DeTrumper.user.js

// ==UserScript==
// @name        DeTrumper
// @namespace   https://about.me/tomsparrow
// @description Browse BBC news Trump-free
// @include     *.bbc.co.uk/*
// @version     1.1
// @grant       none
// ==/UserScript==

(function ()
{
  window.setTimeout(deTrumpify, 100);
  window.setTimeout(deTrumpify, 500);
  window.setTimeout(deTrumpify, 1000);
  window.setTimeout(deTrumpify, 2000);
  window.setTimeout(deTrumpify, 5000);
  window.setTimeout(deTrumpify, 10000);

  function deTrumpify() {
    console.log("deTrumpifying your page");
    var divs = document.getElementsByTagName('div');
    var lis = document.getElementsByTagName('li'); // handle popular videos side bar list
    var as = document.getElementsByTagName('a'); // handle Top Stories side bar links on an article
    handleElems(divs);
    handleElems(lis);
    handleElems(as);
  }
  
  function handleElems(elems) {
    for (var i = 0, len = elems.length; i < len; ++i) {
      handleElem(elems[i]);
    }
  }
  
  function handleElem(elem) {
    try {
      if (classMatches(elem, "top-story__wrapper")        // BBC home page
       || classMatches(elem, "top-story")                 // BBC home page
       || classMatches(elem, "nw-c-top-stories__.*")      // BBC news home page
       || classMatches(elem, "spoonbill-item")            // BBC news 'Watch/Listen' side bar item
       || classMatches(elem, "sparrow-item")              // BBC news grey box sub-item
       || classMatches(elem, "kestrel-item")              // BBC news grey box bigger item
       || classMatches(elem, "macaw-item")                // BBC news simple text link
       || classMatches(elem, "faux-block-link")           // BBC news another link type
       || classMatches(elem, "falcon")                    // BBC news 'Breaking News' bottom banner
       || classMatches(elem, "most-popular-list-item")    // BBC news top videos side bar
       || classMatches(elem, "top-stories-promo-story"))  // BBC news top stories side bar
      {
        if (containsText(elem, "Trump")) {
          console.log("Hiding element with text: '" + getContainedText(elem) + "'");
          elem.style.display = 'none';
        }
      }
    } catch (e) {}
  }

  function containsText(elem, txt) {
    var contents = getContainedText(elem);
    return contents.length > 0 && (contents.indexOf(txt) != -1);
  }
  
  function getContainedText(elem) {
    if (typeof elem.textContent == 'string') { return elem.textContent; }
    if (typeof elem.innerText == 'string') { return elem.innerText; }
  }
  
  function classMatches(elem, cls) {
    var p = new RegExp("(^| )" + cls + "( |$)");
    return p.test(elem.className) ? true : false;
  }
})();