{
  "url": "https://unifast.dev/it/docs/packages/react/hast-to-react/",
  "locale": "it",
  "title": "hastToReact()",
  "description": "Converte un nodo radice HAST in elementi React. La funzione di basso livello per quando serve il pieno controllo sulla pipeline di compilazione.",
  "section": "packages",
  "body": "```ts\n\n```\n\n## Firma\n\n```ts\nfunction hastToReact(\n  hast: HastRoot,\n  options: HastToReactOptions,\n): unknown\n```\n\n## Parametri\n\n### hast\n\n| Proprietà | Tipo | Predefinito | Descrizione |\n|-----------|------|-------------|-------------|\n| `type` | `\"root\"` | — | Identificatore del tipo di nodo |\n| `children` | `HastNode[]` | — | Nodi figli dell'albero |\n\n### options\n\nConfigurazione per la creazione degli elementi React\n\n| Proprietà | Tipo | Predefinito | Descrizione |\n|-----------|------|-------------|-------------|\n| `createElement` | `CreateElement` | — | Funzione createElement di React |\n| `Fragment` | `unknown` | — | Componente Fragment di React |\n| `components?` | `ComponentMap` | — | Mappa dei nomi dei tag HTML verso componenti React personalizzati |\n\n## Utilizzo\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## Esempi\n\n### Utilizzo di 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### Con HAST evidenziato da 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### Rendering lato server\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## Comportamento\n\n- **Rinomina delle proprietà:** Gli attributi HTML vengono rinominati nei rispettivi equivalenti React (`class` in `className`, `for` in `htmlFor`, ecc.)\n- **Parsing degli stili:** Le stringhe di stile CSS vengono analizzate e convertite in oggetti di stile React\n- **Array className:** Gli array `className` di HAST vengono uniti con spazi\n- **Attributi booleani:** `true` rende l'attributo, mentre `false`/`null`/`undefined` lo omettono\n- **Nodi raw:** Resi come HTML inline; usa il plugin `sanitize` (da `@unifast/node`) quando elabori input non affidabili\n- **Commenti e doctype:** Ignorati (restituiscono `null`)",
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