feat: create route handler macro

crates/tuono_lib_macros/Cargo.toml

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+[package]
+name = "tuono_lib_macros"
+version = "0.0.1"
+edition = "2021"
+
+[lib]
+crate_type = ["proc-macro"]
+proc-marco = true
+
+[dependencies]
+syn = { version = "1.0.59", features = ["full"] }
+quote = "1.0"

crates/tuono_lib_macros/README.md

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+# Tuonolib Macro

crates/tuono_lib_macros/src/handler.rs

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+use proc_macro::TokenStream;
+use quote::quote;
+use syn::{parse_macro_input, ItemFn};
+
+pub fn handler_core(_args: TokenStream, item: TokenStream) -> TokenStream {
+    let item = parse_macro_input!(item as ItemFn);
+
+    let fn_name = item.clone().sig.ident;
+
+    quote! {
+        use tuono_lib::Response;
+        use axum::response::Html;
+        use axum::http::Uri;
+        use tuono_lib::ssr;
+
+        #item
+
+        pub async fn route(uri: Uri) -> Html<String> {
+            println!("Custom handler");
+           let props = #fn_name();
+
+            let res = match props {
+                Response::Props(val) => ssr::Js::SSR.with(|ssr| ssr.borrow_mut().render_to_string(Some(val.as_str()))),
+                _ => Ok("500 Internal server error".to_string())
+            };
+
+            match res {
+                Ok(html) => Html(html),
+                _ => Html("500".to_string())
+            }
+            
+        }
+    }
+    .into()
+}

crates/tuono_lib_macros/src/lib.rs

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+extern crate proc_macro;
+use proc_macro::TokenStream;
+
+mod handler;
+
+#[proc_macro_attribute]
+pub fn handler(args: TokenStream, item: TokenStream) -> TokenStream {
+    handler::handler_core(args, item)
+}
+
+