luaur-cli-lib 0.1.2

Shared CLI helpers for the luaur tools.
Documentation 
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pub fn get_parent_path(path: &str) -> Option<alloc::string::String> {
    if path.is_empty() || path == "." || path == "/" {
        return None;
    }

    #[cfg(windows)]
    {
        if path.len() == 2 && path.as_bytes().get(1) == Some(&b':') {
            return None;
        }
    }

    let last_slash_pos = path.rfind(['\\', '/']);

    match last_slash_pos {
        Some(0) => Some("/".to_string()),
        Some(slash_index) => Some(path[..slash_index].to_string()),
        None => {
            #[cfg(windows)]
            {
                if path.len() == 2 && path.as_bytes().get(1) == Some(&b':') {
                    None
                } else {
                    Some("".to_string())
                }
            }
            #[cfg(not(windows))]
            {
                Some("".to_string())
            }
        }
    }
}