docs-sandpack

SKILL.md

| `js | Main file (no prefix) | | `js src/FileName.js | Supporting files | | `js src/File.js active | Active file (reference pages) | | `js src/data.js hidden | Hidden files | | `css | CSS styles | | `json package.json | External dependencies |

function Example() { // Lines 2-4 // will be // highlighted return null; }

// 🚫 This will cause hydration warnings export default function App() { const isClient = typeof window !== 'undefined'; return {isClient ? 'Client' : 'Server'} ; }

Use when adding interactive code examples to React docs. Source: reactjs/react.dev.

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