fix(workaround): multipart subscriptions that terminate with payload:…

… null (#11594) * fix(workaround): multipart subscriptions that terminate with payload: null * Clean up Prettier, Size-limit, and Api-Extractor
apollographql · Mar 8, 2024 · 50b1097 · 50b1097
1 parent 9e74ade
commit 50b1097
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Showing 4 changed files with 14 additions and 2 deletions.
diff --git a/.changeset/little-squids-watch.md b/.changeset/little-squids-watch.md
@@ -0,0 +1,5 @@
+---
+"@apollo/client": patch
+---
+
+Adds a fix for multipart subscriptions that terminate with payload: null
diff --git a/.size-limits.json b/.size-limits.json
@@ -1,4 +1,4 @@
 {
-  "dist/apollo-client.min.cjs": 39229,
-  "import { ApolloClient, InMemoryCache, HttpLink } from \"dist/index.js\" (production)": 32616
+  "dist/apollo-client.min.cjs": 39245,
+  "import { ApolloClient, InMemoryCache, HttpLink } from \"dist/index.js\" (production)": 32630
 }
diff --git a/src/link/http/__tests__/HttpLink.ts b/src/link/http/__tests__/HttpLink.ts
@@ -1940,6 +1940,10 @@ describe("HttpLink", () => {
         "Content-Type: application/json",
         "",
         '{"payload":{"data":{"aNewDieWasCreated":{"die":{"color":"blue","roll":2,"sides":5}}}}}',
+        "---",
+        "Content-Type: application/json",
+        "",
+        '{"payload": null}',
         "-----",
       ].join("\r\n");
 

diff --git a/src/link/http/parseAndCheckHttpResponse.ts b/src/link/http/parseAndCheckHttpResponse.ts
@@ -84,6 +84,9 @@ export async function readMultipartBody<
           if (isApolloPayloadResult(result)) {
             let next = {};
             if ("payload" in result) {
+              if (Object.keys(result).length === 1 && result.payload === null) {
+                return;
+              }
               next = { ...result.payload };
             }
             if ("errors" in result) {