GitHub Repo Age

Displays repository creation date/time/age.

目前為 2025-05-11 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         GitHub Repo Age
// @description  Displays repository creation date/time/age.
// @icon         https://github.githubassets.com/favicons/favicon-dark.svg
// @version      1.2
// @author       afkarxyz
// @namespace    https://github.com/afkarxyz/userscripts/
// @supportURL   https://github.com/afkarxyz/userscripts/issues
// @license      MIT
// @match        https://github.com/*/*
// @grant        GM_xmlhttpRequest
// @connect      api.codetabs.com
// @connect      api.github.com
// ==/UserScript==

(function () {
    'use strict';

    const API_BASE_PROXY = 'https://api.codetabs.com/v1/proxy/?quest=https://api.github.com/repos/';
    const API_BASE_DIRECT = 'https://api.github.com/repos/';
    const CACHE_KEY_PREFIX = 'github_repo_created_';

    const selectors = {
        desktop: [
            '.BorderGrid-cell .hide-sm.hide-md .f4.my-3',
            '.BorderGrid-cell'
        ],
        mobile: [
            '.d-block.d-md-none.mb-2.px-3.px-md-4.px-lg-5 .f4.mb-3.color-fg-muted',
            '.d-block.d-md-none.mb-2.px-3.px-md-4.px-lg-5 .d-flex.gap-2.mt-n3.mb-3.flex-wrap',
            '.d-block.d-md-none.mb-2.px-3.px-md-4.px-lg-5'
        ]
    };

    let currentRepoPath = '';

    function formatDate(isoDateStr) {
        const createdDate = new Date(isoDateStr);
        const now = new Date();
        const diffTime = Math.abs(now - createdDate);

        const diffDays = Math.floor(diffTime / (1000 * 60 * 60 * 24));
        const diffHours = Math.floor((diffTime % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
        const diffMinutes = Math.floor((diffTime % (1000 * 60 * 60)) / (1000 * 60));

        const diffMonths = Math.floor(diffDays / 30.44);
        const diffYears = Math.floor(diffMonths / 12);
        const remainingMonths = diffMonths % 12;
        const remainingDays = Math.floor(diffDays % 30.44);

        const datePart = createdDate.toLocaleDateString('en-GB', {
            day: '2-digit', month: 'short', year: 'numeric'
        });
        const timePart = createdDate.toLocaleTimeString('en-GB', {
            hour: '2-digit', minute: '2-digit', hour12: false
        });

        let ageText = '';
        if (diffYears > 0) {
            ageText = `${diffYears} year${diffYears !== 1 ? 's' : ''}`;
            if (remainingMonths > 0) ageText += ` ${remainingMonths} month${remainingMonths !== 1 ? 's' : ''}`;
        } else if (diffMonths > 0) {
            ageText = `${diffMonths} month${diffMonths !== 1 ? 's' : ''}`;
            if (remainingDays > 0) ageText += ` ${remainingDays} day${remainingDays !== 1 ? 's' : ''}`;
        } else if (diffDays > 0) {
            ageText = `${diffDays} day${diffDays !== 1 ? 's' : ''}`;
            if (diffHours > 0) ageText += ` ${diffHours} hour${diffHours !== 1 ? 's' : ''}`;
        } else if (diffHours > 0) {
            ageText = `${diffHours} hour${diffHours !== 1 ? 's' : ''}`;
            if (diffMinutes > 0) ageText += ` ${diffMinutes} minute${diffMinutes !== 1 ? 's' : ''}`;
        } else {
            ageText = `${diffMinutes} minute${diffMinutes !== 1 ? 's' : ''}`;
        }
        return `${datePart} - ${timePart} (${ageText} ago)`;
    }

    const cache = {
        getKey: (user, repo) => `${CACHE_KEY_PREFIX}${user}_${repo}`,
        get: function(user, repo) {
            try {
                const key = this.getKey(user, repo);
                const cachedData = localStorage.getItem(key);
                if (!cachedData) return null;
                const { value } = JSON.parse(cachedData);
                return value;
            } catch (err) { return null; }
        },
        set: function(user, repo, value) {
            try {
                const key = this.getKey(user, repo);
                const data = { value: value };
                localStorage.setItem(key, JSON.stringify(data));
            } catch (err) { /* silently fail */ }
        }
    };

    async function getRepoCreationDate(user, repo) {
        const cachedDate = cache.get(user, repo);
        if (cachedDate) {
            return cachedDate;
        }

        function makeApiRequest(apiUrl, apiName) {
            return new Promise((resolve) => {
                GM_xmlhttpRequest({
                    method: 'GET', url: apiUrl,
                    onload: function(response) {
                        if (response.status === 403) {
                            resolve({ success: false, status: 403, rateLimited: true, apiName: apiName }); return;
                        }
                        if (response.status >= 200 && response.status < 300) {
                            try {
                                const data = JSON.parse(response.responseText);
                                const createdAt = data.created_at;
                                if (createdAt) {
                                    resolve({ success: true, data: createdAt, status: response.status, apiName: apiName });
                                } else {
                                    resolve({ success: false, status: response.status, error: 'missing_data', apiName: apiName });
                                }
                            } catch (e) {
                                resolve({ success: false, status: response.status, error: 'parse_error', apiName: apiName });
                            }
                        } else {
                            resolve({ success: false, status: response.status, error: 'http_error', apiName: apiName });
                        }
                    },
                    onerror: () => resolve({ success: false, status: 0, error: 'network_error', apiName: apiName }),
                    ontimeout: () => resolve({ success: false, status: 0, error: 'timeout_error', apiName: apiName })
                });
            });
        }

        let result = await makeApiRequest(`${API_BASE_DIRECT}${user}/${repo}`, 'Direct GitHub API');

        if (result.success) {
            cache.set(user, repo, result.data);
            return result.data;
        }

        if (result.status === 403 && result.rateLimited) {
            result = await makeApiRequest(`${API_BASE_PROXY}${user}/${repo}`, 'Proxy API');

            if (result.success) {
                cache.set(user, repo, result.data);
                return result.data;
            } else {
                return null;
            }
        }
        return null;
    }

    async function insertCreatedDate() {
        const match = window.location.pathname.match(/^\/([^\/]+)\/([^\/]+)/);
        if (!match || match[0].includes('/assets/') || match[0].includes('/blob/') || match[0].includes('/tree/')) {
            if (match) currentRepoPath = '';
            return false;
        }

        const [_, user, repo] = match;
        const repoPath = `${user}/${repo}`;
        currentRepoPath = repoPath;

        const createdAt = await getRepoCreationDate(user, repo);
        if (!createdAt) return false;

        const formattedDate = formatDate(createdAt);
        let insertedCount = 0;

        document.querySelectorAll('.repo-created-date').forEach(el => el.remove());

        for (const [view, selectorsList] of Object.entries(selectors)) {
            for (const selector of selectorsList) {
                const element = document.querySelector(selector);
                if (element && !element.querySelector(`.repo-created-${view}`)) {
                    insertDateElement(element, formattedDate, view);
                    insertedCount++;
                    break;
                }
            }
        }
        return insertedCount > 0;
    }

    function insertDateElement(targetElement, formattedDate, view) {
        const p = document.createElement('p');
        p.className = `f6 color-fg-muted repo-created-date repo-created-${view}`;
        p.style.marginTop = '4px'; p.style.marginBottom = '8px';
        p.innerHTML = `<strong>Created</strong> ${formattedDate}`;

        if (view === 'mobile') {
            const flexWrap = targetElement.querySelector('.flex-wrap');
            if (flexWrap && flexWrap.parentNode) {
                 flexWrap.parentNode.insertBefore(p, flexWrap.nextSibling); return;
            }
            const dFlex = targetElement.querySelector('.d-flex.gap-2');
             if (dFlex && dFlex.parentNode) {
                dFlex.parentNode.insertBefore(p, dFlex.nextSibling); return;
            }
        }
        targetElement.insertBefore(p, targetElement.firstChild);
    }

    function checkAndInsertWithRetry(retryCount = 0, maxRetries = 3) {
        insertCreatedDate().then(inserted => {
            if (!inserted && retryCount < maxRetries) {
                const delay = Math.pow(2, retryCount) * 300;
                setTimeout(() => checkAndInsertWithRetry(retryCount + 1, maxRetries), delay);
            }
        });
    }

    function checkForRepoChange() {
        const match = window.location.pathname.match(/^\/([^\/]+)\/([^\/]+)/);
        let newRepoPath = '';
        if (match && !match[0].includes('/assets/') && !match[0].includes('/blob/') && !match[0].includes('/tree/')) {
            newRepoPath = `${match[1]}/${match[2]}`;
        }

        if (newRepoPath && newRepoPath !== currentRepoPath) {
            currentRepoPath = newRepoPath;
            checkAndInsertWithRetry();
        } else if (!newRepoPath && currentRepoPath) {
            document.querySelectorAll('.repo-created-date').forEach(el => el.remove());
            currentRepoPath = '';
        }
    }

    function init() {
        checkAndInsertWithRetry();
        observeDOM();
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }

    const originalPushState = history.pushState;
    history.pushState = function() {
        originalPushState.apply(this, arguments);
        setTimeout(checkForRepoChange, 150);
    };
    const originalReplaceState = history.replaceState;
    history.replaceState = function() {
        originalReplaceState.apply(this, arguments);
        setTimeout(checkForRepoChange, 150);
    };
    window.addEventListener('popstate', () => setTimeout(checkForRepoChange, 150));

    function observeDOM() {
        const observer = new MutationObserver(() => {
            setTimeout(checkForRepoChange, 200);
        });
        observer.observe(document.body, { childList: true, subtree: true });
    }
})();