pckage.json for coompile and lint scss files and minify css, lint and minify js, inject css with browserSync and watch files

package.json

{
  "name": "bookism",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "scripts": {
    "scss": "node-sass --output-style compressed --watch src/scss -o dist/css",
    "serve": "browser-sync start --proxy 0.0.0.0:9999 --files 'dist/css/*.css'",
    "clean": "rimraf dist/{css/*,js/*}",
    "lint": "eslint src/js || true",
    "lint-scss": "stylelint src/scss/*.scss --syntax scss || true",
    "uglify": "mkdirp dist/js -p && uglifyjs src/js/*.js -m -o dist/js/app.js && uglifyjs dist/js/*.js -m -c -o dist/js/app.min.js",
    "build:css": "run-s lint-scss scss",
    "build:js": "run-s lint uglify",
    "build": "run-s build:*",
    "watch:css": "onchange \"src/scss\" -- run-s build:css",
    "watch:js": "onchange \"src/js\" -- run-s build:js",
    "watch": "run-p serve watch:*",
    "postinstall": "run-s build watch"
  },
  "dependencies": {},
  "devDependencies": {
    "browser-sync": "^2.26.3",
    "eslint": "^5.13.0",
    "eslint-config-standard": "^12.0.0",
    "eslint-plugin-promise": "^4.0.1",
    "eslint-plugin-standard": "^4.0.0",
    "mkdirp": "^0.5.1",
    "node-sass": "^4.11.0",
    "npm-run-all": "^4.1.5",
    "onchange": "^5.2.0",
    "rimraf": "^2.6.3",
    "stylelint": "^9.10.1",
    "stylelint-config-standard": "^18.2.0",
    "uglify-js": "^3.4.9"
  }
}