Follow this guide to get your personnal access token dedicated to GitHub package registry: Creating a personal access token for the command line

Add your token to ~/.npmrc like so:

//npm.pkg.github.com/:_authToken=YOURTOKENHERE

If you want to use Github Actions on a project using this package, you need to set the registry authentication in the test:

  - name: NPM Authentication
    run: echo "//npm.pkg.github.com/:_authToken=${{ secrets.GITHUB_PERSONAL_TOKEN }}" >> ~/.npmrc

Note that you need to give a personnal token to your repository settings (Settings > Secrets) in order to use the secrets object in your workflow files.

If the project doesn't have a .npmrcat its root yet, create one and add the following line. Simply add the line if the project already has one:

@codeur:registry=https://npm.pkg.github.com

Then install the package using npm or yarn

npm install @codeur/eslint-config eslint
or
yarn add @codeur/eslint-config eslint

Run the following command

yarn add @codeur/eslint-config --registry https://npm.pkg.github.com/

Add the config to ESLint config file .eslintrc.js

module.exports = {
  extends: [
    "@codeur"
  ]
}

To publish a newer version of the package, update version number in package.json run npm publish