Code style is an important topic for developers. When you code for yourself, it might be alright to violate best practices. However, in a team of developers you have to have a common code style. You should follow the same rules to make your code look alike. It helps others developers to read your code. It helps people to navigate in a new code base. ESLint in JavaScript helps you to set up rules and to enforce code style.
This will provides all usefull Airbnb's .eslintrc rules for your usage.
Go to rules.json and copy all the configurations and replace with your configurations.
Go to rules.js and copy all the configurations and replace with your configurations.