☰

Blocki

Block Instagram from registering that you've viewed stories

  1. // ==UserScript==
  2. // @name        Blocki
  3. // @namespace    https://github.com/jOaawd/
  4. // @version      1.0
  5. // @description  Block Instagram from registering that you've viewed stories
  6. // @author       https://github.com/jOaawd/
  7. // @match        *://www.instagram.com/*
  8. // @grant        none
  9. // @license      CC BY-NC 4.0 https://creativecommons.org/licenses/by-nc/4.0/
  10. // ==/UserScript==
  11.  
  12. (function () {
  13.   'use strict';
  14.  
  15.   const blockPattern = /PolarisAPIReelSeenMutation|PolarisStoriesV3SeenMutation/i;
  16.  
  17.   // XMLHttpRequest
  18.   const originalXHROpen = XMLHttpRequest.prototype.open;
  19.   const originalXHRSend = XMLHttpRequest.prototype.send;
  20.  
  21.   XMLHttpRequest.prototype.send = function (body) {
  22.     if (typeof body === 'string' && blockPattern.test(body)) {
  23.       console.log('[Blocki] Blocked XHR story seen mutation:', body);
  24.       return; // Block the request
  25.     }
  26.     return originalXHRSend.apply(this, arguments);
  27.   };
  28.  
  29.   // Fetch
  30.   const originalFetch = window.fetch;
  31.   window.fetch = function () {
  32.     const args = arguments;
  33.     let bodyToCheck = '';
  34.  
  35.     try {
  36.       const request = args[0];
  37.       const options = args[1] || {};
  38.       bodyToCheck = options.body || '';
  39.  
  40.       if (typeof bodyToCheck === 'string' && blockPattern.test(bodyToCheck)) {
  41.         console.log('[Blocki] Blocked fetch story seen mutation:', bodyToCheck);
  42.         return new Promise(() => {}); // Return a never resolving Promise to silently cancel
  43.       }
  44.     } catch (err) {
  45.       console.warn('[Blocki] Error checking fetch body', err);
  46.     }
  47.  
  48.     return originalFetch.apply(this, args);
  49.   };
  50.  
  51. })();