---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalid_default_named_alias_reexport.ts
---
# Input
```ts
export { default as module2 } from "./module2";
```

# Diagnostics
```
invalid_default_named_alias_reexport.ts:1:1 lint/nursery/noBarrelFile ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Avoid barrel files, they slow down performance, and cause large module graphs with modules that go unused.
  
  > 1 │ export { default as module2 } from "./module2";
      │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  
  i Check this thorough explanation to better understand the context.
  

```