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fix(0.81): fix react-native modules/components duplication #2818

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fix(0.81): fix react-native modules/components duplication #2818

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b414b4b
fix(codegen): fix react-native modules/components duplication
gabrieldonadel Jan 22, 2026
2d2e37f
Update snapshot
gabrieldonadel Jan 22, 2026
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8 changes: 4 additions & 4 deletions ...t-native/scripts/codegen/__tests__/__snapshots__/generate-artifacts-executor-test.js.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -361,7 +361,7 @@ exports[`execute test-app "ReactAppDependencyProvider.podspec" should match snap
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

version = \\"0.81.0-rc0\\"
version = \\"0.81.0\\"
source = { :git => 'https://github.com/facebook/react-native.git' }
if version == '1000.0.0'
# This is an unpublished version, use the latest commit hash of the react-native repo, which we’re presumably in.
Expand Down Expand Up @@ -399,7 +399,7 @@ exports[`execute test-app "ReactCodegen.podspec" should match snapshot 1`] = `
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

version = \\"0.81.0-rc0\\"
version = \\"0.81.0\\"
source = { :git => 'https://github.com/facebook/react-native.git' }
if version == '1000.0.0'
# This is an unpublished version, use the latest commit hash of the react-native repo, which we’re presumably in.
Expand Down Expand Up @@ -840,7 +840,7 @@ exports[`execute test-app-legacy "ReactAppDependencyProvider.podspec" should mat
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

version = \\"0.81.0-rc0\\"
version = \\"0.81.0\\"
source = { :git => 'https://github.com/facebook/react-native.git' }
if version == '1000.0.0'
# This is an unpublished version, use the latest commit hash of the react-native repo, which we’re presumably in.
Expand Down Expand Up @@ -878,7 +878,7 @@ exports[`execute test-app-legacy "ReactCodegen.podspec" should match snapshot 1`
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

version = \\"0.81.0-rc0\\"
version = \\"0.81.0\\"
source = { :git => 'https://github.com/facebook/react-native.git' }
if version == '1000.0.0'
# This is an unpublished version, use the latest commit hash of the react-native repo, which we’re presumably in.
Expand Down
36 changes: 35 additions & 1 deletion packages/react-native/scripts/codegen/generate-artifacts-executor/utils.js
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Expand Up @@ -372,7 +372,7 @@ function parseiOSAnnotations(
) /*: {[string]: $FlowFixMe} */ {
const mLibraryMap = {} /*:: as {[string]: $FlowFixMe} */;
const cLibraryMap = {} /*:: as {[string]: $FlowFixMe} */;
const map = {};
const map = {} /*:: as {[string]: $FlowFixMe} */; // [macOS]

for (const library of libraries) {
const iosConfig = library?.config?.ios;
Expand Down Expand Up @@ -406,6 +406,40 @@ function parseiOSAnnotations(
}
}
}
// [macOS
// Allow react-native-macos to override react-native modules/components
const isAllowedOverride = (libraryNames /*: Set<string> */) => {
const names = Array.from(libraryNames);
return (
names.length === 2 &&
names.includes('react-native') &&
names.includes('react-native-macos')
);
};

// Merge entries with react-native-macos taking precedence over react-native
for (const [moduleName, libraryNames] of Object.entries(mLibraryMap)) {
if (isAllowedOverride(libraryNames)) {
// Remove the module from react-native, keep only react-native-macos
if (map['react-native']?.modules?.[moduleName]) {
delete map['react-native'].modules[moduleName];
}
// Update the library map to only contain react-native-macos
mLibraryMap[moduleName] = new Set(['react-native-macos']);
}
}

for (const [componentName, libraryNames] of Object.entries(cLibraryMap)) {
if (isAllowedOverride(libraryNames)) {
// Remove the component from react-native, keep only react-native-macos
if (map['react-native']?.components?.[componentName]) {
delete map['react-native'].components[componentName];
}
// Update the library map to only contain react-native-macos
cLibraryMap[componentName] = new Set(['react-native-macos']);
}
}
// macOS]

const moduleConflicts = Object.entries(mLibraryMap)
.filter(([_, libraryNames]) => libraryNames.size > 1)
Expand Down
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