I'm getting an error in the following lines:
# layouts/application.erb
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track' => 'reload' %>
<%= javascript_include_tag 'application', 'data-turbolinks-track' => 'reload' %>
It raises: SyntaxError: [stdin]:1:1: reserved word 'var'
It happened after installing Angular 2 using $ npm install
Just fixed by requiring only required files in application.js
//= require node_modules/angular2/bundles/angular2-polyfills
//= require node_modules/systemjs/dist/system.src
//= require node_modules/rxjs/bundles/Rx
//= require node_modules/angular2/bundles/angular2.dev
//= require_tree ./app