custom-soffice-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, customCommand) => {
    if (typeof customCommand === 'undefined') {
        customCommand = 'soffice'
    }
    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 = customCommand + ' --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)
                    })
                }
            });
        })
    });

}