fix using Header object

apache · Jun 25, 2024 · 37565b0 · 37565b0
1 parent e36b33b
commit 37565b0
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/trace/interceptors/fetch.ts b/src/trace/interceptors/fetch.ts
@@ -83,9 +83,13 @@ export default function windowFetch(options: CustomOptionsType, segments: Segmen
         args[1] = {};
       }
       if (!args[1].headers) {
-        args[1].headers = {};
+        args[1].headers = new Headers();
+      }
+      if (args[1].headers instanceof Headers) {
+        args[1].headers.append('sw8', values);
+      } else {
+        args[1].headers['sw8'] = values;
       }
-      args[1].headers['sw8'] = values;
     }
 
     const response = await originFetch(...args);