Too Long; Didn't Read
When you are new to programming, you’re focused on making your code work, not on making it look pretty. Many projects have even formal style guides, explaining how those things should be done in the project. But we don’t have to study the style guides anymore; we have tools that apply them automatically to our codebase. Prettier is widespread in the JS community: it’s used by core teams of React, Vue, Ember and Angular.