npm install removes all modules

[ghost]

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What's going on?
When I hit npm install --save react-native-vector-icons, it removes all modules and the whole app breaks. I don't know how to fix this :(
I get this after npm installing: added 2 packages, removed 717 packages and updated 61 packages in 41.429s

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Steps to reproduce

I installed ignite with ignite new ignite4 (because I f***ed up so many times)

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ignite doctor results:

System
platform win32
arch x64
cpu 4 cores Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
directory C:\Users\karse\js\ignite4

JavaScript
node 8.1.3 C:\Program Files\nodejs\node.EXE
npm 5.0.4 C:\Program Files\nodejs\npm.CMD
yarn 0.27.5 C:\Program Files (x86)\Yarn\bin\yarn.CMD

React Native
react-native-cli 2.0.1

Ignite
ignite 2.0.0 C:\Users\karse\AppData\Roaming\npm\ignite.CMD

Android
java - C:\ProgramData\Oracle\Java\javapath\java.EXE
android home - C:\Users\karse\AppData\Local\Android\sdk

[ghost]

Hmmmmm I might have found the problem...

Am I supposed to use yarn instead of npm?

If so, why?

I just hit yarn install and now it did install 740 packages or so...

Why doesn't npm work?

[skellock]

Good question. I've heard about as well. Is it this issue?

Not quite sure what's going on.

Give yarn a shot and see if the results are less rage-inducing.

[ghost]

Thanks. Yeah. Yarn seems to work fine! :)

[skellock]

Ya, npm 5 is having a few problems. Sounds like they're fixing it and should be available soon.

[xwartz]

@skellock Have they fixed it?

[skellock]

I’m not sure what their status is. Not having issues here tho. 🤞

[akuma06]

I had this issue today. Everything worked fine after a new ignite app initialization. Then I wanted to add js-base64 module with a npm install: it broke everything 😢. Will try with yarn if it solves it.