Tab Renamer

Allows you to rename tabs

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Tab Renamer
// @namespace    https://mkps.app
// @version      1.0.2
// @description  Allows you to rename tabs
// @tag          utilities
// @author       MK
// @license      MIT
// @match        *://*/*
// @icon         data:image/png;base64,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
// @grant        GM_registerMenuCommand
// ==/UserScript==

(() => {
	"use strict";

	let trueName = null;
	let userSetName = null;
	let skipEventCount = 0;

	function main() {
		GM_registerMenuCommand("Rename tab", renameTab);

		new MutationObserver(() => {
			if (skipEventCount > 0) {
				skipEventCount--;
			} else {
				pageChangedTitle();
			}
		}).observe(
			document.querySelector("title"),
			{subtree: true, characterData: true, childList: true}
		);
	}

	function renameTab() {
		let newName = prompt("Rename this tab", userSetName ?? "");
		resetTabName();
		if (newName) {
			trueName = document.title;
			userSetName = newName;
			changePageTitle(newName);
		}
	}

	function resetTabName() {
		if (trueName) {
			changePageTitle(trueName);
			trueName = null;
			userSetName = null;
		}
	}

	function pageChangedTitle() {
		if (trueName != null) {
			trueName = document.title;
			changePageTitle(userSetName);
		}
	}

	function changePageTitle(title) {
		skipEventCount++;
		document.title = title;
	}

	main();
})();