/** * Source: https://github.com/ariya/phantomjs/blob/master/examples/waitfor.js * * Wait until the test condition is true or a timeout occurs. Useful for waiting * on a server response or for a ui change (fadeIn, etc.) to occur. * * @param testFx javascript condition that evaluates to a boolean, * it can be passed in as a string (e.g.: "1 == 1" or "$('#bar').is(':visible')" or * as a callback function. * @param onReady what to do when testFx condition is fulfilled, * it can be passed in as a string (e.g.: "1 == 1" or "$('#bar').is(':visible')" or * as a callback function. * @param timeOutMillis the max amount of time to wait. If not specified, 3 sec is used. */ function waitFor(testFx, onReady, timeOutMillis) { var maxtimeOutMillis = timeOutMillis ? timeOutMillis : 3000, //< Default Max Timout is 3s start = new Date().getTime(), condition = false, interval = setInterval(function() { if ( (new Date().getTime() - start < maxtimeOutMillis) && !condition ) { // If not time-out yet and condition not yet fulfilled condition = (typeof(testFx) === "string" ? eval(testFx) : testFx()); //< defensive code } else { if(!condition) { // If condition still not fulfilled (timeout but condition is 'false') console.log("'waitFor()' timeout"); phantom.exit(1); } else { // Condition fulfilled (timeout and/or condition is 'true') console.log("'waitFor()' finished in " + (new Date().getTime() - start) + "ms."); typeof(onReady) === "string" ? eval(onReady) : onReady(); //< Do what it's supposed to do once the condition is fulfilled clearInterval(interval); //< Stop this interval } } }, 250); //< repeat check every 250ms }; var args = require('system').args; var address = ''; args.forEach(function(arg, i) { if(i == 1) { address = arg; } }); var page = require('webpage').create(); var fs = require('fs'); page.open(address, function(result) { waitFor(function() { // Check in the page to see if Rendering is done. return page.evaluate(function() { return RenderingComplete == true; }); }, function() { fs.write('output.html', page.content, 'w') phantom.exit(); }); });