example.json

{
  "$id": "https://example.com/arrays.schema.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "veggies",
  "description": "A representation of a person, company, organization, or place",
  "type": "object",
  "properties": {
    "fruits": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "vegetables": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/veggie"
      }
    }
  },
  "$defs": {
    "veggie": {
      "type": "object",
      "required": [
        "veggieName",
        "veggieLike"
      ],
      "properties": {
        "veggieName": {
          "type": "string",
          "description": "The name of the vegetable."
        },
        "veggieLike": {
          "type": "boolean",
          "description": "Do I like this vegetable?"
        }
      }
    },
    "fruit": {
      "type": "object"
    },
    "fruit-or-veg": {
      "oneOf": [
        {
          "title": "veg",
          "anyOf": [
            {
              "$ref": "#/defs/veggie"
            }
          ]
        },
        {
          "title": "fruit",
          "anyOf": [
            {
              "$ref": "#/defs/fruit"
            }
          ]
        }
      ]
    }
  }
}