ElevenLabs voice AI SDK patterns for TypeScript/Node.js -- text-to-speech, streaming, voice cloning, speech-to-speech, pronunciation control, and conversational AI — from…
File upload patterns - drag-drop dropzones, chunked/resumable uploads, S3 presigned URLs, file validation (MIME type, magic bytes), progress tracking, image preview, accessibility…
SurrealDB multi-model database - SurrealQL queries, record links, graph relations, live queries, schema definitions, authentication, TypeScript SDK
NgRx SignalStore patterns for Angular state management. Use when managing client state with Angular Signals, composing store features, handling entities, or integrating RxJS…
Storybook patterns - CSF 3.0, args, controls, autodocs, play functions, interaction testing, visual testing, addons configuration
SWR data fetching patterns - useSWR, useSWRMutation, caching, revalidation, infinite scroll
Pino, Axiom, Sentry installation - one-time project setup for logging and error tracking with source maps upload
TypeScript Result/Either types for type-safe error handling, railway-oriented programming patterns, error as values
Modern CLI development combining oclif's command framework with Ink's React-based terminal rendering
MMKV high-performance key-value storage for React Native - synchronous JSI-based reads/writes, encryption, typed hooks, multiple instances, listeners, persistence middleware…
Secure storage, certificate pinning, biometric auth, jailbreak detection, code obfuscation, network security, screenshot prevention for React Native
Leaflet interactive maps - map setup, tile layers, markers, popups, GeoJSON, custom controls, plugins, clustering, events
React Native Paper v5+ - Material Design 3 theming, PaperProvider, key components, dynamic color, accessibility, tree-shaking, custom fonts, navigation integration
Pinecone serverless vector database -- index management, vector operations, metadata filtering, namespaces, hybrid search, inference API
Cloudflare Workers edge compute platform — Wrangler CLI, KV, D1, R2, Durable Objects, Queues, Workers AI
Zustand stores, client state patterns. Use when deciding between Zustand vs useState, managing global state, or avoiding Context misuse.
Tauri 2.x commands, IPC bridge, permission system, plugins, window management, system tray, packaging
Electron process architecture, IPC patterns, preload security, native APIs, packaging and distribution
SvelteKit full-stack framework - file-based routing, load functions, form actions, server hooks, SSR/SSG, API routes, streaming, progressive enhancement
Socket.IO v4.x client patterns, connection lifecycle, reconnection, authentication, rooms, namespaces, acknowledgments, binary data, TypeScript integration
Biome v2 unified linter, formatter, and import organizer — single Rust-powered tool replacing ESLint + Prettier with 97% Prettier compatibility and 20x faster performance
Turborepo, workspaces, package architecture, @repo/* naming, exports, tree-shaking
Unistyles 3.0 styling - C++ powered StyleSheet superset with zero re-renders, theming, breakpoints, variants, dynamic functions, runtime values
React Native performance profiling, optimization, and monitoring - JS/UI thread analysis, re-render prevention, list optimization, image performance, bundle size, startup time,…
Official Cohere TypeScript SDK patterns -- CohereClientV2, chat, embeddings, rerank, RAG with citations, tool use, streaming, and model selection — from agents-inc/skills
Service Worker lifecycle, caching strategies, offline patterns, update handling, precaching, runtime caching
AWS SDK v3 for TypeScript — modular clients, command pattern, S3, DynamoDB, SQS, Lambda, SNS, Secrets Manager
Clerk managed authentication - ClerkProvider, middleware, pre-built components, hooks, server-side auth, organizations, webhooks
Testing and evaluation framework for LLM prompts and applications -- promptfooconfig.yaml, assertions, model-graded evals, red teaming, CI/CD integration, custom provider — from…
VisionCamera v4+ - photo/video capture, QR/barcode scanning, real-time frame processors, zoom/focus/exposure, HDR, location metadata, format selection
React Native mobile development patterns - New Architecture (Fabric, TurboModules, JSI), component architecture, React Navigation 7+, FlashList v2 optimization, gestures with…
TypeScript strict mode configs, TS 5.x+ options (verbatimModuleSyntax, module preserve, moduleDetection force, configDir), path alias sync, specialized configs
File-based routing, loaders, actions, defer streaming, useFetcher, error boundaries, progressive enhancement
Class Variance Authority - type-safe component variant styling with cva(), compound variants, and VariantProps
Speech-to-text transcription and translation via OpenAI Audio API -- models, response formats, timestamps, prompting, streaming, chunking, and diarization — from agents-inc/skills
Error boundary patterns, fallback UI, reset/retry, react-error-boundary library, React 19 createRoot error hooks
Electron Forge build toolchain -- makers, publishers, code signing, fuses, hooks, CI/CD packaging
Visual regression testing - screenshot baselines, determinism, diff review workflow, baseline custody, and CI wiring for catching unintended UI changes
Vite config, path aliases, vendor chunk splitting, environment-specific builds, Rolldown codeSplitting, Sass modern API, build targets, module preload
Tamagui universal UI - styled(), tokens, themes, optimizing compiler, responsive media queries, animations, Sheet/Dialog components
VeeValidate v4 patterns - useForm, useField, defineField, useFieldArray, schema validation with Composition API
Official Anthropic SDK patterns for TypeScript/Node.js — client setup, Messages API, streaming, tool use, vision, extended thinking, structured outputs, prompt caching, b — from…
Auth.js (NextAuth v5) authentication patterns - configuration, providers, session strategies, middleware, database adapters, role-based access, Edge compatibility
Chroma vector database -- collection management, automatic embedding, metadata filtering, document storage, query patterns
date-fns patterns for TypeScript - formatting, parsing, manipulation, comparison, timezone handling, and internationalization
GraphQL server for Fastify with Mercurius — loaders, subscriptions, federation, JIT compilation
Native MongoDB driver (the mongodb npm package) - MongoClient lifecycle, typed collections, CRUD result shapes, cursors, aggregation pipelines, index design, transactions
Hugging Face Inference SDK patterns for TypeScript/Node.js — InferenceClient setup, chat completion, text generation, streaming, embeddings, image generation, audio transcription,…
Vue 3 Composition API patterns, reactivity primitives, composables, lifecycle hooks
Server-Sent Events for unidirectional server-to-client streaming, EventSource API, fetch streaming, reconnection patterns, message parsing
pnpm workspace protocol, filtering, catalogs, shared dependencies, publishing, and CI/CD for monorepo management
Packaging React components as a consumable library — style delivery contracts, sideEffects, cascade layers, "use client" preservation, peer dependency ranges, server-safe vs…
GraphQL API server with Apollo Server — schema, resolvers, context, error handling, data sources, plugins
Supabase backend-as-a-service — Auth, Database, Realtime, Storage, Edge Functions, RLS policies, typed client
Motion (formerly Framer Motion) animation patterns - motion components, variants, gestures, layout animations, scroll-linked animations, accessibility
Weaviate vector database patterns with weaviate-client v3 -- collection management, vectorizer modules, hybrid search, filtering, generative search (RAG), multi-tenancy, batch…
Local LLM inference with the Ollama JavaScript client -- chat, streaming, tool calling, vision, embeddings, structured output, model management, and OpenAI-compatible end — from…
NativeWind v4+ - Tailwind CSS utility classes for React Native, className prop, CSS variables, dark mode, platform prefixes, animations, theming, third-party component integration
Reactive programming with RxJS - Observables, operators, Subjects, error handling, and memory leak prevention
ESLint 9/10 flat config with defineConfig(), Prettier v3.0+ shared config, eslint-config-prettier integration, typescript-eslint v8+ projectService