Function deduplicate_name

src/code_actions/extract_function.rs:765–794

Deduplicate a base name against existing names in the appropriate scope. For methods, checks against sibling method names in the class. For functions, checks against `function ` patterns in the file.

(base: &str, content: &str, ctx: &EnclosingContext)

/// For methods, checks against sibling method names in the class.
/// For functions, checks against `function <name>` patterns in the file.
fn deduplicate_name(base: &str, content: &str, ctx: &EnclosingContext) -> String {
    let mut name = base.to_string();
    let mut counter = 1u32;

    match ctx.target {
        ExtractionTarget::Method => {
            // Check against sibling method names in the class.
            loop {
                if !ctx.sibling_method_names.contains(&name) {
                    break;
                }
                counter += 1;
                name = format!("{}{}", base, counter);
            }
        }
        ExtractionTarget::Function => {
            // Check against function declarations in the file.
            loop {
                let pattern_fn = format!("function {}", name);
                if !content.contains(&pattern_fn) {
                    break;
                }
                counter += 1;
                name = format!("{}{}", base, counter);
            }
        }
    }

    name
}

// ─── Selection trimming ────────────────────────────────────────────────────