swt 4.0.1

🍬 Sweet: A blazing-fast code health and architecture analyzer.
Documentation 
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//! Logic for identifying and counting function/method declarations.

use crate::languages::LanguageRegistry;

/// Counts the number of function/method declarations in the content.
#[must_use]
pub fn count_functions(content: &str, extension: &str) -> usize {
    let registry = LanguageRegistry::get();
    let Some(lang) = registry.get_by_extension(extension) else {
        return 0;
    };

    lang.count_functions(content)
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_rs_functions() {
        let code = "fn main() {}\nasync fn test() {}";
        assert_eq!(count_functions(code, "rs"), 2);
    }

    #[test]
    fn test_php_functions() {
        let code =
            "function test() {}\npublic function move() {}\nfinal protected function stop() {}";
        assert_eq!(count_functions(code, "php"), 3);
    }
}