Add Download Button to TC4Shell.com 7-Zip Plugins Page

So you no longer needs to click into every updated plugin for the download links.

当前为 2021-04-10 提交的版本，查看最新版本。

换行

// ==UserScript==
// @name        Add Download Button to TC4Shell.com 7-Zip Plugins Page
// @description So you no longer needs to click into every updated plugin for the download links.
// @namespace   RainSlide
// @author      RainSlide
// @match       *://www.tc4shell.com/en/7zip/
// @match       *://www.tc4shell.com/ru/7zip/
// @version     1.1
// @grant       none
// ==/UserScript==

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

if (plugins.length > 0) {

document.head.appendChild(
	Object.assign(
		document.createElement("style"), {
			textContent: `
#content h1 ~ div > h2 {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	align-items: center;
}

.button_download_small {
	padding: .5em;
	height: 2em;
	line-height: 1;
	font-family: inherit;
	font-size: smaller;
	background-color: #e84c3d;
}
.button_download_small:hover {
	background-color: #ff605f;
}
`.trim()
		}
	)
);

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

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

plugins.forEach(
	plugin => {

		const parent = plugin.parentNode;

		if (
			plugin.href.replace(/[^/]+\/$/, "") === pageURL &&
			match(parent.tagName, ["H2", "P"])
		) {

			let filename = plugin.textContent.split(" ", 1)[0];

			const href = "/binary/" + (
				match(parent.tagName, ["Asar7z", "Lzip7z"])
					? filename.replace(/7z$/, "")
					: filename
			) + ".zip";

			const download = Object.assign(
				document.createElement("a"), {
					href, download: "", textContent: "Download"
				}
			);

			if (parent.tagName === "H2") {
				download.className = "button button_download_small";
				plugin.after(download);
			} else if (parent.tagName === "P") {
				plugin.after(" (", download, ")");
			}

		}

	}
);

}