AtCoder Beautiful Code View

AtCoderの提出コードを美しい表示にします
Version vom 01.05.2022. Aktuellste Version
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// ==UserScript==
// @name    AtCoder Beautiful Code View
// @namespace    http://tampermonkey.net/
// @version    0.2
// @description    AtCoderの提出コードを美しい表示にします
// @author     Chippppp
// @license    MIT
// @match    https://atcoder.jp/contests/*/submissions/*
// @grant    none
// ==/UserScript==

"use strict";

(function() {
    // Monaco Editor in cdnjs
    // Copyright (c) 2016 - present Microsoft Corporation
    let script = document.createElement("script");
    script.src = "https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/loader.min.js";
    document.head.prepend(script);

    let header = document.createElement("script");
    header.innerHTML = `
        document.getElementsByClassName("linenums")[0].style.display = "none";
        document.getElementsByClassName("btn-text toggle-btn-text source-code-expand-btn")[0].style.display = "none";
        document.getElementsByClassName("btn-copy btn-pre")[0].style.zIndex = "1";
        document.getElementsByClassName("btn-copy btn-pre")[0].style.borderRadius = "0";
        document.getElementsByClassName("btn-copy btn-pre")[1].style.zIndex = "1";
        document.getElementsByClassName("btn-copy btn-pre")[1].style.borderRadius = "0";
    `
    document.head.prepend(header);

    let div = document.createElement("div");
    div.style.marginTop = "10px";
    div.style.marginBottom = "30px";
    document.getElementById("submission-code").after(div);

    let arr = new Array;
    for (let i = 0; i < 10; ++i) {
        arr.push(document.getElementsByClassName("L" + i.toString()));
    }
    let str = ""
    let idx;
    for (idx = 0; ; ++idx) {
        if (Math.floor(idx / 10) < arr[idx % 10].length) {
            str += arr[idx % 10][Math.floor(idx / 10)].innerText;
            str += "\n";
        } else break;
    }
    div.style.height = Math.min(510, (idx + 1) * 21 + 6).toString() + "px";
    console.log(idx);

    let lang = document.getElementsByClassName("text-center")[3].innerText;
    lang = lang.slice(0, lang.indexOf(" ")).toLocaleLowerCase().replace("#", "sharp");
    if (lang.startsWith("pypy")) lang = "python";
    else if (lang == "c++") lang = "cpp";

    script.onload = function() {
        require.config({ paths: { "vs": "https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs" } });

        require(["vs/editor/editor.main"], function() {
            monaco.editor.create(div, {
                value: str,
                language: lang,
                theme: "vs-dark",
                readOnly: true,
                lineHeight: 21,
            });
            document.getElementsByClassName("monaco-editor")[0].style.paddingTop = "20px";
        });
    };
})();