https://github.com/antonio-nicolau/chaleno

A Dart package to web scraping data from websites easily and faster using less code lines.
https://github.com/antonio-nicolau/chaleno

dart flutter-webscrap webscraping webscraping-data

Last synced: about 2 months ago
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A Dart package to web scraping data from websites easily and faster using less code lines.

• Host: GitHub
• URL: https://github.com/antonio-nicolau/chaleno
• Owner: antonio-nicolau
• License: mit
• Created: 2021-03-11T10:21:23.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2024-04-03T20:20:09.000Z (6 months ago)
• Last Synced: 2024-07-08T17:50:51.073Z (2 months ago)
• Topics: dart, flutter-webscrap, webscraping, webscraping-data
• Language: C++
• Homepage:
• Size: 133 KB
• Stars: 34
• Watchers: 2
• Forks: 10
• Open Issues: 8
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
# 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

```Dart

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.

```Dart

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

```Dart 

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

print(result.text);

List 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

```Dart 

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 |