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@dragon708/docmind-node

v1.14.0

Published

Official DocMind Node facade: analyzeFile, intent APIs, PDF/DOCX/OCR, and fs helpers.

Readme

@dragon708/docmind-node

Cliente oficial de DocMind para Node.js (API pública de alto nivel): un solo módulo para analyzeFile, extracción de texto/metadata/HTML, OCR, documento estructurado, Markdown híbrido (DOCX, PDF, HTML, CSV, Excel mediante el motor de conversión a Markdown integrado en servidor), texto para LLM y trozos con Markdown. Resuelve rutas de disco y file: URLs con fs.

Requisito: Node ≥ 18 (según package.json del paquete).


Instalación

npm install @dragon708/docmind-node

Arrastra transitivamente @dragon708/docmind-pdf, @dragon708/docmind-docx, @dragon708/docmind-ocr, @dragon708/docmind-markdown, @dragon708/docmind-shared y dependencias pesadas (pdfjs, Tesseract, runtime de conversión a Markdown empaquetado con docmind-markdown, etc.). No es adecuado para bundlers “browser-only” sin sustituir por @dragon708/docmind-browser.


Qué cubre este runtime

| Formato | Texto / HTML | Structured | Markdown (extractMarkdown) | Notas | |---------|----------------|------------|------------------------------|--------| | PDF | Sí (nativo + OCR opcional) | Sí | Sí (conversión a Markdown en Node) | pdf.ocr, ocrStrategy, maxPages | | DOCX | Sí (Mammoth) | Sí | Sí (Mammoth → Turndown) | docx.include (headings, tables, blocks, …) | | Imagen raster | OCR (Tesseract) | Sí | Vía structured fallback típico | PNG/JPEG/WebP; TIFF multipage | | Texto UTF-8 | Sí | Normalización | Según contenido | — | | HTML / CSV / Excel (bytes) | — | — | Sí | Rutas binarias en @dragon708/docmind-markdown (solo Node) |


Uso rápido

Analizar un fichero desde disco

import { readFile } from "node:fs/promises";
import { analyzeFile } from "@dragon708/docmind-node";

const data = await readFile("informe.pdf");
const result = await analyzeFile({
  data,
  name: "informe.pdf",
  mimeType: "application/pdf",
});
// result.text, result.html, result.warnings, result.fileKind, …

Entrada unificada (NodeAnalyzeInput)

import { readFileToInput, analyzeFile } from "@dragon708/docmind-node";

const input = await readFileToInput("/ruta/al/archivo.docx");
const result = await analyzeFile(input);

Documento estructurado

import { extractStructuredData } from "@dragon708/docmind-node";

const structured = await extractStructuredData({
  data: buffer,
  name: "doc.docx",
});
// structured.blocks, structured.tables, structured.pages, …

Markdown híbrido (PDF, DOCX, HTML, CSV, XLSX…)

import { extractMarkdown } from "@dragon708/docmind-node";

const md = await extractMarkdown(
  { data: buffer, name: "libro.xlsx" },
  {
    onMarkdownExtract: (info) => {
      console.log(info.strategy, info.warnings, info.routing);
    },
    markdownSpreadsheet: { maxRowsPerSheet: 500 },
  },
);
// md es string (el cliente Node devuelve el Markdown listo; ver tipos)

La firma exacta y el tipo de retorno siguen los tipos exportados (NodeExtractMarkdownOptions, etc.); consulta el IDE o dist/*.d.ts.

Texto para LLM y trozos

import { extractLlmContent, extractStructuredChunks } from "@dragon708/docmind-node";

const llmText = await extractLlmContent(input, { /* llm render options */ });
const chunks = await extractStructuredChunks(input, { chunks: { includeMarkdown: true } });

Introspección

import { getCapabilities, explainAnalysisPlan } from "@dragon708/docmind-node";

const caps = await getCapabilities({ /* … */ });
const plan = await explainAnalysisPlan({ /* … */ });

Clasificación de tipo de fichero

import { detectFileKind } from "@dragon708/docmind-node";

// Re-export de @dragon708/docmind-shared; útil tras resolver rutas

Conversores directos HTML / CSV / Excel (Node)

import {
  convertHtmlToMarkdown,
  convertCsvToMarkdown,
  convertSpreadsheetToMarkdown,
  detectBinaryFormat,
} from "@dragon708/docmind-node";

Imágenes incrustadas en DOCX (Node)

import {
  extractImagesFromDocx,
  convertDocxImagesForWeb,
  docxImageToDataUri,
} from "@dragon708/docmind-node";

Extractores estructurados por formato

import {
  extractStructuredDataFromPdf,
  extractStructuredDataFromDocx,
  extractStructuredDataFromImage,
} from "@dragon708/docmind-node";

Opciones destacadas (NodeAnalyzeOptions)

Resumen; el detalle está en nodeAnalyzeOptions.ts y JSDoc:

  • ocr: política PDF / metadatos de pipeline (off | auto | force).
  • language: idiomas OCR (BCP-47 / Tesseract).
  • maxPages, ocrStrategy: PDF (estrategia del pipeline raster).
  • docx: include (headings, tables, blocks, pagesApprox, embeddedImages, …).
  • signal: AbortSignal.
  • structuredOutput / output: opt-in de structured en analyzeFile (ver analyzeFileRequestsStructured en shared).

Para Markdown / LLM / chunks:

  • NodeExtractMarkdownOptions: markdown, markdownDocx, markdownPdf, markdownHtml, markdownCsv, markdownSpreadsheet, onMarkdownExtract, structured routing, etc.
  • NodeExtractLlmContentOptions, NodeExtractStructuredChunksOptions.

Helpers de entrada

  • readFileToInput, bufferToInput, resolveNodeAnalyzeInput: convierten path / buffer / URL en NodeAnalyzeInput.

Constantes y capacidades

  • DOCX_EMBEDDED_IMAGE_CAPABILITIES, DOCX_STRUCTURE_CAPABILITIES, docxIncludeRequested: matrices de capacidades para informes.

Errores y advertencias

Esta API propaga DocMindError (@dragon708/docmind-shared) cuando el input es inválido o el formato no está soportado. Los PDF/DOCX corruptos pueden lanzar o devolver payloads con warnings según la ruta.


Relación con otros paquetes

| Paquete | Uso desde Node | |---------|----------------| | @dragon708/docmind-shared | Tipos y detectFileKind | | @dragon708/docmind-markdown | extractMarkdown, render LLM, chunks, conversión binaria a Markdown en Node | | @dragon708/docmind-pdf | PDF nativo, PDF.js, formularios, pipeline OCR | | @dragon708/docmind-docx | Mammoth + extractores OOXML | | @dragon708/docmind-ocr | Tesseract, TIFF, preprocesado |

En navegador usa @dragon708/docmind-browser (sin PDF completo ni conversión binaria pesada a Markdown en el cliente).


Seguridad

  • No ejecutes convertToHtml / Markdown sobre documentos no confiables sin sanitizar antes de insertar en DOM.
  • PDF y DOCX pueden contener recursos remotos según opciones de conversión.

Licencia

MIT (monorepo DocMind).