ts:gql-client:fix-multipart-serializer

Author: Voldemat

typescript/gql-client/src/serializers/multipart.ts

@@ -87,9 +87,6 @@ export function createMultipartSerializer<
     return {
         serializeRequest: ({ operation, requestContext, variables }) => {
             return {
-                headers: {
-                    'Content-Type': 'multipart/form-data'
-                },
                 method: 'POST',
                 body: buildFormData(operation, variables as any),
                 ...requestContext.fetchOptions

typescript/gql-client/src/serializers/tests/multipart.spec.ts

@@ -52,7 +52,7 @@ describe('Multipart serializer', () => {
             variables
         })
         const headers = new Headers(init.headers)
-        expect(headers.get('Content-Type')).toBe('multipart/form-data')
+        expect(headers.get('Content-Type')).toBe(null)
         assert(init.body != null)
         assert(init.body instanceof FormData)
         expect(init.body.get('operations')).toBe(JSON.stringify({