Top "React-hooks" questions

Hooks is a new feature that allows developers to use state(s) and other React features without writing a class.

React.useState does not reload state from props

I'm expecting state to reload on props change, but this does not work and user variable is not updated on …

reactjs react-hooks
How can I use React hooks in React classic `class` component?

In this example, I have this react class: class MyDiv extends React.component constructor(){ this.state={sampleState:'hello world'} } render(){ …

javascript reactjs react-hooks
How to sync props to state using React hooks : setState()

I am trying to set the state using React hook setState() using the props the component receive. I've tried using …

reactjs react-hooks
Testing React Functional Component with Hooks using Jest

So I'm moving away from class based components to functional components but am stuck while writing test with jest/enzyme …

reactjs typescript jestjs enzyme react-hooks
How to use useStyle to style Class Component in Material Ui

I want to use useStyle to style the Class Component . But this can be easily done hooks. but i want …

javascript reactjs material-ui react-hooks react-component
React useReducer async data fetch

I'am trying to fetch some data with new react useReducer API and stuck on stage where i need to fetch …

reactjs react-hooks
Equivalent to componentDidUpdate using React hooks

tldr; How do I simulate componentDidUpdate or otherwise use the key prop with an array to force my component to …

javascript reactjs react-hooks
componentWillReceiveProps, componentDidUpdate for React Hook

I run into two challenges: Even if, as per React guideline, derived state is discouraged, but some edge cases still …

javascript reactjs react-hooks
What's the difference between `useRef` and `createRef`?

I was going through the hooks documentation when I stumbled upon useRef. Looking at their example… function TextInputWithFocusButton() { const inputEl = …

javascript reactjs react-hooks
How to send request on click React Hooks way?

How to send http request on button click with react hooks? Or, for that matter, how to do any side …

reactjs react-hooks