[deploy] update

config/npm.rb

@@ -0,0 +1,22 @@
+set :npm_path, -> { release_path }
+
+namespace :npm do
+  task :prepare do
+    on roles(:all) do
+      npm_target_path = fetch(:npm_target_path)
+      npm_path = fetch(:npm_path)
+      execute "mkdir -p #{npm_target_path}"
+      execute "cp #{npm_path}/package.json #{npm_target_path}"
+    end
+  end
+  task :link do
+    on roles(:all) do
+      npm_target_path = fetch(:npm_target_path)
+      npm_path = fetch(:npm_path)
+      execute "ln -s #{npm_target_path}/node_modules #{npm_path}/"
+    end
+  end
+end
+
+before 'npm:install', 'npm:prepare'
+after 'npm:install', 'npm:link'