Configure new environment variable to allow specification of external Cypress project

Author: dmanliclic715

lib/cypress-rails/config.rb

@@ -2,17 +2,19 @@
 
 module CypressRails
   class Config
-    attr_accessor :dir, :host, :port, :base_path, :transactional_server, :cypress_cli_opts
+    attr_accessor :dir, :cy_dir, :host, :port, :base_path, :transactional_server, :cypress_cli_opts
 
     def initialize(
       dir: Env.fetch("CYPRESS_RAILS_DIR", default: Dir.pwd),
+      cy_dir: Env.fetch("CYPRESS_DIR", default: Dir.pwd),
       host: Env.fetch("CYPRESS_RAILS_HOST", default: "127.0.0.1"),
       port: Env.fetch("CYPRESS_RAILS_PORT"),
       base_path: Env.fetch("CYPRESS_RAILS_BASE_PATH", default: "/"),
       transactional_server: Env.fetch("CYPRESS_RAILS_TRANSACTIONAL_SERVER", type: :boolean, default: true),
       cypress_cli_opts: Env.fetch("CYPRESS_RAILS_CYPRESS_OPTS", default: "")
     )
       @dir = dir
+      @cy_dir = cy_dir
       @host = host
       @port = port
       @base_path = base_path

lib/cypress-rails/finds_bin.rb

@@ -4,8 +4,8 @@ module CypressRails
   class FindsBin
     LOCAL_PATH = "node_modules/.bin/cypress"
 
-    def call(dir = Dir.pwd)
-      local_path = Pathname.new(dir).join(LOCAL_PATH)
+    def call(cy_dir = Dir.pwd)
+      local_path = Pathname.new(cy_dir).join(LOCAL_PATH)
       if File.exist?(local_path)
         local_path
       else

lib/cypress-rails/launches_cypress.rb

@@ -24,12 +24,12 @@ def call(command, config)
         port: config.port,
         transactional_server: config.transactional_server
       )
-      bin = @finds_bin.call(config.dir)
+      bin = @finds_bin.call(config.cy_dir)
 
       set_exit_hooks!(config)
 
       command = <<~EXEC
-        CYPRESS_BASE_URL="http://#{server.host}:#{server.port}#{config.base_path}" "#{bin}" #{command} --project "#{config.dir}" #{config.cypress_cli_opts}
+        CYPRESS_BASE_URL="http://#{server.host}:#{server.port}#{config.base_path}" "#{bin}" #{command} --project "#{config.cy_dir}" #{config.cypress_cli_opts}
       EXEC
 
       puts "\nLaunching Cypress…\n$ #{command}\n"