{
  "url": "https://unifast.dev/fr/docs/packages/react/hast-to-react/",
  "locale": "fr",
  "title": "hastToReact()",
  "description": "Convertit un nœud racine HAST en éléments React. La fonction bas niveau, lorsque vous souhaitez un contrôle complet sur le pipeline de compilation.",
  "section": "packages",
  "body": "```ts\n\n```\n\n## Signature\n\n```ts\nfunction hastToReact(\n  hast: HastRoot,\n  options: HastToReactOptions,\n): unknown\n```\n\n## Paramètres\n\n### hast\n\n| Propriété | Type | Défaut | Description |\n|----------|------|---------|-------------|\n| `type` | `\"root\"` | — | Identifiant du type de nœud |\n| `children` | `HastNode[]` | — | Nœuds enfants de l'arbre |\n\n### options\n\nConfiguration de la création d'éléments React\n\n| Propriété | Type | Défaut | Description |\n|----------|------|---------|-------------|\n| `createElement` | `CreateElement` | — | La fonction createElement de React |\n| `Fragment` | `unknown` | — | Le composant Fragment de React |\n| `components?` | `ComponentMap` | — | Table associant les noms de balises HTML à des composants React personnalisés |\n\n## Utilisation\n\n```tsx\n\nconst result = compile(md, { outputKind: \"hast\" });\nconst hast: HastRoot = JSON.parse(result.output as string);\n\nconst element = hastToReact(hast, {\n  createElement,\n  Fragment,\n  components: {\n    pre: ({ children, ...props }) => <pre className=\"code-block\" {...props}>{children}</pre>,\n    a: ({ children, ...props }) => <a target=\"_blank\" rel=\"noopener\" {...props}>{children}</a>,\n  },\n});\n```\n\n## Exemples\n\n### Utilisation de base\n\n```tsx\n\nconst result = compile(\"# Hello, **world**!\", { outputKind: \"hast\" });\nconst hast: HastRoot = JSON.parse(result.output as string);\nconst element = hastToReact(hast, { createElement, Fragment });\n\nfunction Page() {\n  return <div>{element}</div>;\n}\n```\n\n### Avec un HAST déjà coloré par Shiki\n\n```tsx\n\nconst transformer = await createShikiTransformer({\n  themes: [\"github-dark\"],\n  langs: [\"typescript\"],\n});\n\nconst result = compile(md, { outputKind: \"hast\" });\nconst hast: HastRoot = JSON.parse(result.output as string);\nconst highlighted = transformer.transform(hast);\nconst element = hastToReact(highlighted, { createElement, Fragment });\n```\n\n### Rendu côté serveur\n\n```tsx\n\nconst result = compile(md, { outputKind: \"hast\" });\nconst hast: HastRoot = JSON.parse(result.output as string);\nconst element = hastToReact(hast, { createElement, Fragment });\nconst html = renderToString(element);\n\nconsole.log(html);\n// Rendered HTML string for SSR\n```\n\n## Comportement\n\n- **Renommage des propriétés :** Les attributs HTML sont renommés vers leurs équivalents React (`class` vers `className`, `for` vers `htmlFor`, etc.)\n- **Analyse des styles :** Les chaînes de style CSS sont converties en objets de style React\n- **Tableaux className :** Les tableaux `className` du HAST sont joints par des espaces\n- **Attributs booléens :** `true` rend l'attribut, `false`/`null`/`undefined` l'omettent\n- **Nœuds bruts :** Rendus sous forme de HTML en ligne - utilisez le plugin `sanitize` (issu de `@unifast/node`) lors du traitement d'entrées non fiables\n- **Commentaires et doctype :** Ignorés (retournent `null`)",
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