屏蔽 VXNA 不想看到的数据源

有些大博客大量内容就几十个字，或者贴段代码自嗨。

不想被这些数据源刷屏，所以写了这个脚本。应该，也许，没有大问题吧？

// ==UserScript==
// @name         vxna_blacklist
// @namespace    http://tampermonkey.net/
// @version      2024-06-20
// @description  try to take over the world!
// @author       You
// @match        https://v2ex.com/xna*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// ==/UserScript==

(function() {
  'use strict';
  const vxna_blacklist = JSON.parse(localStorage.getItem("vxna_blacklist")) || [];
  let init = false;
  const handle = () => {
    document
      .querySelectorAll(".xna-entry.cell .xna-entry-source .node")
      .forEach((el) => {
        if (vxna_blacklist.includes(el.text)) {
          el.closest(".xna-entry.cell").style.display = "none";
        } else {
          if (init) return;
          const fragment = document.createDocumentFragment();
          const span1 = document.createElement("span");
          const span2 = document.createElement("span");
          span1.className = "fade";
          span2.className = "fade black";
          span1.innerHTML = "&nbsp;•&nbsp;";
          span2.innerHTML = "&nbsp;屏蔽&nbsp;";
          span2.setAttribute("data-name", el.text);
          fragment.appendChild(span1);
          fragment.appendChild(span2);
          el.closest("div").appendChild(fragment);
        }
      });
    init = true;
  };
  handle();
  document.querySelector("#Main>.box").addEventListener("click", (e) => {
    const target = e.target;
    if (!target) return;
    if (target.className === "fade black") {
      vxna_blacklist.unshift(target.getAttribute("data-name"));
      localStorage.setItem("vxna_blacklist", JSON.stringify(vxna_blacklist));
      handle();
    }
  });
})();