Jekyll npm build script, copies sass, js dependencies to assets directory and concatenates and minifies js files.

package.json

{
  "name": "jekyll-theme-plus",
  "version": "1.0.0",
  "description": "Advanced Jekyll theme",
  "repository": {
    "type": "git",
    "url": "https://github.com/ivanchromjak/jekyll-theme-plus.git"
  },
  "author": "Ivan Chromjak",
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/ivanchromjak/jekyll-theme-plus/issues"
  },
  "homepage": "https://plus.jekyll.plus",
  "dependencies": {
    "simple-jekyll-search": "^1.5.0",
    "system-font-css": "^2.0.1",
    "uikit": "^3.0.0-beta.31"
  },
  "devDependencies": {
    "cpx": "^1.5.0",
    "jshint": "^2.9.5",
    "ncp": "latest",
    "onchange": "^3.3.0",
    "uglify-js": "^3.2.1"
  },
  "scripts": {
    "copy:sass": "ncp node_modules/uikit/src/scss/ _sass/vendor/uikit/ && ncp node_modules/system-font-css/ _sass/vendor/system-font-css/",
    "copy:js": "cpx \"node_modules/uikit/dist/js/uikit.js\" assets/js/vendor/ && cpx \"node_modules/uikit/dist/js/uikit-icons.js\" assets/js/vendor/ && cpx \"node_modules/simple-jekyll-search/dest/simple-jekyll-search.js\" assets/js/vendor/",
    "lint": "jshint assets/js/_main.js",
    "uglify": "uglifyjs assets/js/vendor/uikit.js assets/js/vendor/uikit-icons.js assets/js/vendor/simple-jekyll-search.js assets/js/_main.js -m -c -o assets/js/main.min.js",
    "build": "npm run lint && npm run uglify",
    "watch": "onchange \"assets/js/**/*.js\" -e \"assets/js/main.min.js\" -- npm run build",
    "postinstall": "npm run copy:sass && npm run copy:js && npm run build"
  }
}