Update pre-publish command

package.json

@@ -56,7 +56,7 @@
     "build": "rm -rf dist && tsc",
     "dev": "tsc --noEmit --pretty --watch",
     "lint": "tslint ./src/**/*.ts",
-    "prepublish": "npm test && npm run build",
+    "prepublish": "yarn build && yarn lint && yarn test",
     "report-coverage": "codecov",
     "test": "jest"
   },