View all editorials of the AtCoder contest in one page.
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// ==UserScript==
// @name View All Editorials
// @name:ja 解説ぜんぶ見る
// @description View all editorials of the AtCoder contest in one page.
// @description:ja AtCoderコンテストの解説ページに、すべての問題の解説をまとめて表示します。
// @version 1.2.2
// @match https://atcoder.jp/contests/*/editorial
// @match https://atcoder.jp/contests/*/editorial?*
// @grant GM_addStyle
// @namespace https://github.com/w0mbat-kyopro/user-scripts
// @author w0mbat
// ==/UserScript==
(async function () {
'use strict';
console.log(`🐻 "View All Editorials" start execution. 🐻`)
async function addScript(src) {
return new Promise((resolve) => {
const script = document.createElement("script");
script.type = "text/javascript";
script.src = src;
script.onload = resolve;
document.getElementsByTagName("head")[0].appendChild(script);
});
}
async function loadMathJax() {
await addScript("https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-MML-AM_CHTML");
MathJax.Hub.Config({ messageStyle: "none", tex2jax: { skipTags: ["script", "noscript", "style", "textarea", "code"], inlineMath: [['$', '$'], ['\\(', '\\)']] } });
}
async function loadPrettifier() {
await addScript("https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js");
}
async function getEditorial(link) {
return new Promise((resolve) => {
const xhr = new XMLHttpRequest()
xhr.responseType = "document";
xhr.onload = (response) => {
const dom = response.target.responseXML;
const editorialDom = dom.querySelector("#main-container > div.row > div:nth-child(2) > div:nth-child(3)");
editorialDom && link.parentNode.appendChild(editorialDom);
resolve();
}
xhr.open("GET", link.href);
xhr.send();
});
}
async function getAllEditorials() {
return Promise.all(Array.prototype.filter.call(document.getElementsByTagName('a'), e => e.href.match(/\/editorial\//))
.map(e => getEditorial(e)));
}
GM_addStyle("pre code { tab-size: 4; }");
await getAllEditorials();
await loadMathJax();
await loadPrettifier();
console.log(`🐻 "View All Editorials" end execution. 🐻`)
})();