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reactjs - React Native - __DEV__ is not defined

I have a [email protected] project. I have deleted the node_modules folder and after i have given the following commands:

npm i
react-native upgrade

but I get this error:

react-native.js:15 

ReferenceError: __DEV__ is not defined

How do I fix?

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by (71.8m points)

Adding

/* global __DEV__ */

To the top of the file worked for me.


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