Merge pull request #4 from spindle-app/alissa/derive-for-enum

derive custom rust types for enum

Author: alissapajer

crates/target_rust/src/lib.rs

@@ -197,6 +197,12 @@ impl jtd_codegen::target::Target for Target {
                     return Ok(Some(s.into()));
                 }
 
+                let mut derives = vec!["Serialize", "Deserialize"];
+
+                if let Some(s) = metadata.get("rustCustomDerive").and_then(|v| v.as_str()) {
+                    derives.extend(s.split(","));
+                }
+
                 state
                     .imports
                     .entry("serde".into())
@@ -205,7 +211,7 @@ impl jtd_codegen::target::Target for Target {
 
                 writeln!(out)?;
                 write!(out, "{}", description(&metadata, 0))?;
-                writeln!(out, "#[derive(Serialize, Deserialize)]")?;
+                writeln!(out, "#[derive({})]", derives.join(", "))?;
                 writeln!(out, "pub enum {} {{", name)?;
 
                 for (index, member) in members.into_iter().enumerate() {
@@ -321,6 +327,12 @@ impl jtd_codegen::target::Target for Target {
                     return Ok(Some(s.into()));
                 }
 
+                let mut derives = vec!["Serialize", "Deserialize"];
+
+                if let Some(s) = metadata.get("rustCustomDerive").and_then(|v| v.as_str()) {
+                    derives.extend(s.split(","));
+                }
+
                 state
                     .imports
                     .entry("serde".into())
@@ -329,7 +341,7 @@ impl jtd_codegen::target::Target for Target {
 
                 writeln!(out)?;
                 write!(out, "{}", description(&metadata, 0))?;
-                writeln!(out, "#[derive(Serialize, Deserialize)]")?;
+                writeln!(out, "#[derive({})]", derives.join(", "))?;
                 writeln!(out, "#[serde(tag = {:?})]", tag_json_name)?;
                 writeln!(out, "pub enum {} {{", name)?;
 
@@ -362,6 +374,12 @@ impl jtd_codegen::target::Target for Target {
                     return Ok(Some(s.into()));
                 }
 
+                let mut derives = vec!["Serialize", "Deserialize"];
+
+                if let Some(s) = metadata.get("rustCustomDerive").and_then(|v| v.as_str()) {
+                    derives.extend(s.split(","));
+                }
+
                 state
                     .imports
                     .entry("serde".into())
@@ -370,7 +388,7 @@ impl jtd_codegen::target::Target for Target {
 
                 writeln!(out)?;
                 write!(out, "{}", description(&metadata, 0))?;
-                writeln!(out, "#[derive(Serialize, Deserialize)]")?;
+                writeln!(out, "#[derive({})]", derives.join(", "))?;
 
                 if fields.is_empty() {
                     writeln!(out, "pub struct {} {{}}", name)?;