update package.json

.gitignore

@@ -58,4 +58,4 @@ typings/
 .env
 
 build/
-package-lock.json
+_ignore/

.npmignore

@@ -0,0 +1,25 @@
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pids
+*.pid
+*.seed
+*.pid.lock
+lib-cov
+coverage
+.nyc_output
+.grunt
+bower_components
+.lock-wscript
+node_modules/
+jspm_packages/
+typings/
+.npm
+.eslintcache
+.node_repl_history
+*.tgz
+.yarn-integrity
+.env
+_ignore/

package.json

@@ -6,6 +6,7 @@
 	"scripts": {
 		"build": "./node_modules/.bin/rollup -c rollup.config.default.js",
 		"build-babel": "./node_modules/.bin/rollup -c rollup.config.babel.js",
+		"prepare": "rm -rf build && npm run build && npm run build-babel",
 		"test": "echo \"Error: no test specified\" && exit 1"
 	},
 	"repository": {