How to avoid prop drilling in Atomic design?

To avoid prop drilling in Atomic Design, you can make use of state management libraries like Redux, MobX, or React Context API. These libraries allow you to manage global state that can be accessed by any component in your application without the need for prop drilling.

Here's how you can avoid prop drilling using each approach:

1. Redux/MobX:

Redux and MobX are popular state management libraries in the React ecosystem. They allow you to centralize your application's state in a store and access that state from any component without having to pass props down through multiple levels.

a. Redux:

• Set up your Redux store with reducers, actions, and the store itself.
• Use the connect function (from react-redux) to connect components to the store and access the required state and actions.

Example:

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// ExampleContainer.js
import { connect } from 'react-redux';
import ExampleComponent from './ExampleComponent';

const mapStateToProps = (state) => ({
  someValue: state.someReducer.someValue,
});

const mapDispatchToProps = {
  // Actions to update state can be defined here
};

export default connect(mapStateToProps, mapDispatchToProps)(ExampleComponent);

b. MobX:

• Set up MobX store(s) and wrap your application with the MobX provider.
• Use the useContext hook to access the MobX store from any component.

2. React Context API:

If your application doesn't require complex state management and you want a lightweight solution, you can use the React Context API. This allows you to create a context provider at the top level of your component tree and provide the required state and functions down the tree without explicit prop drilling.

Example:

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// ExampleContext.js
import React, { createContext, useState } from 'react';

const ExampleContext = createContext();

const ExampleProvider = ({ children }) => {
  const [someValue, setSomeValue] = useState('');

  return (
    <ExampleContext.Provider value={{ someValue, setSomeValue }}>
      {children}
    </ExampleContext.Provider>
  );
};

export { ExampleContext, ExampleProvider };

Wrap your application with the ExampleProvider at the top level:

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// App.js
import React from 'react';
import { ExampleProvider } from './ExampleContext';
import MainComponent from './MainComponent';

function App() {
  return (
    <ExampleProvider>
      <MainComponent />
    </ExampleProvider>
  );
}

export default App;

Now, you can access the state and functions from any component within the ExampleProvider without prop drilling:

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// ExampleComponent.js
import React, { useContext } from 'react';
import { ExampleContext } from './ExampleContext';

const ExampleComponent = () => {
  const { someValue, setSomeValue } = useContext(ExampleContext);

  // Your component logic here

  return <div>{someValue}</div>;
};

export default ExampleComponent;

By using Redux, MobX, or the React Context API, you can effectively avoid prop drilling and keep your component tree cleaner and more maintainable. Choose the approach that best fits the complexity and size of your application.