# Presentations
npm install @paperjsx/json-to-pptx

# Word documents
npm install @paperjsx/json-to-docx

# Spreadsheets
npm install @paperjsx/json-to-xlsx

# PDF documents
npm install @paperjsx/json-to-pdf

import { PaperEngine } from "@paperjsx/json-to-pptx";
import fs from "node:fs";

const spec = {
  type: "Document",
  meta: { title: "Q4 Review" },
  slides: [
    {
      type: "Slide",
      children: [
        { type: "Text", content: "Q4 2025 Business Review", style: { fontSize: 36, bold: true } }
      ]
    }
  ]
};

const buffer = await PaperEngine.render(spec);
fs.writeFileSync("presentation.pptx", buffer);
console.log("Generated presentation.pptx");

import { renderToDocx } from "@paperjsx/json-to-docx";
import fs from "node:fs";

const result = await renderToDocx({
  type: "DocxDocument",
  pageSize: "a4",
  orientation: "portrait",
  pages: [
    {
      elements: [
        { type: "heading", level: 1, text: "Quarterly Report" },
        { type: "paragraph", text: "Section content here." }
      ]
    }
  ]
});

fs.writeFileSync("report.docx", result.buffer);
console.log("Generated report.docx");

import { SpreadsheetEngine } from "@paperjsx/json-to-xlsx";
import fs from "node:fs";

const spec = {
  meta: { title: "Revenue Data", creator: "PaperJSX" },
  sheets: [{
    name: "Revenue",
    rows: [
      { cells: [{ value: "Quarter" }, { value: "Revenue" }] },
      { cells: [{ value: "Q1 2026" }, { value: 420000 }] },
      { cells: [{ value: "Q2 2026" }, { value: 510000 }] }
    ]
  }]
};

const buffer = await SpreadsheetEngine.render(spec);
fs.writeFileSync("revenue.xlsx", buffer);
console.log("Generated revenue.xlsx");

import fs from "node:fs";

const stats = fs.statSync("output.pptx");
if (stats.size === 0) {
  throw new Error("Generated file is empty");
}
console.log(`Output file: ${stats.size} bytes`);