prefer-alphabetical-optionalDependencies

Enabling this rule will result in an error being generated if the dependencies in optionalDependencies are not in alphabetical order.

Example .npmpackagejsonlintrc configuration

{
  "rules": {
    "prefer-alphabetical-optionalDependencies": "error"
  }
}

{
  "optionalDependencies": {
    "semver": "^5.3.0",
    "chalk": "^1.1.3",
    "user-home": "^2.0.0"
  }
}

{
  "optionalDependencies": {
    "chalk": "^1.1.3",
    "semver": "^5.3.0",
    "user-home": "^2.0.0"
  }
}