github-creation-date

Shows the creation date of GitHub repositories on the repository page metadata sidebar.

当前为 2026-04-13 提交的版本,查看 最新版本

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// ==UserScript==
// @name         github-creation-date
// @namespace    https://github.com/farhandigital/github-creation-date
// @version      1.0.0
// @author       Farhan Digital
// @description  Shows the creation date of GitHub repositories on the repository page metadata sidebar.
// @license      Zlib
// @icon         https://cdn.simpleicons.org/github
// @match        https://github.com/*
// @connect      ungh.cc
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(function() {
var _GM_getValue = typeof GM_getValue != "undefined" ? GM_getValue : void 0;
	var _GM_setValue = typeof GM_setValue != "undefined" ? GM_setValue : void 0;
	var _GM_xmlhttpRequest = typeof GM_xmlhttpRequest != "undefined" ? GM_xmlhttpRequest : void 0;
	var CACHE_PREFIX = "creationDate:";
	function getCached(key) {
		return _GM_getValue(CACHE_PREFIX + key, null) ?? null;
	}
	function setCached(key, value) {
		_GM_setValue(CACHE_PREFIX + key, value);
	}
	var logPrefix = "[github-creation-date]";
	function log(...args) {
		console.log(logPrefix, ...args);
	}
	function isUnghRepoResponse(data) {
		return data !== null && typeof data === "object" && "repo" in data && typeof data.repo === "object" && typeof data.repo.createdAt === "string";
	}
	var INITIAL_BACKOFF_MS = 1e3;
	var failedKeys = new Map();
	function recordFailure(cacheKey) {
		const prev = failedKeys.get(cacheKey);
		const delay = prev ? prev.delay * 2 : INITIAL_BACKOFF_MS;
		failedKeys.set(cacheKey, {
			failedAt: Date.now(),
			delay
		});
		log(`Backoff for ${cacheKey}: next retry in ${delay / 1e3}s`);
	}
	async function getCreationDate(username, repo) {
		const cacheKey = `${username}/${repo}`;
		const cached = getCached(cacheKey);
		if (cached) {
			log(`cache found: ${cacheKey}: ${cached}`);
			return cached;
		}
		const failure = failedKeys.get(cacheKey);
		if (failure !== void 0 && Date.now() - failure.failedAt < failure.delay) {
			log(`Skipping previously failed key (backoff active): ${cacheKey}`);
			return "Unknown";
		}
		const apiUrl = `https://ungh.cc/repos/${username}/${repo}`;
		log("fetching API...", apiUrl);
		return new Promise((resolve) => {
			_GM_xmlhttpRequest({
				method: "GET",
				url: apiUrl,
				onload: (response) => {
					if (response.status !== 200) {
						console.error("GitHub API error:", response.statusText);
						recordFailure(cacheKey);
						resolve("Unknown");
						return;
					}
					try {
						const data = JSON.parse(response.responseText);
						if (isUnghRepoResponse(data)) {
							setCached(cacheKey, data.repo.createdAt);
							resolve(data.repo.createdAt);
						} else {
							console.error("Invalid response data:", data);
							recordFailure(cacheKey);
							resolve("Unknown");
						}
					} catch (error) {
						console.error("Error parsing response:", error);
						recordFailure(cacheKey);
						resolve("Unknown");
					}
				},
				onerror: (error) => {
					console.error("Network error:", error);
					recordFailure(cacheKey);
					resolve("Unknown");
				}
			});
		});
	}
	var formatter = new Intl.DateTimeFormat("en-US", {
		year: "numeric",
		month: "short",
		day: "numeric"
	});
	function formatDate(date) {
		return formatter.format(date);
	}
	var NS = `ghcd_${Math.random().toString(36).slice(2)}`;
	function getTargetElement() {
		const aboutHeadings = document.querySelectorAll(".BorderGrid-cell h2");
		let parentContainer = null;
		for (const heading of aboutHeadings) if (heading.textContent?.trim().toLowerCase() === "about") {
			parentContainer = heading.parentElement;
			break;
		}
		if (!parentContainer) return;
		const readmeElement = parentContainer.querySelector("a[href='#readme-ov-file']");
		if (readmeElement) return readmeElement.parentElement;
		const activityElement = parentContainer.querySelector("a[href*='/activity']");
		if (activityElement) return activityElement.parentElement;
	}
	function createCreationDateElement(creationDate) {
		const container = document.createElement("div");
		container.classList.add("mt-2");
		container.id = NS;
		const creationDateElement = document.createElement("a");
		creationDateElement.classList.add("Link--muted");
		creationDateElement.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 tmp-mr-2"><path d="M8 2v4"/><path d="M16 2v4"/><rect width="18" height="18" x="3" y="4" rx="2"/><path d="M3 10h18"/></svg> ${formatDate(new Date(creationDate))}`;
		container.appendChild(creationDateElement);
		return container;
	}
	function isAlreadyInjected() {
		return document.getElementById(NS) !== null;
	}
	function injectCreationDate(creationDate) {
		const targetElement = getTargetElement();
		if (targetElement) {
			const creationDateElement = createCreationDateElement(creationDate);
			targetElement.insertAdjacentElement("afterend", creationDateElement);
			return;
		}
		log("Target element not found", targetElement);
	}
	function isGithubRepoPathname(pathname) {
		const notUsername = new Set([
			"settings",
			"topics",
			"organizations"
		]);
		const pathParts = pathname.split("/");
		const pathLength = pathParts.length;
		const username = pathParts[1];
		return !notUsername.has(username) && pathLength === 3;
	}
	function extractUsernameAndRepo(pathname) {
		if (!isGithubRepoPathname(pathname)) return null;
		const parts = pathname.split("/");
		return {
			username: parts[1],
			repo: parts[2]
		};
	}
	var isRunning = false;
	async function main() {
		if (isRunning) {
			log("Already running. Skipping.");
			return;
		}
		log("Starting orchestrator...");
		isRunning = true;
		try {
			if (window.location.hostname !== "github.com") return;
			const pathname = window.location.pathname;
			if (!isGithubRepoPathname(pathname)) {
				log("Not a github repo pathname, skipping...", pathname);
				return;
			}
			if (isAlreadyInjected()) {
				log("Creation date element already exists. Skipping injection.");
				return;
			}
			const repoInfo = extractUsernameAndRepo(pathname);
			if (!repoInfo) {
				log("Failed to extract username and repo, skipping...", pathname);
				return;
			}
			const { username, repo } = repoInfo;
			const creationDate = await getCreationDate(username, repo);
			injectCreationDate(creationDate);
			log(`Repository ${username}/${repo} was created on: ${creationDate}`);
		} finally {
			isRunning = false;
		}
	}
	setInterval(main, 300);
})();