office-to-pdf/index.js

Converts office documents (buffer) like .doc .docx .ppt .pptx to pdf

var tmp = require('temporary')
var fs = require('fs')
var path = require('path');
var exec = require('child_process').exec;

module.exports = (buffer) => {

  return new Promise(function(resolve, reject) {

    var file = new tmp.File()
    var outdir = new tmp.Dir()
    file.writeFile(buffer, (err) => {

      if(err) reject(err)

      var cmd = 'soffice --headless --convert-to pdf ' + file.path + ' --outdir ' + outdir.path;

      exec(cmd, function(error, stdout, stderr) {
        if(error) {
          reject(error)
        } else {
	  fs.readFile(path.join(outdir.path, path.basename(file.path, path.extname(path.basename(file.path)))+".pdf"), (err, buffer) => {
	    if(err) reject(err)
	    resolve(buffer)
	  })
        }
      });
    })
  });

}