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[0.87] Read both export styles from react-native.config.js #1390

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@cipolleschi

Target Branch

0.87

Link to commit or PR to be picked

react/react-native@ed76640

Description

Requesting this pick for the SwiftPM preview shipped in 0.87.

The SwiftPM dependency expansion pipeline currently reads CommonJS and named ESM exports from a library’s react-native.config.js, but silently ignores settings placed in an ESM export default. Libraries using that valid configuration style therefore lose their spm settings, including Swift module-name overrides and declared transitive dependencies. This can produce incorrect package graphs or delayed link failures even though the library configuration is valid. The issue was encountered through community feedback in powersync-ja/powersync-js#1076.

This commit merges default and named exports while preserving the existing named-export precedence, adds a warning when a config cannot be loaded, documents the supported forms, and includes focused unit coverage. The change is scoped to the SwiftPM config reader and was validated by the upstream tests/CI in PR #58034.

Activity

  1. github-actions commented on Aug 24, 2026

    @github-actions

    Thank you for opening a new React Native Pick Request.

    These are the criteria we follow when accepting or rejecting a code change into a React Native release branch (source).

    If your Pick Request does not satisfy the criteria below, please close it as it will not be considered.

    ✅ Which Pick Requests we accept
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  2. cipolleschi commented on Aug 26, 2026

    @cipolleschi
    CollaboratorAuthor

    Included in for the 0.87.1 release via react/react-native@40af90018213. Closing this pick request.

  3. cipolleschi commented on Aug 26, 2026

    @cipolleschi
    CollaboratorAuthor

    Correction: included in branch 0.87-stable for the 0.87.1 release. The commit link in the previous comment is correct.

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