The buildModules option

The buildModules option is used to register built-only modules – modules that are required only for development and build time in your app. In this book, note that we will only leverage some modules from the Nuxt community and create the custom ones that are needed during the Node.js runtime in Chapter 6, Writing Plugins and Modules. But for more information about the buildModules option and the built-only modules for build-time only, please visit https://nuxtjs.org/guide/modules#build-only-modules.