package.json

{
  "name": "demo",
  "version": "1.0.0",
  "description": "this is demo json file",
  "main": "index.js",
  "scripts": {
    "preinstall": "npm install idea-exclude-dir && idea-exclude"
  },
  "config": {
    "idea": {
      "index": ["/log", "/node_modules", "/.idea"]
    }
  }
}