https://www.vuemastery.com/courses/coding-better-composables/what-is-a-composable/

Composables are, by far, the best way to organize business logic in your Vue 3 app.

They let you extract small pieces of logic into functions that you can easily reuse repeatedly. This makes your code easier to write and read.

Since this way of writing Vue code is relatively new, you might be wondering what the best practices are when writing composables. This course will serve as your guide on how to craft solid composables that you and your team can rely on.