User script used in TamperMonkey to remove ads in Facebooks' news feed | Currently, working with the new theme in English

remove-ads.js

// ==UserScript==
// @name         Hide sponsored items
// @namespace    whatisthis
// @version      0.1
// @description  try to sanitize Facebook
// @author       Sy Hung Doan
// @match        https://www.facebook.com/*
// @match        https://facebook.com/*
// @grant        none
// ==/UserScript==

(function () {
  // src: https://codeburst.io/throttling-and-debouncing-in-javascript-b01cad5c8edf
  const throttle = (func, limit) => {
    let lastFunc;
    let lastRan;
    return function () {
      const context = this;
      const args = arguments;
      if (!lastRan) {
        func.apply(context, args);
        lastRan = Date.now();
      } else {
        clearTimeout(lastFunc);
        lastFunc = setTimeout(function () {
          if (Date.now() - lastRan >= limit) {
            func.apply(context, args);
            lastRan = Date.now();
          }
        }, limit - (Date.now() - lastRan));
      }
    };
  };

  let lastCommitIndex = 0;
  let unitsContainer = document.querySelector("div[role='feed']");

  const callback = () => {
    unitsContainer = document.querySelector("div[role='feed']");
    if (!unitsContainer) {
      return;
    }

    const feedUnits = Array.from(
      document.querySelectorAll(
        `div[role='feed'] > div[data-pagelet^='FeedUnit_']:nth-child(n+${lastCommitIndex})`
      )
    );

    if (!feedUnits.length) {
      return;
    }

    Array(feedUnits.length)
      .fill(0)
      .forEach((_, i, obj) => {
        const unit = feedUnits[i];

        if (unit.querySelector("[aria-label='Sponsored']")) {
          unitsContainer.removeChild(unit);
          obj.splice(i, 1);
        } else {
          lastCommitIndex = i;
        }
      });
  };

  const callbackThrottled = throttle(callback, 1000);

  const observer = new MutationObserver(callbackThrottled);
  observer.observe(unitsContainer, { childList: true });
})();

Thank you, this works with the new facebook theme that broke the old ones.

Thank you, this works with the new facebook theme that broke the old ones.

Glad that it helped you. I know there may be some bugs hidden somewhere and the performance doesn't seem like very good. I'll improve it on the way :D

yes, i notice that but its good enough. ill keep an eye on this repo to see all your updates :)

yes, i notice that but its good enough. ill keep an eye on this repo to see all your updates :)

Thanks 🤓