use std::path::PathBuf;

/// Returns the `data/` directory next to the running executable.
/// Creates it if it does not exist.
pub fn data_dir() -> PathBuf {
    let exe = std::env::current_exe().unwrap_or_else(|_| PathBuf::from("."));
    let dir = exe.parent().unwrap_or_else(|| std::path::Path::new(".")).join("data");
    if !dir.exists() {
        std::fs::create_dir_all(&dir).ok();
    }
    dir
}