First, install eslint. Then you probably want to add a plugin to your editor that shows it as you're working in your code. All the popular editors have plugins

First, install eslint. Then you probably want to add a plugin to your editor that shows it as you're working in your code. All the popular editors have plugins for this, have a look. Then you need to set a config for your project, typically through a .eslintrc.js file in the root of your project. There you specify the airbnb config. Keep in mind, if you do not use JSX you will want the airbnb base config.