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Learn React Hooks

You're reading from   Learn React Hooks Build and refactor modern React.js applications using Hooks

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Product type Paperback
Published in Oct 2019
Publisher Packt
ISBN-13 9781838641443
Length 426 pages
Edition 1st Edition
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Author (1):
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Daniel Bugl Daniel Bugl
Author Profile Icon Daniel Bugl
Daniel Bugl
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Table of Contents (19) Chapters Close

Preface 1. Section 1: Introduction to Hooks FREE CHAPTER
2. Introducing React and React Hooks 3. Using the State Hook 4. Writing Your First Application with React Hooks 5. Section 2: Understanding Hooks in Depth
6. Using the Reducer and Effect Hooks 7. Implementing React Context 8. Implementing Requests and React Suspense 9. Using Hooks for Routing 10. Using Community Hooks 11. Rules of Hooks 12. Building Your Own Hooks 13. Section 3: Integration and Migration
14. Migrating from React Class Components 15. Redux and Hooks 16. MobX and Hooks 17. Assessments 18. Other Books You May Enjoy

Exploring the React Hooks API

The official React library provides certain built-in Hooks, which can be used to create custom Hooks. We have already learned about the three basic Hooks that React provides:

  • useState
  • useEffect
  • useContext

Additionally, React provides more advanced Hooks, which can be very useful in certain use cases:

  • useReducer
  • useCallback
  • useMemo
  • useRef
  • useImperativeHandle
  • useLayoutEffect
  • useDebugValue

The useState Hook

The useState Hook returns a value that will persist across re-renders, and a function to update it. A value for the initialState can be passed to it as an argument:

const [ state, setState ] = useState(initialState)

Calling setState updates the value and re-renders the component with the updated...

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