Docx to PDF Converter

A lightweight npm package designed to convert Word documents (DOCX) to PDF format. In addition to conversion, it now includes support for extracting images from DOCX files. This package provides a simple and efficient solution for handling DOCX to PDF conversion in a cross-platform manner.

Features

• Cross-platform compatibility: Supports Windows, macOS, and Linux.
• Easy-to-use API: Convert DOCX files to PDF with just a few lines of code.
• Batch conversion: Convert entire directories of DOCX files to PDF.
• Image extraction: Extract images embedded in DOCX files and save them to a specified directory.

Installation

Install the package via npm:

npm i docx2pdf-converter

Usage

Convert a Single DOCX to PDF

This line of code converts a single DOCX file into a PDF file:

const topdf = require('docx2pdf-converter');

const inputPath = './report.docx';
topdf.convert(inputPath, 'output.pdf');

Convert an Entire Directory of DOCX Files to PDF

This code converts all DOCX files within a directory to PDFs and saves them to another directory:

const fs = require('fs');
const path = require('path');
const { convert, resolvePaths } = require('docx2pdf-converter');

function convertDirectory(inputDir, outputDir) {
  const files = fs.readdirSync(inputDir);

  files.forEach((file) => {
    if (file.endsWith('.docx')) {
      const inputPath = path.join(inputDir, file);
      const { output } = resolvePaths(inputPath, outputDir);
      convert(inputPath, output);
      console.log(`Converted: ${file}`);
    }
  });
}

/*
Assume both directories (input and output) are in the same folder.
If not, you can provide absolute paths to the folders.
*/
const inputDirectory = './inputdir';
const outputDirectory = './outputdir';

convertDirectory(inputDirectory, outputDirectory);

Extract Images from a DOCX File

The extractImages function allows you to extract all images from a DOCX file and save them to a specified directory:

const { extractImages } = require('docx2pdf-converter');

const inputPath = './report.docx';  // Path to your DOCX file
const outputDir = './extracted-images';  // Directory where images will be saved

extractImages(inputPath, outputDir);

This will extract any images embedded in the DOCX file and save them in the extracted-images directory.

API

convert(inputPath, outputPath, keepActive = false)

Description: Converts a DOCX file to PDF.

Parameters:

• inputPath (string): Path to the input DOCX file.
• outputPath (string): Path to the output PDF file.
• keepActive (boolean, optional): Flag to keep the application active (platform-dependent).

Returns: Nothing. It performs the conversion.

extractImages(inputPath, outputDir)

Description: Extracts images from a DOCX file and saves them to the specified directory.

Parameters:

• inputPath (string): Path to the input DOCX file.
• outputDir (string): Directory where the extracted images will be saved.

Returns: Nothing. It extracts the images and logs the status.

resolvePaths(inputPath, outputPath)

Description: Resolves and validates input and output paths, ensuring they are correct and handle both single files and directories.

Parameters:

• inputPath (string): Path to the input DOCX file or directory.
• outputPath (string, optional): Path to the output directory or file.

Returns: An object containing resolved input and output paths, and a batch flag indicating whether it's batch processing.

Platform-Specific Support

• Windows: Uses PowerShell scripts (convert.ps1 and convertTodocx.ps1) for converting DOCX to PDF and vice versa.
• macOS: Uses a shell script (convert.sh) for converting DOCX to PDF.
• Linux: Uses unoconv to convert DOCX to PDF.

The convert function automatically detects the platform and uses the appropriate method for conversion.

Conclusion

This package provides a flexible, cross-platform solution for converting DOCX files to PDF and extracting images from DOCX files. Whether you're dealing with individual files or batch processing, the API makes it easy to automate the conversion and image extraction processes.