GitHub Join Date

Displays user's join 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 Join Date
// @description  Displays user's join date/time/age.
// @icon         https://github.githubassets.com/favicons/favicon-dark.svg
// @version      1.3
// @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
// @run-at       document-idle
// ==/UserScript==

(function() {
    'use strict';

    const ELEMENT_ID = 'userscript-join-date-display';
    const CACHE_KEY = 'githubUserJoinDatesCache_v1';
    const GITHUB_API_BASE = 'https://api.github.com/users/';
    const FALLBACK_API_BASE = 'https://api.codetabs.com/v1/proxy/?quest=https://api.github.com/users/';
    
    let isProcessing = false;
    let observerDebounceTimeout = null;

    function readCache() {
        try {
            const cachedData = localStorage.getItem(CACHE_KEY);
            return cachedData ? JSON.parse(cachedData) : {};
        } catch (e) {
            return {};
        }
    }

    function writeCache(cacheData) {
        try {
            localStorage.setItem(CACHE_KEY, JSON.stringify(cacheData));
        } catch (e) {

        }
    }

    function getRelativeTime(dateString) {
        const joinDate = new Date(dateString); 
        const now = new Date(); 
        const diffInSeconds = Math.round((now - joinDate) / 1000); 
        const minute = 60, hour = 3600, day = 86400, month = 2592000, year = 31536000; 
        
        if (diffInSeconds < minute) return `less than a minute ago`; 
        if (diffInSeconds < hour) { 
            const m = Math.floor(diffInSeconds / minute); 
            return `${m} ${m === 1 ? 'minute' : 'minutes'} ago`; 
        } 
        if (diffInSeconds < day) { 
            const h = Math.floor(diffInSeconds / hour); 
            return `${h} ${h === 1 ? 'hour' : 'hours'} ago`; 
        } 
        if (diffInSeconds < month) { 
            const d = Math.floor(diffInSeconds / day); 
            return `${d} ${d === 1 ? 'day' : 'days'} ago`; 
        } 
        if (diffInSeconds < year) { 
            const mo = Math.floor(diffInSeconds / month); 
            return `${mo} ${mo === 1 ? 'month' : 'months'} ago`; 
        } 
        const y = Math.floor(diffInSeconds / year); 
        return `${y} ${y === 1 ? 'year' : 'years'} ago`;
    }

    function getAbbreviatedMonth(date) {
        const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
        return months[date.getMonth()];
    }

    async function fetchFromGitHubApi(username) {
        const apiUrl = `${GITHUB_API_BASE}${username}`;
        
        return new Promise((resolve) => {
            GM_xmlhttpRequest({
                method: 'GET',
                url: apiUrl,
                headers: {
                    'Accept': 'application/vnd.github.v3+json'
                },
                onload: function(response) {
                    if (response.status === 200) {
                        try {
                            const userData = JSON.parse(response.responseText);
                            const createdAt = userData.created_at;
                            if (createdAt) {
                                resolve({ success: true, data: createdAt });
                            } else {
                                resolve({ success: false, error: 'Missing creation date' });
                            }
                        } catch (e) {
                            resolve({ success: false, error: 'JSON parse error' });
                        }
                    } else {
                        resolve({ 
                            success: false, 
                            error: `Status ${response.status}`, 
                            useProxy: response.status === 403 || response.status === 429
                        });
                    }
                },
                onerror: function() {
                    resolve({ success: false, error: 'Network error', useProxy: true });
                },
                ontimeout: function() {
                    resolve({ success: false, error: 'Timeout', useProxy: true });
                }
            });
        });
    }

    async function fetchFromProxyApi(username) {
        const apiUrl = `${FALLBACK_API_BASE}${username}`;
        
        return new Promise((resolve) => {
            GM_xmlhttpRequest({
                method: 'GET',
                url: apiUrl,
                onload: function(response) {
                    if (response.status >= 200 && response.status < 300) {
                        try {
                            const userData = JSON.parse(response.responseText);
                            const createdAt = userData.created_at;
                            if (createdAt) {
                                resolve({ success: true, data: createdAt });
                            } else {
                                resolve({ success: false, error: 'Missing creation date' });
                            }
                        } catch (e) {
                            resolve({ success: false, error: 'JSON parse error' });
                        }
                    } else {
                        resolve({ success: false, error: `Status ${response.status}` });
                    }
                },
                onerror: function() {
                    resolve({ success: false, error: 'Network error' });
                },
                ontimeout: function() {
                    resolve({ success: false, error: 'Timeout' });
                }
            });
        });
    }

    async function getGitHubJoinDate(username) {
        const directResult = await fetchFromGitHubApi(username);
        
        if (directResult.success) {
            return directResult.data;
        }
        
        if (directResult.useProxy) {
            console.log('GitHub Join Date: Use Proxy');
            const proxyResult = await fetchFromProxyApi(username);
            
            if (proxyResult.success) {
                return proxyResult.data;
            }
        }
        
        return null;
    }

    function removeExistingElement() {
        const existingElement = document.getElementById(ELEMENT_ID);
        if (existingElement) {
            existingElement.remove();
        }
    }

    async function addOrUpdateJoinDateElement() {
        if (document.getElementById(ELEMENT_ID) && !isProcessing) { return; }
        if (isProcessing) { return; }

        const pathParts = window.location.pathname.split('/').filter(part => part);
        if (pathParts.length < 1 || pathParts.length > 2 || (pathParts.length === 2 && !['sponsors', 'followers', 'following'].includes(pathParts[1]))) {
            removeExistingElement(); 
            return;
        }
        
        const usernameElement = document.querySelector('.p-nickname.vcard-username') || 
                               document.querySelector('h1.h2.lh-condensed');
        
        if (!usernameElement) {
            removeExistingElement();
            return;
        }
        
        const username = pathParts[0].toLowerCase();

        isProcessing = true;
        let joinElement = document.getElementById(ELEMENT_ID);
        let createdAtISO = null;
        let fromCache = false;

        try {
            const cache = readCache();
            if (cache[username]) {
                createdAtISO = cache[username];
                fromCache = true;
            }

            if (!joinElement) {
                joinElement = document.createElement('div');
                joinElement.id = ELEMENT_ID;
                joinElement.innerHTML = fromCache ? "..." : "Loading...";
                joinElement.style.color = 'var(--color-fg-muted)';
                joinElement.style.fontSize = '14px';
                joinElement.style.fontWeight = 'normal';
                
                if (usernameElement.classList.contains('h2')) {
                    joinElement.style.marginTop = '0px';
                    
                    const colorFgMuted = usernameElement.nextElementSibling?.classList.contains('color-fg-muted') ? 
                                         usernameElement.nextElementSibling : null;
                    
                    if (colorFgMuted) {
                        const innerDiv = colorFgMuted.querySelector('div') || colorFgMuted;
                        innerDiv.appendChild(joinElement);
                    } else {
                        usernameElement.insertAdjacentElement('afterend', joinElement);
                    }
                } else {
                    joinElement.style.marginTop = '8px';
                    usernameElement.insertAdjacentElement('afterend', joinElement);
                }
            }

            if (!fromCache) {
                createdAtISO = await getGitHubJoinDate(username);
                joinElement = document.getElementById(ELEMENT_ID);
                if (!joinElement) { return; }
                
                if (createdAtISO) {
                    const currentCache = readCache();
                    currentCache[username] = createdAtISO;
                    writeCache(currentCache);
                } else {
                    removeExistingElement(); 
                    return;
                }
            }

            if (createdAtISO && joinElement) {
                const joinDate = new Date(createdAtISO);
                const day = joinDate.getDate();
                const month = getAbbreviatedMonth(joinDate);
                const year = joinDate.getFullYear();
                const hours = joinDate.getHours().toString().padStart(2, '0');
                const minutes = joinDate.getMinutes().toString().padStart(2, '0');
                const formattedTime = `${hours}:${minutes}`;
                const relativeTimeString = getRelativeTime(createdAtISO);
                
                joinElement.innerHTML = `<strong>Joined</strong> <span style="font-weight: normal;">${day} ${month} ${year} - ${formattedTime} (${relativeTimeString})</span>`;
            } else if (!createdAtISO && joinElement) {
                removeExistingElement();
            }

        } catch (error) {
            removeExistingElement();
        } finally {
            isProcessing = false;
        }
    }

    function handlePotentialPageChange() {
        clearTimeout(observerDebounceTimeout);
        observerDebounceTimeout = setTimeout(() => {
            addOrUpdateJoinDateElement();
        }, 600);
    }

    addOrUpdateJoinDateElement();

    const observer = new MutationObserver((mutationsList) => {
        let potentiallyRelevantChange = false;
        for (const mutation of mutationsList) {
            if (mutation.type === 'childList' && (mutation.addedNodes.length > 0 || mutation.removedNodes.length > 0)) {
                const targetNode = mutation.target;
                if (targetNode && (targetNode.matches?.('main, main *, .Layout-sidebar, .Layout-sidebar *, body'))) {
                    let onlySelfChange = false;
                    if ((mutation.addedNodes.length === 1 && mutation.addedNodes[0].id === ELEMENT_ID && mutation.removedNodes.length === 0) ||
                        (mutation.removedNodes.length === 1 && mutation.removedNodes[0].id === ELEMENT_ID && mutation.addedNodes.length === 0)) {
                        onlySelfChange = true;
                    }
                    if (!onlySelfChange) { 
                        potentiallyRelevantChange = true; 
                        break; 
                    }
                }
            }
        }
        if(potentiallyRelevantChange) { 
            handlePotentialPageChange(); 
        }
    });
    observer.observe(document.body, { childList: true, subtree: true });

})();