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atcoder-refactor

Rewrites variable names in AtCoder problem statements.

Verze ze dne 15. 06. 2020. Zobrazit nejnovější verzi.

  1. // ==UserScript==
  2. // @name         atcoder-refactor
  3. // @namespace    https://github.com/yoshrc
  4. // @version      0.1
  5. // @description  Rewrites variable names in AtCoder problem statements.
  6. // @author       yoshrc
  7. // @match        https://atcoder.jp/contests/*/tasks/*
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. // TODO
  12. // - Inline edit like IDE's multiselection instead of popup
  13. // - Save variable name mapping in localStorage
  14.  
  15. (function() {
  16.     'use strict';
  17.  
  18.     const ID_ATTR = 'data-atcoder-refactor-id';
  19.  
  20.     const isAlpha = str => str.match(/^[A-Za-z]+$/);
  21.  
  22.     const rewriteVariables = id => {
  23.         // TODO: Use current variable name instead of id
  24.         const newName = prompt('Variable Name', id);
  25.         document.querySelectorAll(`[${ID_ATTR}=${id}]`).forEach(varElem => {
  26.             varElem.textContent = newName;
  27.         })
  28.     }
  29.  
  30.     // TODO: Use MathJax hook instead of wait 1000ms
  31.     setTimeout(() => {
  32.         document.querySelectorAll('.mjx-char').forEach(varElem => {
  33.             const varId = varElem.textContent;
  34.             if (!isAlpha(varId)) {
  35.                 return;
  36.             }
  37.  
  38.             varElem.setAttribute(ID_ATTR, varId);
  39.             varElem.onclick = () => rewriteVariables(varId);
  40.         });
  41.     }, 1000);
  42. })();