Add checkboxes to constraints of an AtCoder problem.
Verzia zo dňa
// ==UserScript==
// @name Check Constraints
// @name:ja 制約をチェックする
// @description Add checkboxes to constraints of an AtCoder problem.
// @description:ja AtCoderの問題ページの制約にチェックボックスを追加します。
// @version 1.0.0
// @icon https://www.google.com/s2/favicons?domain=atcoder.jp
// @author w0mbat
// @match https://atcoder.jp/contests/*/tasks/*
// @grant GM_addStyle
// @namespace https://greatest.deepsurf.us/users/754798
// ==/UserScript==
(function () {
'use strict';
console.log('😼＜「制約をチェックする」を実行します。');
async function addStyle(src) {
return new Promise((resolve) => {
const link = document.createElement("link");
link.rel = "stylesheet";
link.href = src;
document.getElementsByTagName("head")[0].appendChild(link);
});
}
addStyle('https://cdn.jsdelivr.net/npm/[email protected]/dist/pretty-checkbox.min.css');
addStyle('https://cdn.jsdelivr.net/npm/@mdi/[email protected]/css/materialdesignicons.min.css');
GM_addStyle(`
.pretty.p-icon .state .icon { top: calc(((100% - 1em) - 2px) / 3) !important }
.pretty .state label:after,.pretty .state label:before { top: calc(((100% - 1em) - 2px) / 3) !important }
`);
function* getConstraintsSections() {
// <h3>制約</h3>を子要素に持つsectionを取得
for (const section of document.getElementsByTagName('section')) {
for (const child of section.children) {
if (child.tagName.toLowerCase() !== 'h3') continue;
const text = child.textContent;
if (text === '制約' || text === 'Constraints') yield section;
}
}
}
function createCheckBox() {
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
return checkbox;
}
/**
* @param {HTMLLIElement} li
*/
function insertCheckBox(li) {
// https://lokesh-coder.github.io/pretty-checkbox/
const div = document.createElement('div');
div.className = 'pretty p-icon p-round p-pulse';
div.appendChild(createCheckBox());
const state = div.appendChild(document.createElement('div'));
state.className = 'state p-success';
const icon = state.appendChild(document.createElement('i'));
icon.className = 'icon mdi mdi-check';
const label = state.appendChild(document.createElement('label'));
[...li.childNodes].forEach(e => label.appendChild(e));
li.appendChild(div);
li.style.listStyleType = 'none';
}
for (const section of getConstraintsSections()) {
const ul = [...section.getElementsByTagName('ul')].shift();
if (ul) {
ul.style.paddingLeft = '1em';
[...ul.querySelectorAll('li')].forEach(li => insertCheckBox(li));
}
}
console.log('😼＜「制約をチェックする」を実行しました。');
})();