Essential npm scripts

package.json

"scripts": {
    "test": "npm run lint",
    "lint": "csslint --format=compact css/*.css",
    "clean": "rimraf css/",
    "build:sass2css": "npm run clean && node-sass sass/ -o css/",
    "build:prefix": "cd css/ && autoprefixer-cli -b 'last 2 versions' *.css",
    "build:minify": "cd css/ && cat normalize.css `ls -I normalize.css -I main.min.css` | cleancss -o main.min.css",
    "build:clean": "cd css/ && find . -type f ! -name '*.min.css' -delete",
    "build": "npm run build:sass2css && npm run build:prefix && npm run build:minify && npm run build:clean",
    "build:watch": "watch 'npm run build' sass/"
  },
  "devDependencies": {
      "node-sass": "latest",
      "csslint": "latest",
      "autoprefixer-cli": "latest",
      "autoprefixer ": "latest",
      "clean-css": "latest",
      "rimraf": "latest",
      "watch": "latest"
  }