Bumping the array count is not needed for Blobs

Author: unstubbable

packages/react-server-dom-webpack/src/__tests__/ReactFlightDOMReply-test.js

@@ -757,29 +757,4 @@ describe('ReactFlightDOMReply', () => {
     }
     expect(error.message).toContain('Referenced Blob is not a Blob.');
   });
-
-  it('cannot deserialize nested arrays with Blob references exceeding the size limit', async () => {
-    const formData = new FormData();
-    formData.set('1', new Blob([new Uint8Array(400_000)]));
-    const n = 15;
-    formData.set('2', JSON.stringify(['$B1', '$B1', '$B1']));
-    for (let i = 3; i < n; i++) {
-      formData.set(
-        String(i),
-        JSON.stringify([
-          '$' + (i - 1).toString(16),
-          '$' + (i - 1).toString(16),
-          '$' + (i - 1).toString(16),
-        ]),
-      );
-    }
-    formData.set('0', JSON.stringify('$' + (n - 1).toString(16)));
-    let error;
-    try {
-      await ReactServerDOMServer.decodeReply(formData, webpackServerMap);
-    } catch (x) {
-      error = x;
-    }
-    expect(error.message).toContain('Maximum array nesting exceeded');
-  });
 });

packages/react-server/src/ReactFlightReplyServer.js

@@ -1810,9 +1810,6 @@ function parseModelString(
         if (!(backingEntry instanceof Blob)) {
           throw new Error('Referenced Blob is not a Blob.');
         }
-        if (arrayRoot !== null) {
-          bumpArrayCount(arrayRoot, backingEntry.size, response);
-        }
         return backingEntry;
       }
       case 'R': {