crawler-url-parser
v2.0.5
Published
An `URL` parser for crawling purpose.
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crawler-url-parser
An URL parser for crawling purpose
Installation
npm install crawler-url-parser
Usage
Parse
const cup = require('crawler-url-parser');
//// parse(current_url[,base_url])
let result = cup.parse("http://question.stackoverflow.com/aaa/bbb/ddd?q1=query1&q2=query2");
console.log(result.url);
// http://question.stackoverflow.com/aaa/bbb/ddd?q1=query1&q2=query2
console.log(result.baseurl);
// null
console.log(result.normalized);
// http://question.stackoverflow.com/aaa/bbb/ddd?q1=query1&q2=query2
console.log(result.host);
// question.stackoverflow.com
console.log(result.domain);
// stackoverflow.com
console.log(result.subdomain);
// question
console.log(result.protocol);
// http:
console.log(result.path);
// /aaa/bbb/ddd
console.log(result.search);
// q1=query1&q2=query2
console.log(result.querycount);
// 2
Parse with baseURL
const cup = require('crawler-url-parser');
//// parse(current_url[,base_url])
let result = cup.parse("../ddd?q1=query1&q2=query2","http://question.stackoverflow.com/aaa/bbb/ccc/");
console.log(result.url);
// http://question.stackoverflow.com/aaa/bbb/ddd?q1=query1&q2=query2
console.log(result.baseurl);
// http://question.stackoverflow.com/aaa/bbb/ccc
console.log(result.normalized);
// http://question.stackoverflow.com/aaa/bbb/ddd?q1=query1&q2=query2
console.log(result.host);
// question.stackoverflow.com
console.log(result.domain);
// stackoverflow.com
console.log(result.subdomain);
// question
console.log(result.protocol);
// http:
console.log(result.path);
// /aaa/bbb/ddd
console.log(result.search);
// q1=query1&q2=query2
console.log(result.querycount);
// 2
Extract
const cup = require('crawler-url-parser');
//// extract(html_str,current_url);
let htmlStr='<html><body> \
<a href="http://best.question.stackoverflow.com">subdomain</a><br /> \
<a href="http://faq.stackoverflow.com">subdomain</a><br /> \
<a href="http://stackoverflow.com">updomain</a><br /> \
<a href="http://www.google.com">external</a><br /> \
<a href="http://www.facebook.com">external</a><br /> \
<a href="http://question.stackoverflow.com/aaa/bbb/ccc">sublevel</a><br /> \
<a href="http://question.stackoverflow.com/aaa/bbb/zzz">sublevel</a><br /> \
<a href="http://question.stackoverflow.com/aaa/">uplevel</a><br /> \
<a href="http://question.stackoverflow.com/aaa/ddd">samelevel</a><br /> \
<a href="http://question.stackoverflow.com/aaa/eee">samelevel</a><br /> \
<a href="http://question.stackoverflow.com/aaa/ddd/eee">internal</a><br /> \
<a href="http://question.stackoverflow.com/zzz">internal</a><br /> \
</body></html>';
let currentUrl= "http://question.stackoverflow.com/aaa/bbb";
let urls = cup.extract(htmlStr,currentUrl);
console.log(urls[0].type); //subdomain
console.log(urls[1].type); //subdomain
console.log(urls[2].type); //updomain
console.log(urls[3].type); //external
console.log(urls[4].type); //external
console.log(urls[5].type); //sublevel
console.log(urls[6].type); //sublevel
console.log(urls[7].type); //uplevel
console.log(urls[8].type); //samelevel
console.log(urls[9].type); //samelevel
console.log(urls[10].type); //internal
console.log(urls[11].type); //subdomain
Level
const cup = require('crawler-url-parser');
//// gettype(current_url,base_url);
let level = cup.gettype("sub.domain.com/aaa/bbb/","sub.domain.com/aaa/bbb/ccc");
console.log(level); //sublevel
level = cup.gettype("sub.domain.com/aaa/bbb/ccc/ddd","sub.domain.com/aaa/bbb/ccc");
console.log(level); //uplevel
level = cup.gettype("sub.domain.com/aaa/bbb/eee","sub.domain.com/aaa/bbb/ccc");
console.log(level); //samelevel
level = cup.gettype("sub.domain.com/aaa/bbb/eee","sub.anotherdomain.com/aaa/bbb/ccc");
console.log(level); //external
Test
mocha
ornpm test
- More than 200 unit test cases.
- Check test folder and quickstart.js for extra usages.
Support
I use this package actively myself, so it has my top priority. You can chat on WhatsApp about any infos, ideas and suggestions.
Submitting an Issue
If you find a bug or a mistake, you can help by submitting an issue to GitLab Repository
Creating a Merge Request
GitLab calls it merge request instead of pull request.
License
MIT licensed and all it's dependencies are MIT or BSD licensed.