Rails.vim 5 projections.json configuration for our projects. http://robots.thoughtbot.com/post/50107717967/extending-rails-vim-with-custom-commands

config-projections.json

{
  "app/models/*.rb": {
    "command": "model",
    "affinity": "model",
    "alternate": ["unit/models/%s_spec.rb", "spec/models/%s_spec.rb"],
    "related": "db/schema.rb#%p",
    "template": "class %S\nend"
  },

  "spec/factories/*_factory.rb": {
    "command": "factory",
    "affinity": "model",
    "related": "app/models/%s.rb",
    "template": "FactoryGirl.define do\n  factory :%s do\n  end\nend"
  },

  "app/presenters/*_presenter.rb": {
    "command": "presenter",
    "affinity": "model",
    "alternate": ["unit/presenters/%s_presenter_spec.rb", "spec/presenters/%s_presenter_spec.rb"],
    "related": "app/models/%s.rb",
    "template": "class %SPresenter\nend"
  },
  "app/presenters/application_presenter.rb": { "command": "presenter" },
  
  "app/views/documents/*.html.slim": { "related": "app/documents/%s.rb" },
  "app/documents/*.rb": { "related": "app/views/documents/%s.html.slim" },

  "app/assets/javascripts/*.js.coffee": { "alternate": "spec/javascripts/%s_spec.js.coffee" },
  "spec/javascripts/*_spec.js.coffee": { "alternate": "app/assets/javascripts/%s.js.coffee" },
  
  "config/locales/*sv.yml": { "alternate": "%sen.yml" },
  "config/locales/*en.yml": { "alternate": "%ssv.yml" },

  "lib/*.rb": { "alternate": "unit/lib/%s_spec.rb" },
  "unit/lib/*_spec.rb": { "alternate": "lib/%s.rb" },
  "unit/*_spec.rb": { "alternate": "app/%s.rb" },

  "spec/engines/*_spec.rb": { "alternate": "engines/%s.rb" },
  "unit/engines/*_spec.rb": { "alternate": "engines/%s.rb" },
}