Store states data as JSON in debugger

Author: mcheshkov

rust/cubesql/cubesql/egraph-debug-template/src/index.js

@@ -1,4 +1,4 @@
-import { states } from './states';
+import states from './states.json';
 import { createRoot } from 'react-dom/client';
 import ELK from 'elkjs/lib/elk.bundled.js';
 import React, { useCallback, useState, useEffect, useMemo } from 'react';

rust/cubesql/cubesql/src/compile/rewrite/rewriter.rs

@@ -261,11 +261,8 @@ fn write_debug_states(
         last_debug_data = Some(debug_data_clone);
     }
     fs::write(
-        format!("{}/src/states.js", dir),
-        &format!(
-            "export const states = {};",
-            serde_json::to_string_pretty(&states)?
-        ),
+        format!("{}/src/states.json", dir),
+        serde_json::to_string_pretty(&states)?,
     )?;
 
     Ok(())