commit to technically breaking change

Author: EskiMojo14

packages/toolkit/src/query/fetchBaseQuery.ts

@@ -302,18 +302,12 @@ export function fetchBaseQuery({
     try {
       response = await fetchFn(request)
     } catch (e) {
-      if (e instanceof DOMException && e.name === 'TimeoutError') {
-        return {
-          error: {
-            status: 'TIMEOUT_ERROR',
-            error: 'TIMEOUT_ERROR',
-          },
-          meta,
-        }
-      }
       return {
         error: {
-          status: 'FETCH_ERROR',
+          status:
+            e instanceof DOMException && e.name === 'TimeoutError'
+              ? 'TIMEOUT_ERROR'
+              : 'FETCH_ERROR',
           error: String(e),
         },
         meta,

packages/toolkit/src/query/tests/createApi.test.ts

@@ -1197,7 +1197,7 @@ describe('timeout behavior', () => {
 
     expect(result?.error).toEqual({
       status: 'TIMEOUT_ERROR',
-      error: expect.stringMatching(/^AbortError:/),
+      error: expect.stringMatching(/^TimeoutError:/),
     })
   })
 })

packages/toolkit/src/query/tests/fetchBaseQuery.test.tsx

@@ -1192,7 +1192,7 @@ describe('fetchBaseQuery', () => {
 
       expect(result?.error).toEqual({
         status: 'TIMEOUT_ERROR',
-        error: expect.stringMatching(/^AbortError:/),
+        error: expect.stringMatching(/^TimeoutError:/),
       })
     })
   })
@@ -1559,7 +1559,7 @@ describe('timeout', () => {
 
     expect(result?.error).toEqual({
       status: 'TIMEOUT_ERROR',
-      error: expect.stringMatching(/^AbortError:/),
+      error: expect.stringMatching(/^TimeoutError:/),
     })
   })
 })