docs.gradle.org: permalink to actual version

Adds a permanent link for Gradle documentation pages (including /current/) to the exact version to help create better links to docs.gradle.org

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         docs.gradle.org: permalink to actual version
// @description  Adds a permanent link for Gradle documentation pages (including /current/) to the exact version to help create better links to docs.gradle.org
// @version      4
// @match        https://docs.gradle.org/*
// @namespace    https://github.com/rybak
// @license      MIT
// @author       Andrei Rybak
// @icon         https://www.google.com/s2/favicons?sz=64&domain=gradle.org
// @grant        none
// @require      https://cdn.jsdelivr.net/gh/rybak/userscript-libs@e86c722f2c9cc2a96298c8511028f15c45180185/waitForElement.js
// ==/UserScript==

/*
 * Copyright (c) 2023-2025 Andrei Rybak
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/* globals siteDecorateVersion waitForElement */

(function() {
	'use strict';

	const LOG_PREFIX = '[docs.gradle.org permalink]:';

	function info(...toLog) {
		console.info(LOG_PREFIX, ...toLog);
	}

	function warn(...toLog) {
		console.warn(LOG_PREFIX, ...toLog);
	}

	function getPermaUrl(version) {
		const currentUrl = document.location.href;
		if (currentUrl.includes('/current/')) {
			return currentUrl.replace('docs.gradle.org/current/', 'docs.gradle.org/' + version + '/');
		} else {
			return currentUrl;
		}
	}

	function createPermalink(version) {
		const permaUrl = getPermaUrl(version);
		info('Permalink:', permaUrl);
		const a = document.createElement('a');
		a.href = permaUrl;
		a.append(document.createTextNode("[permalink " + version + "]"));
		a.style.marginTop = '1.2em';
		a.style.marginLeft = '1em';
		a.style.display = 'block';
		a.style.alignSelf = 'center';
		a.style.height = '36px';
		return a;
	}

	function addPermalink() {
		const versionElement = document.querySelector("#command_line_interface > div.layout > header > nav > div.site-header__navigation-header > div.site-header-version > ul > li > span > span");

		// siteDecorateVersion is a variable in Gradle's own JS
		if (versionElement || typeof siteDecorateVersion !== 'undefined') {
			if (typeof siteDecorateVersion !== 'undefined') {
				info('siteDecorateVersion', siteDecorateVersion);
			} else {
				warn('siteDecorateVersion is not defined');
			}

			const version = typeof siteDecorateVersion !== 'undefined' ? siteDecorateVersion : versionElement.innerHTML;
			const a = createPermalink(version);

			/*
			 * element that contains either the version selector dropdown (in tutorial docs) or
			 * the version display `.site-header-version` (javadocs)
			 */
			waitForElement('nav .site-header__navigation-header, nav#navigation-wrapper').then(container => {
				if (container.id === 'navigation-wrapper') {
					info('Detected new HTML layout of Kotlin DSL reference docs');
					a.style.color = 'var(--ring-action-link-color)';
					container.insertBefore(a, container.querySelector('.navigation-controls'));
				} else {
					// older HTML layout
					info('Detected older HTML layout');
					container.append(a);
				}
				info('Navigation header has loaded. Added permalink.');
			});
		} else {
			info('Did not find version element and siteDecorateVersion is not defined. Trying again...');
			setTimeout(createPermalink, 500);
		}
	}

	addPermalink();
})();