{
  "url": "https://unifast.dev/it/docs/packages/node/excerpt/",
  "locale": "it",
  "title": "excerpt()",
  "description": "Estrae un estratto dal contenuto del documento.",
  "section": "packages",
  "body": "```ts\nimport { excerpt } from \"@unifast/node\";\n```\n\n## Firma\n\n```ts\nfunction excerpt(options?: ExcerptPluginOptions): UnifastPlugin\n```\n\n## Parametri\n\n### options?\n\nConfigurazione per l'estrazione dell'estratto\n\n| Proprietà | Tipo | Predefinito | Descrizione |\n|-----------|------|-------------|-------------|\n| `separator` | `string` | `\"<!-- more -->\"` | Marcatore di commento che separa l'estratto dal resto |\n| `fallbackParagraphs` | `number` | `1` | Numero di paragrafi iniziali da utilizzare come estratto quando il separatore non viene trovato |\n| `fallbackCharacters` | `number` | `undefined` | Lunghezza massima in caratteri per l'estratto di fallback (tronca al confine di parola) |\n\nQuando sono impostati sia `fallbackParagraphs` che `fallbackCharacters`, `fallbackParagraphs` ha la precedenza.\n\n## Valore restituito\n\nIl plugin aggiunge una proprietà `excerpt` al risultato della compilazione:\n\n| Proprietà | Tipo | Descrizione |\n|-----------|------|-------------|\n| `result.excerpt` | `string \\| undefined` | Estratto in testo semplice ricavato dal documento |\n\n## Utilizzo\n\n```ts\nimport { compile, excerpt } from \"@unifast/node\";\n\nconst md = `\nThis is the introduction to my blog post.\n\n<!-- more -->\n\nThe rest of the article continues here with more details.\n`;\n\nconst result = compile(md, {\n  plugins: [excerpt()],\n});\n\nconsole.log(result.excerpt);\n// \"This is the introduction to my blog post.\"\n```\n\n## Esempi\n\n### Con il marcatore separatore\n\nPosiziona un commento `<!-- more -->` nel tuo Markdown per indicare esplicitamente dove termina l'estratto:\n\n```ts\nimport { compile, excerpt } from \"@unifast/node\";\n\nconst md = `\n# My Blog Post\n\nThis is a **bold** introduction with some content.\n\nHere is a second paragraph still in the excerpt.\n\n<!-- more -->\n\nThis content is not included in the excerpt.\n`;\n\nconst result = compile(md, {\n  plugins: [excerpt()],\n});\n\nconsole.log(result.excerpt);\n// \"My Blog Post This is a bold introduction with some content. Here is a second paragraph still in the excerpt.\"\n```\n\n### Fallback al primo paragrafo\n\nQuando il marcatore separatore non viene trovato, il plugin ripiega sull'estrazione dei primi N paragrafi:\n\n```ts\nimport { compile, excerpt } from \"@unifast/node\";\n\nconst md = `\n# My Blog Post\n\nThis is the first paragraph of my article.\n\nThis is the second paragraph with more details.\n\nThis is the third paragraph.\n`;\n\nconst result = compile(md, {\n  plugins: [\n    excerpt({\n      fallbackParagraphs: 2,\n    }),\n  ],\n});\n\nconsole.log(result.excerpt);\n// \"This is the first paragraph of my article. This is the second paragraph with more details.\"\n```\n\n### Fallback al limite di caratteri\n\nTronca l'estratto a una lunghezza massima in caratteri, interrompendo al confine di parola:\n\n```ts\nimport { compile, excerpt } from \"@unifast/node\";\n\nconst md = `\nThis is a long article that goes on and on with lots of content.\n`;\n\nconst result = compile(md, {\n  plugins: [\n    excerpt({\n      fallbackCharacters: 30,\n    }),\n  ],\n});\n\nconsole.log(result.excerpt);\n// \"This is a long article that\"\n```",
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