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node-scrapy
Advanced tools
Readme
Simple, lightweight and expressive web scraping with Node.js
const scrapy = require('node-scrapy')
const fetch = require('node-fetch')
const url = 'https://github.com/expressjs/express'
const model = '.mb-3.h4 + .f4.mt-3'
fetch(url)
.then((res) => res.text())
.then((body) => {
console.log(scrapy.extract(body, model))
})
.catch(console.error)
// Fast, unopinionated, minimalist web framework for node.
node-scrapy can resolve complex objects. Give it a data model:
const fetch = require('node-fetch')
const url = 'https://github.com/strongloop/express'
const model = {
author: '.author ($ | trim)',
repo: '[itemprop="name"] ($ | trim)',
stats: {
commits: '.js-details-container > div:last-child strong',
branches: '.octicon-git-branch + strong',
releases: 'a[href$="/releases"] > span',
contributors: 'a[href$="/graphs/contributors"] > span',
social: {
watch: '.pagehead-actions > li:nth-child(1) .social-count ($ | trim)',
stars: '.pagehead-actions > li:nth-child(2) .social-count ($ | trim)',
forks: '.pagehead-actions > li:nth-child(3) .social-count ($ | trim)',
},
},
files: [
'.js-active-navigation-container .Box-row > :nth-child(2)',
{
name: 'a',
url: 'a (href)',
},
],
}
fetch(url)
.then((res) => res.text())
.then((body) => {
console.log(scrapy.extract(body, model))
})
.catch(console.error)
...and Scrapy will return:
{
author: 'expressjs',
repo: 'express',
stats: {
commits: '5,592',
branches: '9',
releases: '280',
contributors: '261',
social: { watch: '1.8k', stars: '49.8k', forks: '8.3k' }
},
files: [
{ name: 'benchmarks', url: '/expressjs/express/tree/master/benchmarks' },
{ name: 'examples', url: '/expressjs/express/tree/master/examples' },
{ name: 'lib', url: '/expressjs/express/tree/master/lib' },
{ name: 'test', url: '/expressjs/express/tree/master/test' },
{ name: '.editorconfig', url: '/expressjs/express/blob/master/.editorconfig' },
{ name: '.eslintignore', url: '/expressjs/express/blob/master/.eslintignore' },
{ name: '.eslintrc.yml', url: '/expressjs/express/blob/master/.eslintrc.yml' },
{ name: '.gitignore', url: '/expressjs/express/blob/master/.gitignore' },
{ name: '.travis.yml', url: '/expressjs/express/blob/master/.travis.yml' },
{ name: 'Charter.md', url: '/expressjs/express/blob/master/Charter.md' },
{ name: 'Code-Of-Conduct.md', url: '/expressjs/express/blob/master/Code-Of-Conduct.md' },
{ name: 'Collaborator-Guide.md', url: '/expressjs/express/blob/master/Collaborator-Guide.md' },
{ name: 'Contributing.md', url: '/expressjs/express/blob/master/Contributing.md' },
{ name: 'History.md', url: '/expressjs/express/blob/master/History.md' },
{ name: 'LICENSE', url: '/expressjs/express/blob/master/LICENSE' },
{ name: 'Readme-Guide.md', url: '/expressjs/express/blob/master/Readme-Guide.md' },
{ name: 'Readme.md', url: '/expressjs/express/blob/master/Readme.md' },
{ name: 'Release-Process.md', url: '/expressjs/express/blob/master/Release-Process.md' },
{ name: 'Security.md', url: '/expressjs/express/blob/master/Security.md' },
{ name: 'Triager-Guide.md', url: '/expressjs/express/blob/master/Triager-Guide.md' },
{ name: 'appveyor.yml', url: '/expressjs/express/blob/master/appveyor.yml' },
{ name: 'index.js', url: '/expressjs/express/blob/master/index.js' },
{ name: 'package.json', url: '/expressjs/express/blob/master/package.json' }
]
}
For more examples, check the test folder.
npm install node-scrapy
🍠 Simple: No XPaths. No complex object inheritance. No extensive config files. Just JSON and the CSS selectors you're used to. Simple as potatoes.
⚡ Lightweight: node-scrapy relies on htmlparser2 and css-select, known for being fast.
📢 Expressive: Web scrapping is all about data, so node-scrapy aims to make it declarative. Both, the model and its corresponding output are JSON-serializable.
Here some alternative nodejs-based solutions similar to node-scrapy (in popularity order):
node-scrapy is in an early stage, we would love you to involve in its development! Go ahead and open a new issue.
MIT ❤
FAQs
Simple, lightweight and expressive web scraping with Node.js
The npm package node-scrapy receives a total of 1,368 weekly downloads. As such, node-scrapy popularity was classified as popular.
We found that node-scrapy demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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