Directly download image from zerochan.net

Downloads image when you click to download icon on zerochan.net.
换行
// ==UserScript==
// @name        Directly download image from zerochan.net
// @namespace   https://myanimelist.net/profile/kyoyatempest
// @match       https://www.zerochan.net/*
// @version     4.0
// @author      kyoyacchi
// @description Downloads image when you click to download icon on zerochan.net.
// @license     none
// @icon        https://www.zerochan.net/favicon.ico
// @supportURL  https://github.com/kyoyacchi/zerochan-downloader/issues
// ==/UserScript==

(function () {
  "use strict";


  const downloadBtn = document.querySelector(".download-button");
  if (!downloadBtn) return;

  const imageUrl = downloadBtn.href;
  const fileName = imageUrl.split("/")[3] || "zerochan.png";

  downloadBtn.addEventListener("click", async (e) => {
    e.preventDefault();

    const blob = await fetch(imageUrl).then((r) => r.blob());
    const objectUrl = URL.createObjectURL(blob);

    const a = Object.assign(document.createElement("a"), {
      href: objectUrl,
      download: fileName,
    });
    document.body.appendChild(a);
    a.click();
    a.remove();
    URL.revokeObjectURL(objectUrl);

    
  });
})();