AtCoder - You're top X% - Zdrojový kód

AtCoder - You're top X%

Displays your approximate ranking percentile among all active AtCoder users on your profile page.

Verze ze dne 05. 10. 2024. Zobrazit nejnovější verzi.

Zeptejte se na otázku, přidejte recenzi nebo skript nahlašte.

Wrap lines

// ==UserScript==
// @name         AtCoder - You're top X%
// @namespace    https://gist.github.com/k1832/9438a1469bb2fa94d26702e1556aff97
// @version      1.1
// @description  Displays your approximate ranking percentile among all active AtCoder users on your profile page.
// @author       k1832
// @match        https://atcoder.jp/users/*
// @license      MIT License, Copyright (c) 2024 Keita Morisaki
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(function () {
    'use strict';

    const url = new URL(window.location.href);
    const contestType = url.searchParams.get('contestType');

    if (contestType === 'algo' || contestType === null) {
        /*
         * EN: Fetch the total number of active AtCoder users from a JSON file hosted on GitHub.
         * JA: GitHub でホストされている JSON ファイルから、AtCoder のアクティブユーザーの総数を取得します。
         *
         * API implementation/host: https://github.com/k1832/atcoder-api
         */
        GM_xmlhttpRequest({
            method: "GET",
            url: "https://k1832.github.io/atcoder-api/api/v1/total-active-users.json",
            onload: function (response) {
                const data = JSON.parse(response.responseText);
                const totalCount = data.val;

                let rankNode = document.evaluate(
                    '//th[text()="順位" or text()="Rank"]/following-sibling::td',
                    document,
                    null,
                    XPathResult.ANY_TYPE,
                    null
                ).iterateNext();

                if (!rankNode) {
                    console.error('Ranking element not found.');
                    return;
                }

                const rankText = rankNode.textContent;

                // "8956th" -> 8956
                const rank = parseInt(rankText.slice(0, -2), 10);
                const percentage = rank / totalCount * 100;
                rankNode.textContent += ` (top ${percentage.toFixed(2)}%)`;
            },
            onerror: function (error) {
                console.error('Error fetching user count:', error);
            }
        });
    }
})();