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How to Build React Custom Hooks in TypeScript

How to build React Custom Hook in Typescript

Author

Carl-W. Igelstrom
Carl-W is a Swedish full stack engineer specializing in the JavaScript/TypeScript/React ecosystem, writing web, and mobile applications front to back. He has been shipping production grade code while working 100% remotely to 100s of thousands of users.

Frequently Asked Questions

What is TypeScript?

TypeScript is an open-source programming language created by Microsoft. It is a strict syntactical superset of Javascript, which adds optional static typing to the language.

How do you use custom hooks in React TypeScript?

Inside a functional component you call the hook at the top level, before the return.

What is React?

React is a free and open-source front-end Javascript library created and maintained by Meta (Facebook), for building user interfaces. It is also possible to program React components with Typescript, adding static type checking.

Can we create custom hooks in React?

Yes! This has been the topic of the article, read it and start creating your own custom hooks.

Why use TypeScript and React?

TypeScript adds type checking to JavaScript, which means values, functions, etc. will throw the programmer an error directly if misused.

Can you use React hooks with TypeScript?

Yes! TypeScript also brings type safety to your hooks.

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