How to publish npm package locally for testing

Steps to publish npm locally.

First of all you have your package ready to publish.
If you are using this for older version of react-native with older npm then you may need to link it manually by executing. If you are using the latest react-native then you have to use the autolinking as new npm does not have any link command anymore (reference below about autolinking).
- npm link {package_name}
If you are using local repository hosted by CNPM, local-npm, etc. then you need to change the registry which npm is pointing to with the command below. Note: Skip this step if you are not using local repository.
- npm set registry {http://localhost:[port]}
Generate a tar file by executing this command
- npm pack
Now change your directory to the root directory of your test project that will use this npm package.
- npm install {path of the tar file you created in step 4}
If everything is successful then you will be able to see the package you installed in the node_modules folder.

Above is just a summary of the reference I used when working with our react-native library. For more helpful information, please refer to this link - https://medium.com/@debshish.pal/publish-a-npm-package-locally-for-testing or you can also refer to this another website - https://arjun30.medium.com/manually-adding-local-library-project-to-reactnative-app

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