feat: add isModule

src/commands.ts

@@ -168,7 +168,7 @@ export class CommandManager {
 	private async loadCatCommands(catPath: string): Promise<Array<Command>> {
 		const promises = fs
 			.readdirSync(catPath)
-			.filter((file) => this.isValidCommandFile(file))
+			.filter((file) => isModule(file))
 			.map(
 				async (file) => await this.attemptLoadCommand(path.join(catPath, file))
 			);
@@ -178,16 +178,6 @@ export class CommandManager {
 	/*
         cmd parsing
     */
-	private isValidCommandFile(file: string): boolean {
-		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> {
 		try {
 			const module = await import(`file://${filePath}`);