Updated prepublish script

Author: okonet

package.json

@@ -5,7 +5,7 @@
     "main": "dist/index.js",
     "scripts": {
         "build": "babel src --out-dir dist",
-        "prepublish": "build",
+        "prepublish": "npm run build",
         "test": "mocha --compilers js:babel/register --recursive",
         "test:watch": "npm test -- --watch",
         "lint": "eslint ."