build after install

Author: kkartunov

package.json

@@ -10,7 +10,8 @@
     "format": "prettier --write \"./**\"",
     "test": "cross-env BABEL_ENV=test jest",
     "watch-tests": "cross-env BABEL_ENV=test jest --watch",
-    "coverage": "cross-env BABEL_ENV=test jest --coverage"
+    "coverage": "cross-env BABEL_ENV=test jest --coverage",
+    "postinstall": "npm run build"
   },
   "devDependencies": {
     "@babel/core": "^7.7.5",