Vencord plugin to override timestamp formats

customTimestamps.ts

/*
 * Vencord, a Discord client mod
 * Copyright (c) 2023 Vendicated and contributors
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

// Formats are specified as moment.js formats: https://momentjs.com/docs/#/displaying/format/
// [relative] and [calendar] are automatically replaced by time relative to now and to today respectively

import { definePluginSettings } from "@api/Settings";
import { Devs } from "@utils/constants";
import definePlugin, { OptionType } from "@utils/types";
import { moment } from "@webpack/common";

const settings = definePluginSettings({
    cozyFormat: {
        type: OptionType.STRING,
        default: "[calendar]",
        description: "time format to use in messages on cozy mode",
    },
    compactFormat: {
        type: OptionType.STRING,
        default: "LT",
        description: "time format to use in messages on compact mode",
    },
    tooltipFormat: {
        type: OptionType.STRING,
        default: "LLLL • [relative]",
        description: "time format to use on tooltip",
    },
});
export default definePlugin({
    name: "CustomTimestamps",
    description: "Customises timestamps on messages and tooltips",
    authors: [Devs.Rini],
    settings,

    patches: [{
        find: "MESSAGE_EDITED_TIMESTAMP_A11Y_LABEL.format",
        replacement: [
            {
                match: /(?<=\i=\i\?)\(0,\i\.\i\)\((\i),"LT"\):\(0,\i\.\i\)\(\i\)/,
                replace: '$self.format($1,"compactFormat","[calendar]"):$self.format($1,"cozyFormat","LT")',
            },
            {
                match: /(?<=text:)\(0,\i.\i\)\((\i),"LLLL"\)(?=,)/,
                replace: '$self.format($1,"tooltipFormat","LLLL")',
            },
        ]
    }],

    format(date: Date, key: string, fallback: string) {
        const t = moment(date);
        return t.format(settings.store[key] || fallback)
            .replace("relative", () => t.fromNow())
            .replace("calendar", () => t.calendar());
    },
});