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AtCoder Submission Notes

Add notes to AtCoder submissions

2025-03-03 기준 버전입니다. 최신 버전을 확인하세요.

  1. // ==UserScript==
  2. // @name         AtCoder Submission Notes
  3. // @namespace    https://greatest.deepsurf.us/users/your-username
  4. // @version      1.4
  5. // @description  Add notes to AtCoder submissions
  6. // @author       zerozero-0-0
  7. // @match        https://atcoder.jp/contests/*/submissions/me
  8. // @grant        none
  9. // @license MIT
  10. // ==/UserScript==
  11.  
  12. (function () {
  13.   "use strict";
  14.  
  15.   function getNoteKey(submissionId) {
  16.     return `atcoder_note_${submissionId}`;
  17.   }
  18.  
  19.   const table = document.querySelector("table");
  20.   if (!table) return;
  21.  
  22.   // ヘッダーに「Note」列を追加（重複防止）
  23.   const headerRow = table.querySelector("thead tr");
  24.   if (headerRow && !headerRow.querySelector(".note-header")) {
  25.     const noteHeader = document.createElement("th");
  26.     noteHeader.textContent = "Note";
  27.     noteHeader.className = "note-header";
  28.     headerRow.appendChild(noteHeader);
  29.   }
  30.  
  31.   // 各行に独立したメモ欄追加
  32.   document.querySelectorAll("tbody tr").forEach((row) => {
  33.     const link = row.querySelector('a[href*="/submissions/"]');
  34.     if (!link) return;
  35.  
  36.     const submissionId = link.href.split("/").pop();
  37.     const noteKey = getNoteKey(submissionId);
  38.  
  39.     const td = document.createElement("td");
  40.     td.style.minWidth = "200px";
  41.  
  42.     const textarea = document.createElement("textarea");
  43.     textarea.style.width = "100%";
  44.     textarea.style.height = "50px";
  45.     textarea.dataset.submissionId = submissionId; // 念のため識別用
  46.     textarea.value = localStorage.getItem(noteKey) || "";
  47.  
  48.     textarea.addEventListener("input", (event) => {
  49.       const target = event.target;
  50.       localStorage.setItem(noteKey, target.value);
  51.     });
  52.  
  53.     td.appendChild(textarea);
  54.     row.appendChild(td);
  55.   });
  56. })();