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@dewomser
Last active May 6, 2020 22:46
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Corona table from Wikipedia snapshot
/**
* 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.
*/
"use strict";
function waitFor(testFx, onReady, timeOutMillis) {
var maxtimeOutMillis = timeOutMillis ? timeOutMillis : 10000, //< 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();
// Open Twitter on 'sencha' profile and, onPageLoad, do...
page.open("https://en.wikipedia.org/wiki/2020_coronavirus_pandemic_in_Germany", function (status) {
page.viewportSize = { width: 1920, height: 1080 };
var clipRect = page.evaluate(function(){
return document.querySelector('.barbox.tright').getBoundingClientRect();
});
// 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 $(".barbox.tright").is(":visible");
});
}, function() {
console.log("The sign-in dialog should be visible now.");
page.clipRect = { top: clipRect.top, left: clipRect.left, width: clipRect.width, height: 600. }
page.render('pandemie_de.png');
phantom.exit();
});
}
});
var page = require('webpage').create();
page.open('https://en.wikipedia.org/wiki/2020_coronavirus_pandemic_in_Germany', function() {
// being the actual size of the headless browser
page.viewportSize = { width: 1920, height: 1080 };
var clipRect = page.evaluate(function(){
return document.querySelector('.tright').getBoundingClientRect();
});
// page.clipRect = {
// top: clipRect.top,
// left: clipRect.left,
// width: clipRect.width,
// height: clipRect.height
// };
page.clipRect = { top: clipRect.top + 900, left: clipRect.left + 80, width: clipRect.width, height: clipRect.height - 900 }
page.render('pandemie_de.png');
phantom.exit();
});
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dewomser commented May 6, 2020

Phantom.js …wait.js Waits for class .barbox.tright then get rectangle and make image

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