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Discord Timestamp with Seconds

Gives users the ability to see seconds to Discord message timestamps and improves the date format. It also allows users to see the time elapsed since a message was sent.

当前为 2023-03-26 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Discord Timestamp with Seconds
// @namespace    http://tampermonkey.net/
// @version      2.4
// @description  Gives users the ability to see seconds to Discord message timestamps and improves the date format. It also allows users to see the time elapsed since a message was sent.
// @author       Sam (and ChatGPT lol; yes, ChatGPT helped me with this.
// @match        https://discord.com/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    let observer = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutation) {
            if (mutation.type == "childList") {
                let messages = mutation.target.querySelectorAll(".timestamp-p1Df1m time");
                messages.forEach(function(message) {
                    let timestamp = message.getAttribute("datetime");
                    let date = new Date(timestamp);
                    let now = new Date();
                    let formattedTime = date.toLocaleTimeString([], { hour: 'numeric', minute: 'numeric', second: 'numeric' }).replace(" PM", " PM").replace(" AM", " AM");
                    let formattedDate = date.toLocaleDateString([], { year: 'numeric', month: 'short', day: 'numeric' });
                    let todayFormattedTime = "Today at " + formattedTime;
                    let timeElapsed = getTimeElapsed(date, now);

                    if (now.toDateString() === date.toDateString()) {
                        message.innerHTML = "<i class=\"separator-AebOhG\" aria-hidden=\"true\"> — </i>" + todayFormattedTime + " (" + timeElapsed + ")";
                    } else {
                        message.innerHTML = "<i class=\"separator-AebOhG\" aria-hidden=\"true\"> — </i>" + formattedDate + " " + formattedTime + " (" + timeElapsed + ")";
                    }
                });
            }
        });
    });

    observer.observe(document, { childList: true, subtree: true });

    function getTimeElapsed(date1, date2) {
        let diff = Math.abs(date2.getTime() - date1.getTime()) / 1000;
        let minutes = Math.floor(diff / 60);
        let hours = Math.floor(minutes / 60);
        let days = Math.floor(hours / 24);
        let months = Math.floor(days / 30);
        let years = Math.floor(months / 12);

        if (years > 0) {
            return years + " year" + (years > 1 ? "s" : "") + " ago";
        } else if (months > 0) {
            return months + " month" + (months > 1 ? "s" : "") + " ago";
        } else if (days > 0) {
            return days + " day" + (days > 1 ? "s" : "") + " ago";
        } else if (hours > 0) {
            return hours + " hour" + (hours > 1 ? "s" : "") + " ago";
        } else {
            return minutes + " minute" + (minutes > 1 ? "s" : "") + " ago";
        }
    }
})();

// MIT License
// 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.