improve Twitter Video Player

Change the difficult-to-use Twitter player to a native player.

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 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         improve Twitter Video Player
// @name:ja      improve Twitter Video Player
// @namespace    https://yakisova.com
// @version      0.2.1
// @description  Change the difficult-to-use Twitter player to a native player.
// @description:ja 使いにくいTwitterの動画プレイヤーをネイティブプレイヤーに置き換えます。
// @author       yakisova41
// @match        https://twitter.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=twitter.com
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const bodyElem = document.querySelector("body");

    if(bodyElem !== null) {
        const observer = new MutationObserver(() => {
           const videoComponent = bodyElem.querySelector('div[data-testid="videoComponent"]:not(.improved-video)');
           if(videoComponent !== null) {
                videoComponent.classList.add("improved-video");
                setTimeout(() => {
                    replacePlayer(videoComponent);
                }, 100);
           }
        });

        observer.observe(bodyElem, {
            subtree: true,
            childList: true
        });
    }

    function replacePlayer(componentElement) {
        const originalVid = componentElement.querySelector("div:nth-child(1) > div > video");
        if(originalVid !== null) {

            originalVid.controls = true;
            originalVid.removeAttribute("disablepictureinpicture");

            const handleClick = (e) => {
                e.preventDefault();
                originalVid.play();
                setTimeout(() => {
                    originalVid.muted = false;
                });

                const handleMute = (e) => {
                    if(e.target.muted) {
                        e.target.muted = false;
                    }
                    e.srcElement.removeEventListener("volumechange", handleMute);
                };

                e.srcElement.addEventListener("volumechange", handleMute);

                originalVid.removeEventListener("click", handleClick)
            }
            originalVid.addEventListener("click", handleClick);

            componentElement.parentElement.appendChild(originalVid);
            componentElement.remove();
        }
    }
})();