Doctrack

Library for injecting tracking (spy) pixel url into Office Documents (Office Open XML).

Support formats:

• docx
• docm
• dotm
• dotx
• xlsx
• xlsm
• xltm
• xltx

npm i doctrack -S

Example

import { DocTrack, Docx, Docm, Dotm, Dotx, Xlsx, Xlsm, Xltm, Xltx } from 'doctrack';

const inputFilePath = './input.docx';
const outputFilePath = './output.docx';
const trackingPixelUrl = 'http://localhost:5001/tracking';

// xlsx - new Xlsx, docm - new Docm and etc
const doctrack = new DocTrack(new Docx(inputFilePath), trackingPixelUrl);

// Write result document to file
await doctrack.writeResultToFile(outputFilePath);

After open result document (output.docx) with office editor will be requested url: http://localhost:5001/tracking.

Input data

You can pass input file as buffer, stream or file:

import fsPromise from 'node:fs/promises';

// As file
const doctrack = new DocTrack(new Docx('./input.docx'), trackingPixelUrl);

// As Buffer
const fileBuffer = await fsPromise.readFile('./input.docx');
const doctrack = new DocTrack(new Docx(fileBuffer), trackingPixelUrl);

// As Stream
const fileStream = fs.createReadStream('./input.docx');
const doctrack = new DocTrack(new Docx(fileStream), trackingPixelUrl);

Output data

You get result file as buffer, stream or file:

// Write result document to file
await doctrack.writeResultToFile('./output.docx');

// Write result document to buffer
const buffer = await doctrack.writeResultToBuffer();

// Write result document to stream
const stream = await doctrack.writeResultToStream();