NPM ignore everything except compiled files

.npmignore

@@ -1,45 +1,6 @@
 # OSX
 .DS_Store
 
-# Node.js
-
-# ignore src files
-src
-
-# ignore tests
-built-tests
-test-resources
-
-# ignore screenshots
-screenshots
-
-# Logs
-logs
-*.log
-npm-debug.log*
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# IntelliJ project files
-.idea
-*.iml
-out
-gen
+/*
+!lib/
+!app/lib