Setting up Rails with React and JestReact is Awesome! Rails is Awesome! Jest is awesome! Using Jest with React in Rails should be Awesome Cubed... and yet it seems so difficult. Recently, the author was in a position where a legacy project wanted to redesign the front-end while keeping the Rails backend. The project decided to go with a React based redesign phased in, piecemeal, over time. Eventually the old JavaScript would just d
