Question 1

How do I use ReactShadow with styled-components?

Accepted Answer

Import from 'react-shadow/styled-components' instead of the default, then use it like any React component; it automatically creates a StyleSheetManager context to encapsulate all styles within the shadow root, ensuring isolation.

Question 2

ReactShadow vs CSS Modules: which provides better style isolation?

Accepted Answer

ReactShadow uses Shadow DOM for true browser-level encapsulation, preventing all global style conflicts, while CSS Modules scopes class names but can still leak in complex apps. Shadow DOM is more robust but depends on browser support.

Question 3

Does ReactShadow work with server-side rendering?

Accepted Answer

Yes, but experimentally. Use the `ssr` prop for declarative shadow DOM, but the README warns that rehydration is difficult and the spec is prone to changes, so it's best for cautious or non-SSR use cases.

Question 4

How to pass event handlers and props in ReactShadow?

Accepted Answer

Pass any props directly to the `root.*` component; they will be applied to the host element, allowing standard React event handling and attributes, as shown in the examples with className and refs.

Question 5

What browsers support ReactShadow's features?

Accepted Answer

ReactShadow depends on the Shadow DOM API, which is supported in modern browsers like Chrome, Firefox, and Edge, but may have limited or no support in older versions (e.g., IE) or certain mobile browsers, requiring testing.

Question 6

How to style child components inside a ReactShadow root?

Accepted Answer

Include a `<style>` tag with your CSS string within the shadow root, or use CSS-in-JS libraries via dedicated imports; for plain CSS, you need to import it as a string using build tools like Webpack with to-string-loader.

react-shadow

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