Function to_camel_case

src/code_actions/extract_variable.rs:493–509

Convert a string to camelCase, starting with a lowercase letter.

(s: &str)

/// Convert a string to camelCase, starting with a lowercase letter.
fn to_camel_case(s: &str) -> String {
    if s.is_empty() {
        return "variable".to_string();
    }

    // If it contains underscores, treat as snake_case
    if s.contains('_') {
        return snake_to_camel(s);
    }

    // Just lowercase the first character
    let mut chars = s.chars();
    let first = chars.next().unwrap();
    let mut result = first.to_lowercase().to_string();
    result.extend(chars);
    result
}

/// Convert `snake_case` to `camelCase`.
fn snake_to_camel(s: &str) -> String {