fix: command reloading issues with HMR plugin (#432)

Co-authored-by: Jeroen Claassens <jeroen.claassens@live.nl>

src/lib/structures/Command.ts

@@ -310,9 +310,17 @@ export class Command<PreParseReturn = Args, O extends Command.Options = Command.
 		// Reload the command
 		await super.reload();
 
+		// Get the command from the store to get any changes from the reload
+		const updatedPiece = store.get(this.name);
+
+		// This likely shouldn't happen but not worth continuing if the piece is somehow no longer available
+		if (!updatedPiece) return;
+
+		const updatedRegistry = updatedPiece.applicationCommandRegistry;
+
 		// Rerun the registry
 		try {
-			await this.registerApplicationCommands(this.applicationCommandRegistry);
+			await updatedPiece.registerApplicationCommands(updatedRegistry);
 		} catch (err) {
 			emitRegistryError(err, this);
 			// No point on continuing
@@ -324,15 +332,15 @@ export class Command<PreParseReturn = Args, O extends Command.Options = Command.
 
 		// Handle the API calls
 		// eslint-disable-next-line @typescript-eslint/dot-notation
-		await registry['runAPICalls'](applicationCommands, globalCommands, guildCommands);
+		await updatedRegistry['runAPICalls'](applicationCommands, globalCommands, guildCommands);
 
 		// Re-set the aliases
-		for (const nameOrId of registry.chatInputCommands) {
-			store.aliases.set(nameOrId, this);
+		for (const nameOrId of updatedRegistry.chatInputCommands) {
+			store.aliases.set(nameOrId, updatedPiece);
 		}
 
-		for (const nameOrId of registry.contextMenuCommands) {
-			store.aliases.set(nameOrId, this);
+		for (const nameOrId of updatedRegistry.contextMenuCommands) {
+			store.aliases.set(nameOrId, updatedPiece);
 		}
 	}