Add `Steam - Disable Auto Away` script

Steam - Disable Auto Away.user.js

@@ -0,0 +1,32 @@
+// ==UserScript==
+// @name        Steam - Disable automatic 'Away'
+// @namespace   steam
+// @description Suppresses function to automatically set user as Away in Steam browser chat
+// @include     http://steamcommunity.com/*
+// @include     https://steamcommunity.com/*
+// @version     1.0
+// @grant       unsafeWindow
+// @run-at      document-start
+// ==/UserScript==
+
+function inject() {
+  // Override method which calculates the idle time using `eval`
+  // We've to use eval, since we cannot create new functions in the original window. This would
+  // cause scripts to crash, since they have no access to functions from other windows.
+  unsafeWindow.eval(`window.g_FriendsUIApp.m_IdleTracker.__proto__.GetUserIdleTime = () => 1;`);
+  
+  unsafeWindow.console.clear();
+  unsafeWindow.console.log('%c Code injected! ', 'background: green; color: white');
+}
+
+// A normal event listener wouldn't do the job here, since the Steam Chat uses a combination
+// of React and jQuery to dynamically fetch content in the virtual DOM. So we've to do this
+// terribleness ...
+function ready() {
+  if (unsafeWindow.g_FriendsUIApp !== undefined && unsafeWindow.g_FriendsUIApp.m_bReadyToRender) {
+    inject();
+    return;
+  }
+  setTimeout(ready, 1000);
+}
+ready();