TgStat Parser

A modular JavaScript parser for extracting Telegram channel data from TgStat website.

Overview

This script extracts structured data from Telegram channel listings on TgStat website (telega.in), including:

• Channel ID, name, and description
• Subscriber count and engagement metrics
• Price information with discounts
• Subject/category
• Avatar URL
• Rating and other metrics

Usage

Browser Bookmarklet

1. Create a new bookmark in your browser
2. Name it "TgStat Parser"
3. In the URL field, paste this code:

javascript:(function(){const script=document.createElement('script');script.src='https://raw.githubusercontent.com/yourusername/tgstat-parser/main/tgstat_parser/browser-url-fetcher.js';document.body.appendChild(script);script.onload=function(){window.tgStatParser.showUI()}})();

4. Save the bookmark
5. When viewing any webpage, click the bookmark to run the parser UI
6. Enter a telega.in URL and click "Parse URL"

Command Line

Install the package:

npm install -g tgstat-parser

Parse a telega.in URL:

tgstat-parser https://telega.in/catalog/investments

Options:

-h, --help             Show help message
-s, --selector <sel>   CSS selector for channel elements (default: '.channels-item')
--no-json              Disable JSON export
--no-csv               Disable CSV export
--json-file <file>     JSON output filename (default: 'tgstat_channels.json')
--csv-file <file>      CSV output filename (default: 'tgstat_channels.csv')

Browser Console

Load the script directly in the browser console:

// Load the standalone script
const script = document.createElement('script');
script.src = 'https://raw.githubusercontent.com/yourusername/tgstat-parser/main/tgstat_parser/browser-url-fetcher.js';
document.body.appendChild(script);

// After script is loaded
script.onload = function() {
  // Show UI
  window.tgStatParser.showUI();
  
  // Or parse URL directly
  window.tgStatParser.parseUrl('https://telega.in/catalog/investments');
};

Node.js

const { extractFromUrl } = require('tgstat-parser/urlFetcher');
const { saveToJson } = require('tgstat-parser/exportUtils');

async function parseData() {
  const url = 'https://telega.in/catalog/investments';
  const channels = await extractFromUrl(url);
  
  // Save to file
  saveToJson(channels, 'channels.json');
  
  // Do something with the data
  console.log(`Parsed ${channels.length} channels`);
}

parseData().catch(console.error);

Features

• Extract data from telega.in URLs directly
• Works in both browser and Node.js environments
• Export data to JSON and CSV formats
• Handle CORS restrictions in browser with proxy
• Modular architecture for easy maintenance
• User-friendly UI in browser environment

File Structure

• main.js - Main entry point for processing HTML already in the browser
• urlFetcher.js - Module for fetching and parsing content from telega.in URLs
• parser.js - Core parsing logic to process multiple channel elements
• channelExtractor.js - Logic for extracting data from individual channel elements
• domUtils.js - Utility functions for working with DOM elements
• exportUtils.js - Functions for exporting data to JSON and CSV formats
• cli.js - Command line interface for Node.js usage
• browser-url-fetcher.js - Bundled version for browser usage with UI
• package.json - Project configuration and dependencies

Output Format

The parser extracts data into this structure:

{
  channelId: "67387",
  channelName: "Павел Шумилов",
  description: "Авторский канал. Акции России, США, Китая...",
  subject: "Инвестиции",
  metrics: {
    subscribers: 18057,
    rating: 122.0,
    apr: 4082, 
    err: 22.6,
    cpv: 3.75
  },
  price: {
    original: 18000.0,
    discounted: 15300.0,
    discountPercent: 15,
    discountType: "sale"
  },
  avatarUrl: "/system/channels/avatars/000/067/387/original/eviNUoDO3Hw.jpg",
  channelAdded: "catalog"
}

Dependencies

• Node.js >= 14.0.0
• jsdom (for Node.js DOM parsing)
• node-fetch (for Node.js HTTP requests)

License

MIT