lucky.js

// ==UserScript==
// @name         Juejin Lucky
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  从关注 网易云音乐大前端团队 并且在 https://juejin.im/pin/6871042321472421902 沸点下回复的用户中去重后随机抽出 25 个，并分 3 组
// @author       Cody
// @match        https://juejin.im/pin/6871042321472421902
// @grant        none
// ==/UserScript==

const UID = '4265760847567016';
const ITEM_ID = '6871042321472421902';
const CLIENT_TYPE = 2608;
const ITEM_TYPE = 4;
const COUNT = 25;

const HOT_TOPIC_COMMENT_URL = 'https://apinew.juejin.im/interact_api/v1/comment/list';
const FOLLOWER_URL = 'https://apinew.juejin.im/user_api/v1/follow/followers';

/**
 * Fisher–Yates shuffle
 */
Array.prototype.shuffle = function () {
    const input = this;

    for (let i = input.length - 1; i >= 0; i--) {

        const randomIndex = Math.floor(Math.random() * (i + 1));
        const itemAtIndex = input[randomIndex];

        input[randomIndex] = input[i];
        input[i] = itemAtIndex;
    }
    return input;
};

async function getAllComments(cur = '0') {
    const { count, cursor, has_more, data } = await fetch(HOT_TOPIC_COMMENT_URL, {
        method: 'POST',
        headers: {
            'content-type': 'application/json',
        },
        body: JSON.stringify({
            cursor: cur,
            client_type: CLIENT_TYPE,
            item_id: ITEM_ID,
            item_type: ITEM_TYPE,
            limit: 20,
        }),
    }).then(res => res.json());

    console.log(`获取沸点评论进度：${cursor}/${count}`);
    if (!has_more) return data;

    const others = await getAllComments(cursor);
    return [...data, ...others];
}


async function getAllFollowers(cur = '0') {
    const { data: { count, cursor, hasMore, data } } = await fetch(`${FOLLOWER_URL}?user_id=${UID}&cursor=${cur}&limit=20`).then(res => res.json());

    console.log(`获取关注者进度：${cursor}/${count}`);
    if (!hasMore) return data;

    const others = await getAllFollowers(cursor);
    return [...data, ...others];
}


(async () => {
    const t = new Date();
    console.log(`当前时间：${t.toLocaleDateString()} ${t.toLocaleTimeString()}`);

    console.log('正在获取沸点评论……');
    const comments = await getAllComments();
    console.log('沸点评论数：', comments.length);
    const commentUsers = comments.map(comment => comment.user_info.user_name);

    console.log('正在获取关注者……');
    const followers = await getAllFollowers();
    console.log('关注者数：', followers.length);
    const followerUsers = followers.map(follow => follow.user_name);

    const validUsers = Array.from(new Set(commentUsers)).filter(user => followerUsers.includes(user));
    console.log('有效参与抽奖用户数：', validUsers.length);

    const luckyUsers = validUsers.shuffle().slice(0, COUNT);
    console.log(`
----- 中奖用户 A 组 ------
${luckyUsers.slice(0, 10).join('\n')}
----- 中奖用户 B 组 ------
${luckyUsers.slice(10, 15).join('\n')}
----- 中奖用户 C 组 ------
${luckyUsers.slice(15, 25).join('\n')}
`);
})();

这个代码写得也太好看了吧，什么神仙代码，心情都好了