Question 35213 in React native Question posted in
The official React Native documentation can be found here.

Unable to resolve module fs – react-native-dotenv – React native

I am doing an online course about React-Native and Firebase but I came across an error.

Here it is : Error: Unable to resolve module fs from Documents/code/ChatApp/node_modules/react-native-dotenv/index.js:

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I’ve seen responses that fs is not available on react-native, is that true ?

Why install a package so that in the end it can’t be used?

thank you in advance for your answers

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3

Answers


  1. 0

    No, fs is not available in React Native. You can use the react-native-fs package instead.

    https://github.com/itinance/react-native-fs

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  2. 0

    That online course might be referring to old version of react-native-dotenv. To make it work with the new version, make these minor changes to your code as explained in this wiki. No need to install fs.

    1. If you have a code like this
    import { API_URL, API_TOKEN } from 'react-native-dotenv';

    change it to

    import { API_URL, API_TOKEN } from '@env';
    1. Make sure module:react-native-dotenv is present in babel.config.js file. Example –
    module.exports = {
  presets: ["module:metro-react-native-babel-preset"],
  plugins: [
    "module:react-native-dotenv",
    ...
  ]
};
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  3. 0

    react-native-dotenv author here: reinstall the library as a dev dependency

    npm i -D react-native-dotenv
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