feat: allow any serializable object as response

crates/tuono_lib/src/payload.rs

@@ -1,24 +1,25 @@
-use serde::Serialize;
+use erased_serde::Serialize;
+use serde::Serialize as SerdeSerialize;
 
 use crate::request::Location;
 use crate::Request;
 
-#[derive(Serialize)]
+#[derive(SerdeSerialize)]
 /// This is the data shared to the client
 pub struct Payload<'a> {
     router: Location<'a>,
-    props: String,
+    props: Box<dyn Serialize>,
 }
 
 impl<'a> Payload<'a> {
-    pub fn new(req: &Request<'a>, props: String) -> Payload<'a> {
+    pub fn new(req: &Request<'a>, props: Box<dyn Serialize>) -> Payload<'a> {
         Payload {
             router: req.location(),
             props,
         }
     }
 
-    pub fn client_payload(&self) -> String {
-        serde_json::to_string(&self).unwrap()
+    pub fn client_payload(&self) -> Result<String, serde_json::Error> {
+        serde_json::to_string(&self)
     }
 }