fix(core): move multipart/mixed to end of accept headers (#3039)

Co-authored-by: Phil Pluckthun <[email protected]>
urql-graphql · Mar 14, 2023 · 77f6f3a · 77f6f3a
1 parent ad1ada4
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diff --git a/.changeset/early-crabs-draw.md b/.changeset/early-crabs-draw.md
@@ -0,0 +1,5 @@
+---
+'@urql/core': patch
+---
+
+Move `multipart/mixed` to end of `Accept` header to avoid cauing Yoga to unnecessarily use it.
diff --git a/packages/core/src/internal/fetchOptions.ts b/packages/core/src/internal/fetchOptions.ts
@@ -88,9 +88,10 @@ export const makeFetchOptions = (
 ): RequestInit => {
   const useGETMethod =
     operation.kind === 'query' && !!operation.context.preferGetMethod;
+
   const headers: HeadersInit = {
     accept:
-      'multipart/mixed, application/graphql-response+json, application/graphql+json, application/json',
+      'application/graphql-response+json, application/graphql+json, application/json, multipart/mixed',
   };
   if (!useGETMethod) headers['content-type'] = 'application/json';
   const extraOptions =