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Twitter - Auto Refresh List Page

Twitter - Auto Refresh List Page.

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         Twitter - Auto Refresh List Page
// @description  Twitter - Auto Refresh List Page.
// @version      0.1
// @author       to
// @namespace    https://github.com/to
// @license      MIT
//
// @match        https://twitter.com/i/lists/*
// @match        https://twitter.com/search*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=twitter.com
//
// @grant        unsafeWindow
// ==/UserScript==

const TOP_RANGE = 300;
const REFRESH_INTERVAL = 10 * 1000;

var onFrame;
var scrollEvent;

addBefore(unsafeWindow, 'requestAnimationFrame', (callback) => {
	onFrame = callback;
});

window.addEventListener("scroll", (event) => {
	scrollEvent = event;
}, false);

document.addEventListener("visibilitychange", (event) => {
	if(!document.hidden)
        refresh();
}, false);

setInterval(refresh, REFRESH_INTERVAL);

function refresh(){
    // ページの途中まで スクロールされている場合 返る
	if(window.scrollY > TOP_RANGE)
        return;

    // 下方向に疑似的にスクロールする
    // 実際に発生したイベントをコピーしたものを再利用する
    // 疑似的な再描画も発生させる
	window.scrollTo(window.scrollX, 1000);
	document.dispatchEvent(scrollEvent || new Event('scroll'));
	onFrame();

	window.scrollTo(window.scrollX, 0);
}

function addBefore(target, name, before) {
	var original = target[name];
	target[name] = function() {
		before.apply(target, arguments);
		return original.apply(target, arguments);
	}
}