tikiwiki/packages/tiki-pkg-casperjs/jerome-breton/casperjs/samples/googlepagination.js

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2023-11-20 21:52:04 +01:00
/*eslint strict:0*/
/*global CasperError, console, phantom, require*/
/**
* Capture multiple pages of google search results
*
* Usage: $ casperjs googlepagination.coffee my search terms
*
* (all arguments will be used as the query)
*/
var casper = require("casper").create({
waitTimeout: 1000,
pageSettings: {
userAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:23.0) Gecko/20130404 Firefox/23.0"
}
});
var currentPage = 1;
if (casper.cli.args.length === 0) {
casper
.echo("Usage: $ casperjs googlepagination.js my search terms")
.exit(1)
;
}
var terminate = function() {
this.echo("that's all, folks.").exit();
};
var processPage = function() {
var url;
this.echo("capturing page " + currentPage);
this.capture("google-results-p" + currentPage + ".png");
// don't go too far down the rabbit hole
if (currentPage >= 5 || !this.exists("#pnnext")) {
return terminate.call(casper);
}
currentPage++;
this.echo("requesting next page: " + currentPage);
url = this.getCurrentUrl();
this.thenClick("#pnnext").then(function() {
this.waitFor(function() {
return url !== this.getCurrentUrl();
}, processPage, terminate);
});
};
casper.start("http://google.fr/", function() {
this.fill('form[action="/search"]', {
q: casper.cli.args.join(" ")
}, true);
});
casper.waitForSelector('#pnnext', processPage, terminate);
casper.run();