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React
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useActionState in React: A practical guide with examples
- The useActionState in React is a Hook that simplifies handling user actions like form submissions and async state changes.
- It replaces the need for managing complex form states with useState, useEffect, and extra logic.
- With useActionState, you can tie user actions to state updates, such as form submissions, in a cleaner and more predictable manner.
- The basic usage involves passing in a function that runs on user action and an initial state to set the starting point.
- The Hook returns the current state, a form action to connect to the
- Benefits of useActionState include reduced boilerplate, simplified async updates, and improved performance by avoiding unnecessary re-renders.
- Practical examples demonstrate its usage in scenarios like a counter app, form submissions with async operations, and like button components.
- For form submissions, useActionState simplifies the state management into a single Hook, enhancing readability and reducing boilerplate.
- In the context of handling multiple actions in a component, useActionState keeps the logic clean and isolated for each action.
- Overall, useActionState streamlines UI logic, especially with async flows, and combines state updates with Server Actions for a more maintainable codebase.
- Give useActionState a try if you find yourself writing too much code for state transitions or loading indicators, as it can make your codebase cleaner and more enjoyable to work with.
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Dev
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426
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How to Create a VTuber Studio with Three.js, React & VRM
- To create a VTuber studio on the web, one can use tools like Three.js, React, and VRM models.
- VRM (Virtual Reality Model) is a 3D avatar format commonly used by VTubers and in games, with standardized structure and easy integration.
- For creating a custom avatar, VRoid Studio is a free tool for designing and exporting avatars in the .vrm format.
- To bring the avatar into a web environment, Three.js and the VRM Loader with @pixiv/three-vrm library can be used, along with real-time face and body tracking using Google's Mediapipe and Kalidokit.
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Dev
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Scalable React Component Patterns: From Atomic Design to Compound Components
- Promote reusability, reduce prop drilling, create highly customizable UIs, and avoid tech debt by implementing advanced React component patterns.
- Atomic Design breaks the UI into atoms, molecules, organisms, templates, and pages, enabling consistency, design system reuse, and scalability.
- Compound components share implicit state using React context, allowing multiple components to work together seamlessly.
- Other patterns include controlled and uncontrolled components, render props for component logic sharing, headless components for logic without markup, and presentational and container components for separating logic from UI.
- Context, portals, custom hooks, refs, and imperative handles are also important tools in React component patterns.
- Understanding and implementing these patterns leads to cleaner, reusable, and consistent UI systems, better collaboration, and more maintainable code.
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Dev
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261
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React js-Axios,usestate,useeffect
- Axios is a promise-based HTTP client for JavaScript that simplifies making HTTP requests from both the browser and Node.js environments.
- Key features of Axios include a promise-based API, support for all modern browsers, automatic JSON data transformation, request and response interceptors, timeout and request cancellation handling.
- To use Axios in a React application, you need to install it and import it into your component. Axios can be used to make various HTTP requests like GET, POST, PUT, DELETE, etc.
- useState is a React hook that allows functional components to manage state. It provides a way to initialize and update state values in a more concise and efficient manner.
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Medium
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Deploy React App with Full CI/CD Pipeline on AWS | GitHub + CodePipeline + S3
- Build a fully automated CI/CD pipeline using AWS CodePipeline, CodeBuild, and Amazon S3 to deploy a React.js application hosted on GitHub.
- App automatically builds and deploys to a static website on S3 whenever a push is made to the repository.
- Cloning a React app from GitHub, creating an S3 bucket, setting up CodeBuild to build the app, and creating the CodePipeline.
- Tutorial available on Julien Muke's YouTube channel for detailed steps and visual learning.
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Hackernoon
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React’s New Server Components Might Be the Death of Bloated Web Apps
- React introduced React Server Components (RSC) to address the limitations of Client-Side Rendering (CSR), Server-Side Rendering (SSR), and Static Site Generation (SSG).
- RSC allows components to execute on the server, removing the need to send unnecessary JavaScript to the browser and simplifying data fetching logic.
- RSC coexists with SSR and SSG, offering finer-grained control over performance, bundle size, and rendering behavior.
- Next.js 15 introduced RSC as a core feature, allowing components to access server-side data directly and eliminating the need for client-side hydration for static content.
- RSC doesn't support traditional React hooks like useState and useEffect in server components, enforcing a clear separation of responsibilities.
- Developers can combine RSC with SSR and SSG at the component level in Next.js 15, choosing the most appropriate rendering strategy for each part of the UI.
- Best practices include starting with server components, keeping boundaries clear, using Suspense for progressive delivery, and co-locating logic with components.
- Looking ahead, RSC represents a foundational shift in how React applications are built, allowing for a server-first approach and redefining frontend architecture.
- The broader frontend ecosystem is shifting towards server-first rendering, with frameworks like Remix, Astro, and Qwik emphasizing server data loading and minimal client-side JavaScript.
- As React 19 and the ecosystem evolve, more granular debugging tools, better DevTools integration, and higher-order patterns for rendering strategies are expected.
- React Server Components are seen as a React-native solution to scaling interactivity and performance by sending less JavaScript and adopting a purpose-first approach.
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Medium
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174
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Why Choose Next.js Over Create React App
- Next.js offers several advantages over Create React App for building React apps.
- Next.js simplifies routing by allowing the creation of new files inside the 'pages' folder.
- Next.js enables server-side rendering, allowing content to be shown before the page loads.
- Next.js eliminates the need for a separate backend server, as it allows the creation of API endpoints within the same project.
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Logrocket
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React Hook Form vs. React 19: Should you still use RHF in 2025?
- React Hook Form is a performant form validation library in React that uses uncontrolled inputs instead of state to control inputs, reducing re-renders.
- It is minimal, lightweight (8.6 kB minified and gzipped), has zero dependencies, and follows HTML standards for validation.
- React 19 introduces built-in form handling, but the question arises whether to still use React Hook Form in 2025.
- React 19 uses a new approach with form Actions, asynchronous functions handling form submissions directly, and leverages browser's built-in form behavior.
- React 19 simplifies form handling with a focus on web fundamentals, eliminating the need for manual state tracking and resetting forms.
- React 19 uses the FormData API to access form values, without the need to track input state in React.
- React Hook Form offers flexibility, complex validation support with libraries like Yup, and is beneficial for large-scale forms, dynamic fields, and complex validation rules.
- React Hook Form provides integration with UI component libraries, making it easier to create forms with various components and validation rules.
- Using React Hook Form in scenarios where high performance, flexibility, and complex validation are required is recommended over React 19's native form handling.
- React Hook Form maintains its relevance in 2025 for projects needing advanced form handling capabilities beyond what React 19 offers.
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Hackernoon
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Can Hippos Exoskeleton's Smart Knee Brace React in Time to Prevent ACL Injuries?
- Hippos Exoskeleton Limited has developed the Smart Adaptive Knee Brace to prevent ACL injuries.
- The knee brace combines a sensor fusion system and an inflatable airbag to detect and prevent knee injuries before they occur.
- The system measures tibial rotation angle and inflates the airbag to restrict further motion when a dangerous rotation is detected.
- Initial testing on an artificial knee joint showed promising results, with the brace countering twisting motion in just 20ms.
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Dev
2M
225
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🧩 React Form Management & Schema Validation: A Beginner-Friendly Overview
- Form management libraries like React Hook Form, Formik, React Final Form, Unform, Informed, and TanStack Form can simplify state handling, validation, and submission flow in React forms.
- Schema validation libraries like Zod, Yup, Joi, Superstruct, and AJV provide declarative and consistent validation rules for enforcing data integrity in forms.
- To supercharge form management libraries with schema validation, you can combine them by using a resolver, such as the zodResolver in React Hook Form, to integrate the validation rules defined in schema libraries like Zod or Yup.
- By combining form management libraries with schema validation, you can achieve cleaner, more scalable, and type-safe code in React forms.
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IGN
2M
381
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The Elder Scrolls 4: Oblivion Remastered Fans React to All the Biggest Changes, Say It's Good Enough to Be Called a Remake
- The Elder Scrolls 4: Oblivion Remastered by Bethesda and Virtuos features numerous improvements and changes that give the classic RPG a fresh update.
- Visual upgrades include rebuilt models and environments, realistic lighting, and improved lip-syncing technology.
- Fans have reacted positively, with many feeling the remaster is more like a remake and applauding the enhancements.
- Gameplay tweaks such as a cleaner lock-picking system and the ability to sprint have been implemented.
- The level-up system now bridges elements from both Oblivion and Skyrim, catering to a modern audience.
- Despite significant changes, Bethesda aimed to maintain the original charm and essence of Oblivion in the remaster.
- Players appreciate decisions like retaining old voice actors, updating gameplay, and enhancing the UI while preserving the original look.
- The remaster has received praise for its attention to detail and faithful updates to the beloved classic game.
- Oblivion Remastered is available on PC, PS5, and Xbox Series X and S, offering both new and returning players a revitalized experience.
- Excitement surrounding the remaster has been high among RPG fans, with the new version bringing enhancements and nostalgia to the forefront.
- The remaster is priced at $49.99 and also available on Xbox Game Pass Ultimate, providing a comprehensive experience for fans of the series.
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Dev
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How To Use an MCP React Client with Multiple AI Agents
- CopilotKit is a framework for building intelligent companions and in-app infrastructure.
- MCP enables agents to work together and take actions within one interface.
- It simplifies multi-agent coordination, such as sending messages to Slack or triggering APIs.
- Join CopilotKit's Discord to start building something cool.
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Medium
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The React Documentation I Wish I Had When I Started: From Basics to Advanced
- React is a JavaScript library for building user interfaces, mostly for web apps.
- Functional components with hooks are recommended over class components.
- JSX is JavaScript syntax sugar that allows embedding variables and expressions.
- You don't need to know everything about React to start building.
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Logrocket
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How to deploy React apps to GitHub Pages
- GitHub Pages is a free service to host static websites and is a great option for deploying React apps.
- To deploy a Create React App project to GitHub Pages, follow steps like installing gh-pages package, updating package.json, and deploying the app.
- For deploying from scratch, set up the React app, create a GitHub repository, push the app, install/configure gh-pages, and deploy the application.
- Troubleshooting common issues like blank pages, 404 errors, missing assets, and repository configuration problems is covered.
- Custom domains for GitHub Pages like www subdomain, custom subdomain, and apex domain are explained.
- For routing React apps on GitHub Pages, use HashRouter, create routes, and set up navigation components.
- Setting up a preview environment using Livecycle and automating deployments with GitHub Actions are also discussed.
- Using environment variables and secrets with GitHub Actions for added security is detailed in the article.
- GitHub Pages is recommended for its simplicity, cost-effectiveness, and integration with existing workflows, making it suitable for open-source projects and portfolios.
- These steps provide a comprehensive guide to deploying React apps to GitHub Pages for developers of all levels.
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Hackernoon
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294
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How We Built a Semantic Search Engine for React Components Using AI
- 21st.dev built a semantic search engine for React components to tackle challenges in finding UI building blocks based on semantic understanding rather than keyword matching.
- Traditional search systems for UI components face limitations due to the intent vs. implementation gap, vocabulary mismatch, lexical-semantic dissonance, and representational sparsity.
- The unique challenge in component retrieval lies in searching for semantically relevant components despite potential lexical mismatch.
- The approach combines dual-vector embeddings, AI-generated descriptions, Hypothetical Document Enhancements (HyDE), and Maximal Marginal Relevance (MMR) for result diversity.
- The technical architecture involves embedding generation, search & retrieval systems, and data storage model for efficient querying of UI components.
- Embedding generation includes usage and code embeddings, enhancing semantic context through AI-generated descriptions analyzed by Claude.
- The search engine incorporates HyDE, vector similarity search, and MMR to translate vague user queries into contextual searches for semantically relevant components.
- The API layer integrates the search system, handling validation, execution, result enhancement, and usage tracking for a comprehensive pipeline.
- Challenges included code vs. ASTs, prompt engineering for AI-generated descriptions, and fine-tuning the embedding strategy for usage and code understanding.
- Future directions include exploring AST-based embeddings and fine-tuned models for UI component understanding.
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