fix(cli-macros): parse args without proc-macro helper

Author: Larkooo

crates/cli-macros/src/lib.rs

@@ -1,5 +1,6 @@
 use proc_macro::TokenStream;
 use quote::quote;
+use syn::parse::Parser;
 use syn::{parse_macro_input, parse_quote, Attribute, ItemStruct, LitStr, Meta};
 
 #[proc_macro_attribute]
@@ -63,9 +64,11 @@ pub fn prefixed_args(attr: TokenStream, item: TokenStream) -> TokenStream {
 }
 
 fn parse_prefix(attr: TokenStream) -> String {
-    let meta = parse_macro_input!(
-        attr with syn::punctuated::Punctuated::<Meta, syn::Token![,]>::parse_terminated
-    );
+    let parser = syn::punctuated::Punctuated::<Meta, syn::Token![,]>::parse_terminated;
+    let meta = match parser.parse(attr) {
+        Ok(meta) => meta,
+        Err(_) => return String::new(),
+    };
     for nested in meta {
         if let Meta::NameValue(name_value) = nested {
             if !name_value.path.is_ident("prefix") {