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Typescript Conditional Types Development Tutorials, Guides & Insights

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Optimizing TypeScript Code with Advanced Type Manipulation and Generics

The infer keyword allows you to extract and work with types within conditional types. It's particularly useful in more complex type manipulations.

type ReturnType<T> = T extends (...args: any[]) => infer R ? R : any;

type FunctionReturnType = ReturnType<() => string>; // string

Sep 02, 2024
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