@patternsdev

ai-ui-patterns covers react component patterns for streaming ai responses, prompt management, and error handling in chatbots and assistants. emphasizes vite and next.js implementations with vercel ai sdk and tailwindcss.

loading-sequence covers core web vitals optimization by sequencing resource loads. scope is clear but execution detail is absent, making it unsuitable for direct application without substantial expansion.

client-side-rendering covers the conceptual foundation of CSR for react applications, explaining when to use it and when to avoid it, but lacks procedural depth and implementation guidance.

Teaches modern React composition patterns for 2025/2026. Use when designing component APIs, building shared UI libraries, or refactoring prop-heavy components.

Provides framework-agnostic JavaScript runtime performance patterns. Use when optimizing hot paths, loops, DOM operations, caching, or data structure choices…

Teaches modern React data fetching patterns with TanStack Query, SWR, and Suspense. Use when implementing caching, deduplication, optimistic updates, or…

Teaches the mixin pattern for sharing functionality without inheritance. Use when you need to add reusable behavior to multiple objects or classes that don't…

Teaches React Hooks for reusing stateful logic across components. Use when extracting shared behavior like form handling, subscriptions, or side effects into…

Teaches the compound component pattern for shared implicit state. Use when building related components like tabs, accordions, or dropdowns that need to…

Teaches the presentational/container pattern for separating view and logic. Use when you want to isolate data fetching and business logic from UI rendering for…

Teaches the islands architecture pattern for partial hydration. Use when building content-heavy sites where most of the page is static and only small regions…

Teaches the View Transitions API for animating DOM changes. Use when you want smooth animated transitions between pages or UI states without manual animation…

Teaches the singleton pattern for managing a single shared instance. Use when exactly one instance of a class or object is needed to coordinate actions across…

Teaches Vite-specific bundle optimization patterns. Use when configuring Vite builds, code splitting, managing dependencies, or troubleshooting slow Vite…

Teaches React Server Components for zero-bundle server rendering. Use when components only need server-side data access and don't require client-side…

Teaches strategies for mitigating third-party script performance impact. Use when third-party scripts like analytics, ads, or widgets are degrading your page…

Teaches JavaScript compression techniques including Gzip and Brotli. Use when optimizing network transfer times or configuring server-side compression for…

Teaches the Higher-Order Component (HOC) pattern for logic reuse. Use when you need to share cross-cutting concerns like authentication, logging, or data…

Teaches the command pattern for decoupling task execution from invocation. Use when you need undo/redo functionality, queued operations, or want to decouple…

Teaches the flyweight pattern for memory optimization. Use when your application creates large numbers of similar objects and memory consumption is a concern.

Teaches the module pattern for code organization and encapsulation. Use when structuring JavaScript into reusable, maintainable pieces with clear public and…

Teaches the mediator pattern for centralized component communication. Use when multiple components need to communicate and direct coupling between them creates…

Teaches the provider pattern for sharing data across component trees. Use when multiple nested components need access to the same data and prop drilling…

Teaches the prototype pattern for property sharing via the prototype chain. Use when creating many objects of the same type that should share methods or…

Teaches the observer pattern for event-driven communication. Use when you need decoupled publish/subscribe behavior where multiple parts of your system react…

Teaches the factory pattern for flexible object creation. Use when you need to create objects dynamically without using the new keyword or when object creation…

Teaches streaming server-side rendering for chunked HTML delivery. Use when you need faster Time to First Byte and First Contentful Paint by streaming HTML as…

Teaches server-side rendering (SSR) for React applications. Use when you need faster initial page loads, better SEO, or dynamic per-request HTML generation.

Teaches static rendering (SSG) for build-time HTML generation. Use when your pages don't change per request and can be pre-rendered at build time for maximum…

Teaches Incremental Static Regeneration (ISR) for updating static content post-build. Use when you have static pages that need periodic updates without a full…

Teaches selective hydration combined with streaming SSR in React 18+. Use when you need to prioritize hydrating interactive components while streaming the rest…

Teaches progressive hydration for prioritized client-side interactivity. Use when server-rendered pages have non-critical sections whose JavaScript can be…

Teaches route-based code splitting for single-page applications. Use when different routes load distinct feature sets and you want to avoid loading all route…

Teaches visibility-based lazy loading using Intersection Observer. Use when you have below-the-fold components or images that don't need to load until the user…

Teaches static ES2015 import syntax for module dependencies. Use when you need to import code that is required at load time and benefits from static analysis…

Teaches interaction-based lazy loading for non-critical resources. Use when you have heavy components or libraries that are only needed after user interaction…

prpl — an installable skill for AI agents, published by patternsdev/skills.

Teaches dynamic import() for on-demand code loading. Use when you need to reduce initial bundle size by lazily loading modules that aren't required at startup.

Teaches the render props pattern for flexible component composition. Use when you need to share rendering logic between components by passing a function that…

Teaches bundle splitting techniques for web performance. Use when your application has a large JavaScript bundle that affects load times or when you need to…

Teaches virtual list (windowing) techniques for rendering large datasets. Use when rendering lists or tables with hundreds or thousands of items that cause…

Teaches resource preloading to prioritize critical assets. Use when critical resources like fonts, hero images, or key scripts are discovered late in the…

Teaches resource prefetching strategies for faster navigation. Use when you can predict which resources the user will need next and want to load them during…

Teaches tree shaking for dead code elimination in JavaScript bundles. Use when your bundle includes unused exports and you want to reduce the final bundle size…

react-render-optimization — an installable skill for AI agents, published by patternsdev/skills.

Provides a comprehensive guide to the modern React 2026 stack. Use when starting a new React project or modernizing an existing one with current frameworks,…