TypeScript 4.3

Today we’re excited to announce the availability of TypeScript 4.3! If you’re not yet familiar with TypeScript, it’s a language that builds on JavaScript by adding syntax for static types. Tools like the TypeScript compiler can just erase TypeScript synta… Read more

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Keyof and Mapped Types in TypeScript 2.1

In the last few months, I’ve been playing with both Flow and TypeScript as tools for increasing the quality and reliability of the JavaScript I write at Olo. Both of these are syntax that sits on top of normal JavaScript to add type analysis—basically...

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