Reddit Auto Expand

reddit_auto_expand.user.js

// ==UserScript==
// @name         Reddit Auto Expand and keyboard navigation
// @namespace    http://www.reddit.com/
// @version      0.1
// @description  Auto expand all expandos on new reddit and a keyboard navigation that's not retarded.
// @author       Dregu
// @match        https://www.reddit.com/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';
  /*setInterval(function() {
    var e = document.querySelector('button[data-click-id=expando_open]:not([data-clicked])');
    if(e) {
      var x = e;
      setTimeout(function() { x.dataset.clicked = 1; }, 100);
      setTimeout(function() { x.click(); }, 100);
    }
  }, 200);*/
  document.addEventListener('keypress', navi);
  window.postnum = -1;
  function navi(e) {
    if(e.key == '.') { // next post
      var posts = document.querySelectorAll('.Post:not(.promotedlink)');
      if(posts[window.postnum]) {
        var current = posts[window.postnum].querySelector('button[data-click-id="expando_close"]');
        if(current) current.click();
      }
      window.postnum++;
      if(window.postnum > posts.length) window.postnum = posts.length;
      posts[window.postnum].scrollIntoView();
      var current = posts[window.postnum].querySelector('button[data-click-id="expando_open"]');
      if(current) current.click();
      var next = posts[window.postnum+1].querySelector('button[data-click-id="expando_open"]');
      if(next) next.click();
    }
    if(e.key == ',') { // prev post
      var posts = document.querySelectorAll('.Post:not(.promotedlink)');
      window.postnum--;
      if(window.postnum < 0) window.postnum = 0;
      posts[window.postnum].scrollIntoView();
      var current = posts[window.postnum].querySelector('button[data-click-id="expando_open"]');
      if(current) current.click();
    }
    if(e.key == '-') { // comments
      var close = document.querySelector('button[title="Close"]');
      if(close) {
        close.click();
      } else {
        var posts = document.querySelectorAll('.Post:not(.promotedlink)');
        posts[window.postnum].scrollIntoView();
        var current = posts[window.postnum].querySelector('a[data-click-id="comments"]');
        if(current) current.click();
      }
    }
  }
  document.querySelector('header').style.position = 'absolute';
})();