MACOS problems with cpx. Fixed in the attachement.

[tdeleanu]

  "name": "eleventy-html5up-landed",
  "version": "0.0.1",
  "description": "A minimal 11ty starter, with an Html5 Up design integrated",
  "main": "index.js",
  "scripts": {
    "start": "yarn dev",
    "deploy": "yarn build && node deploy",
    "test": "echo \"Error: no test specified\" && exit 1",
    "clean": "rimraf dist",
    "eleventy:default": "npx eleventy",
    "eleventy:watch": "npx eleventy --watch",
    "styles:prod": "node-sass ./src/assets/sass/ --output ./dist/assets/css && postcss ./dist/assets/css/*.css --replace",
    "styles:dev": "node-sass ./src/assets/sass/ --output ./dist/assets/css --source-map true --source-map-contents true && postcss ./dist/assets/css/*.css --replace",
    "cp:img": "cpx \"src/images/*.*\" ./dist/images/",
    "cp:js": "cpx \"src/assets/js/*.*\" ./dist/assets/js/",
    "cp:fonts": "cpx \"src/assets/webfonts/*.*\"  ./dist/assets/webfonts/",
    "scripts:prod": "webpack --mode=production",
    "scripts:dev": "webpack --mode=development",
    "serve": "light-server -c .lightserverrc",
    "dev": "npm-run-all clean cp:js cp:fonts cp:img styles:dev scripts:dev eleventy:default --parallel eleventy:watch serve --print-label",
    "dev:debug": "DEBUG=* npm run dev",
    "build": "run-s clean cp:js cp:fonts cp:img styles:prod scripts:prod eleventy:default --print-label"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/app-generator/eleventy-html5up-landed.git"
  },
  "author": "",
  "license": "CCA 3.0",
  "bugs": {
    "url": "https://github.com/app-generator/eleventy-html5up-landed/issues"
  },
  "homepage": "https://eleventy-html5up-landed.appseed.us",
  "devDependencies": {
    "@11ty/eleventy": "^0.9.0",
    "@babel/core": "^7.5.5",
    "@babel/preset-env": "^7.5.5",
    "autoprefixer": "^9.6.1",
    "babel-loader": "^8.0.6",
    "cssnano": "^4.1.10",
    "cssnano-preset-advanced": "^4.0.7",
    "light-server": "^2.6.3",
    "npm-run-all": "^4.1.5",
    "postcss-cli": "^6.1.3",
    "webpack": "^4.39.3",
    "webpack-cli": "^3.3.7"
  },
  "dependencies": {
    "acorn": "^6.1.1",
    "cpx": "^1.5.0",
    "ftp-deploy": "^2.3.3",
    "ncp": "^2.0.0",
    "node-sass": "^4.12.0"
  }
}

[app-generator]

Thanks @tdeleanu.