Error: Cannot find module './lib/source-map-generator'

Question

I am doing a setup of react native on Mac, After doing everything mentioned in doc when I tried to make a sample project I got this error

node:internal/modules/cjs/loader:1042
  throw err;
  ^

Error: Cannot find module './lib/source-map-generator'
Require stack:
- /Users/macbook/.npm/_npx/7930a8670f922cdb/node_modules/metro-source-map/node_modules/source-map/source-map.js
- /Users/macbook/.npm/_npx/7930a8670f922cdb/node_modules/metro-source-map/src/composeSourceMaps.js
- /Users/macBook/.npm/_npx/7930a8670f922cdb/node_modules/metro-source-map/src/source-map.js
....
....
....

DayByDay · Accepted Answer · 2022-12-14 22:41:52Z

0

This StackOverflow thread accepted answer suggests removing NodeModules and then running npminstall again:

Error: Cannot find module './lib/source-map-generator'

The same accepted answer comes up in this thread: https://github.com/terinjokes/gulp-uglify/issues/174

Hope this works for you!

answered Dec 14, 2022 at 22:41

DayByDay

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5 Comments

Bilal Yaqoob Over a year ago

this is wrong answer, just see both are different errors, I am trying to create a project so where I get this node_modules, node_modules creates after project created.

DayByDay Over a year ago

Did you clone this project off of an existing GitHub repository or build it from scratch? Either way, React automatically creates a node_modules folder that is based on the package.json file. This error probably occured because of an issue installing packages. Did you try deleting the node_modules folder and running npm install again? It will reinstall the same packages based on your package.json file. This article explains Node.js Package Manager much better than I can: digitalocean.com/community/tutorials/…

DayByDay Over a year ago

Here's another helpful article that goes into detail about why you're getting your error and how to resolve it: freecodecamp.org/news/…

Bilal Yaqoob Over a year ago

there is no node_modules it happened before the files started showing, by the way I fixed it. that bug was with the npm I tried the basic create command with the --npm flag and it worked. you are sending links that have no link with this bug. and before posting the question I searched it many times.

DayByDay Over a year ago

Glad you figured out your issue. Happy coding!

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