Module not found if installed in a parent folder package.json

[SandroMachado]

Description

I have a project with more than one package and I want to be able to install a set of dependencies for all the packages. For that I have defined the following project structure:

root
  mainfolder
    package.json
    node_modules
    packages
      react-native-app
        package.json
        node_modules
        index.js
      ....

I want to do something like add lodash in the mainfolder package.json and I want to be able to access to it in index.js of the react-native-app without add it to the package.json inside the react-native-app folder. AFAIK it should work, and for the error log, the packager search in those directories, but it does not find them.

I am getting the following error in the app screen:

Unable to resolve module `lodash` from `/Users/xxx/Desktop/xxx/xxx-app/packages/mobile/src/index.js`: Module does not exist in the module map or in these directories:
  /Users/xxx/Desktop/xxx/xxx-app/packages/mobile/node_modules
,   /Users/xxx/Desktop/xxx/xxx-app/node_modules

This might be related to https://github.com/facebook/react-native/issues/4968
To resolve try the following:
  1. Clear watchman watches: `watchman watch-del-all`.
  2. Delete the `node_modules` folder: `rm -rf node_modules && npm install`.
  3. Reset packager cache: `rm -fr $TMPDIR/react-*` or `npm start -- --reset-cache`.
......

I have confirmed that the module is installed in the parent node_modules folder but the packager is not able to find it. Any thoughts on how to fix this? Am I missing something?

Additional Information

• React Native version: 0.44.0
• Platform: both
• Development Operating System: macOS

[skevy]

Hi there!

The packager no longer lives in this repo. It now lives in https://github.com/facebook/metro-bundler. The reasoning for the split is explained here: #13976.

If you're still interested in pursuing this issue, please open an issue on that repo! :)

Thanks!
-Adam