feat(arabot): add ping command

src/commands/ping.ts

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+/*
+    Animal Rights Advocates Discord Bot
+    Copyright (C) 2022  Anthony Berg
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { Command } from '@sapphire/framework';
+import type { Message } from 'discord.js';
+
+export class PingCommand extends Command {
+  public constructor(context: Command.Context) {
+    super(context, {
+      name: 'ping',
+      aliases: ['pong'],
+      description: 'ping pong',
+    });
+  }
+
+  public async messageRun(message: Message) {
+    const msg = await message.channel.send('Ping?');
+
+    const content = `Pong from JavaScript! Bot Latency ${Math.round(this.container.client.ws.ping)}ms. API Latency ${msg.createdTimestamp - message.createdTimestamp}ms.`;
+
+    return msg.edit(content);
+  }
+}