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Discord Timestamp with Seconds and Date

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 and Date
// @namespace    http://tampermonkey.net/
// @version      2.1
// @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.