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Showing content from https://github.com/iftheshoefritz/solargraph-rails below:

iftheshoefritz/solargraph-rails: Solargraph plugin to add awareness of Rails-specific code

Consider pair of typical Rails models like this:

rails g model Author lastname:string firstnames:string
rails g model Book title:string isbn:string author:belongs_to

class Author < ApplicationRecord
  has_many :books

  def sortable_name
    "#{lastname}, #{firstnames}"
  end
end

class Book < ApplicationRecord
  belongs_to :author

  def label
    [author.sortable_name, title, isbn].join("\n")
  end
end

The various Ruby intellisense tools are ok at knowing that there are Book and Author constants, and some (including Solargraph) are aware that objects like Book.new have a .label method. But what about those "magical" dynamic methods that ActiveRecord creates like .title, or .author?

Since these attributes are only created at runtime, a simple static analysis of the Book class alone can't identify them. Your editor has no idea that these attributes exist, but they're amongst the most common things that you will work with in any Rails app.

That's where this plugin for Solargraph comes in: it understands db/schema.rb and any comments from the annotate_models gem for models, and also supplies key annotations and Rails-specific context on top of what Solargraph pulls via YARD and RBS. As a result, you have access to database attributes:

... and ActiveRecord finders:

... and associations:

... and routes file syntax:

and more!

If you add them to your Gemfile, you'll have to tell your IDE plugin to use bundler to load the right version of solargraph.

Use gem_rbs_collection to install RBS types for Rails:

rbs collection init
rbs collection install

(if you don't have a .solargraph.yml in your project root, you can run solargraph config to add one)

plugins:
  - solargraph-rails

In the project root, run yard gems.

Bug reports and pull requests are welcome on GitHub at https://github.com/iftheshoefritz/solargraph_rails.

1. create fork and clone the repo

2. install gem deps bundle install

3. install dummy rails app deps:

cd spec/rails7 && bundle install && rbs collection init && rbs collection install && cd ../../
cd spec/rails8 && bundle install && rbs collection init && rbs collection install && cd ../../

1. now tests should pass locally and you can try different changes

2. submit PR

See DEVELOPMENT.md for more information

The gem is available as open source under the terms of the MIT License.

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