tool is designed from the ground up to power editor integrations, enabling real-time feedback as developers write code with minimal latency. ty includes advanced type system capabilities such as intersection types, improved type inference, and detailed diagnostics that help identify issues even in partially typed codebases. It supports integration with multiple development environments through its language server implementation, providing features like code navigation, auto-completion, and inline hints.
    Downloads: 5 This Week
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  • 5
    sqlc SQL Compiler

    sqlc SQL Compiler

    Generate type-safe code from SQL

    sqlc generates type-safe code from SQL. You write queries in SQL. You run sqlc to generate code with type-safe interfaces to those queries. You write application code that calls the generated code.
    Downloads: 9 This Week
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  • 6
    next international

    next international

    Type-safe internationalization (i18n) for Next.js

    Type-safe internationalization (i18n) for Next.js.
    Downloads: 1 This Week
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  • 7
    PHPStan Symfony Framework extensions

    PHPStan Symfony Framework extensions

    Symfony extension for PHPStan

    Symfony extension for PHPStan. Sometimes, when you are dealing with optional dependencies, the ::has() methods can cause problems. For example, the following construct would complain that the condition is always either on or off, depending on whether you have the dependency for service installed. You can opt in for more advanced analysis of Symfony Console Commands by providing the console application from your own application. This will allow the correct argument and option types to be...
    Downloads: 14 This Week
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  • 8
    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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  • 9
    Django Ninja

    Django Ninja

    Fast, Async-ready, Openapi, type hints based framework

    Django Ninja is a web framework for building APIs with Django and Python 3.6+ type hints. Designed to be easy to use and intuitive. Very high performance thanks to Pydantic and async support. Type hints and automatic docs lets you focus only on business logic. Based on the open standards for APIs: OpenAPI (previously known as Swagger) and JSON Schema. Django friendly (obviously) has good integration with the Django core and ORM.
    Downloads: 15 This Week
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  • 10
    body-parser

    body-parser

    Node.js body parsing middleware

    ...For example, req.body.foo.toString() may fail in multiple ways, for example the foo property may not be there or may not be a string, and toString may not be a function and instead a string or other user input. The bodyParser object exposes various factories to create middlewares. All middlewares will populate the req.body property with the parsed body when the Content-Type request header matches the type option, or an empty object ({}) if there was no body to parse, the Content-Type was not matched, or an error occurred.
    Downloads: 3 This Week
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  • 11
    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: 0 This Week
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  • 12
    anti-slop

    anti-slop

    Opinionated Oxlint rules for rejecting low-evidence TypeScript

    Anti-slop is an opinionated Oxlint rule set for rejecting low-evidence TypeScript and JavaScript patterns. It is designed to be copied into a repository and customized rather than consumed as a fixed npm dependency. Its rules target practices such as chained type assertions, unsafe dictionary types, broad object parameters, ad hoc runtime type checks, module mocking, and contracts that return unknown. Type assertions can be required to include a safety comment explaining the checked invariant. An included agent skill can copy the plugin, install Oxlint dependencies, merge configuration, and validate the setup. ...
    Downloads: 4 This Week
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  • 13
    IHP

    IHP

    The fastest way to build type safe web apps

    ...IHP is a batteries-included web framework, optimized for longterm productivity and programmer happiness. With IHP all your application code is written in Haskell - a functional programming language with an incredible type system, used by giants such as GitHub and Facebook. Thanks to Haskell's impressive type system you can write code that is far more robust than you have seen before.
    Downloads: 2 This Week
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  • 14
    Idris 2

    Idris 2

    A purely functional programming language with first class types

    In type-driven development, types are tools for constructing programs. We treat the type as the plan for a program, and use the compiler and type checker as our assistant, guiding us to a complete program that satisfies the type. The more expressive the type is that we give up front, the more confidence we can have that the resulting program will be correct.
    Downloads: 0 This Week
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  • 15
    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: 17 This Week
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  • 16
    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: 1 This Week
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  • 17
    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: 3 This Week
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  • 18
    pydantic

    pydantic

    Data parsing and validation using Python type hints

    Data validation and settings management using Python type hinting. Fast and extensible, pydantic plays nicely with your linters/IDE/brain. Define how data should be in pure, canonical Python 3.6+; validate it with pydantic. id is of type int; the annotation-only declaration tells pydantic that this field is required. Strings, bytes or floats will be coerced to ints if possible; otherwise an exception will be raised. name is inferred as a string from the provided default; because it has a default, it is not required. signup_ts is a datetime field which is not required (and takes the value None if it's not supplied). pydantic will process either a unix timestamp int (e.g. 1496498400) or a string representing the date & time. friends uses python's typing system, and requires a list of integers. ...
    Downloads: 3 This Week
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  • 19
    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: 37 This Week
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  • 20
    Agda

    Agda

    Agda is a dependently typed programming language

    Agda is a dependently typed, total functional programming language and interactive theorem prover based on Martin-Löf’s type theory. It allows expressing programs and proofs in the same language, using the Curry–Howard correspondence. It features interactive development via Emacs, Atom, or VS Code. Agda is a dependently typed functional programming language. It has inductive families, i.e., data types which depend on values, such as the type of vectors of a given length. ...
    Downloads: 19 This Week
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  • 21
    actionlint

    actionlint

    Static checker for GitHub Actions workflow files

    ...It analyzes workflow YAML to catch syntax mistakes, invalid keys, expression errors, incorrect action inputs, and workflow configuration problems before they break CI. The tool also performs strong type checks for GitHub Actions expressions, which helps detect nonexistent properties and type mismatches. It can validate reusable workflows, workflow calls, glob syntax, runner labels, cron syntax, and job dependencies. actionlint also integrates with ShellCheck and pyflakes to inspect scripts written inside run: blocks. It is especially useful for developers and teams that rely heavily on GitHub Actions and want faster, more reliable workflow feedback.
    Downloads: 11 This Week
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  • 22
    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: 0 This Week
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  • 23
    RunJS

    RunJS

    A JavaScript playground that auto-evaluates as you type

    Explore and experiment with JavaScript and TypeScript, visualize your ideas and get instant feedback as you type. Exploring JavaScript has never been easier. Live feedback as you type, with per-line results, makes it super clear what your code is doing. With RunJS you have access to Node and Browser APIs, including full DOM access. This gives you a level of versatility that's not possible in a standard REPL or Chrome console. Babel and TypeScript support enables you to write modern, up-to-date syntax. ...
    Downloads: 5 This Week
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  • 24
    AutoMapper

    AutoMapper

    A convention-based object-object mapper in .NET

    ...Takes out all of the fuss of mapping one object to another. AutoMapper is a simple little library built to solve a deceptively complex problem, getting rid of code that mapped one object to another. This type of code is rather dreary and boring to write, so why not invent a tool to do it for us? First, install NuGet. Then, install AutoMapper from the package manager console. AutoMapper is an object-object mapper. Object-object mapping works by transforming an input object of one type into an output object of a different type. What makes AutoMapper interesting is that it provides some interesting conventions to take the dirty work out of figuring out how to map type A to type B. ...
    Downloads: 1 This Week
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  • 25
    io-ts

    io-ts

    Runtime type system for IO decoding/encoding

    Runtime type system for IO decoding/encoding
    Downloads: 2 This Week
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