Start defining the return type.

src/wasm/document.rs

@@ -0,0 +1,14 @@
+use organic::types::Document;
+use serde::Deserialize;
+use serde::Serialize;
+
+#[derive(Serialize, Deserialize)]
+#[serde(tag = "ast_node")]
+#[serde(rename = "org-data")]
+pub(crate) struct WasmDocument {}
+
+impl From<Document<'_>> for WasmDocument {
+    fn from(value: Document) -> Self {
+        todo!()
+    }
+}