use crate::error::ShellError;
mod cd;

const BUILTINS: &[&str] = &["cd"];

pub fn is_builtin(keyword: &str) -> bool {
    BUILTINS.contains(&keyword)
}

pub fn execute_builtin(keyword: &str, args: &[&str]) -> Result<(), ShellError> {
    match keyword {
        "cd" => cd::run(args)?,
        _ => {}
    }
    Ok(())
}

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

    #[test]
    fn test_is_builtin_cd() {
        assert_eq!(is_builtin("cd"), true);
    }
}