THE ANATOMY OF A REACT ISLAND

Summary from the TLDR Web Dev newsletter

React Islands are used to incrementally modernize web applications by integrating React components into existing, statically rendered projects. This approach avoids the pitfalls of complete rewrites by allowing for a piecemeal transition. React Islands involve creating self-contained React components, declaring them in a separate build target, and then calling them from the main HTML, passing data via props and using a shared context for performance.