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Don't prerender siblings of suspended component #26380

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merged 2 commits into from
Mar 21, 2023
Merged

Don't prerender siblings of suspended component #26380

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c9853e7
Fork completeUnitOfWork into unwind and complete
acdlite Mar 13, 2023
11133b8
Don't prerender siblings of suspended component
acdlite Mar 14, 2023
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4 changes: 0 additions & 4 deletions packages/internal-test-utils/__tests__/ReactInternalTestUtils-test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -99,13 +99,9 @@ describe('ReactInternalTestUtils', () => {
assertLog([
'A',
'B',
'C',
'D',
// React will try one more time before giving up.
'A',
'B',
'C',
'D',
]);
});

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39 changes: 24 additions & 15 deletions packages/react-cache/src/__tests__/ReactCacheOld-test.internal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -208,19 +208,19 @@ describe('ReactCache', () => {
unstable_isConcurrent: true,
},
);
await waitForAll([
'Suspend! [1]',
'Suspend! [2]',
'Suspend! [3]',
'Loading...',
]);
await waitForAll(['Suspend! [1]', 'Loading...']);
jest.advanceTimersByTime(100);
assertLog([
'Promise resolved [1]',
'Promise resolved [2]',
'Promise resolved [3]',
]);
assertLog(['Promise resolved [1]']);
await waitForAll([1, 'Suspend! [2]']);

jest.advanceTimersByTime(100);
assertLog(['Promise resolved [2]']);
await waitForAll([1, 2, 'Suspend! [3]']);

jest.advanceTimersByTime(100);
assertLog(['Promise resolved [3]']);
await waitForAll([1, 2, 3]);

expect(root).toMatchRenderedOutput('123');

// Render 1, 4, 5
Expand All @@ -232,10 +232,16 @@ describe('ReactCache', () => {
</Suspense>,
);

await waitForAll([1, 'Suspend! [4]', 'Suspend! [5]', 'Loading...']);
await waitForAll([1, 'Suspend! [4]', 'Loading...']);

jest.advanceTimersByTime(100);
assertLog(['Promise resolved [4]']);
await waitForAll([1, 4, 'Suspend! [5]', 'Loading...']);

jest.advanceTimersByTime(100);
assertLog(['Promise resolved [4]', 'Promise resolved [5]']);
assertLog(['Promise resolved [5]']);
await waitForAll([1, 4, 5]);

expect(root).toMatchRenderedOutput('145');

// We've now rendered values 1, 2, 3, 4, 5, over our limit of 3. The least
Expand All @@ -254,11 +260,14 @@ describe('ReactCache', () => {
1,
// 2 and 3 suspend because they were evicted from the cache
'Suspend! [2]',
'Suspend! [3]',
'Loading...',
]);
jest.advanceTimersByTime(100);
assertLog(['Promise resolved [2]', 'Promise resolved [3]']);
assertLog(['Promise resolved [2]']);
await waitForAll([1, 2, 'Suspend! [3]', 'Loading...']);

jest.advanceTimersByTime(100);
assertLog(['Promise resolved [3]']);
await waitForAll([1, 2, 3]);
expect(root).toMatchRenderedOutput('123');
});
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