TC4Shell.com - Add Download Buttons for 7-Zip Plugins page

Add download buttons to TC4Shell.com's 7-Zip plugins listing page, so one may download from the listing page directly, without opening plugin's 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           TC4Shell.com - Add Download Buttons for 7-Zip Plugins page
// @name:ru        TC4Shell.com - Добавьте кнопки загрузки для cтраница плагинов архиватора 7-Zip
// @description    Add download buttons to TC4Shell.com's 7-Zip plugins listing page, so one may download from the listing page directly, without opening plugin's page.
// @description:ru Добавьте кнопки загрузки на страницу списка плагинов 7-Zip TC4Shell.com, чтобы можно было загружать напрямую со страницы списка, не открывая страницу плагина.
// @namespace      RainSlide
// @author         RainSlide
// @match          *://www.tc4shell.com/en/7zip/
// @match          *://www.tc4shell.com/ru/7zip/
// @version        1.2
// @license        blessing
// @grant          none
// ==/UserScript==

const links = document.querySelectorAll('#content a');

if (links.length > 0) {

// const pageURL = location.origin + location.pathname;
const pageURL = new URL("./", location).href;

const match = (x, arr) => arr.some( y => y === x );

const plugins = Array.from(links).filter(
	plugin => (
		plugin.href.replace(/[^/]+\/$/, "") === pageURL &&
		match(plugin.parentNode.tagName, ["H2", "P"])
	)
);

if (plugins.length > 0) {

document.head.appendChild(document.createElement("style")).textContent =
`#content h1 ~ div > h2 { display: flex; justify-content: space-between; }
.button_download_small { height: 2em; line-height: 1; padding: .5em;
	font-family: inherit; font-size: .75em; background-color: #e84c3d; }
.button_download_small:hover { background-color: #ff605f; }`;

plugins.forEach(
	plugin => {

		const pluginName = plugin.textContent.split(" ", 1)[0];

		const fileName = match(pluginName, ["Asar7z", "Lzip7z"])
			? pluginName.replace(/7z$/, "")
			: pluginName;

		const i18nMap = new Map([["en", "Download"], ["ru", "Скачать"]]);

		const download = Object.assign(
			document.createElement("a"), {
				href: "/binary/" + fileName + ".zip",
				download: "",
				textContent: i18nMap.get(location.pathname.slice(1, 3)) || "Download"
			}
		);

		switch (plugin.parentNode.tagName) {
			case "H2":
				download.className = "button button_download_small";
				plugin.after(download);
				break;
			case "P":
				plugin.after(" (", download, ")");
				break;
		}

	}
);

}

}