Thumblr Seen

Marks posts already seen on thumblr
当前为 2017-12-15 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name            Thumblr Seen
// @name:en         Thumblr Seen
// @namespace       https://gitlab.com/xaxim
// @version         0.2.0
// @description:en  Marks posts already seen on thumblr
// @author          Xaxim
// @match           https://www.tumblr.com/dashboard
// @match           https://www.tumblr.com/dashboard/*
// @grant           none
// @require         https://cdnjs.cloudflare.com/ajax/libs/lockr/0.8.4/lockr.min.js
// @description     Marks posts already seen on thumblr
// ==/UserScript==

Lockr.prefix = "thumblrseen_";
const seenPosfix = "seen";

measurePerformance(markAlreadySeenPosts);

function measurePerformance(fn) {
  console.clear();
  const t0 = performance.now();
  try {
    fn();
  } catch (err) {
    console.error("There was error(s)", err);
  }
  const t1 = performance.now();
  console.log(
    `thumblrseen version ${GM_info.script.version}: It took ${t1 -
      t0} milliseconds.`
  );
}

function markAlreadySeenPosts() {
  const posts = Array.from(document.querySelectorAll(".post_container"));
  posts.forEach(markAlreadySeenPost);
}

function markAlreadySeenPost(article) {
  const { pageable } = article.dataset;
  if (Lockr.sismember(seenPosfix, pageable)) {
    article.prepend(createAlreadySeen());
  } else {
    Lockr.sadd(seenPosfix, pageable);
  }
}

function createAlreadySeen() {
  const seen = document.createElement("p");
  seen.innerHTML = `<mark onClick="JSON.parse(localStorage.${Lockr.prefix}${seenPosfix}).data.map((item, i) => console.log(i,JSON.parse(item)));">ALREADY SEEN</mark>`;
  return seen;
}