feat(Commands): add a reload command

src/commands/Reload.ts

@@ -0,0 +1,42 @@
+import { Command } from '../lib/structures/Command';
+import { MoonlightClient } from '../lib/Client';
+import { Stopwatch } from '../lib/util';
+import { BasePool } from '../lib/structures/Pools/Base/BasePool';
+import { Message } from 'discord.js';
+
+/** @ignore */
+export default class extends Command {
+    constructor(client: MoonlightClient, pool: BasePool<string, Command>) {
+        super(client, pool, { cooldown: 5, ownerOnly: true, usage: '[everything] [piece:string]' });
+    }
+
+    public async run(message: Message, args: ReloadCommandArgs) {
+        if (!args.everything && !args.piece) return message.channel.send('Please provide the name of a piece you want to reload or provide "everything" as an argument to reload everything.');
+
+        if (args.everything) {
+            const stopwatch = new Stopwatch();
+            await Promise.all(Array.from(this.client.pools).map(async ([_, poolPiece]) => await poolPiece.reload()));
+            stopwatch.stop();
+
+            return message.channel.send(`Done! Reloaded everything in: ${stopwatch.getElapsedHuman}`);
+        }
+
+        if (!args.piece) return message.channel.send('Please provide a piece name to reload!');
+
+        if (!this.client.pools.has(args.piece)) return message.channel.send(`No such piece named \`${args.piece}\``);
+
+        const pieces = Array.from(this.client.pools).filter(([name]) => name === args.piece).map(([_, piece]) => piece);
+
+        const stopwatch = new Stopwatch();
+        await Promise.all(pieces.map(async piece => await piece.reload()));
+        stopwatch.stop();
+
+        if (pieces.length === 1) return message.channel.send(`Done! Reloaded ${args.piece} in: ${stopwatch.getElapsedHuman}`);
+        else return message.channel.send(`Done! Reloaded every piece with the name of ${args.piece} in: ${stopwatch.getElapsedHuman}`);
+    }
+}
+
+interface ReloadCommandArgs {
+    everything?: string;
+    piece?: string;
+}