fix: missing type definitions

Author: lart2150

rollup.config.js

@@ -9,7 +9,7 @@ export default [
             {file: pkg.module, format: 'es', sourcemap: true},
         ],
         plugins: [
-            typescript({tsconfig: './tsconfig.json'}),
+            typescript({tsconfig: './tsconfig.build.json'}),
         ],
     },
 ];