Tumblr: Empty trails on dashboard

tumblr-empty_trails_on_dashboard.user.js

// ==UserScript==
// @name        Tumblr: Empty trails on dashboard
// @description It won't work and you won't need it because of Tumblr.GhostList. /* Remove old posts on auto pagination. Similar to http://joodle.tumblr.com/post/14352059524/supertumblr, but works more efficiently. */
// @match       http://www.tumblr.com/dashboard
// @match       http://www.tumblr.com/dashboard/*
// @match       https://www.tumblr.com/dashboard
// @match       https://www.tumblr.com/dashboard/*
// @version     1.1
// @license     public domain
// ==/UserScript==

location.href = "javascript:(" + function(){
  function clearPosts(){
    var maxNodes = 10;
    var posts = document.querySelectorAll('#posts > .post_container:not(#new_post_buttons):not(._empty)');
    Array.prototype.slice.call(posts, 0, posts.length - maxNodes).forEach(clearPost);
  }

  function clearPost(post){
    post.classList.add('_empty');
    var content = post.querySelector('.post');
    content.style.height = post.getBoundingClientRect().height + 'px';
    emptyNode(content);
  }

  function emptyNode(node){
    while(node.firstChild) node.firstChild.remove();
  }

  Tumblr.AutoPaginator.on('after', clearPosts);
  window.addEventListener('AutoPagerize_DOMNodeInserted', clearPosts);
  window.addEventListener('AutoPatchWork.DOMNodeInserted', clearPosts);
} + ")()";