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TypeScript Utility Types and Recipes/Use `Parameters<T>`

Extract a function’s parameter tuple.

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Section: Common Utility Type Recipes

Use `Parameters<T>`

typescript
typescript
type Fn = (id: string, active: boolean) => void;
type FnArgs = Parameters<Fn>; // [id: string, active: boolean]
Explanation

Great for wrappers, event helpers, and higher-order functions.

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