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@restart/context
Advanced tools
@restart/context is a lightweight library for managing context in React applications. It provides utilities for creating and managing context providers and consumers, making it easier to share state and functionality across different parts of a React application.
createContext
The `createContext` function is used to create a new context with an optional default value. This context can then be used to provide and consume values throughout the component tree.
const { createContext } = require('@restart/context');
const MyContext = createContext('defaultValue');
useContext
The `useContext` hook allows you to consume the value from a context within a functional component. This is useful for accessing shared state or functionality provided by a context provider.
const { useContext } = require('@restart/context');
const value = useContext(MyContext);
ContextProvider
The `ContextProvider` component is used to provide a value to a context. Any components within the provider's tree can consume this value using the `useContext` hook or the `ContextConsumer` component.
const { ContextProvider } = require('@restart/context');
<ContextProvider value={someValue}>
<MyComponent />
</ContextProvider>
ContextConsumer
The `ContextConsumer` component allows you to consume the value from a context within a class component or a render prop. This is an alternative to using the `useContext` hook in functional components.
const { ContextConsumer } = require('@restart/context');
<ContextConsumer>
{value => <div>{value}</div>}
</ContextConsumer>
React itself provides built-in context management through its `createContext`, `useContext`, `Context.Provider`, and `Context.Consumer` APIs. These built-in APIs are widely used and well-documented, making them a robust choice for managing context in React applications.
Unstated Next is a lightweight state management library for React that builds on top of React's context API. It provides a simple way to create and manage state containers, making it easier to share state across components without the boilerplate of Redux or other state management libraries.
Recoil is a state management library for React that provides a more powerful and flexible way to manage state compared to React's built-in context API. It allows for fine-grained state management and supports features like derived state and asynchronous state updates.
React context helpers.
npm install @restart/context
import React from 'react';
import mapContextToProps from '@restart/context/mapContextToProps';
const MyValueContext = React.createContext(null);
function MyComponent(props) {
/* ... */
}
const MyComponentWithMyValue = mapContextToProps(
MyValueContext,
myValue => ({ myValue }),
MyComponent,
);
const withMyValue = Component =>
mapContextToProps(
{
consumers: MyValueContext,
mapToProps: myValue => ({ myValue }),
displayName: `withMyValue(${Component.displayName || Component.name})`,
},
Component,
);
FAQs
React context helpers.
The npm package @restart/context receives a total of 356,502 weekly downloads. As such, @restart/context popularity was classified as popular.
We found that @restart/context demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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