Set up sorbet

Author: peterzhu2118

.github/workflows/main.yml

@@ -23,5 +23,7 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
-    - name: Run the default task
+    - name: Run tests
       run: bundle exec rake
+    - name: Run typecheck
+      run: bundle exec srb tc

.rubocop.yml

@@ -1,7 +1,9 @@
 inherit_gem:
   rubocop-shopify: rubocop.yml
 
-require: rubocop-minitest
+require:
+  - rubocop-minitest
+  - rubocop-sorbet
 
 AllCops:
   SuggestExtensions: false

bin/tapioca

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'tapioca' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+bundle_binstub = File.expand_path("bundle", __dir__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300).include?("This file was generated by Bundler")
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("tapioca", "tapioca")

lib/shopify_ruby_definitions.rb

@@ -1,3 +1,4 @@
+# typed: strong
 # frozen_string_literal: true
 
 require_relative "shopify_ruby_definitions/version"

lib/shopify_ruby_definitions/version.rb

@@ -1,3 +1,4 @@
+# typed: strong
 # frozen_string_literal: true
 
 module ShopifyRubyDefinitions

shopify-ruby-definitions.gemspec

@@ -29,6 +29,11 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_dependency("sorbet-runtime")
+
   spec.add_development_dependency("rubocop-minitest")
   spec.add_development_dependency("rubocop-shopify")
+  spec.add_development_dependency("rubocop-sorbet")
+  spec.add_development_dependency("sorbet")
+  spec.add_development_dependency("tapioca")
 end

sorbet/config

@@ -0,0 +1,4 @@
+--dir
+.
+--ignore=tmp/
+--ignore=vendor/