---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalid_named_reexprt.ts
---
# Input
```ts
export { baz, qux } from "foobar";

```

# Diagnostics
```
invalid_named_reexprt.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 { baz, qux } from "foobar";
      │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    2 │ 
  
  i Check this thorough explanation to better understand the context.
  

```