AtCoder Crouch Start

Add a link to problem A on upcoming AtCoder contest pages

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey, Greasemonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name            AtCoder Crouch Start
// @name:ja         AtCoder Crouch Start
// @namespace       https://github.com/xe-o
// @version         0.2
// @description     Add a link to problem A on upcoming AtCoder contest pages
// @description:ja  AtCoderの開始前のコンテストページにA問題へのリンクを追加します
// @author          XERO
// @license         MIT
// @match           https://atcoder.jp/contests/*
// @exclude         https://atcoder.jp/contests/
// @grant           none
// ==/UserScript==

(function () {
  "use strict";

  const fixtime = document.querySelector(".fixtime-full");
  const navTabs = document.querySelector(".nav.nav-tabs");
  const pullRightListItem = document.querySelector("li.pull-right");

  if (fixtime && Date.parse(fixtime.innerText) > Date.now()) {
    const contestID = window.location.pathname.split("/")[2];
    const tab = document.createElement("li");
    tab.innerHTML = `<a href="/contests/${contestID}/tasks/${contestID}_a"><span class="glyphicon glyphicon-paperclip" style="margin-right:4px;" aria-hidden="true"></span>A問題</a>`;
    navTabs.insertBefore(tab, pullRightListItem);
  }
})();