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isbot

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isbot

πŸ€– detect bots/crawlers/spiders via the user agent.

  • 3.6.2
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
658K
increased by2.9%
Maintainers
2
Weekly downloads
Β 
Created

What is isbot?

The 'isbot' npm package is a lightweight utility for detecting bots, crawlers, and spiders based on the user agent string. It helps developers identify non-human traffic to their websites or applications.

What are isbot's main functionalities?

Basic Bot Detection

This feature allows you to check if a given user agent string belongs to a bot. The function returns true if the user agent is identified as a bot, otherwise false.

const isBot = require('isbot');

const userAgent = 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)';
console.log(isBot(userAgent)); // true

Custom Bot Patterns

You can extend the default bot detection patterns with custom patterns. This is useful if you have specific bots that are not covered by the default list.

const isBot = require('isbot');

isBot.extend(['my-custom-bot']);
const userAgent = 'my-custom-bot';
console.log(isBot(userAgent)); // true

Bot Detection in HTTP Requests

This feature demonstrates how to use 'isbot' to detect bots in incoming HTTP requests. Depending on whether the user agent is a bot, the server responds with a different message.

const isBot = require('isbot');
const http = require('http');

http.createServer((req, res) => {
  if (isBot(req.headers['user-agent'])) {
    res.writeHead(200, { 'Content-Type': 'text/plain' });
    res.end('Hello, bot!');
  } else {
    res.writeHead(200, { 'Content-Type': 'text/plain' });
    res.end('Hello, human!');
  }
}).listen(3000);

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Package last updated on 26 Oct 2022

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