Adds a clear notifcations button to the forums drop down menu

gog-clear-forum-notifications.user.js

// ==UserScript==
// @name	GOG Menu Dot
// @namespace	https://gist.github.com/NZDev0/
// @author	Dev0 NZ
// @description	Clear Notifications button on the community drop down menu
// @updateURL	https://gist.github.com/NZDev0/3c0986163492fd50603d1415ad80d367/raw/
// @downloadURL	https://gist.github.com/NZDev0/3c0986163492fd50603d1415ad80d367/raw/
// @match	https://www.gog.com/*
// @run-at       document-start
// @version	1.2
// ==/UserScript==

/*
 * Thanks for the angular hook in code
 * https://gist.github.com/adaliabooks/bf3cbdbb56db6c107dd8
 *
 */

document.addEventListener ("DOMContentLoaded", DOM_ContentReady);

function DOM_ContentReady () {
  contentEval(function() {
    if(window.gog) {
      gog.config(
        ['$compileProvider', function( $compileProvider ) {
          $compileProvider.debugInfoEnabled(true);
        }]
      );
      
      var clear_btn = document.createElement('a');
			var menu_btn = document.createElement("div");

      clear_btn.setAttribute("href", "#");
      clear_btn.setAttribute("class", "menu-submenu-link");
      clear_btn.onclick = () => {
        angular.element(document.body).injector().get('menuNotificationsRepository').deleteAllNotifications();
      };
      clear_btn.innerHTML = "Clear Notifications";

      menu_btn.setAttribute("class", "menu-submenu-item menu-submenu-item--hover");	
      menu_btn.appendChild(clear_btn);

      // Add notifications button
      document.querySelector('.js-menu-community').childNodes[2].prepend(menu_btn);    
    }
  });
}

function contentEval(source) {
    // Check for function input.
    if ('function' == typeof source) {
        // Execute this function with no arguments, by adding parentheses.
        // One set around the function, required for valid syntax, and a
        // second empty set calls the surrounded function.
        source = '(' + source + ')();'
    }

    // Create a script node holding this  source code.
    var script = document.createElement('script');
    script.setAttribute("type", "application/javascript");
    script.textContent = source;

    // Insert the script node into the page, so it will run, and immediately
    // remove it to clean up.
    document.body.appendChild(script);
    document.body.removeChild(script);
}