Intercepts Twitter requests to remove ads

remove-twitter-ads.user.js

// ==UserScript==
// @name         Remove Twitter ads at request level
// @description  Intercepts Twitter requests to remove ads
// @version      1.0
// @author       cane
// @match        https://twitter.com/*
// @icon         https://www.google.com/s2/favicons?domain=twitter.com
// @homepage     https://gist.github.com/mlnrDev/6a63e852e35bd81fe5f32b33ce6aa904
// @downloadURL  https://gist.github.com/mlnrDev/6a63e852e35bd81fe5f32b33ce6aa904/raw/remove-twitter-ads.user.js
// @updateURL    https://gist.github.com/mlnrDev/6a63e852e35bd81fe5f32b33ce6aa904/raw/remove-twitter-ads.user.js
// @run-at       document-start
// ==/UserScript==

(function () {
  const oldOpen = XMLHttpRequest.prototype.open;
  XMLHttpRequest.prototype.open = function (method, url) {
    const request = new URL(url);
    if (method == "GET") {
      const params = request.searchParams;
      const variables = params.get("variables");
      if (variables) {
        const json = JSON.parse(variables);
        if (json.includePromotedContent) {
          json.includePromotedContent = false;
          params.set("variables", JSON.stringify(json));
          url = request.toString();
        }
      }
    } else if (request.pathname.endsWith("HomeLatestTimeline")) {
      this._timelineRequest = true;
    }
    oldOpen.apply(this, arguments);
  };

  const oldSend = XMLHttpRequest.prototype.send;
  XMLHttpRequest.prototype.send = function (body) {
    if (this._timelineRequest) {
      const json = JSON.parse(body);
      json.variables.includePromotedContent = false;
      body = JSON.stringify(json);
    }
    oldSend.apply(this, arguments);
  };
})();