scaffolding-templates

Comprehensive React component testing with Jest and React Testing Library covering configuration, mocking strategies, async testing patterns, hooks testing, and integration testing best practices

Testing patterns for React and React Router v7 - Vitest, React Testing Library, route testing, mocking loaders/actions

TypeScript patterns for React Router v7 - Type-safe loaders, actions, params, generic components, and utility types

TypeScript library starter using tsdown. Use when scaffolding or maintaining a TS/ESM library with tsdown, pnpm, Vitest, and npm Trusted Publisher.

Navigate, manage, and optimize monorepos with Turborepo, Nx, pnpm workspaces, and Changesets. Covers cross-package impact analysis, selective builds, dependency graph visualization, remote caching, migration from multi-repo, and coordinated publishing. Use when working in monorepos, optimizing build times, or managing shared packages.

Next.js 15 App Router patterns - use for frontend pages, API routes, server components, client components, and middleware

Comprehensive guidance on setting up npm libraries with package.json, with a preference for ES Modules (ESM). Use when setting up npm packages, configuring ESM, TypeScript packages, or React component libraries.