lib/sewing_kit/webpack/dev.rb in sewing_kit-0.7.1 vs lib/sewing_kit/webpack/dev.rb in sewing_kit-0.8.0

@@ -1,18 +1,18 @@
+# frozen_string_literal: true
 module SewingKit
   module Webpack
-    class NodeSewingKitNotInstalled < StandardError
-      def initialize()
-        super(
-          "sewing-kit is not available.  " +
-          "Please add `@shopify/sewing-kit` to package.json's `devDependencies`, " +
-          "and run  `yarn install`."
-        )
+    class Dev
+      class NodeSewingKitNotInstalled < StandardError
+        def initialize
+          super(
+            "sewing-kit is not installed.  " \
+            "Try `yarn add --dev @shopify/sewing-kit`"
+          )
+        end
       end
-    end
 
-    class Dev
       attr_accessor :pid
 
       def start
         @pid = spawn
         detach
@@ -20,10 +20,10 @@
 
       private
 
       def spawn
         sewing_kit_bin = 'node_modules/.bin/sewing-kit'
-        raise NodeSewingKitNotInstalled.new unless File.exist?(sewing_kit_bin)
+        raise NodeSewingKitNotInstalled unless File.exist?(sewing_kit_bin)
 
         Kernel.spawn(
           {
             'NODE_ENV' => 'development',
             'BLUEBIRD_DEBUG' => '0',