YouTube - Custom Default Settings

hide short, annotation, liveChat, etc.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         YouTube - Custom Default Settings
// @name:en      YouTube - Custom Default Settings
// @name:ja      YouTube - 初期設定の変更
// @namespace    https://greasyfork.org/ja/users/941284-ぐらんぴ
// @version      2025-11-21
// @description  hide short, annotation, liveChat, etc.
// @description:en hide short, annotation, liveChat, etc.
// @description:ja 画質 次の動画への秒数 文字起こしの有無 ライブチャットの有無などの変更
// @author       ぐらんぴ
// @match        https://www.youtube.com/*
// @icon         https://www.youtube.com/favicon.ico
// @run-at       document-start
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

let S = {
    Quality: 720, // 144, 240, 360, 480, 720, 1080, 1440, 2160
    isDeleteShorts: true, // true | false
    isDeleteAnnotation: true, // true | false
    AutoplayCountDown: 3, // Number
    isLiveChatCollapsed: "LIVE_CHAT_DISPLAY_STATE_COLLAPSED", // "LIVE_CHAT_DISPLAY_STATE_COLLAPSED" | "LIVE_CHAT_DISPLAY_STATE_EXPANDED"
    DESCRIPTION_PANEL: "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN", //"ENGAGEMENT_PANEL_VISIBILITY_VISIBLE" | "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN"
    CHAPTER_PANEL: "ENGAGEMENT_PANEL_VISIBILITY_VISIBLE", //"ENGAGEMENT_PANEL_VISIBILITY_VISIBLE" | "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN"
    COMMENTS_PANEL: "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN", //"ENGAGEMENT_PANEL_VISIBILITY_VISIBLE" | "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN"
    SHOPPING_PANEL: "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN", //"ENGAGEMENT_PANEL_VISIBILITY_VISIBLE" | "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN"
    TRANSCRIPT_PANEL: "ENGAGEMENT_PANEL_VISIBILITY_VISIBLE", //"ENGAGEMENT_PANEL_VISIBILITY_VISIBLE" | "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN"
    CLIP_PANEL: "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN", //"ENGAGEMENT_PANEL_VISIBILITY_VISIBLE" | "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN"
    // ADS_PANEL: "ENGAGEMENT_PANEL_VISIBILITY_VISIBLE", //"ENGAGEMENT_PANEL_VISIBILITY_VISIBLE" | "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN"
};

if(S.isDeleteAnnotation){
    GM_addStyle(`
    .annotation { display: none; }`)
}

const allowed = new Set([144, 240, 360, 480, 720, 1080, 1440, 2160]);
if(allowed.has(S.Quality)){
    for(let i = 0; i < localStorage.length; i++){
        let key = localStorage.key(i);
        if(key === "yt-player-quality"){
            let data = localStorage.getItem(key);
            let obj = JSON.parse(data);
            let innerData = JSON.parse(obj.data);

            innerData.quality = S.Quality;
            obj.data = JSON.stringify(innerData);

            let newData = JSON.stringify(obj);
            localStorage.setItem(key, newData);
        }
    }
}

addEventListener("yt-navigate-finish", e => {
    let pageType = e.detail.pageType
    let res = e.detail.response.response
    console.log(res,res.engagementPanels)
    try{
        if(pageType == "search"){
            res.contents.twoColumnSearchResultsRenderer.primaryContents.sectionListRenderer.contents[0].itemSectionRenderer.contents.forEach(i =>{
                if(i.gridShelfViewModel) i.gridShelfViewModel = ""
                if(S.isDeleteShorts){
                    GM_addStyle(`
                    ytd-video-renderer:has([overlay-style="SHORTS"]) { display: none !important; }
                    grid-shelf-view-model { display: none !important; }
                    `);
                }
            })

        }
        if(pageType == "browse"){
            if(location.pathname == "/feed/you"){
                GM_addStyle(`
                    ytd-rich-section-renderer { display: block !important; }
                    ytd-rich-item-renderer:has([overlay-style="SHORTS"]) { display: block !important; }
                `);
                return;
            }
            res.contents.twoColumnBrowseResultsRenderer.tabs[0].tabRenderer.content.richGridRenderer.contents.forEach(i =>{
                if(i.richSectionRenderer) i.richSectionRenderer = ""
            });
            if(S.isDeleteShorts){
                GM_addStyle(`
                    ytd-rich-section-renderer { display: none !important; }
                    ytd-rich-item-renderer:has([overlay-style="SHORTS"]) { display: none !important; }
                `);
            }
        }
        if(pageType == "watch"){
            if(S.isDeleteShorts){
                GM_addStyle(`
                ytd-reel-shelf-renderer { display: none !important; }
                #spinner { display: none; }
                `)

                res.contents.twoColumnWatchNextResults.secondaryResults.secondaryResults.results[1].itemSectionRenderer.contents.forEach(i =>{
                    i.reelShelfRenderer = ""
                })
            }
            // quality
            if(allowed.has(S.Quality)){
                for(let i = 0; i < localStorage.length; i++){
                    let key = localStorage.key(i);
                    if(key === "yt-player-quality"){
                        let data = localStorage.getItem(key);

                        let obj = JSON.parse(data);
                        let innerData = JSON.parse(obj.data);

                        innerData.quality = S.Quality;
                        obj.data = JSON.stringify(innerData);

                        let newData = JSON.stringify(obj);
                        localStorage.setItem(key, newData);
                    }
                }
            }

            // contens
            res.contents.twoColumnWatchNextResults.autoplay.autoplay.countDownSecs = S.AutoplayCountDown
            if(res.contents.twoColumnWatchNextResults.conversationBar?.liveChatRenderer) res.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer.initialDisplayState = S.isLiveChatCollapsed
            // engagementPanels
            res.engagementPanels.forEach(i =>{
                if(i.engagementPanelSectionListRenderer.targetId == "engagement-panel-comments-section") i.engagementPanelSectionListRenderer.visibility = S.COMMENTS_PANEL
                //if(i.engagementPanelSectionListRenderer.targetId == "engagement-panel-ads") i.engagementPanelSectionListRenderer.visibility = S.ADS_PANEL
                if(i.engagementPanelSectionListRenderer.targetId == "shopping_panel_for_entry_point_5") i.engagementPanelSectionListRenderer.visibility = S.SHOPPING_PANEL
                if(i.engagementPanelSectionListRenderer.targetId == "engagement-panel-clip-create") i.engagementPanelSectionListRenderer.visibility = S.CLIP_PANEL
                if(i.engagementPanelSectionListRenderer.targetId == "engagement-panel-structured-description") i.engagementPanelSectionListRenderer.visibility = S.DESCRIPTION_PANEL
                if(i.engagementPanelSectionListRenderer.targetId == "engagement-panel-searchable-transcript") i.engagementPanelSectionListRenderer.visibility = S.TRANSCRIPT_PANEL
                if(i.engagementPanelSectionListRenderer.targetId == "engagement-panel-macro-markers-description-chapters") i.engagementPanelSectionListRenderer.visibility = S.CHAPTER_PANEL
            });

            // playerOverlays
            if(res.playerOverlays.playerOverlayRenderer.autoplay?.playerOverlayAutoplayRenderer){
                res.playerOverlays.playerOverlayRenderer.autoplay.playerOverlayAutoplayRenderer.countDownSecs = S.AutoplayCountDown
                res.playerOverlays.playerOverlayRenderer.autoplay.playerOverlayAutoplayRenderer.countDownSecsForFullscreen = S.AutoplayCountDown
            }
        }
    }catch(err){ //console.log(err)
               }
})