Stack migrations,
AI-ready.
Structured playbooks for migrating legacy stacks to modern ones. Copy for Claude, Gemini, or any AI tool — one click.
16 playbooks available
- language
Callbacks and Promises → async/await
Replace callback-based and raw Promise chains with async/await for readable async code.
- infra
CommonJS → ESM
Replace require/module.exports with ES module import/export syntax.
- frontend
Create React App → Vite
Migrate a Create React App project to Vite for faster dev server startup and builds.
- frontend
Cypress → Playwright
Replace Cypress with Playwright for cross-browser end-to-end testing with async/await.
- frontend
Enzyme → React Testing Library
Migrate Enzyme-based tests to React Testing Library, adopting user-centric testing patterns.
- backend
Express → Fastify
Migrate an Express HTTP server to Fastify for built-in validation, schema-first design, and higher throughput.
- language
Flow → TypeScript
Replace Flow type annotations with TypeScript equivalents across a JavaScript codebase.
- language
JavaScript → TypeScript
Incrementally migrate a JavaScript codebase to TypeScript with strict mode.
- infra
Jest → Vitest
Replace Jest with Vitest for faster test execution in Vite-based projects.
- data
Lodash → Native JavaScript
Replace Lodash utility functions with native JavaScript equivalents to reduce bundle size.
- data
Moment.js → date-fns
Replace Moment.js with date-fns for tree-shakeable, immutable date utilities.
- frontend
Pretender → Mock Service Worker
Replace Pretender's in-memory fake server with MSW for network-level request interception.
- language
PropTypes → TypeScript
Replace runtime PropTypes validation with compile-time TypeScript interfaces.
- frontend
React Class Based → React Functional Components
Migrate React class based components to functional components with hooks.
- frontend
Vanilla Redux → Redux Toolkit + RTK Query
Replace boilerplate-heavy vanilla Redux with Redux Toolkit and RTK Query for data fetching.
- infra
Webpack → Vite
Replace Webpack with Vite for native ESM dev server and faster builds.
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