Greasy Fork - Script Counter

Add number of scripts on user's profile page
Version vom 10.03.2014. Aktuellste Version
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// ==UserScript==
// @id              greasy-fork-script-counter@loucypher
// @name            Greasy Fork - Script Counter
// @namespace       https://github.com/LouCypher/userscripts
// @description     Add number of scripts on user's profile page
// @version         1.1
// @author          LouCypher
// @license         WTFPL
// @screenshot      https://raw.github.com/LouCypher/userscripts/master/greasyfork/script-counter/screenshot.png
// @contributionURL http://loucypher.github.io/userscripts/donate.html?Greasy+Fork+-+Script+Counter
// @homepageURL     https://greasyfork.org/scripts/180
// @supportURL      https://greasyfork.org/scripts/180/feedback
// @resource        CHANGELOG https://raw.github.com/LouCypher/userscripts/master/greasyfork/script-counter/CHANGELOG.txt
// @resource        LICENSE https://raw.github.com/LouCypher/userscripts/master/licenses/WTFPL/LICENSE.txt
// @run-at          document-end
// @include         https://greasyfork.org/users/*
// @grant           none
// ==/UserScript==
/* This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the Do What The Fuck You Want
 * To Public License, Version 2, as published by Sam Hocevar. See
 * http://www.wtfpl.net/ for more details. */



function throwError() {
  throw new Error("Some thing went wrong.");
}

// For blue/brown style in Sonny's script
function addStyle(aNum) {
  var css = 'body > h2:after { content: " - ' + aNum + ' Scripts" !important; }';
  var style = document.head.appendChild(document.createElement("style"));
  style.type = "text/css";
  style.textContent = css;
}

var scriptList = document.querySelectorAll("#user-script-list > li");
var scriptTable = document.getElementById("script-table");
var scripts;

if (scriptList.length)
  scripts = scriptList.length;  // User has script(s)

// If user has script(s) and Sonny's user script is installed
else if (scriptTable) {
  var rows = scriptTable.querySelectorAll("tr");  // Count number of rows
  scripts = rows.length - 1;  // Number of scripts = number of rows - 1
}

if (scripts) {  // If user has script(s)
  var username = document.querySelector("h2");
  var title = document.querySelector("body > section:not([id]) h3");
  if (title)
    // If using brown/blue style by Sonny's script
    if (getComputedStyle(title, null).getPropertyValue("display") == "none")
      addStyle(scripts);  // overwrite style
    else  // add number of script(s) in Scripts section
      title.appendChild(document.createTextNode(" (" + scripts + ")"));
  else
    throwError(); // Sam ting wen wong
}
// else user didn't post any scripts