webpack-config.json

{
  "outputPath": "./public/assets",
  "publicPath": "/assets",
  "swDest": "../sw.js",

  "styles": {
    "frontend": {
      "src": [
        "./assets/sass/frontend.sass"
      ],
      "dest": "css/app"
    },
    "admin": {
      "src": [
        "./assets/sass/admin.sass"
      ],
      "dest": "css/admin"
    }
  },

  "scripts": {
    "frontend": {
      "src": [
        "./assets/js/frontend.js"
      ],
      "dest": "js/app"
    },
    "admin": {
      "src": [
        "./assets/js/admin.js"
      ],
      "dest": "js/admin"
    }
  },

  "copy": {
    "from": "./assets/images",
    "to": "images/[path][name].[hash:8].[ext]"
  }
}