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How to review an AI-generated React Native pull request
Start with the change itself: identify the files and assumptions behind it, then match each claim of correctness to evidence. A passing test is useful only for the behavior it exercises; JavaScript checks cannot establish that a native integration works on iOS and Android.
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- Read the changed files and note the user flow and platforms they affect.
- Check project compatibility, types, security, and accessibility in the code.
- Run the repository’s existing static checks and tests; do not assume the pull request ran them just because it says so.
- Exercise affected flows on the relevant simulator, emulator, or device, and use native tools where the change reaches native code.
- Record what was tested and what remains unverified before approval.
These checks address common review risks in generated code. The React Native documentation cited below describes general React Native behavior; it does not establish an AI-specific defect rate.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errors1. Does the code fit this repository’s React Native version?
Compare imports, APIs, dependencies, and configuration with the app’s actual React Native release and existing setup. An API that looks plausible in a current example can still be incompatible with the version or dependency set in this repository.
#1 Best Overall
- Check package manifests and lockfiles alongside new imports and configuration changes.
- Look for dependencies whose versions conflict with packages already in use.
- Verify APIs against documentation for the app’s target version rather than accepting familiarity as proof.
React Native’s TypeScript guidance cautions that dependency versions may need to match the packages already used by a project. Confirm version-sensitive details against the target release.
2. Do types and static checks reveal unsafe assumptions?
Run the project’s configured type checker and linter, then inspect how the change handles uncertainty. A clean type check is evidence about the code covered by that check, not proof of runtime correctness.
- Review new uses of
any, unsafe casts, non-null assertions, and suppressed diagnostics. Ask what validation or invariant makes each one safe. - Check JavaScript files that cross a TypeScript boundary. React Native notes that
.jsxfiles are not typechecked by TypeScript. - Use the scripts and configuration already in the repository; do not infer success from an unverified summary.
3. Could the change expose secrets or persist sensitive data insecurely?
Inspect changed code and configuration for embedded API keys, credentials, tokens, or other sensitive values. React Native’s Security documentation says, “Never store sensitive API keys in your app code.” Values bundled into an app can be inspected, so server credentials belong on a server-side layer rather than in the client bundle.
Rank #2
- Check whether sensitive data is written to logs, bundled constants, or persistent storage.
- Do not treat Async Storage as secure storage: React Native documents that it is unencrypted and should not hold tokens or secrets.
- For each persisted value, identify its sensitivity and choose storage accordingly; avoid adding a secret merely to make a client request work.
4. Has behavior been checked separately on iOS and Android?
Shared JavaScript does not guarantee identical behavior on both platforms. Inspect permissions, navigation and back behavior, native modules, layout, and platform-sensitive component properties wherever the change touches them.
- Confirm which supported platforms and OS behaviors the change affects.
- Review any
Platform-based branching or platform-specific files, including.iosand.androidimplementations, for consistent user outcomes. - Run the affected flow on each relevant platform rather than treating one successful run as cross-platform evidence.
React Native supports platform-specific implementations because some behavior legitimately differs. The review question is whether each difference is intentional and verified.
5. Can people use the interface with screen readers and assistive input?
Check interactive controls and important flows from the perspective of someone using VoiceOver or TalkBack, not only by looking at the screen.
Rank #3
- Verify that controls expose a useful accessible label, role, and state.
- Check focus order and whether related elements are grouped sensibly.
- Exercise the important flow with VoiceOver on iOS and TalkBack on Android, on the platforms the app supports.
React Native documents accessibility APIs and notes that iOS and Android approaches differ. A property that looks correct in code is not a substitute for checking how the screen reader announces and traverses the interface.
6. Do the tests exercise user behavior, or just implementation details?
Review what each test observes. React Native recommends component tests from the user’s perspective, including visible output and interactions, but those tests run in Node and do not execute the native iOS or Android code.
- Look for assertions about what users see and can do, including meaningful edge cases for the changed flow.
- Inspect generated snapshots instead of approving them mechanically. A snapshot can encode incorrect output as the accepted baseline.
- For vital flows or native integrations, consider end-to-end coverage against the running app on a device, simulator, or emulator.
| Validation approach | What it can help establish | Important limit |
|---|---|---|
| Type checking and linting | Whether configured static checks pass for covered files and rules | Does not prove runtime behavior; React Native notes that .jsx files are not typechecked by TypeScript. |
| Component tests | JavaScript logic and user-visible component behavior | Run in Node and do not exercise native iOS or Android code. |
| End-to-end tests | A user-perspective check against an app running on a device or simulator/emulator | React Native’s testing guidance describes them as slower and more prone to flakiness than component tests. |
Choose coverage based on the risk: component tests can efficiently check UI behavior, while a critical native or cross-platform flow needs evidence from the running app. React Native’s testing documentation names Detox, Appium, and Maestro as end-to-end options.
Rank #4
7. Is performance supported by release-build evidence?
Do not use a development-mode run as the basis for a performance conclusion. React Native warns that development mode can materially affect JavaScript-thread performance and recommends checking performance in a release build.
- Look for expensive work during rendering, excessive logging, and long tasks on the JavaScript thread.
- Use React Native DevTools traces where available to investigate observed performance issues.
- Check whether the relevant DevTools performance features are available for the app’s React Native version.
A review can flag suspicious work, but a claim that the change is fast needs measurements from the relevant release-build scenario.
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8. What does the user see while data is loading, missing, or unavailable?
Trace the screen through delayed, empty, rejected, and unavailable data—not just the successful response. Confirm that each state is understandable and offers a useful next step where appropriate.
- Check that loading does not leave the user facing a blank or misleading screen.
- Review empty results, failed requests, and loss of network availability as distinct cases.
- Where useful, inspect request and response behavior in DevTools rather than relying only on the rendered screen.
React Native DevTools’ documented network inspection covers fetch(), XMLHttpRequest, and <Image>; it does not cover every library or event type. An empty DevTools network view therefore does not establish that no other networking mechanism is involved.
9. Do navigation and native integrations work across the full journey?
Follow the user from entry through success, cancellation, failure, and return. A single happy-path tap-through can miss broken back behavior, stranded screens, or native handoffs that fail only outside the primary route.
- Exercise the relevant navigation and back paths on each affected platform.
- Check native modules and platform-layer changes with the appropriate Android Studio or Xcode tooling.
- Use React Native DevTools for React app inspection, but do not treat it as a replacement for native debugging tools.
Tool availability is version-sensitive: check the target release before relying on a particular DevTools feature.
10. Is the review evidence specific about what remains unverified?
Ask the author or agent to identify assumptions, changed files, tests actually run, and behavior not yet checked. Review the evidence against the change’s risk rather than treating a confident summary or green test suite as blanket proof.
- Match each reported test to the behavior it covers and note platform gaps.
- Inspect snapshots and generated fixtures for correctness instead of accepting changed baselines automatically.
- Make unverified native, accessibility, device, or release-performance behavior visible in the review decision.
No AI-specific React Native defect statistic is established by the sources cited here, so these ten checks should not be read as measured failure frequencies.
What evidence should be enough to approve?
Approval should reflect the risk and scope of the change. Static checks and component tests can support a review of JavaScript-level behavior, but changes involving native code, platform differences, screen-reader behavior, or a vital user journey call for evidence from the relevant running platform. Keep the conclusion narrow: state what was checked and leave untested behavior unclaimed.
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