IndiumJS/commands/utilities/ping_cmd.js

const { SlashCommandBuilder } = require('discord.js');

module.exports = {
    data: new SlashCommandBuilder()
        .setName('ping')
        .setDescription('Replies with Pong!'),
    async execute(interaction) {
        interaction.reply('🏓').then (async (msg) => {
            msg.edit(`🏓Latency is \`${Date.now() - msg.createdTimestamp}ms\``);
        });
    },
};