Persistent Invidious Settings

Makes Invidious settings persist across instances and in private browsing.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Persistent Invidious Settings
// @namespace    http://tampermonkey.net/
// @version      1.20
// @description  Makes Invidious settings persist across instances and in private browsing.
// @author       Veeno
// @license      GPLv3
// @connect      api.invidious.io
// @match        https://*/*
// @icon         https://invidious.io/invidious-colored-vector.svg
// @run-at       document-start
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_xmlhttpRequest
// ==/UserScript==

/* jshint esversion: 11 */

(() => {
    'use strict';

    if(window.self !== window.top) return;

    function execute(domainUpToDate){
        const domain = location.hostname;

        if(!Object.hasOwn(domainUpToDate, domain)) return;

        function validateCurrentDomain(){
            domainUpToDate[domain] = true;
            GM_setValue("Invidious_DomainUpToDate", domainUpToDate);
        }

        function invalidateOtherDomains(){
            Object.keys(domainUpToDate).forEach(key => { domainUpToDate[key] = false; });
            validateCurrentDomain();
        }

        const storedSettings = GM_getValue(
            "Invidious_Settings",
            encodeURIComponent(JSON.stringify({
                annotations:                 false,
                annotations_subscribed:      false,
                autoplay:                    true,
                automatic_instance_redirect: false,
                captions:                    ["", "", ""],
                comments:                    ["youtube", ""],
                continue:                    false,
                continue_autoplay:           true,
                dark_mode:                   "",
                latest_only:                 false,
                listen:                      false,
                local:                       false,
                watch_history:               false,
                vr_mode:                     true,
                show_nick:                   false,
                locale:                      "en-US",
                region:                      "US",
                max_results:                 40,
                notifications_only:          false,
                player_style:                "invidious",
                quality:                     "hd720",
                quality_dash:                "auto",
                default_home:                "Popular",
                feed_menu:                   ["Popular", "Trending"],
                related_videos:              true,
                sort:                        "published",
                speed:                       1,
                thin_mode:                   false,
                unseen_only:                 false,
                video_loop:                  false,
                extend_desc:                 false,
                volume:                      100,
                save_player_pos:             false
            }))
        );

        const cookieSettings = document.cookie
                                       .split("; ")
                                       .find(entry => entry.startsWith("PREFS="))
                                       ?.slice(6);

        if(cookieSettings && domainUpToDate[domain]){
            if(cookieSettings !== storedSettings){
                GM_setValue("Invidious_Settings", cookieSettings);
                invalidateOtherDomains();
            }
        } else{
            const date = new Date();
            date.setFullYear(date.getFullYear() + 2);
            document.cookie = "PREFS=" + storedSettings + "; domain=" + domain + "; path=/; expires=" + date.toGMTString() + "; Secure; SameSite=Lax";
            validateCurrentDomain();
            location.reload();
        }
    }

    const now = (new Date()).getTime();

    if(now - GM_getValue("Invidious_InstancesUpdatedAt", 0) > 172800000){
        GM_xmlhttpRequest({
            method: "GET",
            url: "https://api.invidious.io/instances.json",
            responseType: "json",
            onload: function(response){
                execute((() => {
                    const storedDomainUpToDate = GM_getValue("Invidious_DomainUpToDate", {});
                    try{
                        const domainUpToDate = Object.fromEntries(
                            response.response
                                    .filter(instance => instance[1].type === "https")
                                    .map(instance => [instance[0], storedDomainUpToDate[instance[0]] || false])
                        );
                        GM_setValue("Invidious_DomainUpToDate", domainUpToDate);
                        GM_setValue("Invidious_InstancesUpdatedAt", now);
                        return domainUpToDate;
                    } catch(e){
                        console.error("Error parsing Invidious instances", e, response);
                        return storedDomainUpToDate;
                    }
                })());
            },
            onerror: function(response){
                console.error("Error loading Invidious instances", response);
            }
        });
    } else{
        execute(GM_getValue("Invidious_DomainUpToDate", {}));
    }
})();