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docs(reconciler): link uncached promise dev warning to use() docs #36312

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47df5e0
docs(reconciler): link uncached promise dev warning to use() docs
ViperDroid Apr 17, 2026
8fc933f
Merge branch 'main' into docs/add-react-use-link-uncached-promise-war…
ViperDroid Apr 17, 2026
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4 changes: 2 additions & 2 deletions packages/react-reconciler/src/ReactFiberThenable.js
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Original file line number Diff line number Diff line change
Expand Up @@ -141,11 +141,11 @@ export function trackUsedThenable<T>(
// granular warnings.
thenableStateDev.didWarnAboutUncachedPromise = true;

// TODO: This warning should link to a corresponding docs page.
console.error(
'A component was suspended by an uncached promise. Creating ' +
'promises inside a Client Component or hook is not yet ' +
'supported, except via a Suspense-compatible library or framework.',
'supported, except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use',
);
}
}
Expand Down
7 changes: 7 additions & 0 deletions packages/react-reconciler/src/__tests__/ReactSuspenseList-test.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3574,6 +3574,7 @@ describe('ReactSuspenseList', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in Foo (at **)',
]);
});
Expand Down Expand Up @@ -3630,11 +3631,13 @@ describe('ReactSuspenseList', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in SuspenseList (at **)\n' +
' in Foo (at **)',
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in SuspenseList (at **)\n' +
' in Foo (at **)',
]);
Expand All @@ -3654,11 +3657,13 @@ describe('ReactSuspenseList', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in SuspenseList (at **)\n' +
' in Foo (at **)',
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in SuspenseList (at **)\n' +
' in Foo (at **)',
]);
Expand All @@ -3678,6 +3683,7 @@ describe('ReactSuspenseList', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in SuspenseList (at **)\n' +
' in Foo (at **)',
]);
Expand Down Expand Up @@ -3733,6 +3739,7 @@ describe('ReactSuspenseList', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in Foo (at **)',
]);
});
Expand Down
32 changes: 32 additions & 0 deletions packages/react-reconciler/src/__tests__/ReactUse-test.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. Creating ' +
'promises inside a Client Component or hook is not yet ' +
'supported, except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
assertLog(['ABC']);
Expand Down Expand Up @@ -427,10 +428,12 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. Creating ' +
'promises inside a Client Component or hook is not yet ' +
'supported, except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
'A component was suspended by an uncached promise. Creating ' +
'promises inside a Client Component or hook is not yet ' +
'supported, except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
assertLog([
Expand Down Expand Up @@ -604,6 +607,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('Async');
Expand Down Expand Up @@ -653,6 +657,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('Async');
Expand Down Expand Up @@ -915,6 +920,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in ExcitingText (at **)',
]);

Expand Down Expand Up @@ -959,6 +965,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in Kitchen (at **)',
]);

Expand All @@ -980,6 +987,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in Kitchen (at **)',
]);

Expand All @@ -1001,6 +1009,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in Kitchen (at **)',
]);
expect(root).toMatchRenderedOutput('banana dill');
Expand Down Expand Up @@ -1035,6 +1044,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in Lexicon (at **)',
]);
expect(root).toMatchRenderedOutput('aguacate abogado');
Expand All @@ -1055,6 +1065,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in Lexicon (at **)',
]);
expect(root).toMatchRenderedOutput('aguacate avocat');
Expand Down Expand Up @@ -1200,6 +1211,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in AsyncText (at **)',
]);
expect(root).toMatchRenderedOutput('A(Loading B...)');
Expand All @@ -1226,6 +1238,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in AsyncText (at **)',
]);
expect(root).toMatchRenderedOutput('AB(Loading C...)');
Expand All @@ -1244,6 +1257,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in AsyncText (at **)',
]);
expect(root).toMatchRenderedOutput('ABC');
Expand Down Expand Up @@ -1279,10 +1293,12 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('A1');
Expand Down Expand Up @@ -1332,6 +1348,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('Hi');
Expand Down Expand Up @@ -1367,6 +1384,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('Hi');
Expand Down Expand Up @@ -1424,6 +1442,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('A');
Expand All @@ -1439,6 +1458,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('B');
Expand Down Expand Up @@ -1657,6 +1677,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('Async');
Expand Down Expand Up @@ -1691,6 +1712,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('Async');
Expand All @@ -1716,6 +1738,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput('Async!');
Expand Down Expand Up @@ -1777,10 +1800,12 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);
expect(root).toMatchRenderedOutput(
Expand Down Expand Up @@ -1969,6 +1994,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in AsyncClientComponent (at **)',
]);
},
Expand Down Expand Up @@ -2002,10 +2028,12 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in AsyncClientComponent (at **)',
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in AsyncClientComponent (at **)',
]);
});
Expand Down Expand Up @@ -2044,6 +2072,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);

Expand All @@ -2054,6 +2083,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in App (at **)',
]);

Expand Down Expand Up @@ -2095,6 +2125,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in div (at **)\n' +
' in App (at **)',
]);
Expand All @@ -2106,6 +2137,7 @@ describe('ReactUse', () => {
'A component was suspended by an uncached promise. ' +
'Creating promises inside a Client Component or hook is not yet supported, ' +
'except via a Suspense-compatible library or framework.\n' +
'See https://react.dev/reference/react/use\n' +
' in div (at **)\n' +
' in App (at **)',
]);
Expand Down