parcel

npm install -g parcel-bundler

npm install parcel-bundler --save-dev

yarn add parcel-bundler --dev

{
  "scripts": {
    "dev": "parcel <your entry file>",
    "build": "parcel build <your entry file>"
  }
}

{
  "scripts": {
    "dev": "parcel <your entry file>",
    "build": "parcel build <your entry file>"
  }
}