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I have installed react native using ::

expo init AwesomeProject

Everything works fine, untill I install and NPM package. I created three pages without installing new package. When I installed Vector icons for react native using ::

npm i react-native-vector-icons

I get alots of warning when Command is done ::

npm WARN [email protected] requires a peer of react-native@* but none is installed. You must install peer dependencies yourself.

npm WARN [email protected] requires a peer of react-native@* but none is installed. You must install peer dependencies yourself.

npm WARN [email protected] requires a peer of react-native@* but none is installed. You must install peer dependencies yourself.

npm WARN [email protected] requires a peer of react-native@* but none is installed. You must install peer dependencies yourself.

npm WARN [email protected] requires a peer of react-native@* but none is installed. You must install peer dependencies yourself.

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

But package seems to be installed ::

  • [email protected] added 47 packages from 29 contributors, removed 329 packages, updated 658 packages and audited 21565 packages in 83.604s found 0 vulnerabilities

After that When I run :: expo start I Get following error ::

[16:19:03] Error: React native is not installed. Please run `npm install` in your project directory.
[16:19:03] Couldn't start project. Please fix the errors and restart the project.

Now as per error i ran npm install and then expo start.

everything seems to be fine, project starts running on expo emulator. BUT when I edit anything and save it produces another error ::

Error
16:25
undefined
Error
16:25
Building JavaScript bundle: error
Info
16:25
Building JavaScript bundle: 99%

and emulator turns red with unclear error as in screenshot attached: Is there any mistake I made that produced that error. Please let me know the fix so that I can install npm packages run with react native. Help appriciated

enter image description here

Maninder Singh
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2 Answers2

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Possible solutions may work.

I.Try to restart the node server which is hosting the app, right now.

II. Delete node_modules then npm install.

III. Reset the cache npm start -- --reset-cache.

IV. Remove react-native-vector-icons from package.json and try with npm install react-native-vector-icons --save

Sateesh Yemireddi
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  • Thank you for your reply @Sateesh. I have tried deleting and running command again. reset cache as well. I will try the last one. – Maninder Singh Nov 29 '18 at 07:59
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Quick solution add --save to your command :

npm install --save react-native-vector-icons

why you need --save :

What is the --save option for npm install?

yassine guadina
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