Aspose.PDF FOSS cho TypeScript

git clone https://github.com/aspose-pdf-foss/Aspose.PDF-FOSS-for-TypeScript.git
cd Aspose.PDF-FOSS-for-TypeScript
npm install
npm run build

import { Document } from '@asposefoss/pdf';
const doc = Document.OpenFile('in.pdf');
const svg = doc.Pages[0].ToSvg();          // standalone <svg> string
// fs.writeFileSync('page1.svg', svg);
const png = doc.Pages[0].ToImage({ scale: 2 }); // Uint8Array of PNG bytes @144 DPI
// fs.writeFileSync('page1.png', png);
const html = doc.ToHtml();                 // standalone semantic HTML, all pages
// fs.writeFileSync('out.html', html);
const md = doc.ToMarkdown();               // GFM Markdown, all pages
// fs.writeFileSync('out.md', md);
const docx = doc.ToDocx();                 // .docx bytes, reflowed, images in the package
// fs.writeFileSync('out.docx', docx);
const fixed = doc.ToDocx({ mode: 'textbox' });  // .docx keeping each page's own geometry
// fs.writeFileSync('fixed.docx', fixed);

import { Document } from '@asposefoss/pdf';

// Open from disk (or Document.Open(uint8array) for in-memory data)
const doc = Document.OpenFile('input.pdf');

// Inspect and edit pages
console.log(doc.Pages.length);
doc.Pages[0].Rotate = 90;
doc.RemovePage(2);                 // 1-based page number
doc.Reorder([3, 1, 2]);

// Metadata
doc.SetMetadata({ title: 'Report', author: 'Jane', custom: { Dept: 'R&D' } });

// Save
doc.WriteTo('output.pdf');         // or: const bytes = doc.Save();
doc.WriteTo('small.pdf', { compressed: true }); // xref stream + object streams

import { Document, PageFormat } from '@asposefoss/pdf';
const doc = Document.New(PageFormat.A4);          // one blank A4 page
doc.Pages[0].AddText('Hello', 72, 720, { fontSize: 14 });
doc.AddPage(PageFormat.A4.landscape());           // append more as you go
doc.WriteTo('scratch.pdf');

import { Document } from '@asposefoss/pdf';
const doc = Document.OpenFile('in.pdf');
doc.WriteTo('locked.pdf', {
  encrypt: {
    userPassword: 'open-me',       // required to open (default '')
    ownerPassword: 'full-rights',  // default: same as userPassword
    algorithm: 'aes256',           // 'aes256' (default) | 'aes128' | 'rc4'
    permissions: { copying: false, modifying: false },
    encryptMetadata: true,
  },
});