Watch9 Reconstruct

Restores the classic Watch page layout from before 2019
当前为 2022-07-22 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Watch9 Reconstruct
// @version      1.1.3
// @description  Restores the classic Watch page layout from before 2019
// @author       Aubrey
// @match        https://www.youtube.com/*
// @license      MIT
// @icon         https://www.google.com/s2/favicons?domain=youtube.com
// @grant        none
// @run-at       document-start
// @namespace    aubymori
// ==/UserScript==
async function waitForElm(q) {
    while (document.querySelector(q) == null) {
        await new Promise(r => requestAnimationFrame(r));
    };
    return document.querySelector(q);
};

const w9rStyle = document.createElement("style");
w9rStyle.innerHTML = `
    #w9r-sub-count {
        opacity: .8;
        margin-left: 6px;
    }

    #info-strings.ytd-video-primary-info-renderer,
    #owner-sub-count {
        display: none !important;
    }

    ytd-button-renderer.style-primary #w9r-sub-count {
        display: none;
    }
`;
document.getElementsByTagName("head")[0].appendChild(w9rStyle);

document.addEventListener("yt-page-data-updated", async function() {
    var pubDate = await waitForElm("ytd-video-primary-info-renderer");
    const pubDatePnt = pubDate.data.dateText.simpleText;
    function fixPubDate(date) {
        if (/(Premier)|(Stream)|(Start)/.test(date)) {
            return date;
        } else {
            return "Published on " + date;
        }
    }
    var subCnt = await waitForElm("ytd-video-secondary-info-renderer");
    const subCntPnt = subCnt.data.owner.videoOwnerRenderer.subscriberCountText.simpleText;
    function fixSubCnt(cnt) {
        return cnt.replace(/( subscribers)|( subscriber)/, "").replace("No", "0");
    }
    var subBtn = await waitForElm("#subscribe-button tp-yt-paper-button");
    var pubDateElm = await waitForElm(".date.ytd-video-secondary-info-renderer");
    var viewCount = await waitForElm("ytd-video-view-count-renderer");
    if (document.querySelector("#w9r-sub-count") == null) {
        var w9rSubCount = document.createElement("yt-formatted-string");
        w9rSubCount.text = {runs:[{text: subCntPnt.replace(/( subscribers)|( subscriber)/, "").replace("No", "0")}]};
        w9rSubCount.id = "w9r-sub-count";
        subBtn.querySelector("yt-formatted-string").insertAdjacentElement("afterEnd", w9rSubCount)
    } else {
        document.querySelector("#w9r-sub-count").text = {simpleText:fixSubCnt(subCntPnt)};//{runs:[{text: fixSubCnt(subCntPnt)}]};
    };

    viewCount.removeAttribute("small");
    pubDateElm.innerHTML = fixPubDate(pubDatePnt);
});