poem-derive 0.6.2

use proc_macro2::{Span, TokenStream};
use proc_macro_crate::{crate_name, FoundCrate};
use quote::quote;
use syn::Ident;

pub(crate) fn get_crate_name(internal: bool) -> TokenStream {
    if internal {
        quote! { crate }
    } else {
        let name = match crate_name("poem") {
            Ok(FoundCrate::Name(name)) => name,
            Ok(FoundCrate::Itself) | Err(_) => "poem".to_string(),
        };
        let name = Ident::new(&name, Span::call_site());
        quote!(#name)
    }
}