Use a message result wrapper instead of hand-writing the result json

Signed-off-by: Dimitris Zervas <[email protected]>

packages/cadmium/src/lib.rs

@@ -1,4 +1,4 @@
-use message::Message;
+use message::{Message, MessageResult};
 use wasm_bindgen::prelude::*;
 extern crate console_error_panic_hook;
 
@@ -76,11 +76,8 @@ impl Project {
     }
 
     #[wasm_bindgen]
-    pub fn send_message(&mut self, message: Message) -> String {
-        match message.handle(&mut self.native) {
-            Ok(d) => format!(r#"{{ "success": {{ {} }}"#, d),
-            Err(e) => format!(r#"{{ "error": {{ {} }}"#, e),
-        }
+    pub fn send_message(&mut self, message: Message) -> MessageResult {
+        message.handle(&mut self.native).into()
     }
 
     // #[wasm_bindgen(getter)]

packages/cadmium/src/message.rs

@@ -9,6 +9,24 @@ use crate::extrusion::{Direction, Extrusion, ExtrusionMode};
 use crate::project::Project;
 use crate::step::StepData;
 
+#[derive(Tsify, Debug, Serialize, Deserialize)]
+#[tsify(into_wasm_abi, from_wasm_abi)]
+pub enum MessageResult {
+    #[serde(rename = "success")]
+    Success(String),
+    #[serde(rename = "error")]
+    Error(String),
+}
+
+impl From<Result<String, anyhow::Error>> for MessageResult {
+    fn from(result: Result<String, anyhow::Error>) -> Self {
+        match result {
+            Ok(msg) => MessageResult::Success(msg),
+            Err(e) => MessageResult::Error(e.to_string()),
+        }
+    }
+}
+
 #[derive(Tsify, Debug, Serialize, Deserialize)]
 #[tsify(into_wasm_abi, from_wasm_abi)]
 pub enum Message {