Sync code, async UI

Sam and Ryan continue to put some more pieces of the Suspense puzzle together as they talk about how throwing promises enables devs to write synchronous code while still building asynchronous (non-blocking) UI. They also talk about sharing state across pages in Next.js. Topics include: 0:00 – Intro 1:08 – Sharing state across pages in Next.js 9:03 – Confronting JS object identity up-front in React, and buiding consistent trees of different versions of your UI in parallel 25:55 – How Suspense lets you represent async UI with sync code 42:00 – Interruptibility and push vs. pull 49:20 – The problem of invalidation, and the Suspense cache Links: Suspense’s contract New Suspense SSR Architecture in React 18 Built-in Suspense Cache