react / react/metro

TypeError: Cannot read property 'reduce' of undefined

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Dominant language
JavaScript
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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

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. 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

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