fix: wrong file handling for builds

src/commands.ts

@@ -33,7 +33,7 @@ export interface Command {
 	builder?: SlashCommandOptionsOnlyBuilder;
 }
 
-interface CommandCategoryInfo {
+export interface CommandCategoryInfo {
 	name: string;
 	description: string;
 }
@@ -144,12 +144,21 @@ export class CommandManager {
 		catPath: string
 	): Promise<CommandCategoryInfo | undefined> {
 		try {
-			const descriptorPath = path.join(catPath, 'category.json');
-			if (!fs.existsSync(descriptorPath))
-				throw new Error('Missing categoryinfo.json');
+			const extensions = ['js', 'mjs', 'cjs', 'ts'];
 
-			const content = await fs.promises.readFile(descriptorPath, 'utf-8');
-			return JSON.parse(content) as CommandCategoryInfo;
+			for (const ext of extensions) {
+				const descriptorPath = path.join(catPath, `_category.${ext}`);
+				if (!fs.existsSync(descriptorPath)) continue;
+
+				const module = await import(`file://${descriptorPath}`);
+				return (
+					module.default?.default ||
+					module.default ||
+					(module as CommandCategoryInfo)
+				);
+			}
+
+			throw new Error('Missing categoryinfo.json');
 		} catch (err) {
 			this.log.error('Error loading category info at %s: %s', catPath, err);
 			return undefined;
@@ -170,7 +179,13 @@ export class CommandManager {
         cmd parsing
     */
 	private isValidCommandFile(file: string): boolean {
-		return file.endsWith('.js') || file.endsWith('.ts');
+		if (file.endsWith('.d.ts')) return false;
+		return (
+			file.endsWith('.js') ||
+			file.endsWith('.ts') ||
+			file.endsWith('.mjs') ||
+			file.endsWith('.cjs')
+		);
 	}
 
 	private async attemptLoadCommand(filePath: string): Promise<Command | null> {