---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalidClassProperty.js
---
# Input
```jsx
export default class {
    X

    "Y" = 0

    #X

    Initialized = 0

    #Initialized = 0

    PROPERTY

    #PROPERTY

    SpecialProperty

    #SpecialProperty

    special_property

    #special_property

    Unknown_Style

    #Unknown_Style

    Unknown_Init_Style = 0

    #Unknown_Init_Style = 0
}
```

# Diagnostics
```
invalidClassProperty.js:2:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    1 │ export default class {
  > 2 │     X
      │     ^
    3 │ 
    4 │     "Y" = 0
  
  i The name could be renamed to `x`.
  

```

```
invalidClassProperty.js:4:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    2 │     X
    3 │ 
  > 4 │     "Y" = 0
      │     ^^^
    5 │ 
    6 │     #X
  
  i The name could be renamed to `y`.
  

```

```
invalidClassProperty.js:6:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    4 │     "Y" = 0
    5 │ 
  > 6 │     #X
      │     ^^
    7 │ 
    8 │     Initialized = 0
  
  i The name could be renamed to `x`.
  

```

```
invalidClassProperty.js:8:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
     6 │     #X
     7 │ 
   > 8 │     Initialized = 0
       │     ^^^^^^^^^^^
     9 │ 
    10 │     #Initialized = 0
  
  i The name could be renamed to `initialized`.
  

```

```
invalidClassProperty.js:10:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
     8 │     Initialized = 0
     9 │ 
  > 10 │     #Initialized = 0
       │     ^^^^^^^^^^^^
    11 │ 
    12 │     PROPERTY
  
  i The name could be renamed to `initialized`.
  

```

```
invalidClassProperty.js:12:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    10 │     #Initialized = 0
    11 │ 
  > 12 │     PROPERTY
       │     ^^^^^^^^
    13 │ 
    14 │     #PROPERTY
  
  i The name could be renamed to `property`.
  

```

```
invalidClassProperty.js:14:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    12 │     PROPERTY
    13 │ 
  > 14 │     #PROPERTY
       │     ^^^^^^^^^
    15 │ 
    16 │     SpecialProperty
  
  i The name could be renamed to `property`.
  

```

```
invalidClassProperty.js:16:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    14 │     #PROPERTY
    15 │ 
  > 16 │     SpecialProperty
       │     ^^^^^^^^^^^^^^^
    17 │ 
    18 │     #SpecialProperty
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassProperty.js:18:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    16 │     SpecialProperty
    17 │ 
  > 18 │     #SpecialProperty
       │     ^^^^^^^^^^^^^^^^
    19 │ 
    20 │     special_property
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassProperty.js:20:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    18 │     #SpecialProperty
    19 │ 
  > 20 │     special_property
       │     ^^^^^^^^^^^^^^^^
    21 │ 
    22 │     #special_property
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassProperty.js:22:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    20 │     special_property
    21 │ 
  > 22 │     #special_property
       │     ^^^^^^^^^^^^^^^^^
    23 │ 
    24 │     Unknown_Style
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassProperty.js:24:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    22 │     #special_property
    23 │ 
  > 24 │     Unknown_Style
       │     ^^^^^^^^^^^^^
    25 │ 
    26 │     #Unknown_Style
  
  i The name could be renamed to `unknownStyle`.
  

```

```
invalidClassProperty.js:26:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    24 │     Unknown_Style
    25 │ 
  > 26 │     #Unknown_Style
       │     ^^^^^^^^^^^^^^
    27 │ 
    28 │     Unknown_Init_Style = 0
  
  i The name could be renamed to `unknownStyle`.
  

```

```
invalidClassProperty.js:28:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    26 │     #Unknown_Style
    27 │ 
  > 28 │     Unknown_Init_Style = 0
       │     ^^^^^^^^^^^^^^^^^^
    29 │ 
    30 │     #Unknown_Init_Style = 0
  
  i The name could be renamed to `unknownInitStyle`.
  

```

```
invalidClassProperty.js:30:5 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class property name should be in camelCase.
  
    28 │     Unknown_Init_Style = 0
    29 │ 
  > 30 │     #Unknown_Init_Style = 0
       │     ^^^^^^^^^^^^^^^^^^^
    31 │ }
  
  i The name could be renamed to `unknownInitStyle`.
  

```