visit_page.js

/* global require: true, console: true, phantom: true, ReportsDaemon: true */
(function() {
    'use strict';

    var page   = require('webpage').create();
    var system = require('system');
    var url    = system.args[1];

    var in_queue = function(page) {
        return page.evaluate(function() {
            return ReportsDaemon.Vega.in_queue;
        });
    };

    page.viewportSize = {width: 1000, height: 1000};

    page.open(url, function (status) {
        if ( status === 'success' ) {
            // Wait for Vega to finish rendering everything.
            setInterval(function() {
                if ( in_queue(page) === 0 ) {
                    console.log(page.content);

                    phantom.exit(0);
                }
            }, 10);
        }
        else {
            system.stderr.write('Failed to open URL ' + url + "\n");

            phantom.exit(1);
        }
    });
})();