Modern Front-End Development for Rails, 2nd Edition

Basic Assumptions

Rails is an opinionated framework, and this is an opinionated book. Being opinionated means that Rails makes certain tasks easier if you are willing to structure your program the way the Rails core team thinks you should. For this book, being opinionated means not trying to show you every possible way Rails and JavaScript can combine, but instead focusing on the tools I think will be most useful. Perhaps the most important opinion is that we’re going to use JavaScript to enhance a mostly server-side Rails application rather than use JavaScript to build a completely separate single-page application (SPA) that only uses Rails as an application programming interface (API).

My basic argument for not writing an SPA is that between ...