View editorials of all problems in one page.
// ==UserScript==
// @name AtCoder Editorial Collector
// @name:ja AtCoder Editorial Collector
// @description View editorials of all problems in one page.
// @description:ja 全問題の解説を1ページに表示します。
// @version 1.2.1
// @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(`🐻 "AtCoder Editorial Collector" start execution. 🐻`)
async function addScript(src, onload = () => { }) {
return new Promise((resolve) => {
const script = document.createElement("script");
script.type = "text/javascript";
script.src = src;
script.onload = () => { 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(`🐻 "AtCoder Editorial Collector" end execution. 🐻`)
})();