example.js

var NodePDF = require('nodepdf');

// last argument is optional, sets the width and height for the viewport to render the pdf from. (see additional options)
var pdf = new NodePDF('http://www.yahoo.com', 'yahoo.pdf', {
    'viewportSize': {
        'width': 1440,
        'height': 900
    }, 
    'args': '--debug=true'
});

pdf.on('error', function(msg){
    console.log(msg);
});

pdf.on('done', function(pathToFile){
    console.log(pathToFile);
});

// listen for stdout from phantomjs
pdf.on('stdout', function(stdout){
     // handle
});

// listen for stderr from phantomjs
pdf.on('stderr', function(stderr){
    // handle
});