---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalidNonAscii.js
---
# Input
```jsx
const café = 0;
```

# Diagnostics
```
invalidNonAscii.js:1:7 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This top-level const name should be in ASCII because requireAscii` is set to `true`.
  
  > 1 │ const café = 0;
      │       ^^^^
  
  i If you want to use non-ASCII names, then set the requireAscii option to `false`.
    See the rule options for more details.
  

```