fix generation of property keys

Author: rashal01

packages/jsxpression/src/codegen/schema/utils.ts

@@ -48,7 +48,8 @@ export function generateObjectTypeWithJSDoc(properties: any, depth: number = 0):
 
     const nestedType = mapSchemaTypeToTypeScript(value, depth + 1);
     const required = value.required !== false ? "" : "?";
-    result += `    ${key}${required}: ${nestedType};\n`;
+
+    result += `    ${formatKey(key)}${required}: ${nestedType};\n`;
   });
 
   result += "  }";
@@ -112,3 +113,10 @@ export function generatePropertyJSDoc(
 
   return output;
 }
+
+function formatKey(key: string): string {
+  if (/^[A-Za-z_$][A-Za-z0-9_$]*$/.test(key)) {
+    return key;
+  }
+  return `"${key}"`;
+}