A powerful crawler support strategy to different url, the crawler can traverse all web page in a site recursively with certain deep. of course, you alse can do not use recursive crawl in the callback.
You can put different strategy to process the web page of certain url pattern, here we use routes to match the url,routes support regular expression, see routes.
In order to avoid event loop queue overflow, you can set the concurrency number to send certain requests in a time.
It can also support more text code by using iconv-lite, you can set decode for website with different text code,or set decode to null let crawler analyze it automatically.
We use request to browse website, you can get more config parameter for http request, see request.
npm install crawlerx
/**
* Created by wuwei on 14-4-4.
*/
var crawler = require('crawlerx');
crawler.addStrategy(/.cnodjs.org./,function(err, $, body, url, resp){
//console.log(body);
console.log($("title").text(),url);
});
crawler.addStrategy(/.github.com./,function(err, $, body, url, resp){
//console.log(body);
console.log($("title").text(),url);
});
crawler.request("http://cnodejs.org",{decode:"utf-8",deep:3,concurrency:3}, function(err, $, body,url,resp){
$.spider(); //start recursive crawl
});( The MIT License )
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