diff --git a/crates/nana-contracts/src/main.rs b/crates/nana-contracts/src/main.rs
index b7f55ed..9df7f87 100644
--- a/crates/nana-contracts/src/main.rs
+++ b/crates/nana-contracts/src/main.rs
@@ -78,7 +78,22 @@ fn generated_outputs(root: &Path) -> Result<GeneratedOutputs, Box<dyn std::error
     add_schema::<AppInfo>(&mut outputs, &schema_dir, "app-info")?;
     add_schema::<DemoPackSummary>(&mut outputs, &schema_dir, "demo-pack-summary")?;
 
-    let declarations = [
+    let declarations = generated_declarations();
+    let ts = format!("// @generated by crates/nana-contracts; do not edit.\n\n{declarations}\n");
+    outputs.push((root.join("contracts/ts/index.ts"), ts.into_bytes()));
+
+    let domain_source = fs::read(root.join("crates/nana-domain/src/lib.rs"))?;
+    let source_hash = format!("{:x}\n", Sha256::digest(domain_source));
+    outputs.push((
+        root.join("contracts/.source.sha256"),
+        source_hash.into_bytes(),
+    ));
+
+    Ok(outputs)
+}
+
+fn generated_declarations() -> String {
+    [
         ResourceId::decl(),
         ResourceKind::decl(),
         ResourceRef::decl(),
@@ -150,18 +165,7 @@ fn generated_outputs(root: &Path) -> Result<GeneratedOutputs, Box<dyn std::error
     .into_iter()
     .map(|declaration| format!("export {declaration}"))
     .collect::<Vec<_>>()
-    .join("\n\n");
-    let ts = format!("// @generated by crates/nana-contracts; do not edit.\n\n{declarations}\n");
-    outputs.push((root.join("contracts/ts/index.ts"), ts.into_bytes()));
-
-    let domain_source = fs::read(root.join("crates/nana-domain/src/lib.rs"))?;
-    let source_hash = format!("{:x}\n", Sha256::digest(domain_source));
-    outputs.push((
-        root.join("contracts/.source.sha256"),
-        source_hash.into_bytes(),
-    ));
-
-    Ok(outputs)
+    .join("\n\n")
 }
 
 fn add_schema<T: JsonSchema + Serialize>(