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@babel/plugin-transform-react-jsx-self

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@babel/plugin-transform-react-jsx-self

Add a __self prop to all JSX Elements

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What is @babel/plugin-transform-react-jsx-self?

The @babel/plugin-transform-react-jsx-self plugin is used with Babel to transform JSX code in React. It adds a __self attribute to JSX elements which is used by React for development tools to provide more informative error messages and warnings. This attribute includes a reference to the component that created each element, which can be helpful for debugging purposes.

What are @babel/plugin-transform-react-jsx-self's main functionalities?

Adding __self attribute to JSX elements

This feature automatically adds a __self attribute to every JSX element, which is set to 'this' (the current React component instance). This is useful for React's development mode error messages and warnings, as it helps identify which component the JSX element came from.

class MyComponent extends React.Component {
  render() {
    return <div>Hello, world!</div>;
  }
}

// Transformed JSX with @babel/plugin-transform-react-jsx-self
// <div __self={this}>Hello, world!</div>

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Package last updated on 22 Oct 2024

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