Example of usage of degit with a postinstall hook:

{
  "scripts": {
    "build": "eleventy",
    "postinstall": "degit tryGhost/Ghost/core/frontend/src/cards/css node_modules/ghost-cards"
  },
  "dependencies": {
    "@11ty/eleventy": "^1.0.0",
    "degit": "^2.8.4"
  }
}