jekyll site: asset building using npm run-scripts

package.json

{
  "name": "jekyll-starter-kit",
  "version": "1.0.0",
  "description": "jekyll, asset build using npm scripts",
  "main": "src/scripts/main.js",
  "scripts": {
    "eslint:dist": "eslint src/scripts/*.js",
    "eslint": "npm run eslint:dist",
    "uglify:dist": "uglify -s src/scripts/*.js -o dist/scripts/main.min.js",
    "uglify:_site": "uglify -s src/scripts/*.js -o _site/dist/scripts/main.min.js",
    "uglify": "npm run uglify:dist",
    "test": "npm run build",
    "clean:dist": "rm -rf dist && rm -rf _site",
    "clean": "npm run clean:dist",
    "copy:dist": "cp -R src/ dist/",
    "copy": "npm run copy:dist",
    "prefix": "postcss --use autoprefixer -b 'last 3 versions' --output dist/styles/main.min.css dist/styles/main.min.css",
    "sass:dist": "node-sass --output-style compressed src/styles/main.scss dist/styles/main.min.css",
    "sass:_site": "node-sass --output-style compressed src/styles/main.scss _site/dist/styles/main.min.css",
    "sass": "npm run sass:dist",
    "critical": "critical _site/index.html --base _site --minify --css _site/dist/styles/main.min.css > _includes/css/critical.css",
    "font": "cp -R src/fonts dist/fonts",
    "imagemin": "imagemin src/images/* dist/images/ -p",
    "pagespeed": "psi tony-jones.github.io/jekyll-starter-kit/ --strategy=mobile",
    "accessibility": "a11y tony-jones.github.io/jekyll-starter-kit/",
    "build:jekyll": "jekyll build --config _config.yml,_config-dev.yml",
    "build:js": "npm run eslint && npm run uglify",
    "build:css": "npm run sass && npm run prefix",
    "build:font": "npm run font",
    "build:images": "npm run imagemin",
    "build": "npm run clean && npm run build:js && npm run build:css && npm run build:jekyll && npm run critical",
    "watch:jekyll": "chokidar 'index.html' '_includes/*.html' '_layouts/*.html' '_posts/*' -c 'npm run build:jekyll && browser-sync reload'",
    "watch:css": "chokidar 'src/styles/**/*' -c 'npm run sass:_site && browser-sync reload'",
    "watch:js": "chokidar 'src/scripts/*' -c 'npm run uglify:_site && browser-sync reload'",
    "serve": "browser-sync start --https --server _site",
    "start": "npm run build -s && parallelshell \"npm run serve -s\" \"npm run watch:jekyll -s\" \"npm run watch:css -s\" \"npm run watch:js -s\""
  },
  "author": "Tony Jones <[email protected]>, <@iamtonybagels>",
  "license": "Apache",
  "devDependencies": {
    "autoprefixer": "^6.3.1",
    "browser-sync": "^2.11.1",
    "eslint": "^1.10.3",
    "eslint-config-google": "^0.3.0",
    "image-min": "^0.3.2",
    "node-sass": "^3.4.2",
    "parallelshell": "^2.0.0",
    "postcss": "^5.0.14",
    "postcss-cli": "^2.5.0",
    "uglify": "^0.1.5",
    "watch": "^0.17.1"
  },
  "dependencies": {
    "a11y": "^0.4.0",
    "critical": "^0.7.0",
    "parallelshell": "^2.0.0",
    "psi": "^2.0.2",
    "chokidar": "1.4.2",
    "chokidar-cli": "1.2.0"
  }
}