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Recoil is a state management library for React applications. It provides a way to manage and share state across components with a minimal API and a focus on performance and scalability.
Atoms
Atoms are units of state in Recoil. They can be read from and written to from any component. Components that read the value of an atom will re-render when the atom's value changes.
const { atom } = require('recoil');
const textState = atom({
key: 'textState',
default: '',
});
Selectors
Selectors are pure functions that transform state. They can compute derived state based on atoms or other selectors. Components that read the value of a selector will re-render when the selector's value changes.
const { selector } = require('recoil');
const charCountState = selector({
key: 'charCountState',
get: ({ get }) => {
const text = get(textState);
return text.length;
},
});
RecoilRoot
RecoilRoot is a component that provides the Recoil state context to its descendants. It must wrap the part of your application that uses Recoil state.
const { RecoilRoot } = require('recoil');
const React = require('react');
const ReactDOM = require('react-dom');
function App() {
return (
<RecoilRoot>
<MyComponent />
</RecoilRoot>
);
}
ReactDOM.render(<App />, document.getElementById('root'));
Redux is a popular state management library for JavaScript applications. It uses a single global store and actions to update the state. Compared to Recoil, Redux has a more complex setup and requires more boilerplate code, but it is highly flexible and has a large ecosystem of middleware and tools.
MobX is a state management library that uses observables to track state changes. It provides a more reactive and less boilerplate approach compared to Redux. MobX is similar to Recoil in that it allows for fine-grained reactivity, but it uses a different paradigm based on observables and decorators.
Zustand is a small, fast, and scalable state management library for React. It uses hooks to manage state and provides a simple API. Compared to Recoil, Zustand is more lightweight and has a simpler API, but it may not offer as many features for complex state management scenarios.
Recoil is an experimental state management framework for React.
Website: https://recoiljs.org
Documentation: https://recoiljs.org/docs/introduction/core-concepts
API Reference: https://recoiljs.org/docs/api-reference/core/RecoilRoot
Tutorials: https://recoiljs.org/resources
The Recoil package lives in npm. Please see the installation guide
To install the latest stable version, run the following command:
npm install recoil
Or if you're using yarn:
yarn add recoil
Or if you're using bower:
bower install --save recoil
Development of Recoil happens in the open on GitHub, and we are grateful to the community for contributing bugfixes and improvements. Read below to learn how you can take part in improving Recoil.
Recoil is MIT licensed.
FAQs
Recoil - A state management library for React
The npm package recoil receives a total of 461,383 weekly downloads. As such, recoil popularity was classified as popular.
We found that recoil demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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