1 files changed, 5 insertions, 14 deletions
diff --git a/source/library/fetcher/http.ts b/source/library/fetcher/http.ts
index 3138226..64322f2 100644
--- a/source/library/fetcher/http.ts
+++ b/source/library/fetcher/http.ts
@@ -3,6 +3,7 @@
 
 /*** UTILITY ------------------------------------------ ***/
 
+import { buildHeaders, postJson } from "./http-body.ts";
 import type { Fetcher, FetcherOptions } from "./types.ts";
 
 /*** EXPORT ------------------------------------------- ***/
@@ -11,20 +12,10 @@ export function createHttpFetcher(options: FetcherOptions): Fetcher {
   const fetchImpl = options.fetch ?? globalThis.fetch;
 
   return async (req) => {
-    const response = await fetchImpl(options.url, {
-      body: JSON.stringify({
-        operationName: req.operationName,
-        query: req.query,
-        variables: req.variables
-      }),
-      headers: {
-        "Content-Type": "application/json",
-        ...options.headers,
-        ...req.headers
-      },
-      method: "POST"
+    return await postJson(fetchImpl, options.url, buildHeaders(options, req), {
+      operationName: req.operationName,
+      query: req.query,
+      variables: req.variables
     });
-
-    return await response.json();
   };
 }