discord batch delete

foo.js

// 断点代码特征：W.rU)(t.id
window.ddd = W.rU    // 断点后抽取函数

// 断点代码特征：me.WO)(O,
window.uuu = me.WO   // 断点后抽取函数

rm-mid.user.js

// ==UserScript==
// @name         批量删除midjourney图片
// @namespace    rm-mid
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://discord.com/channels/*
// @grant        unsafeWindow
// ==/UserScript==

(function() {
    'use strict';
    let cont = document.createElement('div')
    cont.style.cssText = `position: absolute; right: 256px; bottom: 73px;`
    cont.innerHTML = `<button class="start-rm">开始删除</button>  <button class="stop-rm" style="display: none">停止删除</button>`
    let tid = 0;
    let aniD = {
        "id": null,
        "name": "❌",
        "animated": false
    }
    let aniU = {
        "id": null,
        "name": "❌"
    }
    let st = 0;
    let start = cont.querySelector('.start-rm')
    start.addEventListener('click', async () => {
        tid = location.pathname.replace(/^(\/\w+){2}\//,'')
        if (unsafeWindow.ddd == null) {
            alert('请先断点并抽出删除消息函数')
            return
        }
        start.style.display = 'none';
        stop.style.display = '';
        try{
            await startRm()
        }finally{
            start.style.display = '';
            stop.style.display = 'none';    
        }
    })
    let stop = cont.querySelector('.stop-rm')
    stop.addEventListener('click', () => {
        st = 1;
    })
    document.body.append(cont)

    async function startRm(){
        let ol = document.querySelector('ol[data-list-id=chat-messages]')
        let prev = ol.lastElementChild.previousElementSibling
        let e;
        let n=1;
        while(true){
            e = prev;
            if (e == null) {
                alert('已删除完')
            }
            prev = e.previousElementSibling
            let eid = e.id.replace(/^(\w+-){3}/, '')
            if (!eid.match(/^\d+$/)) {
                continue
            }
            if (!(e.querySelector('span.mention')?.innerHTML == '@Flynn0521的服务器')) {
                continue
            }
            let retry = 1
            while (true) {
                if (st) break;
                if (e.querySelector('img[alt=❌]') != null) {
                    unsafeWindow.uuu && unsafeWindow.uuu(tid, eid, aniU, void 0, 'Message')
                    await sleep(1000)
                }
                unsafeWindow.ddd(tid, eid, aniD)
                await sleep(4000)
                if (e.isConnected) {
                    if (retry < 3) {
                        console.log(`删除第${n}个未成功，重新尝试...`)
                        retry++;
                    } else {
                        console.log(`删除第${n++}个3次未成功，跳过`)
                        break;
                    }
                } else {
                    console.log(`已删除${n++}`)
                    break;
                }
            }
            if (st) {
                console.log('人工中止')
                window.st = 0
                break;
            }
        }
    }
    function sleep(s) {
        return new Promise(r => setTimeout(r, s))
    }
})();