Function availability_mode

crates/nodeup/src/command_diagnostics.rs:262–273

(
    direct_executable_runnable: bool,
    npm_exec_fallback: &Option<PathBuf>,
)

}

fn availability_mode(
    direct_executable_runnable: bool,
    npm_exec_fallback: &Option<PathBuf>,
) -> &'static str {
    if direct_executable_runnable {
        "direct"
    } else if npm_exec_fallback.is_some() {
        "npm-exec"
    } else {
        "unavailable"
    }
}