scraped-core v1.0.0
scraped-core
Serves to scrape the core of the website.
:cloud: Installation
# Using npm
npm install --save scraped-core
# Using yarn
yarn add scraped-core
:clipboard: Example
const scrapedCore = require("scraped-core")
// Promise interface
const data = scrapedCore(`
<h1 class='heading'>Hello World</h1>
<img src="test.jpg" />
<p>Test</p>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li><i>6</i></li>
</ul>
`, {
title: ".heading"
, desc: "p"
, avatar: {
selector: "img"
, attr: "src"
}
, items: {
listItem: "ul > li"
, data: {
content: {
how: "text"
}
}
}
})
console.log(data)
// { title: 'Hello World',
// desc: 'Test',
// avatar: 'test.jpg',
// items:
// [ { content: '1' },
// { content: '2' },
// { content: '3' },
// { content: '4' },
// { content: '5' },
// { content: '6' } ] }
:question: Get Help
There are few ways to get help:
- Please post questions on Stack Overflow. You can open issues with questions, as long you add a link to your Stack Overflow question.
- For bug reports and feature requests, open issues. :bug:
:memo: Documentation
scrapedCore($, opts)
Scrapes the data in the provided element.
For the format of the selector, please refer to the Selectors section of the Cheerio library
Params
- Cheerio|String
$
: The input element or the HTML as a string. Object
opts
: An object containing the scraping information. If you want to scrape a list, you have to use thelistItem
selector:listItem
(String): The list item selector.data
(Object): The fields to include in the list objects:<fieldName>
(Object|String): The selector or an object containing:selector
(String): The selector.convert
(Function): An optional function to change the value.how
(Function|String): A function or function name to access the value.attr
(String): If provided, the value will be taken based on the attribute name.trim
(Boolean): Iffalse
, the value will not be trimmed (default:true
).closest
(String): If provided, returns the first ancestor of the given element.eq
(Number): If provided, it will select the nth element.texteq
(Number): If provided, it will select the nth direct text child. Deep text child selection is not possible yet. Overwrites thehow
key.listItem
(Object): An object, keeping the recursive schema of thelistItem
object. This can be used to create nested lists.
Example:
{ articles: { listItem: ".article" , data: { createdAt: { selector: ".date" , convert: x => new Date(x) } , title: "a.article-title" , tags: { listItem: ".tags > span" } , content: { selector: ".article-content" , how: "html" } , traverseOtherNode: { selector: ".upperNode" , closest: "div" , convert: x => x.length } } } }
If you want to collect specific data from the page, just use the same schema used for the
data
field.Example:
{ title: ".header h1" , desc: ".header h2" , avatar: { selector: ".header img" , attr: "src" } }
Return
- Object The scraped data.
:yum: How to contribute
Have an idea? Found a bug? See how to contribute.
:sparkling_heart: Support my projects
I open-source almost everything I can, and I try to reply to everyone needing help using these projects. Obviously, this takes time. You can integrate and use these projects in your applications for free! You can even change the source code and redistribute (even resell it).
Thanks!
License
1 year ago