antonio-nicolau/chaleno

Chaleno

A flutter package for webscraping data from websites.

This package contains a set of high-level functions that make it easy to webscrap websites. It's multi-platform, supports mobile, desktop, and the web.

Usage

Scraping data from websites, this package gives you the power to scrape the web in an easy way.

Instance Chaleno class

var parser = await Chaleno().load('https://example.com');

It returns a Parser which we can use to start webscraping.

You can load HTML file from localhost.

var parser = await Chaleno().load('https://localhost/index');

var parser = await Chaleno().load('https://192.168.1.122/index');

Very simple to use

After instantiating Chaleno class, you can easily retrieve any data using few code lines

Result result = parser.getElementById('id');
print(result.text);

List<Result> results = parser.getElementsByClassName('className');
results.map((item) => print(item.text))

You can return a single result or a list of results and map them. You can find most popular methods and attributes in table below.

Example

final parser = await Chaleno().load('https://example.com');

final title = parser?.getElementById('title').text;
final contents = parser.querySelector('.content-card').text;
final image = parser.getElementsByTagName('img').src;

Importants Methods and propriets

Methods	Mean
title	Return the page title
getElementById	Return a single element searching for ID on the page
getElementsByClassName	Return a list of elements according class passed as parameter
getElementsByTagName	Return a list of elements according tag passed as parameter
querySelector	Return single element passing a list of selector
querySelectorAll	Return a list of elements passing a list of selector
text	Return text atribute from a tag returned
src	Return src atribute from a tag returned
href	Return href atribute from a tag returned