Filter UK/US Politics from facebook

facebookPoliticsFilter.js

// ==UserScript==
// @name         Facebook Politics Filter
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Remove As Many politics posts as possible from your facebook feed
// @author       Campbell Morgan @camsmorgan
// @match        https://www.facebook.com/
// @grant        none
// ==/UserScript==

/**
 * To use install TamperMonkey chrome extension
 * https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo?hl=en
 * And paste this as a userscript
 */

(function() {
    'use strict';
    var filters = [
        'corbyn',
        'theresa',
        'labour',
        'conservatives',
        'momentum',
        'tories',
        'tory',
        'race',
        'lib dems',
        'politics',
        'elections',
        'nhs',
        'politic',
        'vote',
        'healthcare',
        'parliament',
        'pence',
        'trump',
        'clinton',
        'senate',
        'congress',
        'queen',
        'israel',
        'palestine',
        'iran',
        'protest',
        'syria',
        'demonstration',
        ];
    const filter = (nodes) => {
        if (!nodes) return console.info('No nodes');
      nodes.forEach((node) => {
          if (node.dataset && node.dataset.filtered) return;
          console.info('Filtering node');
          node.dataset.filtered = true;
          var text = node.textContent.toLowerCase();
          var canShow = filters.reduce((show, keyword) => {
              if (!show) return show;
              if (text.includes(keyword)) return false;
              return show;
          }, true);
          if (!canShow) node.style.display = 'none';
      });
    };
    var obsrv = new MutationObserver((mutations) => {
        mutations.forEach((mutation) => {
            if (!mutation.addedNodes) return console.info('no changes', mutation);
            filter(document.querySelectorAll('.fbUserContent'));
        });
    });

    obsrv.observe(document.getElementById('contentCol'), {
        childList: true,
        subtree: true,
        attributes: false,
        characterData: false,
    });
    console.info('Loading FB Politics Filter');

})();