Hacker Fresh のソースコード

Hacker Fresh

Highlights fresh comments on HN.

2015/01/23のページです。最新版はこちら

右端で折り返す

// ==UserScript==
// @name          Hacker Fresh
// @version       0.0.2
// @namespace     http://userscripts.psbarrett.com
// @description	  Highlights fresh comments on HN.
// @include       https://news.ycombinator.com/item*
// @grant         GM_addStyle
// ==/UserScript==
'use strict'

GM_addStyle(
`td.vote-box {
  border-radius: 5px 0px 0px 5px;
}
.fresh-item {
  background-color: #FF944D;
}`);

function get_comment_id(vote_box) {
  var item_link_ele = vote_box.parentElement.querySelector('.comhead > a:nth-child(2)');
  
  // Check for Deleted Comment
  if (item_link_ele === null) {
    return null;
  }
  
  var link = new URL(item_link_ele.href);
  return link.searchParams.get('id');
  
}

var all_vote_box = document.querySelectorAll('tbody > tr > td[valign=top]');

for (var e of all_vote_box) {
  e.classList.add("vote-box");
  
  var item_id = get_comment_id(e);
  if (item_id !== null) {
    var status = localStorage.getItem(item_id)

    if (status === null) {
      e.classList.add("fresh-item");
      localStorage.setItem(item_id, "seen")
    }
  }
}