Evolving Complex Systems Incrementally

Explore the world of JavaScript code transformation in this conference talk from JSConf EU 2015. Dive into jscodeshift and its underlying tools like recast and ast-types, which are instrumental in rewriting and modernizing Facebook's JavaScript codebase. Discover the growing importance of these tools and how they reshape perspectives on open source and API changes at Facebook. Learn how to safely and efficiently run code transformations across multiple projects, empowering you to evolve complex systems incrementally. Gain insights into Facebook's approach to maintaining and updating large-scale JavaScript codebases, and equip yourself with knowledge to implement similar strategies in your own development workflow.