Fix JSON examples presentation

src/main.rs

@@ -202,6 +202,20 @@ fn tex_adapt_name(i: &str) -> String {
 fn tex_export(tree: &TreeNode) -> String {
     let mut out = String::new();
     writeln!(out, "% START OF EXPORT OF SCHEMA {}", tree.name).unwrap();
+
+    let box_name = format!("\\codeBox{}", tex_adapt_name(&tree.name));
+    if matches!(tree.r#type, NodeType::Object { .. }) {
+        // JSON export
+        out.push_str(&format!("\\newsavebox{{{box_name}}}\n"));
+        out.push_str(&format!("\\begin{{lrbox}}{{{box_name}}}\n"));
+        out.push_str("\\begin{lstlisting}[language=json]\n");
+        let json_doc = serde_json::to_string_pretty(&tree.example_value(1)).unwrap();
+        let replace_key = serde_json::to_string(REF_OBJECT).unwrap();
+        out.push_str(&json_doc.replace(&format!("{replace_key}:"), "$ref"));
+        out.push_str("\n\\end{lstlisting}\n");
+        out.push_str("\\end{lrbox}\n");
+    }
+
     writeln!(
         out,
         "\\newcommand{{\\schemadef{}}}{{",
@@ -235,12 +249,9 @@ fn tex_export(tree: &TreeNode) -> String {
             }
             out.push_str("\\end{schemaprops}\n");
 
-            // JSON export
             out.push_str("\\begin{jsonsample}\n");
-            let json_doc = serde_json::to_string_pretty(&tree.example_value(1)).unwrap();
+            out.push_str(&format!("\\usebox{{{box_name}}}\n"));
-            let replace_key = serde_json::to_string(REF_OBJECT).unwrap();
+            out.push_str("\\end{jsonsample}\n");
-            out.push_str(&json_doc.replace(&format!("{replace_key}:"), "$ref"));
-            out.push_str("\n\\end{jsonsample}\n");
         }
         _ => tex_export_inner(
             &ObjectChild {