atcoder-refactor

Rewrites variable names in AtCoder problem statements.

La data de 15-06-2020. Vezi ultima versiune.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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-refactor
// @namespace    https://github.com/yoshrc
// @version      0.1
// @description  Rewrites variable names in AtCoder problem statements.
// @author       yoshrc
// @match        https://atcoder.jp/contests/*/tasks/*
// @grant        none
// ==/UserScript==

// TODO
// - Inline edit like IDE's multiselection instead of popup
// - Save variable name mapping in localStorage

(function() {
    'use strict';

    const ID_ATTR = 'data-atcoder-refactor-id';

    const isAlpha = str => str.match(/^[A-Za-z]+$/);

    const rewriteVariables = id => {
        // TODO: Use current variable name instead of id
        const newName = prompt('Variable Name', id);
        document.querySelectorAll(`[${ID_ATTR}=${id}]`).forEach(varElem => {
            varElem.textContent = newName;
        })
    }

    // TODO: Use MathJax hook instead of wait 1000ms
    setTimeout(() => {
        document.querySelectorAll('.mjx-char').forEach(varElem => {
            const varId = varElem.textContent;
            if (!isAlpha(varId)) {
                return;
            }

            varElem.setAttribute(ID_ATTR, varId);
            varElem.onclick = () => rewriteVariables(varId);
        });
    }, 1000);
})();