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Casperjs script to screenshot an entire Facebook Post
// Using Casperjs to screenshot an entire Facebook Post */
var casper = require('casper').create({
clientScripts: [
'jquery.js'
]
});
//login to facebook
casper.start('https://www.facebook.com/', function() {
this.fill('#login_form', { email: 'email', pass: 'password' }, true);
});
//go to the facebook post
var thePost = "https://www.facebook.com/jonaslund2000/posts/10150535403965904";
casper.thenOpen(thePost, function() {
console.log("At the right post");
});
//start loop
casper.then(function() {
viewMore(0);
});
//click view more posts, make screenshot
function viewMore(i) {
casper.then(function() {
//remove last 50 comments to keep the RAM fresh
this.evaluate(function() {
jQuery(function($) {
$("ul.commentList > li").slice(-50).remove();
});
});
//view more posts
this.click("input.stat_elem");
console.log("clicked view more – now capturing");
//echo where we are
this.echo(this.fetchText('.ufiCommentCount'));
//wait for the comments to load
this.wait(5000, function() {
this.echo(this.fetchText('.ufiCommentCount'));
//capture – config the clipRect to your liking!
this.capture(+i+'.png', {top:634, left:0, width: 689, height: 2233});
this.echo("captured:" + i);
//start over, take total amount of comments divided by 50 to get the stop
if(i < 25000) {
viewMore(i+1);
}
});
});
}
//run
casper.run();
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