Awesome GitHub RepositoriesRuntime Type Validation

fp-ts is a TypeScript library that brings pure functional programming patterns to the language through algebraic data types, type class abstractions, and composable combinators. It provides foundational data types like Option for optional values, Either for typed error handling, and Task for lazy asynchronous computations, all designed to make invalid states unrepresentable and side effects explicit. The library is built on category theory concepts, offering type classes such as Functor, Applicative, Monad, Semigroup, and Monoid with lawful instances for common data structures. The library di

Torch7 is a scientific computing environment and tensor computation library used for deep learning research and numerical analysis. It functions as a Lua-based framework for training neural networks and learning agents, providing a toolkit for implementing architectures and training through reinforcement learning algorithms. The project is distinguished by its tight integration with C, utilizing a binding layer to map high-level scripting to low-level C structures for direct memory access. It supports hardware-accelerated computation by offloading linear algebra and convolution operations to

Valibot is a modular, type-safe schema library for validating and parsing structural data in TypeScript environments.

Apache Beam is a distributed data pipeline framework and unified data processing model designed to handle both bounded batch data and unbounded real-time streams. It provides a system for building scalable, data-parallel workflows that operate across compute clusters using a single programming model. The framework utilizes a cross-runner pipeline abstraction that decouples the data processing logic from the underlying execution backend, allowing the same pipeline to run on different distributed compute engines. It supports multi-language pipeline development by translating high-level code fro

Expr is a high-performance expression evaluation engine and language for Go applications. It functions as a dynamic rule engine that parses and executes custom logic and data validations at runtime without requiring the application to be recompiled. The system utilizes a sandboxed logic executor to run expressions without side effects. It ensures program termination by employing instruction-level loop detection to prevent infinite loops and isolates the evaluation process from the host system. The engine employs a bytecode-based virtual machine and abstract syntax tree analysis to achieve ex

Arktype is a TypeScript runtime validation library and schema orchestrator. It synchronizes TypeScript types with runtime data validation, allowing users to define type-safe schemas that ensure unknown data adheres to specific structures during application execution. The project distinguishes itself by using set-theory type analysis to determine intersections and subtype compatibility, alongside JIT-compiled validation functions for optimized performance. It supports advanced type modeling through branded type constraints, recursive alias resolution, and the ability to generate runtime valida

MobX State Tree is a structured, tree-based state management library for JavaScript applications that combines typed model definitions with reactive snapshots and patch-based change tracking. It provides a reactive state container with runtime and compile-time type safety, where application state is defined as a tree of typed models with collocated actions, computed views, and lifecycle hooks for predictable state mutations. The library is built around an action-centric mutation model that encapsulates all state changes within named functions that directly modify the tree, supported by genera

io-ts is a TypeScript runtime validation library that provides a composable codec system for decoding and encoding data at the boundaries of an application. It defines data schemas using structural types, where the shape of data determines its validity rather than nominal names, and produces runtime type guards from those definitions for efficient validation checks. The library is built around bidirectional codec mappings that combine decoding, encoding, and type checking into single reusable units. It supports a composable decoder pipeline where small validation steps can be chained together

Typia is a compile-time code generator that transforms TypeScript type annotations into runtime validation, serialization, and schema functions without requiring decorators or separate schema files. It generates optimized validation and serialization code during TypeScript compilation, producing dedicated functions for each type that eliminate runtime schema objects for faster execution. The project extends this core capability into several integrated areas. It generates fully typed client SDKs from NestJS controller source code, keeping server and client types synchronized automatically. It

Typeshed es una colección de definiciones de tipos estáticos y stubs para la biblioteca estándar de Python y paquetes de terceros. Sirve como un recurso estandarizado para analizadores estáticos y entornos de desarrollo integrados (IDE) para validar la corrección del código y proporcionar autocompletado basado en tipos sin modificar el código fuente original de las bibliotecas. El proyecto se centra en la creación y mantenimiento de archivos de pistas de tipo externos que separan las anotaciones de tipo de la implementación en tiempo de ejecución. Utiliza un sistema para versionar y mapear estos stubs a versiones específicas de paquetes en tiempo de ejecución para mantener la compatibilidad. El repositorio incluye una suite de validación para garantizar la precisión de estas definiciones. Esto cubre la validación de tiempo de ejecución a stub para identificar discrepancias entre tipos declarados y reales, verificación de la estructura de directorios y pruebas de regresión para evitar la reintroducción de errores de verificación de tipos conocidos.

prop-types es un validador de objetos JavaScript y verificador de tipos en tiempo de ejecución. Sirve como una herramienta de desarrollo para verificar que las propiedades de los objetos coincidan con especificaciones predefinidas, utilizado principalmente para asegurar que los datos pasados a los componentes de React se alineen con los tipos esperados. La utilidad detecta inconsistencias de datos registrando advertencias en la consola cuando ocurren discrepancias, en lugar de lanzar excepciones. Emplea una caché de advertencias con estado para evitar registros duplicados y restringe la lógica de validación a entornos que no son de producción para evitar la sobrecarga de rendimiento en builds lanzados. El proyecto cubre la validación de datos mediante el recorrido recursivo de objetos y la coincidencia basada en especificaciones. También proporciona herramientas de desarrollo para restablecer el historial de advertencias durante los ciclos de prueba.

ts-essentials is a comprehensive toolkit of utility types and libraries for TypeScript, providing advanced primitives for recursive structural transformations, runtime assertions, and type guards. It serves as a utility library for performing complex type-level programming to ensure stronger type safety and reduce boilerplate. The project distinguishes itself through a specialized set of tools for deep object manipulation, such as recursively applying read-only or optional modifiers across nested hierarchies. It also provides a dedicated set of strict type constraints to ensure data structure

Structs is a reflection utility and type inspection framework for Go. It provides tools for inspecting, converting, and validating data structures by extracting field names, tags, and values from Go objects. The library specializes in transforming Go structs into generic maps or slices for serialization and data manipulation. It utilizes tag-driven mapping to determine custom keys and exclusion rules during these transformations. The project covers broader capabilities including metadata extraction, type validation to verify if variables are structs or pointers, and initialization verificati

Locutus is a multi-language utility library and polyfill collection written in TypeScript. It provides a comprehensive set of implementations for standard library functions from various programming languages, enabling developers to use familiar semantics and behaviors across different technical environments. The library functions as a cross-language standard library, porting core logic and utilities from diverse languages into a type-safe TypeScript toolset. It focuses on maintaining consistent behavior through a polyfill-based design that replicates the original functionality of these foreig