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TypeScript deep dives for teams that ship
Evergreen guides expanded from our LinkedIn series: performance, type safety, and patterns we teach on-site. Built for search, answer engines, and your next PR review.
Series
Five topics from our TypeScript campaign, each expanded into a full article with examples, pitfalls, and FAQs.
TypeScript 7 is ~10× faster. Why your CI often only gets ~28%
The 10× headline is real on the right hardware. On shared CI, structure still wins: config, types, and project layout.
TypeScript `satisfies` vs `as`: stop silencing the compiler
`as` isn’t a conversion, it’s a promise. `satisfies` checks the value and keeps the exact inferred shape.
TypeScript generics that stop fighting you
Good generics constrain and infer. Callers pass values and get precise types back, with no `<T>` by hand.
Make TypeScript check your strings: template literal & mapped types
Model routes, events, and keys as types, not `string`, so typos become red squiggles before runtime.
End-to-end TypeScript type safety without codegen
One schema, inferred everywhere: database → API → UI. A mismatch fails CI, not production.