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Every mutation that goes through the server has a gap between the click and the result. On a fast connection that gap might be 100 milliseconds; on a

A user signs up as [email protected]. A week later they try to log in with [email protected], and your query returns nothing. Worse, they hit "Si

For a long time, handling a form in a React app meant writing the same plumbing over and over. You built an API route, wrote a client component with

For years, putting MongoDB behind a React app meant building two things: the UI, and a separate REST or GraphQL API for the UI to call. Every new fea

In the App Router, a module doesn't declare whether it's server code or client code. It becomes one or the other, or both, depending on who imports i

Knowing the rules of Server and Client Components is one thing. Structuring a real page with them is another. A modal that contains server-fetched da