silence yarn output if checking is successfull

rails · Dec 19, 2017 · dd93406 · dd93406
1 parent 9a47275
commit dd93406
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/lib/webpacker/railtie.rb b/lib/webpacker/railtie.rb
@@ -25,9 +25,9 @@ class Webpacker::Engine < ::Rails::Engine
   #     - add `config.webpacker.check_yarn_integrity = false`
   initializer "webpacker.yarn_check" do |app|
     if File.exist?("yarn.lock") && app.config.webpacker.check_yarn_integrity
-      ok = system("yarn check --integrity")
+      output = `yarn check --integrity 2>&1`
 
-      if !ok
+      unless $?.success?
         warn "\n\n"
         warn "========================================"
         warn "  Your Yarn packages are out of date!"
@@ -37,6 +37,10 @@ class Webpacker::Engine < ::Rails::Engine
         warn "To disable this check, please add `config.webpacker.check_yarn_integrity = false`"
         warn "to your Rails development config file (config/environments/development.rb)."
         warn "\n\n"
+        warn "Yarn output while checking for integrity:"
+        warn "\n\n"
+        warn output
+        warn "\n\n"
 
         exit(1)
       end