conditional.json

{
  "switch": {
    "title": "switch",
    "type": "array",
    "items": [
      {
        "enum": ["switch"]
      },
      {
        "type": "object",
        "properties": {
          "compareTo": {
            "$ref": "definitions#/definitions/contextualizedFieldName"
          },
          "compareToValue": {
            "type": "string"
          },
          "fields": {
            "type": "object",
            "patternProperties": {
              "^[-a-zA-Z0-9 _:/]+$": {
                "$ref": "dataType"
              }
            },
            "additionalProperties": false
          },
          "default": {
            "$ref": "dataType"
          }
        },
        "oneOf": [
          {
            "required": ["compareTo", "fields"]
          },
          {
            "required": ["compareToValue", "fields"]
          }
        ],
        "additionalProperties": false
      }
    ],
    "additionalItems": false
  },
  "option": {
    "title": "option",
    "type": "array",
    "items": [
      {
        "enum": ["option"]
      },
      {
        "$ref": "dataType"
      }
    ],
    "additionalItems": false
  }
}