Drupal.org blacklist user script

drupal-blacklist.user.js

 // ==UserScript==
 // @name           Drupal.org Blacklist
 // @description    Helps indicate people on Drupal.org that I have blacklisted from providing help.
 // @author         Dave Reid
 // @version        1.0
 // @include        http://drupal.org/*
 // @include        https://drupal.org/*
 // @include        http://*.drupal.org/*
 // @include        https://*.drupal.org/*
 // ==/UserScript==

// Content scope runner from dreditor
// If not already running in the page, inject this script into the page.
if (typeof __PAGE_SCOPE_RUN__ == 'undefined') {
  // Define a closure/function in the global scope in order to reference the
  // function caller (the function that executes the user script itself).
  (function page_scope_runner() {
    // Retrieve the source of this user script.
    var self_src = '(' + page_scope_runner.caller.toString() + ')();';

    // Add the source to a new SCRIPT DOM element; prepend it with the
    // __PAGE_SCOPE_RUN__ marker.
    // Intentionally no scope-wrapping here.
    var script = document.createElement('script');
    script.setAttribute('type', 'text/javascript');
    script.textContent = "var __PAGE_SCOPE_RUN__ = true;\n" + self_src;

    // Inject the SCRIPT element into the page.
    var head = document.getElementsByTagName('head')[0];
    head.appendChild(script);
  })();

  // End execution. This code path is only reached in a GreaseMonkey/user
  // script environment. User script environment implementations differ; not all
  // browsers (e.g., Opera) understand a return statement here, and it would
  // also prevent inclusion of this script in unit tests. Therefore, the entire
  // script needs to be wrapped in a condition.
}
// Drupal is undefined when drupal.org is down.
else if (typeof Drupal == 'undefined') {
}
// Execute the script as part of the content page.
else {

// Defines the blacklisted Drupal.org users.
var blacklisted_users = {
  422992 : 'IWasBornToWin',
  25027 : 'dgtlmoon',
  412207 : 'jddeli',
  69670 : 'zoon_unit'
}

String.prototype.beginsWith = function (string) {
    return(this.indexOf(string) === 0);
};

/**
 * Define GM_addStyle function if one doesn't exist
 */
if (typeof GM_addStyle != 'function') {
  function GM_addStyle(css) {
    var style = document.createElement('style');
    style.innerHTML = css;
    style.type='text/css';
    document.getElementsByTagName('head')[0].appendChild(style);
  }
}

GM_addStyle(' \
.blacklisted { background-color: #000000; color: #ffffff; font-weight: bold; padding: 1px 6px 2px; margin-left: 0.5em; } \
');

for (var uid in blacklisted_users) {
  var user_url = '/user/' + uid;

  // Add blacklist indicator to any links to the user.
  $('a[href="' + user_url + '"]').parent('div.submitted').append('<span class="blacklisted">blacklisted</span>');

  // Add blacklist indicator to the user's page.
  if (window.location.pathname.beginsWith(user_url)) {
    $('h1#page-title').append('<span class="blacklisted">blacklisted</span>');
  }
}

// End of content scope runner.
}