Awesome GitHub RepositoriesOrdered Collection Literals

Lodash is a JavaScript utility library and data manipulation toolkit. It provides a collection of modular functions for transforming, filtering, and validating arrays, objects, strings, and numbers. The project functions as a functional programming toolkit, offering capabilities for function composition, currying, and lazy evaluation. It includes mechanisms for execution control, such as debouncing and throttling, to manage the timing and frequency of function invocations. The library covers a broad surface of data operations, including deep cloning and merging of complex nested structures,

Immutable.js is a library of persistent data structures and a functional state management toolkit. It provides a collection of immutable objects and arrays that prevent direct mutation to ensure predictable state management in JavaScript applications. The library utilizes structural sharing to efficiently create new versions of data without full copying and implements lazy sequence processing to chain data transformations that execute only when values are requested. It also supports batch mutation processing, allowing multiple changes to be applied to a temporary mutable copy before returning

Underscore is a JavaScript utility library providing a suite of functional programming and data manipulation helpers. It serves as a framework for transforming data collections, composing functions, managing objects, and performing precise data type validation without modifying core language prototypes. The project includes a functional programming toolkit designed to control function execution timing and behavior through techniques such as debouncing, throttling, and partial application. It also provides a dedicated object manipulation utility for cloning, merging, picking, and omitting prop

Ramda is a functional JavaScript standard library and toolset for immutable data transformation and composition. It provides a comprehensive suite of pure utility functions designed to enable declarative data processing pipelines. The library is distinguished by its use of automatic function currying and a data-last argument order. These design patterns allow multi-argument functions to be partially applied, simplifying the construction of processing chains where data is passed through a sequence of operations. The toolkit covers broad data manipulation capabilities, including list processin

Crystal is a statically typed, compiled programming language designed for high performance and memory safety. It leverages an LLVM-based compiler to translate source code into optimized machine-executable binaries, while its type-inference-based static analysis enforces strict safety rules during the build process. The language distinguishes itself through a fiber-based concurrent runtime that manages lightweight execution units for asynchronous input and output without blocking the main process. It also features a powerful compile-time macro system that allows for the inspection and transfor

type-fest is a library of reusable utility types for performing complex transformations and validations on objects, arrays, strings, and numeric ranges in TypeScript. It provides a collection of type definitions designed to handle advanced structural changes and constraints. The project distinguishes itself by offering specialized logic for string literal processing, such as casing transformations and pattern-based modifications, and type-level arithmetic for calculating numeric ranges and absolute values. It also includes utilities for enforcing deep immutability, ensuring union mutual exclu

Grav is a flat-file content management system that eliminates the need for a traditional database by storing site content and configuration in human-readable Markdown and YAML files. Built as a modular PHP web framework, it uses a hierarchical page routing system where the physical directory structure directly determines the site's URL paths. The platform is distinguished by its event-driven plugin architecture and a command-line interface that prioritizes system administration, deployment, and maintenance tasks. It utilizes a blueprint-driven system to generate administrative forms from stru

This project is a public community data API that provides a RESTful interface for accessing real-time discussions and metadata. It serves as a JSON data provider, offering structured community information for use in third-party client and server applications. The interface enables the retrieval of public items, stories, and comments, as well as public account information for specific users. It provides capabilities for fetching filtered lists of stories based on ranking or novelty and allows for the discovery of recent items to track new content updates. The system covers a broad range of da

Clojure is a general-purpose, functional programming language hosted on the Java Virtual Machine. It is a homoiconic S-expression language that represents programs as nested data structures, allowing code to be manipulated and evaluated as data. The project provides a framework for JVM interoperability, enabling the invocation of Java methods and integration with other JVM-based languages. It distinguishes itself through a persistent data structure library that uses bitmapped vector tries to manage immutable collections and a programmatic REPL for interactive software development and real-tim

Falcor is a JavaScript library that models remote data as a single virtual JSON graph, providing a path-based query engine for efficient client-side data retrieval and updates. It represents multiple remote data sources as a unified document where entities are accessed via globally unique identity paths. The system distinguishes itself by treating the remote data model as a virtual JSON resource, allowing the client to query specific paths without managing individual endpoints. It uses a reference-aware graph model to handle many-to-many relationships and prevents data duplication. Network ef

DeepCopy is a recursive object cloning library designed to create independent copies of complex nested objects. It functions as a state snapshot utility and object cloning tool that produces clones while preserving the original object graph. The library includes a circular reference handler to duplicate data structures containing self-referencing loops without causing infinite recursion. It also serves as an object property transformer, allowing for the filtering or modification of specific fields and types during the cloning process based on custom matching criteria.

Metalsmith is a Node.js static site generator and static content processor that transforms source files into websites, eBooks, or technical documentation. It functions as a file-to-object transformer, converting directory trees into plain JavaScript objects that can be programmatically manipulated in memory. The project is built around a pluggable build pipeline where files are passed through a sequence of custom functions to transform content and metadata incrementally. This architecture allows users to extend functionality by writing their own plugins or using third-party modules to define

class-transformer is a TypeScript library that converts plain JavaScript objects into typed class instances and back, using decorators to define transformation rules. It serves as a decorator-based object transformer, JSON deserialization library, and property transformation framework, enabling type-safe serialization and deserialization of class instances. The library distinguishes itself through comprehensive property filtering and mapping capabilities. It supports excluding properties by default, by prefix, by operation (serialization or deserialization), or by explicit marking, as well as

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

Object-enumerator is a data structure crawler and enumeration library designed to discover and list all objects stored within deep or circular data references. It functions as a traversal tool that recursively walks through nested arrays and object graphs to identify every individual referenced object. The library flattens complex hierarchical data structures into a linear collection of unique objects. This process enables data structure analysis and memory reference mapping by tracing all objects connected to a root element to understand the overall composition of a data set.

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

Este proyecto proporciona un conjunto completo de patrones de diseño estandarizados, convenciones de nombres y configuraciones de entorno para el desarrollo en Objective-C. Establece un framework consistente para el diseño de API, gestión de memoria y organización de proyectos para asegurar que las bases de código permanezcan legibles y mantenibles a través de los equipos. La guía define estándares específicos para el aislamiento de namespaces utilizando prefijos de clase y un sistema estructurado para nombrar activos. Describe patrones arquitectónicos para protocolos de delegados y mecanismos de manejo de errores destinados a mejorar la seguridad de tipos y la claridad. La cobertura se extiende al formato del código fuente, organización de la estructura de clases y la implementación de singletons thread-safe. También incluye estándares para la configuración de proyectos Xcode, alineando jerarquías físicas de archivos con grupos de proyectos y gestionando configuraciones de compilación.

attrs is a Python library that automatically generates initialization, representation, equality, hashing, and ordering methods from declarative class attribute definitions. At its core, it provides a class decorator metaprogramming framework that intercepts class creation to rewrite the class body, producing dunder methods without manual boilerplate. The library includes a comprehensive attribute validation toolkit with built-in validators for type checks, range constraints, regex matching, length limits, and logical composition of validation rules. The library distinguishes itself through it

Esta librería proporciona un patrón estructural para construir componentes de interfaz de usuario utilizando clases y decoradores de ES6. Funciona como una librería de componentes de TypeScript que permite a los desarrolladores gestionar el estado y la lógica dentro del framework Vue definiendo componentes como clases en lugar de utilizar objetos de opciones estándar. El proyecto utiliza un decorador de TypeScript para traducir las propiedades y métodos de la clase al formato estándar requerido por el entorno de ejecución del framework. Este enfoque permite una arquitectura de componentes basada en clases que aprovecha TypeScript para mejorar la seguridad de tipos y la organización del código. El sistema convierte las definiciones basadas en clases en objetos JavaScript simples a través de la extracción de lógica basada en prototipos y el mapeo basado en decoradores. Además, sincroniza las actualizaciones de datos mapeando los miembros de la instancia de clase al sistema de estado reactivo del componente.

Esta es una librería de tipos de utilidad de TypeScript que proporciona alias de tipo avanzados y tipos mapeados para transformaciones complejas de objetos y uniones. Implementa herramientas especializadas para crear tipos nominales marcados, extraer metadatos de tipo y realizar operaciones de conjuntos en tipos de unión. El proyecto destaca por un kit de herramientas para transformaciones de objetos recursivas, permitiendo la aplicación de restricciones de propiedad como estado de solo lectura u opcional a través de estructuras profundamente anidadas. También proporciona un sistema para calcular intersecciones, diferencias y complementos entre tipos de unión para simular la lógica de conjuntos matemática. La librería cubre una amplia gama de capacidades del sistema de tipos, incluyendo filtrado de propiedades de objeto, comparación de formas y la extracción de constructores de clases y tipos de resolución de promesas. Adicionalmente incluye utilidades para la validación de valores, como la detección de valores falsy o nullish y la identificación de tipos primitivos.