Projects sharing features with Reagent

Effector is a reactive state management library designed for building complex, event-driven applications. It functions as a data flow engine that models application logic as a directed acyclic graph, ensuring that state updates propagate automatically through interconnected nodes. By utilizing atomic state updates and declarative unit composition, the library maintains data consistency and provides a predictable execution model for managing application state. The project distinguishes itself through its framework-agnostic architecture, which decouples business logic from user interface implem

Hyperapp is a functional JavaScript framework for building hypertext applications. It centers on a state management library and a virtual DOM system that creates in-memory interface representations to apply efficient updates to the browser screen via diffing. The framework avoids templates and JSX, instead utilizing function composition and dedicated tag wrappers to generate HTML structures and SVG elements. It implements a unidirectional data flow where a central state object is managed through transformation functions. The system covers declarative UI rendering and functional web interfaci

Ripple is a full-stack TypeScript web framework and reactive UI library used for building interfaces with server-side rendering. It organizes user interfaces into a hierarchy of reusable, scoped components with built-in state management and client-side hydration. The framework is distinguished by its fine-grained reactivity, which updates specific DOM elements without requiring full component re-renders. It integrates server-side logic and client-side components within a single TypeScript codebase, enabling a unified full-stack development workflow. The system covers a broad range of capabil

Didact is a virtual DOM UI framework and functional component library. It utilizes a concurrent rendering engine and a fiber-based reconciliation library to synchronize a visual interface with data changes. The framework implements a concurrent rendering engine that breaks rendering work into resumable chunks. This prevents long-running tasks from blocking the main browser thread by dividing interface updates into small units of work. The system covers virtual DOM implementation and fiber architecture, using a linked-list fiber tree to track element relationships. It manages function compone

This project is a comprehensive interview preparation guide and technical study resource for React. It functions as a frontend engineering curriculum and coding challenge bank designed to help developers master the internal mechanics, patterns, and core fundamentals of the React ecosystem. The resource distinguishes itself by providing a curated collection of technical interview questions, conceptual quizzes, and expert solutions. It includes a bank of coding challenges that can be solved in a browser-based environment with automated test cases and real-time rendering, as well as research int

Observer-util is a reactive state management library that leverages ES6 proxies to automate dependency tracking and synchronization between data and application logic. By wrapping plain data structures in transparent proxies, the library monitors property access and mutations to trigger associated functions automatically whenever the underlying state changes. The library distinguishes itself through its granular control over the reactive lifecycle and execution flow. It provides mechanisms to decouple data change detection from reaction execution, allowing developers to implement custom sched

Observe-js is a JavaScript library designed for reactive state management and automated data synchronization. It provides a framework for monitoring complex data structures, allowing applications to maintain consistency by automatically triggering updates whenever object properties, nested paths, or collection contents are modified. The library distinguishes itself through granular observation capabilities, including the ability to track specific array mutations and deep object changes using low-level property interception. It employs path-based dependency resolution to map complex data struc

Signals is a reactive state management library and fine-grained reactivity engine. It functions as a dependency-tracking state manager that maps relationships between values to ensure derived data and user interface elements remain synchronized. The library distinguishes itself through direct-to-node DOM binding, which allows state to update specific text nodes in the browser without triggering a full component render cycle. It employs a runtime dependency graph and atomic batching to group multiple state modifications into single notification cycles, reducing redundant executions. The syste

mobx-react is a library that provides state bindings to connect React components to MobX observable state. It functions as a component state synchronizer, ensuring that user interface elements automatically re-render only when the specific observed data they consume changes. The project enables a decoupled state architecture by moving business logic and domain state into standalone stores, separating data management from the React component tree. It facilitates global state distribution across deep component hierarchies using providers and context to avoid manual prop drilling. The library c

This project is an educational React implementation tutorial and a concurrent rendering framework. It serves as a step-by-step demonstration of how to build a compatible library from scratch, featuring a virtual DOM engine for calculating element tree differences and a synthetic event system for cross-browser interaction consistency. The framework implements a hook-based state manager to track local component data and share global context. It utilizes a concurrent rendering architecture that employs time-slicing and lane-based priorities to maintain main thread responsiveness during heavy upd

React is a JavaScript library for building user interfaces based on a component-driven architecture and unidirectional data flow.

Om is a frontend state management library and reactive user interface framework that integrates ClojureScript functional programming with the React virtual DOM rendering engine. It provides a bridge to build responsive web interfaces where visual elements automatically update when underlying application data changes. The project centers on a normalized state store that flattens complex data structures into a relational format. This data is accessed through a reader-based querying system, which decouples the user interface from the state by allowing components to declare specific data requirem

Legend-State is a reactive state management library for JavaScript applications that provides a centralized container for application data. It utilizes a fine-grained reactivity engine to track state access automatically, allowing developers to update and retrieve data without the need for boilerplate patterns like reducers, actions, or dispatchers. The library distinguishes itself through its hierarchical, path-based state addressing and proxy-based dependency tracking. By isolating state dependencies, it ensures that user interface updates are triggered only for the specific components that

Voby is a signal-based framework for building reactive user interfaces. It utilizes fine-grained observables to track data dependencies and trigger direct updates to the document object model, bypassing the need for a virtual DOM reconciliation process. By wrapping state in proxies, the framework automatically intercepts mutations to ensure consistent data flow across the application. The framework distinguishes itself through a focus on performance and lifecycle precision. It employs reactive update batching to group state changes into single execution cycles, minimizing redundant operations

jscamp is a full-stack web development and education project focused on mastering JavaScript, TypeScript, and AI integration. It provides a structured curriculum and interactive exercises covering language fundamentals, frontend engineering, and backend API development. The project distinguishes itself through the implementation of autonomous AI agents capable of complex task automation, such as modifying files, managing servers, and executing API calls. It includes advanced AI development tools for conversational querying, real-time code suggestions, and automated repository analysis to gene

React is a JavaScript library for building user interfaces through the composition of modular, self-contained components. It employs a declarative programming model where developers describe the desired visual state, and the library automatically manages the underlying document updates and state synchronization. By utilizing a virtual representation of the document, it calculates and applies minimal changes to the browser, ensuring efficient rendering even in complex applications. The library distinguishes itself through a sophisticated scheduling system that manages rendering work in increme

Inferno is a virtual DOM UI library and high-performance DOM renderer used for building component-based user interfaces. It functions as a server-side rendering engine and a client-side framework that synchronizes application state with the visual interface through a declarative structure. The project distinguishes itself as a React-compatible UI framework, providing a compatibility layer that allows components designed for other reactive environments to run without modification. Its capability surface covers virtual DOM management, including node diffing and reconciliation, and a full serve

This project is a technical breakdown and implementation of a user interface framework's internal architecture, focusing specifically on the mechanics of the virtual DOM, reconciliation, and component lifecycles. It serves as a resource for understanding how a core logic layer manages the transition from high-level component descriptions to physical browser elements. The project distinguishes itself by providing detailed visualizations, including flowcharts and block schemes, to map the reconciliation process and code execution paths. It explores how a platform-agnostic core can be adapted fo

Mithril.js is a JavaScript framework for building single page applications. It functions as a virtual DOM library and reactive UI framework, providing a system to synchronize application state with visual elements to ensure interfaces update instantly. The toolkit includes a built-in client side router that maps browser URL paths to specific components without reloading the page. It also features an integrated HTTP request client for performing asynchronous network calls to remote APIs for data retrieval and transmission. The framework covers broad capabilities for frontend development, incl

Inferno is an isomorphic JavaScript framework and virtual DOM UI library used for building user interfaces. It functions as a server-side rendering engine that converts virtual nodes into HTML strings for the server and hydrates them on the client to optimize initial load speeds and search engine indexing. The framework features a synthetic event system that provides a normalized interface for handling browser interactions consistently across different web environments. It employs a reactive UI model to synchronize state-driven updates and reactive streams with the browser document object mod

Snabbdom is a virtual DOM library and DOM diffing engine used to create and update user interfaces by synchronizing a virtual tree with the browser. It functions as a modular UI framework that provides a system for generating virtual nodes and transforming them into actual browser elements. The project features a modular architecture that separates core rendering logic from optional components. It includes a dedicated SVG rendering engine for managing scalable vector graphics within a virtualized document object model. The library covers a broad range of capabilities, including lifecycle hoo

Effector is a reactive state management library and data flow orchestrator designed for building complex, event-driven applications. It models application logic as a directed acyclic graph, where state updates and asynchronous side effects propagate automatically through declarative pipelines. By decoupling business logic from user interface layers, it allows developers to maintain state in independent containers that communicate via standard interfaces, ensuring the system remains framework-agnostic. The library distinguishes itself through its robust support for isolated execution scopes, w

Preact is a lightweight declarative user interface library designed for building high-performance web applications. It utilizes a component-based architecture where interfaces are defined as functional or class-based units, relying on a virtual DOM to perform efficient state reconciliation and updates. By prioritizing a minimal footprint, the library enables developers to create modular, predictable, and testable user interfaces while maintaining compatibility with standard browser APIs. The library distinguishes itself through a reactive state engine that leverages signals to track dependenc

Moon is a minimal reactive UI library for building user interfaces with a component composition framework, client-side routing, server-side rendering, and signals-based reactivity. It provides a virtual DOM diffing engine that computes minimal real DOM mutations, enabling efficient view updates by comparing in-memory UI representations against previous versions. The library distinguishes itself through a signals-based reactivity system that tracks data dependencies through observable signals, triggering targeted DOM updates only when values change. It implements a state driver pattern for uni

Preact is a declarative UI library and a lightweight alternative to React for building user interfaces. It utilizes a component-based architecture and a virtual DOM to sync application state to the browser interface efficiently. The framework implements a modern React API and provides a compatibility layer to ensure existing component libraries and patterns can run within its environment. It also functions as a server-side rendering engine, generating HTML on the server and hydrating it on the client to optimize page load speeds. Additional capabilities include virtual DOM state management t

Didact is a virtual DOM UI framework and a technical implementation guide for building component-based libraries from scratch. It functions as a concurrent rendering engine that divides interface updates into small units of work to maintain main-thread responsiveness. The project features a fiber-based renderer and a hook-based state manager that utilizes linked-list storage to preserve data across render cycles. It employs a double-buffered render tree to calculate updates before committing them to the user interface. The framework covers recursive DOM mounting to transform virtual elements

Vugu is a Go WebAssembly UI library and framework used to build type-safe, component-based single-page applications. It functions as a single-file component framework that bundles markup, styles, and logic into modular units, utilizing a virtual DOM engine to synchronize state changes with the browser output. The project features a Go component generator that converts custom UI templates into executable Go source code at compile time. It distinguishes itself through a WebAssembly-based runtime that executes application logic as a compiled binary in the browser and a server-side rendering tool