npm with node-sass and autoprefixer

Question

I use node-sass to compile all my Sass files to a master.css. This works well but now I want to add prefixes. I would like to use only the npm, no Gulp or Grunt.

Here my

Answer 1

Sass With Node Js (with Autoprefixer)

npm i -D autoprefixer clean-css-cli node-sass postcss-cli

{
  "name": "test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "autoprefixer": "^9.5.1",
    "browserslist": "^4.5.4",
    "clean-css-cli": "^4.3.0",
    "node-sass": "^4.11.0",
    "postcss": "^7.0.14",
    "postcss-cli": "^6.1.2"
  },
  "devDependencies": {},
  "scripts": {
    "clean": "rimraf scss",
    "compile": "node-sass --output-style=expanded --source-map=true css/scss/main.scss css/scss/main.css",
    "prefix": "postcss css/scss/main.css --use=autoprefixer --map=false --output=css/scss/main.css",
    "minify": "cleancss --level=1 --source-map --source-map-inline-sources --output css/scss/main.min.css css/scss/main.css",
    "dev": "npm run compile -- --watch",
    "build": "npm run clean && npm run compile && npm run prefix && npm run minify",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "browserslist": [
    "last 4 version"
  ],
  "author": "",
  "license": "ISC"
}

Terminal command to build: npm run build