Hide/remove facebook suggested sponsored posts that appear in your feed by searching for non-timestamped posts

FB-RemoveSponsored.user.js

// -*- Mode: Javascript; tab-width: 3; indent-tabs-mode: tab; c-basic-offset: 2 -*-
/*******************************************************************************
	(C)2017+    Alp Sayin
	Authors:    Alp Sayin <https://www.facebook.com/My-Dummy-Page-for-Development-1417283351852520/>

	This work is licensed under a Creative Commons License !
	See: http://creativecommons.org/licenses/by-nc-nd/4.0/
*******************************************************************************/
// ==UserScript==
// @name        FB-Remove Sponsored Posts
// @namespace   https://www.facebook.com/My-Dummy-Page-for-Development-1417283351852520/
// @downloadURL https://gist.githubusercontent.com/alpsayin/abf3d1d77dfbfe8d840dc778257e0e7a/raw/FB-RemoveSponsored.user.js
// @updateURL   https://gist.githubusercontent.com/alpsayin/abf3d1d77dfbfe8d840dc778257e0e7a/raw/FB-RemoveSponsored.user.js
// @version     2018.01.05.1823.beta
// @description Remove the fucking sponsored posts by looking for non-timestamped posts in feed.
// @match       *://*.facebook.com/*
// @icon
// @author      ©alpsayin™
// @grant none
// @run-at document-start
// @copyright   (C)2017+ alpsayin <https://www.facebook.com/My-Dummy-Page-for-Development-1417283351852520/>
// @license     CC BY-NC-ND 4.0;	http://creativecommons.org/licenses/by-nc-nd/4.0/
// ==/UserScript==


"use strict";
(
    function (scope){
        var timer;
        var oldNumRemoved = 0, newNumRemoved = 0;

        function isElementInViewport (el) {
            var rect = el.getBoundingClientRect();
            return (
                rect.top >= 0 &&
                rect.left >= 0 &&
                rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /*or $(window).height() */
                rect.right <= (window.innerWidth || document.documentElement.clientWidth) /*or $(window).width() */
            );
        }
        function findAncestor (el, cls) {
            while ((el = el.parentElement) && !el.classList.contains(cls));
            return el;
        }
        function clickMoreStories() {
            var morestories;
            morestories = document.getElementsByClassName("fsxl fcg");
            if(morestories[0].innerText == "More Stories") {
                if(isElementInViewport(morestories[0])) {
                    morestories[0].click();
                    console.log("Clicked on more stories button")
                }
            } // */
        }
        function recursiveTimedRemover(){
            console.log("Activating recursive remover: "+oldNumRemoved)
            newNumRemoved = removeSponsored();
            if (newNumRemoved > oldNumRemoved || true) {
                setTimeout(function () {
                    oldNumRemoved = newNumRemoved;
                    recursiveTimedRemover();
                } , 2000 );
            }
            else {
                oldNumRemoved = 0;
            }
        }
        function removeSponsored (){
            var allstories, storybox, numRemoved;
            numRemoved = 0;
            allstories = document.getElementsByClassName("_5pcp _5lel _232_");
            for (var i = 0; i < allstories.length; i++) {
                if( allstories[i].getElementsByClassName("timestampContent").length === 0 ) {
                    storybox = allstories[i].closest("._5jmm");
                    console.log("Removed " + storybox.id +  " post");
                    storybox.style = "opacity: 0.5;";
                    storybox.style = "display: none;";
                    // storybox.outerHTML = "<div></div>"
                    numRemoved++;
                }
            }
            //if (numRemoved) {
                console.log("Removed "+numRemoved+" sponsored posts");
                // clickMoreStories();
            //}
            return numRemoved;
        }

        function domLoaded() {
            var homeButton;
            console.log("dom loaded");
            oldNumRemoved = 0;
            window.addEventListener("scroll", removeSponsored, false);
            window.requestIdleCallback(function () {
                console.log("home click timeout");
                oldNumRemoved = 0;
                recursiveTimedRemover();
                } )
            homeButton = document.getElementsByClassName("_2md");
            homeButton = homeButton[0];
            homeButton.addEventListener("click", homeClicked, false);
        }

        function homeClicked() {
            var homeButton;
            console.log("home click START");
            window.requestIdleCallback(function () {
                console.log("home click timeout");
                oldNumRemoved = 0;
                recursiveTimedRemover();
                } )
            console.log("home click END");
        }

        if( scope.addEventListener ) {
            console.log("FB-Remove Sponsored Posts");
            scope.addEventListener("DOMContentLoaded", domLoaded);
        }
    }
)( document );
// test change to see if updates propagate