feat: add isModule

src/utils/misc.ts

@@ -0,0 +1,9 @@
+const MOD_EXCLUDE: Array<string> = ['.d.ts'];
+const MOD_INCLUDE: Array<string> = ['.ts', '.js', '.mjs', '.cjs'];
+export function isModule(path: string): boolean {
+	for (const ext of MOD_EXCLUDE) if (path.endsWith(ext)) return false;
+
+	for (const ext of MOD_INCLUDE) if (path.endsWith(ext)) return true;
+
+	return false;
+}