AtCoder Editorial Collector

View editorials of all problems in one page.

اعتبارا من 22-11-2020. شاهد أحدث إصدار.

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 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.

ستحتاج إلى تثبيت إضافة مثل Stylus لتثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتتمكن من تثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتثبيت هذا النمط.

(لدي بالفعل مثبت أنماط للمستخدم، دعني أقم بتثبيته!)

// ==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. 🐻`)
})();