Try to fix NPM permissions, to test!

providers/package.rb

@@ -1,7 +1,8 @@
 action :install do
   execute "install NPM package #{new_resource.name}" do
-    command "npm -g install #{new_resource.name}"
-    not_if "npm -g ls | grep '#{new_resource.name}'"
+    user node['current_user']
+    command "sudo -u #{node['current_user']} npm -g install #{new_resource.name}"
+    not_if "sudo -u #{node['current_user']} npm -g ls | grep '#{new_resource.name}'"
   end
   new_resource.updated_by_last_action(true)
 end
@@ -12,26 +13,29 @@
   pkg_id += "@#{new_resource.version}" if new_resource.version
   execute "install NPM package #{new_resource.name} into #{path}" do
     cwd path
-    command "npm install #{pkg_id}"
+    user node['current_user']
+    command "sudo -u #{node['current_user']} npm install #{pkg_id}"
     not_if "cd #{path} && npm ls | grep '#{pkg_id}'"
   end
   new_resource.updated_by_last_action(true)
 end
 
 action :install_from_json do
   path = new_resource.path
-  cmd  = "npm install"
+  cmd  = "sudo -u #{node['current_user']} npm install"
   execute "install NPM packages from package.json at #{path}" do
     cwd path
+    user node['current_user']
     command cmd
   end
   new_resource.updated_by_last_action(true)
 end
 
 action :uninstall do
   execute "uninstall NPM package #{new_resource.name}" do
-    command "npm -g uninstall #{new_resource.name}"
+    command "sudo -u #{node['current_user']} npm -g uninstall #{new_resource.name}"
     only_if "npm -g ls | grep '#{new_resource.name}'"
+    user node['current_user']
   end
   new_resource.updated_by_last_action(true)
 end
@@ -42,7 +46,8 @@
   pkg_id += "@#{new_resource.version}" if new_resource.version
   execute "uninstall NPM package #{new_resource.name} from #{path}" do
     cwd path
-    command "npm uninstall #{pkg_id}"
+    user node['current_user']
+    command "sudo -u #{node['current_user']} npm uninstall #{pkg_id}"
     only_if "cd #{path} && npm | grep '#{pkg_id}'"
   end
   new_resource.updated_by_last_action(true)