"devDependencies": {
    "@babel/cli": "^7.14.3",
    "@babel/core": "^7.14.3",
    "@babel/preset-env": "^7.14.2",
    "@fortawesome/fontawesome-free": "^5.15.3",
    "parcel": "^1.12.4",
    "parcel-bundler": "^1.12.5"
  }
npm install babel-preset-es2015 –save-dev
    "start": "node-sass sass/style.scss css/style.css -w"
}
npm i -save-dev @fortawesome/fontawesome-free
npm i --save-dev @babel/core @babel/cli @babel/preset-env
npm i --save-dev parcel
    "install": "babel main.js --watch --out-dir js"
}
    "test": "parcel index.html",
    "build": "parcel build index.html"
}
Inside .babelrc code
"presets": ["@babel/preset-env"]    
}
ctrl+shift+p
