wordpress npm package setup

{
  "name": "yuchung",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "purge": "postcss ./style.css -o ./style.css",
    "build:css": "node-sass sass/main.scss ./style.css",
    "build:js": "webpack",
    "watch:css": "onchange 'sass/**/*.scss' 'sass/*.scss' -- npm run build:css",
    "watch:js": "onchange 'development/*.js' -- npm run build:js",
    "serve": "browser-sync start --proxy 'localhost:8888/2019/yuzong/' --files './*.css, js/*.js, ./*.php'",
    "watch:all": "parallelshell 'npm run serve' 'npm run watch:css' 'npm run watch:js'"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "@babel/core": "^7.3.3",
    "@babel/preset-env": "^7.3.1",
    "@fullhuman/postcss-purgecss": "^1.2.0",
    "autoprefixer": "^9.5.1",
    "babel-loader": "^8.0.5",
    "browser-sync": "^2.26.3",
    "eslint": "^5.15.0",
    "eslint-config-prettier": "^4.1.0",
    "eslint-config-standard": "^12.0.0",
    "eslint-plugin-import": "^2.16.0",
    "eslint-plugin-node": "^8.0.1",
    "eslint-plugin-prettier": "^3.0.1",
    "eslint-plugin-promise": "^4.0.1",
    "eslint-plugin-standard": "^4.0.0",
    "node-sass": "^4.11.0",
    "onchange": "^5.2.0",
    "parallelshell": "^3.0.2",
    "postcss-cli": "^6.1.2",
    "prettier": "^1.16.4",
    "webpack": "^4.29.5",
    "webpack-cli": "^3.2.3",
    "webpack-dev-server": "^3.2.0"
  },
  "dependencies": {
    "jquery": "^3.3.1",
    "owl.carousel": "^2.3.4"
  }
}