TypeError: Cannot read property 'reduce' of undefined
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Description
When I was Trying to build the react-native project using npx react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle, it gives me something this type of error:
error Cannot read property 'reduce' of undefined.
TypeError: Cannot read property 'reduce' of undefined
at resolveDependencies (C:\Users\souvi\viqud\viqud-app\node_modules\metro\sr
c\DeltaBundler\traverseDependencies.js:644:33)
at C:\Users\souvi\viqud\viqud-app\node_modules\metro\src\DeltaBundler\traver
seDependencies.js:329:33
at Generator.next ()
at asyncGeneratorStep (C:\Users\souvi\viqud\viqud-app\node_modules\metro\src
\DeltaBundler\traverseDependencies.js:137:24)
at _next (C:\Users\souvi\viqud\viqud-app\node_modules\metro\src\DeltaBundler
\traverseDependencies.js:159:9)
at runNextTicks (node:internal/process/task_queues:61:5)
at processTimers (node:internal/timers:497:9)
info Run CLI with --verbose flag for more details.
Please give me a solution how to solve it.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the Android bundle command and inspect resolveDependencies in metro/src/DeltaBundler/traverseDependencies.js around the reported failure. Determine which dependency value is undefined and confirm that the same command completes successfully after the fix.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, react-native
- Domain
- build-system, mobile
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100