AtCoder Zip Copy

AtCoderの問題文中の .zip リンクの横にコピーボタンを追加します。

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         AtCoder Zip Copy
// @namespace    https://github.com/e6nlaq/atcoder-zip-copy
// @version      1.0.0
// @author       e6nlaq
// @description  AtCoderの問題文中の .zip リンクの横にコピーボタンを追加します。
// @license      MIT
// @copyright    (C) 2026 e6nlaq
// @match        https://atcoder.jp/contests/*/tasks/*
// ==/UserScript==

(function () {
  'use strict';

  function init() {
    const taskStatement = document.getElementById("task-statement");
    if (!taskStatement) return;
    const links = taskStatement.querySelectorAll("a");
    for (const link of links) {
      const url = new URL(link.href, window.location.href);
      if (url.pathname.toLowerCase().endsWith(".zip")) {
        const btn = document.createElement("button");
        btn.type = "button";
        btn.textContent = "Copy";
        btn.className = "btn btn-default btn-sm";
        btn.style.marginLeft = "0.5em";
        btn.style.verticalAlign = "middle";
        btn.addEventListener("click", (e) => {
          e.preventDefault();
          navigator.clipboard.writeText(link.href).then(() => {
            const originalText = btn.textContent;
            btn.textContent = "Copied!";
            setTimeout(() => {
              btn.textContent = originalText;
            }, 1e3);
          });
        });
        link.parentNode?.insertBefore(btn, link.nextSibling);
      }
    }
  }
  init();

})();