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- /*
- * Captures a webpage with a Google JavaScript Map and exports it to PNG.
- */
- //Original code: https://github.com/ariya/phantomjs/blob/master/examples/waitfor.js
- 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 page = require('webpage').create();
- page.viewportSize = {
- width: 1000,
- height: 1000
- };
- page.open("http://jsbin.com/pevizusana", function (status) { //Works best on localhost
- // Check for page load success
- if (status !== "success") {
- console.log("Unable to access network");
- } else {
- // Wait for 'signin-dropdown' to be visible
- waitFor(function() {
- // Check in the page if a specific element is now visible
- return page.evaluate(function() {
- return document.getElementById("loaded");
- });
- }, function() {
- console.log("The map should be visible now.");
- page.render('googleScreenShot' + '.png');
- phantom.exit();
- });
- }
- });
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