Blocki

Block Instagram from registering that you've viewed stories

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        Blocki
// @namespace    https://github.com/jOaawd/
// @version      1.0
// @description  Block Instagram from registering that you've viewed stories
// @author       https://github.com/jOaawd/
// @match        *://www.instagram.com/*
// @grant        none
// @license      CC BY-NC 4.0 https://creativecommons.org/licenses/by-nc/4.0/
// ==/UserScript==

(function () {
  'use strict';

  const blockPattern = /PolarisAPIReelSeenMutation|PolarisStoriesV3SeenMutation/i;

  // XMLHttpRequest
  const originalXHROpen = XMLHttpRequest.prototype.open;
  const originalXHRSend = XMLHttpRequest.prototype.send;

  XMLHttpRequest.prototype.send = function (body) {
    if (typeof body === 'string' && blockPattern.test(body)) {
      console.log('[Blocki] Blocked XHR story seen mutation:', body);
      return; // Block the request
    }
    return originalXHRSend.apply(this, arguments);
  };

  // Fetch
  const originalFetch = window.fetch;
  window.fetch = function () {
    const args = arguments;
    let bodyToCheck = '';

    try {
      const request = args[0];
      const options = args[1] || {};
      bodyToCheck = options.body || '';

      if (typeof bodyToCheck === 'string' && blockPattern.test(bodyToCheck)) {
        console.log('[Blocki] Blocked fetch story seen mutation:', bodyToCheck);
        return new Promise(() => {}); // Return a never resolving Promise to silently cancel
      }
    } catch (err) {
      console.warn('[Blocki] Error checking fetch body', err);
    }

    return originalFetch.apply(this, args);
  };

})();